Dear Coleagues:
I have not been able of finding one code or officially wel done replay to the following question:
*When designing mechanically piping systems in vacuum conditions what is the effective vacuum calculation lenght I must use?.
The ANSI is driveng me to the ASME VIII, div.1 vacuum...
RV:
Regarding your question once, some years ago I had to perform the design of one downstream heat exchanger for thermal oxidizer off-gas in one sulphur recovery plant (BV&Pritchard technology).
There are some important points to consider that I'll tell you and could give you some guide...
This is avery commom problem in the combustion process whatsoever system is used(engines, turbines, boilers, etc...).
In the real field test the follwoing items are known:
1.-fuel composition(main components)
2.-exhaust gas composition(main components) by one standard analysing equipment...
Dear Colleague:
I agree with the basic comment made by our other fellow 22th of this month. However some tips will be mentioned due I have been working some years ago in one similar project:
1.-First it will be usefull the carefull reading of one good book. I can recomend to you the chapter nº...