The hot akapkan, which enters the inner pipe of a double-pipe exchanger at a speed of 5200 kg/h at 120 °C, is desired to be cooled to 22 "C. In order to cool the hot fluid, the hot fluid is fed tap water at 15 °Dec with a speed of 10780 kg/h between the inner and tooth pipes in the opposite direction. Calculate the length of the double-pipe heat exchanger to be used as a heat exchanger in these conditions.(L?) data: D0=13.8cm Di=12cm K pipe=12w/m.k hi=22w/m^2 k. ho=36w/m^2k CP,hot=2.2 kj/kg.k , CP ,water =1.3 KJ/Kg.k
The hot akapkan, which enters the inner pipe of a double-pipe exchanger at a speed of 5200 kg/h at 120 °C, is desired to be cooled to 22 "C. In order to cool the hot fluid, the hot fluid is fed tap water at 15 °Dec with a speed of 10780 kg/h between the inner and tooth pipes in the opposite direction. Calculate the length of the double-pipe heat exchanger to be used as a heat exchanger in these conditions.(L?) data: D0=13.8cm Di=12cm K pipe=12w/m.k hi=22w/m^2 k. ho=36w/m^2k CP,hot=2.2 kj/kg.k , CP ,water =1.3 KJ/Kg.k
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter7: Forced Convection Inside Tubes And Ducts
Section: Chapter Questions
Problem 7.14P
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Heat exchangers are the types of equipment that are primarily employed to transfer the thermal energy from one fluid to another, provided that one of the fluids should be at a higher thermal energy content than the other fluid.
Heat Exchanger
The heat exchanger is a combination of two words ''Heat'' and ''Exchanger''. It is a mechanical device that is used to exchange heat energy between two fluids.
Question
The hot akapkan, which enters the inner pipe of a double-pipe exchanger at a speed of 5200 kg/h at 120 °C, is desired to be cooled to 22 "C. In order to cool the hot fluid, the hot fluid is fed tap water at 15 °Dec with a speed of 10780 kg/h between the inner and tooth pipes in the opposite direction. Calculate the length of the double-pipe heat exchanger to be used as a heat exchanger in these conditions.(L?)
data: D0=13.8cm Di=12cm K pipe=12w/m.k hi=22w/m^2 k. ho=36w/m^2k
CP,hot=2.2 kj/kg.k ,
CP ,water =1.3 KJ/Kg.k
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