Dear Sankalp,
the definition certainly depends how your deaerator is defined. Can you give me some information which streams (condensate, stripping steam, etc.) you are considering in your analysis?
Best regards
Mathias
There is a basic idea of fuel and product . for any devices, there is a fuel exergy (input or inlet or exergy enters to component) and (product , our outlet or wanted exergy). If you find exergy fuel and product then you can define :
efficiency= exergy product / exergy fuel;
this formula works for any components to my knowledge. for get more inside through this concept you may find Thermal design and optimization by Proff.A.Bejan useful.
I strongly advice to consult Perry's Chemical Engineers' Handbook; chapter 4 (thermodynamics), in the title "Thermodynamic analysis of processes". This will give you a complete path to calculate what is the minimum amount of "exergy" nedded to perform your separation. You will need a thermodynamic software to predict entropy and enthalpy of your mixtures (HYSYS, Prosim-Simulis, Pro-II, Chem-station), do you have someone? have you access to Perry's book?
Roberto
No sir , i am now going through it . I have HYSYS( ASPEN), will start it soon
I agree with Hassan, In deaerator we have only one output (the product), the rest (other streams) are the fuel, so the effectiveness is equal to the exergy of the product divided by the fuel exergy ( exergy of the other streams).
I am sorry, I am confused.
Are we talking about a fuel deaereator to remove gas bubbles from diesel; or a feedwater deaerator drum/stripper to remove dissolved gases from water?
The Perry's analysis is valid for any steady-state physico-chemical process.
I am discovering what is a fuel gas remover deaerator, thanks to Hassan and Giuma
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