I find the FPSE very promising - supposedly one was already proven to have run several years without any maintenance at all. If there was any engine design to switch to, this is the one with the most promise. The idea of one service cycle for a decade is incredible!
I believe it is a great idea. The external heat source required by the Stirling enables the use of a completely sealed container for the working fluid, which means high-pressure gas can be used, which means better efficiency and power density. Watching your video gave me an idea about how to solve the vibration problem with minimal losses.
Happy to see from you again with. As usual a very good content. What about controlling the displacer with linear motor or voice coil? At resonance we just need to compensate the losses. Having two sets of spring to hold a moving mass will provide opportunity to control the resonance frequency. Stretching the spring apart can help in controlling the resonance. ( It is like attaching springs to a from both the sides. And tightening them by stretching as in string instrument. ). Electronically controlled linear actuator can be used to control the tension.. Electronically controlling the resonance of piston, displacer and displacer moment will give lot of flexibility in tuning 😊
So how about an opposed dual piston FPSE, where the driven pistons are connected and the displacers are connected. There will include an external regenerator that connects both sides of the FPSE, therefore it cuts out the need for springs or diaphragms. If you are looking at springs why not use repulsive magnets i think they would act as a very powerful spring in the right magnetic orientations. I think the opposed system could work better and it can be coaxial, so you have the displacer with its own connection rod to one another and the driven piston connected by its own connection rod. Although the problem i see here, is the massive vibration from the system and whether the linear electric generator can compete with rotational generators, so probable a scotch yoke or external crank could work. Lastly another problem still maybe lots of ware. Love watching this channel!
Have you considered Allan Organ's half-rhombic design where he uses half of the rhombic drive, and two linkage arms to make a simpler Stirling engine? This doesn't solve the problem of seals, but it seems to simplify the kinematics. He describes the details in his latest book.
Have you had a look on barumman's thermomechanical sterling? He is showing some decent details in construction and building this kind of machine. He achived arrond 5W output. So the amount of effort isn't in a good proportion to the expectible output. This machine is based on old plans from very reliable power sources for light buoies before pv became the standard... Keep on, please!
Thanks for your nice comment! And yes I am in contact with barumman and used some pictures of his engines as you can see in my video of the Thermo Mechanical Generator a few weeks ago!
Now that you mention it, I'm surprised I haven't read anything about it. I'll think about it and find out, maybe there's a reason. Thanks for your nice comment and the good food for thought
free pistons can potentially provide a much greater surface area and compression. It can also run at way higher pressures, altering the PV graph thus increasing the efficiency.
Yes the Free Piston concept is nice but a high tech engine as you describe is very complicated and really would take a long time to develop. Maybe I try a low tech version first and the see...
Nice video! I don't have enough knowledge about the free piston Stirling engine to form an opinion worth sharing. But I can write a comment to help feed the algorithms anyway, and I am curious if a linear generator can be designed so that magnetic forces help keep the moving part centered, without too much difficulty or functional drawbacks.
I agree that the production on a budget is challenging. However it might be possible to find a type of cryo cooler that can be reversed to generate heat and repurpose it. I am not sure if you have to put heat into the cold finger or the cooling waist but running it backwards would be a great idea. Smaller units have sold on eBay for hundreds of dollars but prices have gone up over the years so they may no longer be bargains. Finding a Eastern vendor who would be prepared to modify an existing design to make a hobby grade product for a price would be ideal. Even if it is just 100W from a single unit one could poke half a dozen into a fire box. Extracting power from one will not be very difficult as it will provide AC that can be rectified and then used to charge a battery bank as fast as it is able.
These analysis videos are great. Are you more doing this for the fun of building your own engine or just trying to solve the problem of producing power? I have one of the FPSEs shown at 0:44 (and 2:00) that I could sell if you are interested. Rated for 1kWe max, although shipping might be an issue as it's ~50kg.
