This Tube Makes Water Flow By Itself
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- เผยแพร่เมื่อ 20 ก.ค. 2024
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0:00 Self-Starting Siphon
1:32 Self-Starting Siphon With Clear Tube
2:13 Hydraulic Ram Pump
3:05 Shaker Siphon
3:50 K1 and K1 Max 3D Printer
4:11 K1 Max Real-time print speed
5:11 Creality K1 Discount Code
Hydraulic Ramp Pump video: • Can a Hydraulic Ram Pu...
Print the self-starting siphon with this STL file: www.thingiverse.com/thing:224...
Print the Shaker siphon with this STL file: www.thingiverse.com/thing:489... - วิทยาศาสตร์และเทคโนโลยี
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For those confused: the necessary energy to cause the water to move with the momentum is caused by putting the straw into the water. The energy is not from nowhere.
Fuck, somebody figure Out how to harvest energy with this lol
Good that you explained. Or else people would start saying free energy and perpetual motion 😂
Wait people don't know this? 😅
@@camronrubin8599you cant lol, you have to give it energy
@@KekusMagnus there must be a way !!😭
Fun fact : It also works at higher scale.
For a school science project, we tried to prove that this could be used as an industrial or farm product, so we scaled up the concept to about a meter (3 feet) height.
And surely it work pretty good on a barrel full of water !
That’s awesome I was just wondering if that would work
The video is on my channel (shorts version).
TH-cam keeps deleting my comment if I link the video...
@jov001 the link of the video above
That hydraulic ram pump seems to have a similar sequence of operations as an electric voltage multiplier. Thanks for showing some magical plumbing and your new tools.
More specifically, an inductor based boost converter. A capacitor based voltage multiplier works on a different principle.
Wow. I didn't expect to encounter this here. That's so cool.
@@olmostgudinaf8100 Your analog is even closer, with inductance as inertia and the goosing flow spilling to ground.
@@tactileslut No, the transduction effect by the voltage amplifier causes the momentum to accelerate the hydraulic effect. Not the other way around.
You can create the same effect of the shaker syphon by using your thumb to seal the exit-end during the upward stroke, and releasing your thumb during the downward stroke. Probably common knowledge, but I thought I'd throw it out there just in case.
Or just spin the end of the hose like a helicopter until it splatters everyone around you. 😬
Thanks for that tip!
It helped me to suddenly see what was happening more clearly, so I'm glad you threw it out there. 👍
@@valiantwarrior4517perfect for dangerous chemicals :) 👍👍
@@valiantwarrior4517 Yes, I've done that!
the shaker pump is called a foot valve on most farms with yard wells on the property. its a fast and easy way to prime a pump by just lifting and dropping the pipe going down the well. the foot valve lets the water in on the drop but snaps shut when you lift. after you have the pump primed, the suction of the pump can keep the foot valve open to let the water keep flowing.
The ram pump uses the same stored energy that causes 'water hammer'--the sound you sometimes hear in the pipe when closing a faucet really fast. Also with a ram pump: the higher the outlet is compared to the source, the more water is wasted out the bottom; efficiency drops off quickly the higher you go.
Can large numbers of inefficient ram pumps be mass produced to slowly-but-continuously pump water up to mountain tops or above houses for "free" electrical energy during both night and day? If the pumps could be created in such a way as to need no maintenance, might this not be a way to always have energy, as long as a single reservoir held water? (With sealed pipes that were hydrophilic and/or coated with hydrophobic sprays in various areas, one could direct the water over large, flat distances, with a framework. ...of course, it would probably be best to just use vapor and condensation for such desert water distribution efforts.)
@@JakeWitmerI see more use for a thermal pump that doesn't waste the water. In your proposal, you have no feed of energy, except for the water going down. In the heat pump version you just need enough water heat pumps that works by heat difference.
Warm water has a lower density than cold water. So if you cool down ingress water and heat up water in a pipe going up, the water in the pipe will be higher than the cold water.
The rise is less than a ram pump, but the loss is 0 and the energy invested is to cause heat difference.
@@JakeWitmerwell if it helps, a friend of mine uses a ram pump to feed water to his countryside house. There's no water supply service around, but they have this small stream on the property. The pump takes some energy off the stream to fill up their water tank, which is almost 1km away and about 10m higher than the point in the stream where water is taken from.
I first read about hydraulic ram pumps when my parents were homesteading back in the late 70s. Most of it I understood but I had trouble understanding why it had to pump uphill. I couldn’t understand why they had to keep priming it if it did not pump uphill. They kept saying something about back pressure but I really didn’t understand it.
