![Zulfan](/img/default-banner.jpg)
- 191
- 109 864
Zulfan
เข้าร่วมเมื่อ 21 มิ.ย. 2016
Anything about chemical engineering, preferably process synthesis and design, process modeling and simulation, process optimization, heat integration and pinch analysis, applied statistics in chemical engineering, and mathematical optimization. This is Indonesian Chemical Engineering.
Apapun yang berhubungan dengan teknik kimia, khususnya pengembangan proses berbasis teknik kimia, pemodelan dan simulasi industri-industri proses teknik kimia, optimisasi kinerja industri proses teknik kimia, integrasi kalor dan pinch analysis, serta optimisasi matematika. Kanal ini didedikasikan untuk Teknik Kimia Indonesia.
Apapun yang berhubungan dengan teknik kimia, khususnya pengembangan proses berbasis teknik kimia, pemodelan dan simulasi industri-industri proses teknik kimia, optimisasi kinerja industri proses teknik kimia, integrasi kalor dan pinch analysis, serta optimisasi matematika. Kanal ini didedikasikan untuk Teknik Kimia Indonesia.
21 Analisis statistik dasar
Python di teknik kimia. Dasar-dasar statistik dengan menggunakan Python
#python , #teknikkimia , #statistik
#python , #teknikkimia , #statistik
มุมมอง: 39
วีดีโอ
19 Sympy
มุมมอง 152 หลายเดือนก่อน
Python di teknik kimia. Sympy adalah modul untuk melakukan perhitungan matematika secara simbolik seperti x, y, dst. #python , #teknikkimia , #sympy
20 Integrasi numerik
มุมมอง 152 หลายเดือนก่อน
Python di teknik kimia #python , #teknikkimia, #integrasi
Process Planning Optimization
มุมมอง 1642 หลายเดือนก่อน
Here we compare the performance of solvers of Symmetry as a process simulation software and an open-source GLPK solver. Because the process simulation software is not built to solve this type of linear programming problem, it suffers a huge defeat compared to the open-source solver. #python , #linearprogramming , #refinery , #optimization , #chemicalengineering , #productionplanning
Pressure balance calculation in HYSYS
มุมมอง 6352 หลายเดือนก่อน
Two vessels connected to a common fixed pressure line. How the pressure in the system is going to be affected if anything happens? #hysys, #pressure , #fluidmechanics , #chemicalengineering , #processsimulation
Messed Up AI - I See, I Simulate, I Solve
มุมมอง 632 หลายเดือนก่อน
I envision a time where we can use a kind of goggles, look at chemical plants, and say, "Simulate!". And, it will take a picture of the plant, measure all elevations and layout, write codes for the entire mass and energy balance of the plant, and you can instantly evaluate how to improve the plant :) #python , #teknikkimia , #chemicalengineering , #ai, #chatgpt , #chemicalplants
HAZOP AI v0 0 2
มุมมอง 782 หลายเดือนก่อน
HAZOP using custom chatGPT #processsafety , #hazop, #python , #chatgpt , #ai
12 Menyimpan dan memanggil fungsi
มุมมอง 142 หลายเดือนก่อน
Python di teknik kimia #python , #teknikkimia
Process Systems Engineering In Practice. Optimize your life (and your process) mathematically
มุมมอง 912 หลายเดือนก่อน
Process Systems Engineering In Practice. Optimize your life (and your process) mathematically
03 Perhitungan matematika sederhana dan variable
มุมมอง 233 หลายเดือนก่อน
03 Perhitungan matematika sederhana dan variable
01 Pengenalan Aplikasi Python di bidang Teknik Kimia
มุมมอง 593 หลายเดือนก่อน
01 Pengenalan Aplikasi Python di bidang Teknik Kimia
Introduction to process dynamic simulation in Aspen HYSYS
มุมมอง 7205 หลายเดือนก่อน
Introduction to process dynamic simulation in Aspen HYSYS
how to contact you bro?