Both, building engines is my hobby for years and since the electricity bill raised so much its very interesting to support our solar plant with a generator in winter. We have wood and biogas which fits perfectly to a small Stirling.(look at my older videos) Your Microgen is very nice, but shipping would be overkill. Thanks and best wishes
Very good description, it is very difficult to "build by yourself" a free piston stirling, that could be' practical for generate a decent ammount of power. (I like to be' involved/informed for a potential indipendent small projet)
Yes, I also think that and at the moment I prefer a low tech rubber diaphragm FPSE. But I am not sure if it can produce reasonable amounts of energy. Thanks!
221 in general, the operating speed of a prime mover is Determined by How it's Loaded. in other words, the (desired) under-load speed of the prime mover is determined by its output, the load, and by the power take-off mechanism. in the case of a prime mover whose output is low torque, the use of HIGH ratio reduction is called for. preferably in a Single stage. doing this has the affect of partially isolating the prime mover from the load. i have previously explained why the rhombic LINKAGE is a non-starter.
Hi, your series lloks interesting. I'm truying to assess what would be needed to get a 100w generator in order to power the house on nights. I definitely would like to see a free piston generator performance around 100 w output. Hope you're going for it. Rgds
Hmmn! I think the free piston concept has a good future. But they require complex analysis and design, and must be manufactured to very precise tolerances. Only you can know if you are capable of working to that level of precision.
This is the only one of the alternatives you have looked at capable of producing the amount of power you are looking for. And there are commercially available products to look at and copy. So.... they are the only alternative where you don't have to do complicated and hard development work to get to the end result. Just copy the design from Microgen, there are drawings out there of it. So it's a simple case of reverse engineering. This could be a community effort, and I'm interested in cooperating, I'm able to contribute with the CAD-modelling. I also have a workshop capable of building one, I only need more spare time to be able to realize something like this. A community build would certainly spark my interest, and possibly be what makes me take the step and try to build it myself. That is with the above mentioned design for me though. For me it's this exact method or nothing. I'm not considering other designs as there are no proven designs available to copy. And also, this is the only one which have a decent chance of producing the power level I'm after (which I expect to be the case for you too). Also, I still don't understand why you are so reluctant to this class of stirling engines. You seem to have made up you mind that this particular design is to complicated before going in to this, looking for excuses to back up this conclusion. The other design you have shown look to me to be a lot more complicated to even start to move. With this specific class of design you have several publicly available designs that are known to work, requiring no development work from your side. Sunpower, NASA and many others have published loads of data and design details on this class of Stirling engine. So this should be a case of finding the information needed and executing it. None of the other design classes have this going for them. The problem you mentioned with excessive leaking around the displacer due to lower accuracy of machining will in this design only play a minor role compared to the other classes. This is because this is the only one with no side forces acting on the pistons. BTW, achieving very accurate internal and external cylindrical surfaces are shown in great detail by Robin Renzetti (Robrenz), look at his video "MAKING AND USING LARGE DIAMETER LAPS", With this method you will be able to achieve the required precision with no problems! So.... this is NOT a premise for dismissing this class of stirling engines! Although you seem to make it one of the major reasons for not going this route.
I didn't want to badmouth the free piston engine with the video, but I think there are just too many imponderables for hobby building. The Rhombic drive also has no piston side forces and I have massive problems with piston wear. It would be no different with the free piston Stirling. The difficulties lie in the details, such as the piston centering problem and the design of the spring and damping forces, which are also not explained in detail in the machines built. Your arguments make me think seriously about the free piston engine again, that's the point of the videos. Thank you very much, hopefully we'll keep talking!
@@myengines2443 Wouldn't it be a good idea to use diaphragm for the piston which needs to seal? I think that someone above mentioned it. And there is one great stirling engine pioneer on youtube. His name is Shane Pomeroy a nd he used to have similar problems with pistons and leakeges like you. So he is developing diaphragm stirling engine and he had great results even when he is using diaphragms on the hot side of the engine. Free piston engine does not have piston on the hot side so that should not be a problem. My english is not perfect but I hope that you got the point. Thank you for your development effort.