Then one day someone said those magic words “water hammer” and it all fell into place!!
Fun factoid: the first self acting Ram Pump was invented by the Montgolfier brothers (in 1796!) who were also co-inventors of the hot air balloon in France. To this day hot air balloons in France are called la montgolfière !
From a physics standpoint, no laws are broken as the center of gravity of all the water after is lower then the initial state. On this example the water starts in the bucket in the middle of the ladder so that is where the center of gravity is. If you calculate the final center of gravity (all the water that made it to the top and all the water that came out of the waste valve) it would be lower then the initial state. Which is why it wastes so much water out of the waste valve, it has to as the higher you pump some water, the more you have to waste down low to keep the overall CG lower then the initial state.
Been watching you for years, and learn a lot. Thanks.
The shaker siphon. Reminds me of the old trick done in a swimming pool where the handle of a leaf-catching net is inserted into the water, and you put one hand over the end of the handle, and pump the pole up and down as air gets pushed out the top and you hand acts as a one way valve preventing air from sucking back in. This allows water to be pushed up the bottom of the tube where it gets locked into place. Eventually, water starts squirting out the top of the pole while your hand is still blocking it. Then you invert the pole and let all the water out.
In other words, a straw in fountain drink. Except the straw is huge and instead of dribbling some soda on the table if you drop it, you're probably going swimming.
- Me, at start of video: this is witchcraft
- Me, after watching: this is still witchcraft, but thank you for explaining the witchcraft to me
Hey Doc! If you have good timing, you can simply move the hose back and forth in the liquid while covering and uncovering the exit end of the hose with your thumb until the liquid starts flowing. So no valve needed like that shaker siphon you mentioned.
Underrated comment
My uncle taught me how to siphon gas out of my truck for the lawn mower, but the first time I got gas in my mouth I complained and he showed me the thumb trick. Been using it ever since.@@procrastinathor4594
Thanks! I learned this today. Didn't know self starting siphons existed.
This isn't really a true self-starting siphon because energy has to be applied to it to make it happen. A true self-starting siphon would require something that would lift the water over the edge even if inserted slowly - which you can achieve with a glass fibre bundle filling or nearly filling the tube. The surface tension of very finely close fibres will do it, in a similar way to a piece of tissue paper, but much faster.
@The Action Lab, can you please put the straw very slowly into the glass filled with water and show us the results?
This will clear up lot of confusion people have.
Thanks in advance!
Instead of the double-top syphon I'm pretty sure it would also work with a vertical-axis spiral for the section inside the container (so the water would always be flowing upwards until it reaches the bend at the very top). The key is the length of tubing that allows the water to build momentum. A spiral with a larger radius curves would probably work better than having the relatively sharp bends of the version he's made as the overall resistance to flow would be less in relation to the diameter of the tube. It doesn't necessarily have to be plunged in, it could also be put in slowly, but having one end or the other sealed until the tube is fully in the container. That would require energy to force it in as it would be buoyant, so the energy still comes from somewhere.
However, even without that, you could still have an optical-fibre filled tube that would siphon water up to the bend on it's own because of surface tension. That would work the same as a bit of tissue paper, but the smooth alignment of optical fibres would allow the water to flow a lot faster than a bit of tissue paper of the same cross-sectional area.
I remember tapping down (energy input) on a straight plastic drinking straw because it kept floating up in a glass of soda-pop, the timing of the motion included closure of the straw top opening, acted like a one-way valve pump, which drew up the soda-pop liquid till it spilt out from the top of the drinking straw tube!
Great videos! Always suprised to see how mqny ideas you got!
New original ideas.
Just great!!
the lengthened siphon tube has much larger mass involved so water filling the tube just to "level" in one direction has sufficient forward momentum, enough to continue forward to reach the last higher tube peak, and not stop till emptying the source reservoir
Epic video. Straight and right to the point and fascinating… Great job. Thanks!
That's a really cool design, so simple
The extra energy needed to make the water climb up and over the edge of the container is provided by the person- the long straw initially is filled with air and therefore requires a little extra push to fully submerse it if you do so quickly. Think of it like a rubber ball when you push it down underwater. If you suddenly release it, it will spring up into the air because of the momentum it gained while quickly rising underwater. The straw is long and therefore takes longer to fill up with water than a regular straw, therefore it would normally not sink to the bottom right away unless you push it. So once you do push it underwater, it is like pushing the rubber ball underwater, and then the water comes springing back up the straw and starts a siphon.
just in case anyone was wondering if this is a good model for a gas siphon, he also does it with a clear rubber tube lol
Have you looked at what happens when you do not give it sufficient momentum?
