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  1. ReemaK

    Hello I have to calculate area req

    I will try to get it But as of now I don't have any PFD & PID with me Thank you !!
  2. ReemaK

    Hello I have to calculate area req

    It is an orifice plate and has multiple holes (as i mentioned in my first post). I know the pressure that is to be maintained downstream of the orifice...I have to size the orifice and check how much is the back pressure in the nozzle and check upstream pressure required...the criteria is that...
  3. ReemaK

    Hello I have to calculate area req

    Application is crude and steam are passed through a nozzle...which has an orifice at the outlet of the nozzle...downstream pressure of nozzle is fixed..
  4. ReemaK

    Hello I have to calculate area req

    Thank you @shvet...yes these two combinations are enitrely different...even in my case when steam is added to the crude, some hydrocarbons vaporize...
  5. ReemaK

    Hello I have to calculate area req

    Thank you all for your inputs. I will go through the articles @pierreick
  6. ReemaK

    Hello I have to calculate area req

    Not very precise Approximate value is okay(within 10-15%)
  7. ReemaK

    Hello I have to calculate area req

    Thank you for your prompt response any idea if this can simulated in aspen hysys ?
  8. ReemaK

    Hello I have to calculate area req

    Hello I have to calculate area required for an orifice . The downstream pressure is fixed. The flow is a multiphase flow of crude and steam.(Crude flowrate = 2000kg/hr and steam is 50kg/hr) If any standard sizing procedure is available, can anyone please share it ? And can this be simulated in...
  9. ReemaK

    Aspen EDR studies

    yes...For U-tube we need to have a minimum of 2 passes...the 1-shell, 1-tube pass I did is also a fixed tube exchanger... that is why I had a doubt if 1-shell, 1-tube pass can be used or not thank you @christine
  10. ReemaK

    Aspen EDR studies

    Yes Coming to pump and piping...actually hot oil is one heating medium we are considering...there are 3 more (steam, electric and feed/product heat integration)...so i think once the heating medium is finalized we have to look pump requirement !! This project is being done by other department...
  11. ReemaK

    Aspen EDR studies

    Thank you !! I will try decreasing both and check !!
  12. ReemaK

    Aspen EDR studies

    Thank you for your prompt response @1503-44 Actually I wanted to decrease the number of tubes...not increase them...so which would be a better option ? reducing the hot oil flowrate ? And I have done the simulation using 1-shell, 2-tube pass...it is showing temperature cross because the outlet...
  13. ReemaK

    Aspen EDR studies

    Hello... I am running EDR for the first time...I need to heat a heavy stream of crude from 150 to 240 C....Different heating mediums are being considered and one among them is hot oil...I know the hot oil inlet and outlet temperatures...I am estimating the hot oil flowrate required using a...

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