@myengines2443 I hope you consider my thoughts seriously, and understand I have spent years thinking and pondering about this very thing! About the side forces and wear on the piston. You CAN NOT compare the Rhombic drive with a FPST in this regard! Only the FPST have the possibility to use active hydrostatic bearings to prevent the piston from ever touching the wall. This is a truly tested and verified design in real life. And the Microgen design I keep coming back to use it. So.... you can be expecting to solve this problem 100% by going for this design. The rombic design still require piston rings, this is also confirmed by all available designs out there. And since you have already proven you are not able to make this work you should have your confirmation the FPSE is more suitable for your needs. NASA have also come to this conclusion. About the springs, there are detailed papers in the free domain explaining this very well. Reading them made me think this is solvable for a DIY'er like we are. I have previously tried to post links to these papers here, but they are blocked. Contact me and I can send them to you. I'm sure you will see this is doable when you see the papers. Also, there is a paper describing the building of a very simplified and very much easier to build version of the NASA design. This proves it's possible to simplify things in order for us to build something like this and still make it work. Again, contact me and I can send you the article so you can see for yourself. And also, the Micro gen design have simplified both heat exchangers to a point where they are possible to be mass-produced. A.k.a. possible to be built in large numbers, without needing crazy tolerances not possible for a DIY'er. No welding of small tubes, and no machining techniques that you haven't already managed. So, I suggest going forward to make a detailed list of possible problems. Then we can discuss in detail which problems are possible showstoppers. If then at the end we find any that are clear cases of issues with no possible solutions that we can solve then you should start looking for other design classes. But my years of thinking about this design on and off indicate there are no unsolvable issues with this design.
@@spamspammesen5970 you find my email adress on my youtube channel page in the description. It would be very nice if you send me some links or the papers directly! The vibration theory involved with the several masses with springs and damping forces is very complex that I am a bit afraid of. May be a low tech free piston engine with a rubber diaphragm is a possible way? Many thanks for your help!
@@myengines2443 🔴 Human Rights and Justice in Islam 🔵 Islam provides many human rights for the individual. The following are some of these human rights that Islam protects. 🔴 The life and property of all citizens in an Islamic state are considered sacred, whether a person is Muslim or not. Islam also protects honor. So, in Islam, insulting others or making fun of them is not allowed. 🔵 The Prophet Muhammad said: {Truly your blood, your property, and your honor are inviolable.} 🔴 Racism is not allowed in Islam, for the Quran speaks of human equality in the following terms: { O mankind, We have created you from a male and a female and have made you into nations and tribes for you to know one another. Truly, the noblest of you with God is the most pious.2 Truly, God is All-Knowing, All-Aware.} (Quran, 49:13) 🔵 Islam rejects certain individuals or nations being favored because of their wealth, power, or race. God created human beings as equals who are to be distinguished from each other only on the basis of their faith and piety. 🔴 The Prophet Muhammad said: {O people! Your God is one and your forefather (Adam) is one. An Arab is not better than a non-Arab and a non-Arab is not better than an Arab, and a red (i.e. white tinged with red) person is not better than a black person and a black person is not better than a red person, except in piety.} 🔵 One of the major problems facing mankind today is racism. The developed world can send a man to the moon but cannot stop man from hating and fighting his fellow man. Ever since the days of the Prophet Muhammad , Islam has provided a vivid example of how racism can be ended. The annual pilgrimage (Hajj) to Makkah shows the real Islamic brotherhood of all races and nations, when about two million Muslims from all over the world come to Makkah to perform the pilgrimage. 🔴 Islam is a religion of justice. God has said: { Truly God commands you to give back trusts to those to whom they are due, and when you judge between people, to judge with justice....} (Quran, 4:58) 🔵 And He has said: { ...And act justly. Truly, God loves those who are just.} (Quran, 49:9) 🔴 We should even be just with those who we hate, as God has said: { ...And let not the hatred of others make you avoid justice. Be just: that is nearer to piety....} (Quran, 5:8) 🔵 The Prophet Muhammad said: {People, beware of injustice, for injustice shall be darkness on the Day of Judgment.} 🔴 And those who have not gotten their rights (i.e. what they have a just claim to) in this life will receive them on the Day of Judgment, as the Prophet said: {On the Day of Judgment, rights will be given to those to whom they are due (and wrongs will be redressed)...}
NASA KiloPower FPSE for Artemis Moon Missions use such technology to turn nuclear fission heat into electrical current power to energize the moon base.
