Answer Posted / engr tauseef
due to additional resistance heat transfer rate decrease.
for example:
heat transfer b/w one layer is more as compared to b/w two
layer.one layer of plate b/w two fluid and another layer is
scaling or deposition etc...in order to avoid fouling or
scaling.....shud be bleed off.
its already mention in Glorious Quran in sura Qayama
Sura#75, ayat#9 ...heat always flows from hot body to cold
body.
engrtauseef2008@gmail.com
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