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Answer Posted / lokesh singh
h=k/d, where d is the thickness of wall across which heat
transfer takes place,if we increase d by anyway then
resistance to heat transfer is going to increase but i must
tell u one thing to you guys that i am a process design
engineer(basically chemical engineer) working since last 6-
7 year in the field of design, many time during heat
exchanger design, if we take fouling factor zero then we
get value of heat transfer coeficient less ( HTRI run) as
compaired to somewhat fouling surface, this means sometime
less fouling metal surface is giving added advantage of
heat transfer as compaired to smooth metal surface, this
reverse the above low about which everyone is talking(
inversly proportional), if any one have HTRI software then
he can run and cross check my point.
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