Best solution will be to find second hand Baxi Ecogen 24/1.0 this combine gas boiler and generator unit inside you find Linear Free Piston Stirling Engine Generator 1KVA 230V 50Hz 0,95 pwF made by Microgen in UK sometimes second hand appears sometimes for 700GBP new cost in 2011 7000GBP today new units cost 11950
Resgatem esses excelentes motores Stirling, usando queimadores à óleo suado, que está virando febre no mundo todo, pra uso em cozinhas, tanto doméstica quanto industrial. São fogões com excelente custo benefício, já que são simples de confeccionar e o combustível, que é o óleo lubrificante usado, que é abundante no nosso planeta. Consiste apenas numa câmera de combustão, uma queimador e um soprador, controlado por uma pwm. Só assim, o Stirling será muito promissor.
/Hello again. I haven't been to your channel for the last couple of months, but I've caught up on your videos. It seems like you've been very busy. Both the Thermoaccoustic engine and Free piston motor are very appealing to me in that that they are sealed systems with minimal moving parts. The down side it seems to me is that they are both computationally complex. It seems be away of potentially reducing the computational complexity by replacing the spring on the displacer with that of the linear motor driven by a micro-controler with position feedback on the the power piston. I sort of took inspiration with this LTD Stirling with a magnetic displacer. th-cam.com/video/jKhKs2LeY58/w-d-xo.html From what I understand Professor Beale had his aha moment on the the Free piston moment in the middle of a lecture on Rhombic drives. It seems to be that the power required to move the displacer back and forth would be far less than the power generated by the piston. It seems either a linear drive or a spring-solenoid on the displacer with a microcontroller could simply things. Position of the piston need to be fed into the micro-controller which would need to drive the displacer. This can't be an original thought... Has anyone tried this? I ran across this interesting paper "Direct Piston Displacement Control of Free-Piston Stirling Engines" core.ac.uk/download/pdf/37420245.pdf This isn't exactly what I was thinking about.
I find the FPSE very promising - supposedly one was already proven to have run several years without any maintenance at all. If there was any engine design to switch to, this is the one with the most promise. The idea of one service cycle for a decade is incredible!
Unfortunately I think the classic Free Piston Engine is to complex for me.
Maybe a low tech variant with a diaphragm piston may be possible?
I believe it is a great idea. The external heat source required by the Stirling enables the use of a completely sealed container for the working fluid, which means high-pressure gas can be used, which means better efficiency and power density. Watching your video gave me an idea about how to solve the vibration problem with minimal losses.
Nice, thanks for your feedback!
Happy to see from you again with. As usual a very good content.
What about controlling the displacer with linear motor or voice coil? At resonance we just need to compensate the losses.
Having two sets of spring to hold a moving mass will provide opportunity to control the resonance frequency. Stretching the spring apart can help in controlling the resonance. ( It is like attaching springs to a from both the sides. And tightening them by stretching as in string instrument. ). Electronically controlled linear actuator can be used to control the tension..
Electronically controlling the resonance of piston, displacer and displacer moment will give lot of flexibility in tuning 😊
Sounds nice but also very complicated, I have to think about it!
Many thanks for your great help!
