12) Derive the equations for Heat Energy (q) base on HEATER-HUMIDIFYER system below using the basic concept of Steady Flow Energy Equation considering AKE & APE are negligible. mal hl WI Heating Coil Dry air q Fine water spray Spray eliminators Humidified air >>>>>>>>>>>> ma2 h2 W2

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Chapter5: Analysis Of Convection Heat Transfer
Section: Chapter Questions
Problem 5.12P
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12) Derive the equations for Heat Energy (q) base on HEATER-HUMIDIFYER
system below
using the basic concept of Steady Flow Energy Equation considering AKE & APE are
negligible.
mal
hl
WI
Heating Coil
Dry
air
q
Pump
(Wp ~ nil)
Fine water spray
ms
hs
ww
ma1 = ma2
Spray
eliminators
Humidified
air
Law of Conservation of Mass & Energy
Water supply
controlled by
float valve
₁<<<<<<
= ma
ma2
h2
W2
q=ma (h2 -h1) -ms hf water is use to humidify
note:
q=ma (h2-h1) -ms hg steam is use to humidify
ms = ma (W2-W1)
Transcribed Image Text:12) Derive the equations for Heat Energy (q) base on HEATER-HUMIDIFYER system below using the basic concept of Steady Flow Energy Equation considering AKE & APE are negligible. mal hl WI Heating Coil Dry air q Pump (Wp ~ nil) Fine water spray ms hs ww ma1 = ma2 Spray eliminators Humidified air Law of Conservation of Mass & Energy Water supply controlled by float valve ₁<<<<<< = ma ma2 h2 W2 q=ma (h2 -h1) -ms hf water is use to humidify note: q=ma (h2-h1) -ms hg steam is use to humidify ms = ma (W2-W1)
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