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Dear Mr. Ajay S. Satpute, Thank you very much for sharing the files and solving my problem :) God bless you :)

Well in my view, an attemperator though solves the problem of controlling steam temperature, but it is this point where undissolved solids are also added to steam which cause impingement on steam transportation piping and other equipment consuming steam including steam turbines' rotor. We had a...

PetroBob Yes dear. As you are reducing pressure from fairly high value, so it would be good to use 2 or more open loop pressure regulators in series. What is the size of nitrogen pipe? I think, you should provide heat tracing to the nitrogen gas cylinders, so that JT effect wouldn't...

Dear All, I have prepared a simulation in Aspen HYSYS to calculate the Temperature and Pressure of Water in a Externally Heated Tank with closed outlets. This is just an example calculation. However, it can be "tuned" for this case :) I have also prepared a small report that includes HYSYS...

Sorry, there is a typo in the last two lines and I'm unable to find an option to edit the post... :) Here's the corrected line.. --- it is generally said that if we have not VERIFIED the operation of safety instrumentation during start up or before start up then as per MURPHY's law then it...

As an operation person, I can say NO. However, you should grease the PSV "check nut" and perform overhauling of the PSVs from time to time. The PSV spring is usually not exposed to any "harsh" liquids, so the life of spring is very LONG generally. I am saying this owing to my operational...

Dear All, I have to validate an Antisurge Valve of a centrifugal compressor using Dynamic Simulation in Aspen HYSYS. Does anyone have worked on a similar project? Also I have to specify initial tuning parameters for the Antisurge controller. Please advise specifically for Aspen HYSYS software...

By the way, 30 MMBTU/H seems to be a very big heat exchanger :) How much is the water flow rate?

JGP08 Dear, have you tried simulating the process in Aspen PLUS or Aspen HYSYS. Besides doing manual calculations (which you should do for better grasping of process engineering concepts), you can very easily (and swiftly) calculate the "LOST STEAM" by using the process simulators. First...

I am new to these types of calculations. Therefore, I reverted to this forum like I did for many of the other process engineering calculations :)

Dear All, I have to validate an Antisurge Valve of a centrifugal compressor using Dynamic Simulation in Aspen HYSYS. Does anyone have worked on a similar project? Also I have to specify initial tuning parameters for the Antisurge controller. Please advise specifically for Aspen HYSYS software...