So how about an opposed dual piston FPSE, where the driven pistons are connected and the displacers are connected. There will include an external regenerator that connects both sides of the FPSE, therefore it cuts out the need for springs or diaphragms. If you are looking at springs why not use repulsive magnets i think they would act as a very powerful spring in the right magnetic orientations.
I think the opposed system could work better and it can be coaxial, so you have the displacer with its own connection rod to one another and the driven piston connected by its own connection rod.
Although the problem i see here, is the massive vibration from the system and whether the linear electric generator can compete with rotational generators, so probable a scotch yoke or external crank could work. Lastly another problem still maybe lots of ware.
Love watching this channel!
Thanks for your nice help!
This sounds interesting and I think I saw something you describe in one of my books!
I will look for it and report!
A very good level of analysis
Thanks!
Have you considered Allan Organ's half-rhombic design where he uses half of the rhombic drive, and two linkage arms to make a simpler Stirling engine? This doesn't solve the problem of seals, but it seems to simplify the kinematics. He describes the details in his latest book.
Yes, I talked with him about it and also built a half Rhombic engine.
If you look for older videos of me you will see it!
Thanks for your suggestions!
What about magnetic springs? rather then gas or mechanical ones.
Yes they are very well suited for the application.
Thanks
Have you had a look on barumman's thermomechanical sterling? He is showing some decent details in construction and building this kind of machine. He achived arrond 5W output. So the amount of effort isn't in a good proportion to the expectible output. This machine is based on old plans from very reliable power sources for light buoies before pv became the standard... Keep on, please!
Thanks for your nice comment!
And yes I am in contact with barumman and used some pictures of his engines as you can see in my video of the Thermo Mechanical Generator a few weeks ago!
Thanks for your analysis. Magnetic springs would be interesting.
Now that you mention it, I'm surprised I haven't read anything about it.
I'll think about it and find out, maybe there's a reason.
Thanks for your nice comment and the good food for thought
free pistons can potentially provide a much greater surface area and compression. It can also run at way higher pressures, altering the PV graph thus increasing the efficiency.
Yes the Free Piston concept is nice but a high tech engine as you describe is very complicated and really would take a long time to develop.
Maybe I try a low tech version first and the see...
Nice video! I don't have enough knowledge about the free piston Stirling engine to form an opinion worth sharing. But I can write a comment to help feed the algorithms anyway, and I am curious if a linear generator can be designed so that magnetic forces help keep the moving part centered, without too much difficulty or functional drawbacks.
Yes, to use the linear alternator also for guiding and damping the piston is a good possibility.
Thanks!
I agree that the production on a budget is challenging. However it might be possible to find a type of cryo cooler that can be reversed to generate heat and repurpose it. I am not sure if you have to put heat into the cold finger or the cooling waist but running it backwards would be a great idea. Smaller units have sold on eBay for hundreds of dollars but prices have gone up over the years so they may no longer be bargains. Finding a Eastern vendor who would be prepared to modify an existing design to make a hobby grade product for a price would be ideal. Even if it is just 100W from a single unit one could poke half a dozen into a fire box.
Extracting power from one will not be very difficult as it will provide AC that can be rectified and then used to charge a battery bank as fast as it is able.
These analysis videos are great.
Are you more doing this for the fun of building your own engine or just trying to solve the problem of producing power? I have one of the FPSEs shown at 0:44 (and 2:00) that I could sell if you are interested. Rated for 1kWe max, although shipping might be an issue as it's ~50kg.
Both, building engines is my hobby for years and since the electricity bill raised so much its very interesting to support our solar plant with a generator in winter.
We have wood and biogas which fits perfectly to a small Stirling.(look at my older videos)
Your Microgen is very nice, but shipping would be overkill.
Thanks and best wishes
There is a flat spring cut into spirals that actually creates a seal when in its neutral state.
Very good description, it is very difficult to "build by yourself" a free piston stirling, that could be' practical for generate a decent ammount of power. (I like to be' involved/informed for a potential indipendent small projet)
Yes, I also think that and at the moment I prefer a low tech rubber diaphragm FPSE.
