[Gasification] heat exchanger / boiler design book recommendations?
Benjamin Domingo Bof
benjaminbof at yahoo.com.ar
Mon Dec 24 05:42:11 CST 2007
Andrew an road map; first question in heat transmission is surface, second temperature jump, third thermal coefficient transmission of material, and fourth is rugosity involved in heat conduction.
Benjamin
andrew <list at sylva.icuklive.co.uk> escribió:
On Sunday 23 December 2007 11:35, Greg Manning wrote:
> I've gone that route, even signed up with "eng-tips.com"
> (engineers tips) to attempt some form of knowledge on heat
> exchangers only to be told time and time again..... " an engineer
> can design that for you..."
We found exactly the same problem 7 years ago when building our large
wood dryer. So David Beedie sized everything from scratch using
simple physics principles and the rule of thumb not to exceed 10
metres/sec for any gas velocities. It was near enough right first
time.
There are so many variables that it must be a black art, I spoke with
the chap that oversaw the design of UK's first straw burning plant.
He was ex navy and familiar with ship's steam turbines, so the
design was similar but he says they had to make changes to the fire
tubes and superheater on the fly during commissioning.
AJH
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