Or place the tube and then fill water
i guess it will just level out and tube would simply fill up to the water level
Thanks for this short and neat explanation!
Ram pumps are the most fun DIY projects, I made 3 of them with custom made waste values couple of years ago.
Funny, I've started siphons with the momentum caused by just blocking the end of the hose before submerging and then just letting go, for decades, but today I learned that the K1 might be worth considering.
Once I used a shaker syphon for pumping water out of a well: several energeric movements was enough to fill up a bucket.
Anyone who uses a gravity bong appreciates this mechanism.
That shaker syphon reminds me of my childhood.. We had a well water pump which had a non return valve at the end which goes in the water. The pump and motor are at ground level. For the impeller to work the pump should be filled with water. The non return valve should keep the water from draining and thus providing the starting water. But sometimes you drain it for maintenance and instead of using the filling port (where you pour water) we just use to life the valve and drop it, while it went down it opened and let the water fill.. As it fills the pipe gets heavier but it used to get the job done..
This is exactly the explanation I wanted
I love this! I've also been looking at this 3D printer for a while before it came out. Really attractive printer.
I liked the self starting siphon. 🤩🤩🤩
Pretty neat way to get rid of the air bubble. It's still a regular siphon as soon as the air bubble is gone though.
a normal siphon works, not due to air pressure as state in this video, but due to gravitational potential difference.
It's both. Think about it. Why is it possible to suck any liquid up a straw? There is no such force as "suction", anything that is caused to move that way is actually being pushed by atmospheric pressure.
Yes once it is moving it actually works due to gravitational potential. I’ve even run a siphon in a vacuum and it still works.
Very cool. Reminds me of spiral pumps, a bit. It's interesting you mention the waters momentum, I'd never considered that (I'm no physicist), I always chalked it up to the action of so-called "slug regimes", which are fascinating in their own right. Perhaps a discussion about them would make a good video someday, I'll leave that to more capable hosts tho (hint hint).
This is the best Video I ever saw On Action Lab!!!
Nice printer and interesting video. Ceramic heaters are an upgrade even for an old printer.
This video siphons viewers attention from science to 3d printing
It's not just air pressure that makes a siphon work. Siphons work in hard vacuum so long as there's gravity. The surface tension of the water "drags" the rest of the water out once it gets started.
Im curious of the physics of this decivice allow it to scale up. Some principals that work on a small scale will not work at a larger scale. It would be interesting to test.
This will work as long as 1) the pipe length and diameter do not constrict flow so much that it cannot gain enough momentum to get over the crest and 2) the head pressure drop on the downhills isn't so high as to cause cavitation which would air-lock the system. With water vapor pressure at 25C being 3kPa, the absolute maximum should be just shy of 10m. Head pressure losses from friction against pipe walls of practical diameters (say 6") will likely reduce that to less than 9m.
The more you scale it up the more energy you would need to add, so yeah you would be able to scale it up but there is a point where the amount of energy you would need to add would make it too inefficient to be worth bothering there are better ways to empty a vessel of its contents like drill a hole in the bottom and fit a tap
@@chrisharris1522 The absolute limit is the working fluid's vapor pressure-temperature curve. Once the fluid column's head pressure exceeds ambient pressure minus the fluid's vapor pressure, the excess fluid will cavitate (boil from low pressure) and vapor-lock the system. For 25C water, that absolute limit is 10m before accounting for dynamic losses.
It's nice t the "momentum" of the water.... It is the fact that it creates a vacuum behind it and after passing the first hump (down low) it causes tht entry point to suck in more water. This causes a continuous cycle.
3:26 you can simulate this with just a straw and your hands by quickly moving the straw up and down and using your thump to close the top of the straw whenever it’s moving up and opening it again whenever it’s moving down.
if you want to siphon a fluid that isnt damaging to your skin, you can do the shaker siphon with your finger on the output side of the tube. To do this, push the tube rapidly into the container and then pull it out rapidly as well, but when you are pulling it out, seal the output of the tube with your finger. The trick to it is, when you are pushing the tube in, you want to do it quicker than the fluid flows back down the tube so you can create a column of fluid in the tube.
That is super cool!