Just ask your questions here
Dear Dr. Zulfan, I hope this message finds you well. I am writing to request your assistance in arranging comprehensive training on flare systems. As there are no adequate resources available on TH-cam or other platforms, I believe your expertise would be invaluable in providing a thorough understanding from the basics to advanced levels. Specifically, I am interested in learning Software Training including: Step-by-step guide on how to input flare system data into simulation software. Running simulations and interpreting the results. Best practices for optimizing flare system performance. I am looking forward to your positive response and am excited about the opportunity to learn from your expertise. Thank you very much for your time and consideration.
Hi, let me see if I can find any information for that. If you already have any, just send them to me so that we can quickly start
@@ZulfanAdiPutra Can you please share with me your email address? Thanks a lot
Thank you very much for your training. You are awesome! I am wondering if it is possible to arrange several trainings focused on the flare study. Can you please consider several equipment (with PSV) where their PSVs discharge to the flare and teach us how we should analysis the flare. you are great!!! thanks again
Hi, I don't have any case study for that. If you have any, let's dig into that
Halo Pak Dr. Zulfan, terimakasih banyak atas simulasinya. Mohon ijin bertanya, jika saya mempunyai dua vessel yang terdiri dari low pressure dan high pressure. Vessel yg high pressure akan saya manfaatkan untuk blowcase meningkatkan pressure di line yg mempunyai pressure rendah, apakah hysys bisa megkalkulasi gabungan pressure? Karena hasil kalkulasi selalu based on tekanan yg paling rendah hasilnya jika di mixed serta saya perlu melakukannya secara dinamik ya pak? Terimakasih banyak Pak Doktor.
1. HYSYS bisa menghitung apapun yg kita bisa modelkan. Pertanyaannya adalah apakah kita mengerti sistem yg kita mau modelkan dan apakah kita bisa memodelkannya? 2. Buat apa memodelkan sistem spt itu? Apa yg mau dicari? 3. Di contoh ini keliatan bahwa pressure gabungannya berubah tergantung dari tekanan kedua vessel tsb.
Halo Pak Zulfan, terimakasih banyak atas simulasinya. Mohon ijin bertanya, jika saya mempunyai dua vessel yang terdiri dari low pressure dan high pressure. Vessel yg high pressure akan saya manfaatkan untuk blowcase meningkatkan pressure di line yg mempunyai pressure rendah, apakah hysys bisa megkalkulasi tekanan gabungan pada saat stream di mixer ? Karena biasanya mengambil tekanan yg paling rendah.
Bisa
Rajin kali bikin amalan jariyah
Biar lancar nanti 😊
Could you please upload the video of methanol steam reforming system using membrane
Hi, I don't have the process. If you have it, please share it :)
Hi... Can i have u r email id please
No need man
Kapan launching ini pak.?
Masih lama Mas. Masih harus di-massage lagi. Sabar, hehehe...
Mantap Zul
Bentar saya mau upload v0.0.2 nya, hehehe... Stay tune
mantap pak.. tapi koq ga nemu fitur ini di chatgpt nya..?
Memang gak ada. Ini saya buat sendiri pake custom GPT
Thanks for sharing such a valuable ideas; is the presentation available for share?
Hi, thanks for the comment. It is unfortunately not available. Sorry
Thanks for your awesome clear explanation; but why sharing and Like are deactivated
Hi, thanks for the comment. I am not sure what happens at your end, but it looks fine from my end. I can "like" and "share" this video. Could you please try it again.
Hi Dr Zulfan, Thanks for detailed explanation. Generally flow control valves act pretty fast. How can we make them very slow. How do we tune the parameters (Gain, time conatant,delay,...) to make them slow?
Hi, do you want to see a slower simulation in your pc or something else? :) If it is the first, then you can tick "real time" in the Integrator or if it feels so slow because of this, you can then set the acceleration in the Integrator to a value bigger than 1. The effect of flow control is relatively fast because its "capacity" is only the volume from the flow measurement and the flow control valve itself. So, it is a very small volume (relative to others). Hence, relatively quick response. IF, your pipe is big and the distance between the flow measurement and the control valve is like 1 km or more :), then you'll see a much slower response. This is what we see as "dead time". When controlling a process, we typically want to have the system under control as fast as we can. Not the other way around.
