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CHEE 3321, Feb 5, 2013 (vid)

# heattransferareaofthecoilisproportionaltothe

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Unformatted text preview: t#streams#are# identical.# • Heat#transfer#area#of#the#coil#is#proportional#to#the# weight#of#the#liquid#in#the#tank.# • There#is#no#heat#loss#from#the#surface#of#the#liquid#or#the# walls#of#the#tank.# • The#tank#walls#and#internals#have#no#thermal# capacitance,#so#they#are#always#at#the#same#temperature# as#the#fluid.# # Energy#Balance# # # # # # # # # # Note:#This#balance#is#taken#at#any#time#t#assuming#there#is#a# volume#V#of#fluid#in#tank#as#well#as#flow#in#and#out.# # # # # Notation# # • ρ#=#density#of#fluid# • V#=#volume#of#fluid#in#tank# • CP#=#heat#capacity#of#fluid# • T#=#temperature#of#fluid#in#tank# • Ti#=#inlet#temperature#of#flowing#fluid# • Fi#=#inlet#fluid#mass#flow#rate# • F#=#outlet#fluid#mass#flow#rate# • Tc#=#temperature#of#steam#and#condensate#in#coil# • T0#=#reference#temperature# • U#=#overall#heat#transfer#coefficien...
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