There's a guy at a wet market who has a clever method, a bit like the shaker siphon but without the shaker. He keeps his thumb on the exit hole, and with his other hand he rapidly pumps some length of the inlet tube up and down the water- every downward pump his thumb opens the exit letting air out, and upward pull he closes the exit pulling water up. It takes a few seconds to start it.
You can use the water hammer effect to power a piston that inturn drives a flywheel to keep the cycle going forever until the joints/grease wears out. And you dont need alot of height for the water to drop.
Can you make it so the straw empties itself in the same container the water is from ?
Thanks a lot for this very interesting video man.
So if you had 2 cups of water and 2 syphons, both feeding into the other cup of water, could you make a perpetual motion machine?
To get a siphon started you can push a tube under the liquid then cover the end with a finger. Then pull the tube out till the liquid in the tube is below the surface and uncover the tube.
It works with electricity as well. A type of boost converter increases voltage by periodically building up momentum in a inductor and switch to output via a diode, the same principle as the water ram device.
A boost converter creates a significant amount of heat instead of water, yes?
The Hercules monument in Kassel Germany, has an enormous waterworks, they run it for the public once a week. Takes 2 hours for the water to run down. It uses a hydraulic ram in the nearby river to pump the water up into the storage tanks. Worth going to see if you are within 200 miles of it. It was built in 1700.
this is interesting, I need exactly this to make a water filter
I'm definitely going to use this to do water changes for my fish =)
Oh man, these crazy straws are going to make it soooo much easier to get free gas 💩
I really need this for my home brews
The Shaker siphon reminds me of something at the lifeguards used to do at Boy Scout camp. Lee lifeguards would carry 10ft long PVC pipes around so if someone's drowning they can offer something they can grab onto without getting in. And what they would do when they were bored would be to pump these PVC pipes to make a squirt gun effect.
Forget about shaker valve or even shaking! A simple trick is this: immerse most part of the tube in the liquid in the container and let the liquid fill the tube (up to the level of liquid in the container). Close up the exit end of the tube with your thumb. Raise the tube from container over the side of container and lower the exit end until the liquid level in the tube is below the liquid level in the container. Now open the exit end. Liquid will be free flowing until the liquid level in the container is equal to the level of exit end of tube. Tested method, it works! Suitable for all types of liquid and container, gasoline tank, toxic liquid etc.
Asumption: the long coil is submerged so the water has a long time to acellerate and rush inside of the tube, at the end it is so fast it's able to start the siphon effect.
That just sounds like siphoning with extra steps.
You can also stick the entire hose in the liquid, make sure the hose is filled completely, block the end with your thumb/palm (depends on hose size) and just bring it over the edge and let it start draining. Thats how I drain our non-hazardous waste at work, I do it all the time. Ive thought about trying those shaker siphons, but theres a lot of tiny solids in the water (I empty it into a filter press) and I feel like the shaker would get gummed up within a week lol.
So you dont necessarily need to suck on anything to start a siphon, its just a matter of getting the water to start flowing over the edge. Been siphoning barrels with just a 5' section of old garden hose for years, no sucking needed lol. Only thing is you need to bee able to fit the whole hose in, easy on a 55 gallon drum with the top cut off, but not applicable in all situations.
That's pretty smart. It's an easy solution that you might not think about immediately in a situation where you need to syphon things you don't want in your mouth.
Why do you need the whole hose in? Don't you only need just enough to get the water over the edge?
@@MortenBendiksen gotta fill the hose completely to start it flowing
For us, aquascapers, this is revolutionary. This thing is going to change water changes once abd for all. I have to 3d print one!
I build those as a child, because it was so satisfying to watch.
I remember making this self-starting siphon in 7th grade in the 60s when they let us use propane torches to bend glass tubes. I expect that is not allowed any more.
This is amazing, and interesting.
Aquarists are gonna be so happy owning that tube
Im impressed by that new creality printer finally a creality you dont have to rebuild to use... maybe
Okay, for the straw... how exact does the geometry have to be? I'm not planning on siphoning gas, but I'm trying to picture if it could be done. You have to get that first bend under water to start it... but since it's using momentum, not an actual suction from the final end, I suspect the middle loop can't be too much higher than the first loop?
As for the other ones, how do they compare in efficiency to a good old Archimedes screw?
Fascinating.
I wonder if the self starting siphon tube would work for irrigating fields from concrete ditches?
Thanks for the cool video, sir.
