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Difference between light and heavy cracking of hydrocarbons?
1 votes

Not only fuel but consider the properties of each gas, cracked gases when cooled usually turn to an organic fluid, so to extract that excess water you just need to cool those things to room ...

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How to use a specific list of components in a stream in ASPEN-HYSYS?
Accepted answer
1 votes

You would need to create a whole new property package to use List 1 or 2 even if the EoS is the same as the initial one. There are a few times when this is impossible such as in Sulphur Recovery (...

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How to calculate adiabatic air temperature loss caused by increase of humidity?
Accepted answer
1 votes

You are missing an equation of state that can be solved analytical or preprogram SRK or PR in a TI calculator when make it solve the enthalpy for you (enthalpy 1=enthalpy 2 but the phases are ...

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pH calculations for boiler water
1 votes

Do they provide you with the temperature of the system? In this case what they want you to do is solve first the boiler mass balance, in case there are heat/temperature specs you could make a energy ...

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Which coating best exploits "darker when wet" phenomena
1 votes

A thick paper and treated the same way you treat a catalyst bead to become porous so the surface area can get more light. From this if you use a thick clear uncoated paper and leave it a few seconds ...

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Heat balance in a pipe flow network
1 votes

Which formula you used? Are they distilled water or tap? Remember heat transfer formulas are based upon assumptions and there is always heat loss due to transfer to the surface of the tube and ...

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If I replace a flow orifice with a Coriolis flow meter of the same size do I need to worry about pressure drop with the new Coriolis meter?
1 votes

Usually flow orifices are very aggresive to the pressure. Everything you add has a pressure drop and doing calculations by hand of an equipment like that can be hell. So yes you should check the specs ...

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Custom User Models in Aspen Plus
0 votes

Which property package are you using? What type of mixture are you purifying? Because if it is non-ionic I would much better recommend you to use HYSYS and you can use a custom model in BVA and ...

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Why textbooks use geometric center/centerline of the pipe when calculating/measuring pressure?
0 votes

Looks you could add it in any part of the vessel but only the heigth matters you put it in the side and people will be confused if it is in the center it is easy to understand.

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How do the bubble oscillations in two-phase flows affect the dissipation rate of turbulent kinetic energy?
0 votes

I remember doing something alike but with solids in oil pipes... As it turns out in a quick search in google I found the thesis is now published online by Arizona State University. The oscillation ...

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PV diagram from cubic equation of state
0 votes

Set temperature as constant, make P change and find V solutions (if V(P,T) which according to what he is saying it is what he is doing...) You HAVE to set one constant, since you want to plot PV you ...

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pressure loss in a T fitting
0 votes

I have two ways you could find a solution to that problem (actually 3 but the third is using a flow simulator :P) Just assume that P2 and P3 are the same (or else you will find yourself in partial ...

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Can boundary layer theory be applied in finite element methods as it is applied in finite volume method?
-1 votes

It can but you are wasting the full potential of the method when doing it so. I recommend you look into "Applied partial differential equations" by Trim. You can also check a few articles in ...

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