But I am not sure if it can produce reasonable amounts of energy.
Thanks!
@@myengines2443 let us know the "evolution" the calculation is very articolated 🤞
221 in general, the operating speed of a prime mover is Determined by How it's Loaded. in other words, the (desired) under-load speed of the prime mover is determined by its output, the load, and by the power take-off mechanism. in the case of a prime mover whose output is low torque, the use of HIGH ratio reduction is called for. preferably in a Single stage. doing this has the affect of partially isolating the prime mover from the load.
i have previously explained why the rhombic LINKAGE is a non-starter.
Hi, your series lloks interesting. I'm truying to assess what would be needed to get a 100w generator in order to power the house on nights. I definitely would like to see a free piston generator performance around 100 w output. Hope you're going for it. Rgds
Thanks for your kind comment!
Hmmn! I think the free piston concept has a good future. But they require complex analysis and design, and must be manufactured to very precise tolerances. Only you can know if you are capable of working to that level of precision.
Unfortunately I don't think so but the idea of a low tech free piston engine with a diaphragm may be a possibility?
@@myengines2443 That sounds like a viable option.
I like idea to use linear generator as starting force for FPE. Just apply the voltage and piston will compress gas.
Yes, the nearly self-starting possibility of the free piston Stirling is amazing!
great stuff man
Thanks!
This is the only one of the alternatives you have looked at capable of producing the amount of power you are looking for. And there are commercially available products to look at and copy. So.... they are the only alternative where you don't have to do complicated and hard development work to get to the end result. Just copy the design from Microgen, there are drawings out there of it. So it's a simple case of reverse engineering. This could be a community effort, and I'm interested in cooperating, I'm able to contribute with the CAD-modelling. I also have a workshop capable of building one, I only need more spare time to be able to realize something like this. A community build would certainly spark my interest, and possibly be what makes me take the step and try to build it myself.
That is with the above mentioned design for me though. For me it's this exact method or nothing. I'm not considering other designs as there are no proven designs available to copy.
And also, this is the only one which have a decent chance of producing the power level I'm after (which I expect to be the case for you too).
Also, I still don't understand why you are so reluctant to this class of stirling engines. You seem to have made up you mind that this particular design is to complicated before going in to this, looking for excuses to back up this conclusion. The other design you have shown look to me to be a lot more complicated to even start to move. With this specific class of design you have several publicly available designs that are known to work, requiring no development work from your side. Sunpower, NASA and many others have published loads of data and design details on this class of Stirling engine. So this should be a case of finding the information needed and executing it. None of the other design classes have this going for them.
The problem you mentioned with excessive leaking around the displacer due to lower accuracy of machining will in this design only play a minor role compared to the other classes. This is because this is the only one with no side forces acting on the pistons.
BTW, achieving very accurate internal and external cylindrical surfaces are shown in great detail by Robin Renzetti (Robrenz), look at his video "MAKING AND USING LARGE DIAMETER LAPS", With this method you will be able to achieve the required precision with no problems! So.... this is NOT a premise for dismissing this class of stirling engines! Although you seem to make it one of the major reasons for not going this route.
I didn't want to badmouth the free piston engine with the video, but I think there are just too many imponderables for hobby building.
The Rhombic drive also has no piston side forces and I have massive problems with piston wear.
It would be no different with the free piston Stirling.
The difficulties lie in the details, such as the piston centering problem and the design of the spring and damping forces, which are also not explained in detail in the machines built.
Your arguments make me think seriously about the free piston engine again, that's the point of the videos.
Thank you very much, hopefully we'll keep talking!
@@myengines2443 Wouldn't it be a good idea to use diaphragm for the piston which needs to seal? I think that someone above mentioned it. And there is one great stirling engine pioneer on youtube. His name is Shane Pomeroy a nd he used to have similar problems with pistons and leakeges like you. So he is developing diaphragm stirling engine and he had great results even when he is using diaphragms on the hot side of the engine. Free piston engine does not have piston on the hot side so that should not be a problem. My english is not perfect but I hope that you got the point. Thank you for your development effort.