Truly fantastic
Add a resistance latch of some kind at the start so that once a certain amount of pressure happens it opens and stays open while water is flowing then closes when it stops. That would allow more initial pressure to self-prime the straw and allow multiple straws/containers to be used for increasing elevation.
Imagine casually dropping this in someone's drink.
Dude, all those 3d printer enhancements are well known and understood by the 3d printer community for years. They are just the latest to the party.
Excellent ad placement
Great video!
The extra energy comes from the tube push just enough to get through extra height
my pool needs this,, thx for the "tip"
Loved mannnn ❤
Any house with a modern toilet has a self-starting siphon already.
Near AD 477-495, They take water to 180m High.
For more details find out about Sigiriya.
I’ve never heard the “shaker siphon” before, I’ve only ever heard them called “jiggle pumps.” But the name makes sense, if someone asked me to bring them a shaker siphon I would know what they meant.
Thanks
So using a ram pump setup and a way of collecting the water for use again could you have the falling water from the upper most hose flow over a waterwheel and generate power.
When water is raised due to how a tree brings moisture from the ground to its fruit and leaves, would this method be similar to your shaking device for achieving the same kind of thing? In other words, does this show that the fibers inside the tree have a slight movement of their own which can drive the liquid up?
0:47 it's not the atmospheric pressure pushing the water through in a siphon, it's the (falling) water's mass creating suction with the help of gravity. The atmospheric pressure is higher in the lower container, so that would not work.
by the way - you take a piece of hose (1-1.5 m) and throw one end down into the bath, and put the other under the jet of water from the tap above
observe the flow rate of the flow from the hose
and now you just take out the upper end from under the jet - and voila, the flow of flowing water from the hose increases the pressure three times!
Need this for my pool.
That looks like a very cool thing to help quickly change water in fish tanks!
I don't know if they still sell them, but I have an ancient shaker siphon from a pet store. It's a rigid large diameter tube connected to a smaller diameter flexible tube. Shaking the large tube up and down in the aquarium causes the water to ram the air through the flexible tube until enough water is rammed in to displace the air and start the siphon effect through the flexible tube. This siphon has no moving parts, no valve. The effect is totally due to the open mouth of the large rigid tube ramming water into the smaller flexible tube and displacing the air due to inertia.
K, need to mass produce this for people with fish tanks or other uses when siphoning is needed. That seems so much easier than using the wide body tube to the short body tube method.
Shout out to the big hospital cup. Those things are awesome. 😂
Thats the only ad in my lifetime that I've rewound the video to catch the ad from the begining to take a closer look...
That printer is insane 🤯
Oh yea, Cool tube too 🍻.. 😂😂
A self starting siphon.👍
Now I wonder if the self-starting siphon could be used as a pump if the siphon were shaken up and down at just the right frequency
Hi, I have a question about air conditioning and closing vents. It seems counterintuitive to not close vents, but apparently, it's true. I was hoping you would consider doing a future video about this. Would not the air pressure in vents cool an open vent room faster and more efficiently when an adjacent room is vent closed and sealed? What is the science behind the recommendation of leaving all vents and doors open in a central HVAC system? Thank you for all of your informative videos!
If your AC unit takes air from outside, cools it off and then blows it inside, the cold air needs to displace the warm air in the rooms. Otherwise it "can't enter" the room.
In a recirculating system, it should not matter.
With a portable AC that only has one exhaust hose and no suction hose, it uses the room air to cool itself down and then exhausts that air outside. That air has to be replaced because otherwise you're drawing a slight vacuum in the room reducing the effectiveness. This is also the reason why portable ACs are terribly inefficient - they use the air you just cooled off to cool themselves down, while replacing that by sucking in warm air from outside through vents and cracks.
feels like i am 🤏this close to breaking laws of physics and creating my own black hole
It would be nice if I could use that method on my AC unit that has a drain plug inside.
This dude is legit an alien
u can just use a backflow preventer or even an anti syphon hose bib on your ram pump
It would be interesting to use various sizes of tubes that are smaller than the one he used. It would get to a point where surface tension would not allow the syphoning to happen.
My first guess was that this used surface tension with a comb-like series of fingers or plates that were angled upward, using similar action to a Tesla valve to draw the water in one direction. Once the water got over the last hump, the siphon action would take over and speed up the flow. Such a device would need a very particular scale depending on the viscosity of the fluid, however. I like the real one better than my idea!
So growing up on my uncles farm I saw him transfer fuel using a 4-5 foot length of hose. He would accomplish this same effect simply by quickly inserting the hose so that the fuel splashed up and over the single bend.