Thank you so much.
Hello sir, can you pls send your email to contact you
Interesting course Mr Zulfan!, I hope Mr Zulfan can provide more material about dynamic simulation. Please recommend learning resources for dynamic simulation material on Aspen Hysys, I'm intersted to learn about this course
Hi, thanks! I think you can check out my playlist for Aspen HYSYS where few dynamic simulation videos are available: th-cam.com/play/PLFK7DKgtefxsqVDL5bLMzQYP-Cy4DenW5.html
Hello good video i learned a lot bro i have a problem can you send me your Instagram account to show you i mean
Nyimak pak,,,
silahkeun
6:40 different type of hole 11:59 operating point should not away from min weir One sol is to change column dia 20:30 recycling 29:39 error lead to iteration number 40:59 see liq or gas stream 46:51 composition 54:57 removing reflux line and connect anywhere else 1:02:52 increase purity
ada grup telegram pak?
Pertamax
Mantap
Pagi pak zulfan, izin bertanya pak. dalam kondisi yang seperti apa tray di kolom distilasi dapat dibuang
Hi, may I know if we can use Event Scheduler like in HYSYS too in Aspen Plus Dynamic? If there is, could you show me? Thank youu
Hi, I don't know if there is. To do dynamic simulation in Aspen PLUS is not as user friendly as in HYSYS.
is this an online course we can take, please?
Hi, unfortunately not. This is one of the courses in MSc in Process Integration at UTP
is this an online course we can take?
Hi, unfortunately there is no such course at the moment. This one was part of an MSc program, called Process Integration, at UTP.
is this an online course that we can take? please give information
Hi, there is no such course at the moment.
It is a very useful video, however, it can be helpful if we see more lectures related to optimization problem formulation for chemical engineering problems.
@@user-td5hx5hh8r hi, you can refer to Optimization of Chemical Processes, Systematic Methods of Chemical Process Design, or even Advanced Optimization for Process Systems Engineering
Hi Mr. Zulfan. I am Tan Hong Kiat, Chemical Engineering student from UTP. As far as I know a lag time must be included in the temperature controller to control the temperature. May I know what is the reason the lag does not included in the simulation?
Hi Tan, you are right and you can include it if you want. This simple simulation is only to provide a basis on how to make a temperature control. Of course you can always add more complexities into the system. Just please be careful to always understand what you want to simulate and why you make such choices
@@ZulfanAdiPutra alright i have understood the context. Thanks for your kind explanations!
How to get CV any software recommend to calculate it
You can use HYSYS to calculate CV for you. Check in the sizing tab. It's basically a straightforward calculation using flowrate and dp that you allow for
1:43:00 the figure seems to update once every ~1000s, so it's not (only) about your computer being old...
😂
24:19 lol
Thank you for the nice video. May I ask the name of the tool 'Optimizer'? @7:15 of this video. Thank you very much
Thanks. It was run using the default solver: Interior Point.
Sorry, are you asking for the name of the software? It's Symmetry from SLB.
Thank your sir, very helpful tutorial Would you please share the excel file for pich analysis. Tahnk you again
Thanks. You can simply google it. There are many
can you please explain how to measure the percentage of flooding from the hydraulic curves? Or anywhere else I can read the data. I've done calculations up to hydraulic plots.
the the the the theeeeeeeeeeeee
in the in the in theeeeeeeeeeeeee in thee
I'm working on a Distillation Column Design. The column is converged but I don't understand hydraulic plots. How do I get to know it. Is there any material I can refer to?