@myengines2443 I hope you consider my thoughts seriously, and understand I have spent years thinking and pondering about this very thing!
About the side forces and wear on the piston. You CAN NOT compare the Rhombic drive with a FPST in this regard! Only the FPST have the possibility to use active hydrostatic bearings to prevent the piston from ever touching the wall. This is a truly tested and verified design in real life. And the Microgen design I keep coming back to use it. So.... you can be expecting to solve this problem 100% by going for this design.
The rombic design still require piston rings, this is also confirmed by all available designs out there. And since you have already proven you are not able to make this work you should have your confirmation the FPSE is more suitable for your needs.
NASA have also come to this conclusion.
About the springs, there are detailed papers in the free domain explaining this very well. Reading them made me think this is solvable for a DIY'er like we are.
I have previously tried to post links to these papers here, but they are blocked. Contact me and I can send them to you. I'm sure you will see this is doable when you see the papers.
Also, there is a paper describing the building of a very simplified and very much easier to build version of the NASA design. This proves it's possible to simplify things in order for us to build something like this and still make it work. Again, contact me and I can send you the article so you can see for yourself.
And also, the Micro gen design have simplified both heat exchangers to a point where they are possible to be mass-produced. A.k.a. possible to be built in large numbers, without needing crazy tolerances not possible for a DIY'er. No welding of small tubes, and no machining techniques that you haven't already managed.
So, I suggest going forward to make a detailed list of possible problems. Then we can discuss in detail which problems are possible showstoppers. If then at the end we find any that are clear cases of issues with no possible solutions that we can solve then you should start looking for other design classes. But my years of thinking about this design on and off indicate there are no unsolvable issues with this design.
@@spamspammesen5970 you find my email adress on my youtube channel page in the description.
It would be very nice if you send me some links or the papers directly!
The vibration theory involved with the several masses with springs and damping forces is very complex that I am a bit afraid of.
May be a low tech free piston engine with a rubber diaphragm is a possible way?
Many thanks for your help!
How would you generate electric power from a free piston Stirling engine?
With a linear generator for example.
A magnet moving in and out of an electrical coil generates alternating current.
@@myengines2443 🔴 Human Rights and Justice in Islam
🔵 Islam provides many human rights for the individual. The following are some of these human rights that Islam protects.
🔴 The life and property of all citizens in an Islamic state are considered sacred, whether a person is Muslim or not. Islam also protects honor. So, in Islam, insulting others or making fun of them is not allowed.
🔵 The Prophet Muhammad said: {Truly your blood, your property, and your honor are inviolable.}
🔴 Racism is not allowed in Islam, for the Quran speaks of human equality in the following terms:
{ O mankind, We have created you from a male and a female and have made you into nations and tribes for you to know one another. Truly, the noblest of you with God is the most pious.2 Truly, God is All-Knowing, All-Aware.} (Quran, 49:13)
🔵 Islam rejects certain individuals or nations being favored because of their wealth, power, or race. God created human beings as equals who are to be distinguished from each other only on the basis of their faith and piety.
🔴 The Prophet Muhammad said: {O people! Your God is one and your forefather (Adam) is one. An Arab is not better than a non-Arab and a non-Arab is not better than an Arab, and a red (i.e. white tinged with red) person is not better than a black person and a black person is not better than a red person, except in piety.}
🔵 One of the major problems facing mankind today is racism. The developed world can send a man to the moon but cannot stop man from hating and fighting his fellow man. Ever since the days of the Prophet Muhammad , Islam has provided a vivid example of how racism can be ended. The annual pilgrimage (Hajj) to Makkah shows the real Islamic brotherhood of all races and nations, when about two million Muslims from all over the world come to Makkah to perform the pilgrimage.