Hi, I am not aware of any printed material explaining this issue in depth. It's basically as simple as what I explain in the video. We need to balancw the supervicial velocity of vapor and liquid and these numbers need to be located about in the middle for convenient. If we have too high vapor velocity, it will go up in the graph and we'll get entrainment in the end. If the vapor velocity is too low, it will go down in the graph, and we'll get weeping from the trays. Obviously, the shape of the graph highly depends on the properties of the vapor and liquid (ie thermodynamic estimation must be accurate enough), the vapor and liquid load (ie capacity), the diameter of the tray, and the type and the design of the tray itself. So, you can play around with all these parameters and see how the plot changes, and how the vapor-liquid intersection moves in the plot
Hi Dr Zulfan, from your experience, do you find any differences of using Symmetry Vs. Aspen HYSYS for dynamic modelling? For example, which 1 is better in terms of functionality and ease of learning? I have the interest of setting up a dynamic model for one of my projects and I'm not sure which platform to get started with. It seems like I can only find Dynamic tutorials with HYSYS. Thanks again!
Hi, you can find Symmetry tutorial for dynamic simulation in my channel. Both are basically the same for the functionality and ease of use. There are some minor differences, eg valve opening 0-100% or 0-1. For stability, I have encountered 2 occasions where I have to remove and re-add some unit operations in HYSYS.
This one and the next one th-cam.com/video/r1727khV_1Q/w-d-xo.html
@@ZulfanAdiPutra Awesome! Thank you once again!
Terbaikkk Dr Zulfan, makasih!
Hi again! As always, thank you so much for posting these lectures! I just had a question about the use of cascade controls, under which type of circumstances would you consider the use of cascade control? For the example you were showing @2:20, what is the benefit of using a cascade control over a simple level control?
Hi, We typically use cascade control if we have more than 1 measurements (in the example above they are level and flow measurements) AND 1 final control element (which is the flow control valve). Another point as a rule of thumb is that the inner loop (slave) has to be a lot faster than the outer loop (master). It's of course more complicated than a single control loop. However, if we can justify the benefits of using the cascade mode, it's worth it. For example: 1. Reflux is typically done by using the reflux flowrate as the measured variable and we have the set point for it. When feed flowrate or composition changes, this reflux flowrate has to be changed accordingly. But, to how much extent? Well, we can do trial and errors for that. Or, if we can have a composition measurement on the distillate stream, which you know it is much much slower than measuring the flowrate of the reflux, we can use this composition measurement to tell what the reflux flowrate should be. Thus, the composition control loop is the master and the reflux flowrate is the slave. 2. In heat exchanger where we heat a process stream with a steam, we can have two measurements, which are flowrate of the steam and the process outlet temperature. And we know that changing the opening of the steam control valve will change the steam flowrate much faster than the process outlet temperature. Thus, we can use the process outlet temperature control loop as the master and the steam flowrate control loop as the slave. We could of course neglect the flowrate measurement of the steam by directly manipulating the steam flowrate from the process outlet temperature (aka controlling steam flowrate without knowing how much it is flowing). But, we almost always have steam flowrate measurements for energy balance and others. When we have disturbances for these two examples such as changing feed compositions (ex. 1) or changing steam pressure (ex. 2), this cascade control can bring some stabilities to the performance. You can simulate this and compare the result with the simple control. By the way, the example in the video that you referred to is not a really good example to explain the benefit of cascade against a simple control loop as you have discovered. So, well done! Nonetheless, it may have been that the level is a more important variable to control than the flowrate. Thus, it needs to be measured and becomes the master.
@@ZulfanAdiPutra That's a very detailed explanation and it makes a whole lot of sense. Thank you so much!
Great video. Deserves more reach and appreciation...
Thanks so much. It is very useful
Thanks. Glad you like it
Kak bisa tutor tugas saya?
Excellent introduction delivered with clarity! thank you
Thanks a lot
mantap pak,,,,,
Please, could you share the powepoint file too? it is very interesting. Thanks a lot
Thanks
You're welcome
bang suaranya kurang jelas
Can you share a link to download this software?
Hi, I don't have the link to download the software. If you google for "Symmetry Schlumberger", maybe you'll find something. Otherwise, just contact SLB (Schlumberger) for university license. It is free