🔴 Islam is a religion of justice. God has said:
{ Truly God commands you to give back trusts to those to whom they are due, and when you judge between people, to judge with justice....} (Quran, 4:58)
🔵 And He has said:
{ ...And act justly. Truly, God loves those who are just.} (Quran, 49:9)
🔴 We should even be just with those who we hate, as God has said:
{ ...And let not the hatred of others make you avoid justice. Be just: that is nearer to piety....} (Quran, 5:8)
🔵 The Prophet Muhammad said: {People, beware of injustice, for injustice shall be darkness on the Day of Judgment.}
🔴 And those who have not gotten their rights (i.e. what they have a just claim to) in this life will receive them on the Day of Judgment, as the Prophet said: {On the Day of Judgment, rights will be given to those to whom they are due (and wrongs will be redressed)...}
NASA KiloPower FPSE for Artemis Moon Missions use such technology to turn nuclear fission heat into electrical current power to energize the moon base.
Yes its nice but very high tech where money does not matter
Best solution will be to find second hand Baxi Ecogen 24/1.0 this combine gas boiler and generator unit inside you find Linear Free Piston Stirling Engine Generator 1KVA 230V 50Hz 0,95 pwF made by Microgen in UK sometimes second hand appears sometimes for 700GBP new cost in 2011 7000GBP today new units cost 11950
where can I buy one second hand?
Resgatem esses excelentes motores Stirling, usando queimadores à óleo suado, que está virando febre no mundo todo, pra uso em cozinhas, tanto doméstica quanto industrial.
São fogões com excelente custo benefício, já que são simples de confeccionar e o combustível, que é o óleo lubrificante usado, que é abundante no nosso planeta.
Consiste apenas numa câmera de combustão, uma queimador e um soprador, controlado por uma pwm.
Só assim, o Stirling será muito promissor.
In this case i go and buy a box of beer (better 2 or more) and organize a brainstorming session with my colleges. 😂❤
Unfortunately, my friends don't have the slightest idea about energy-generating engines!
/Hello again.
I haven't been to your channel for the last couple of months, but I've caught up on your videos.
It seems like you've been very busy.
Both the Thermoaccoustic engine and Free piston motor are very appealing to me in that that they are sealed systems with minimal moving parts.
The down side it seems to me is that they are both computationally complex. It seems be away of potentially reducing the computational complexity by
replacing the spring on the displacer with that of the linear motor driven by a micro-controler with position feedback on the the power piston.
I sort of took inspiration with this LTD Stirling with a magnetic displacer.
th-cam.com/video/jKhKs2LeY58/w-d-xo.html
From what I understand Professor Beale had his aha moment on the the Free piston moment in the middle of a lecture on Rhombic drives. It seems to be that the power required to move the displacer back and forth would be far less than the power generated by the piston. It seems either a linear drive or a spring-solenoid on the displacer with a microcontroller could simply things. Position of the piston need to be fed into the micro-controller which would need to drive the displacer.
This can't be an original thought... Has anyone tried this?
I ran across this interesting paper "Direct Piston Displacement Control of
Free-Piston Stirling Engines"
core.ac.uk/download/pdf/37420245.pdf
This isn't exactly what I was thinking about.
As I said use an high-pressure Alpha piston engine, dude!
I am not sure about the endurance properties of such an engine!
Free piston is perfect for linear generator, using it to drive shaft is waste.
🎉🎉🎉
Thanks!
Why dont you just buy a solar panel
I have 12 solar panels but when the sun is not shining especially in winter not much energy is produced by the sun!
und wenn du's tatsächlich schaffst, dann hüpft dir das ding vom tisch.
einzige lösung boxer-anordnung...
nur eins der weiteren probleme.
Auch das ist noch ein Nachteil!
Danke für deine Gedanken!
Travelling wave engine has no moving parts
Yes, I also think about it a lot.
Please watch my video a few weeks ago for many details about it and write your opinion plz!