For the wall construction shown in figure below determine; 1- The oerall heat transfer coefficient for the wall U. 2- Rate of heat transfer through the wall 3- The temperature T3 Take the thickness of inner and outer layers, 150mm and 50mm respectively. T2 h=10w/m²°C To=-10°C Ti=20°C k,=1.6 k,-0.14

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.
Chapter3: Transient Heat Conduction
Section: Chapter Questions
Problem 3.16P: 3.16 A large, 2.54-cm.-thick copper plate is placed between two air streams. The heat transfer...
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Q2: For the wall construction shown in figure below determine;
في الشكل الموضح أدناه احسب:
1- The oerall heat transfer coefficient for the wall U.
2- Rate of heat transfer through the wall
3- The temperature T3
Take the thickness of inner and outer layers, 150mm
and 50mm respectively.
. معامل انتقال الحرارة الكليU
۲. معدل انتقال الحرارة.
۳. درجة الحرارة T3
اتحذ سمك طبقة الجدار الداخلية 150mm
وسمك الطبقة الخارجية 50mm.
T,
T,
T3
h=10w/m²°c
To=-10°c
Ti=20°C
k,=1.6
k=0.14
h,=40w/m²°C
A=1.5m*0.8m
ΔΧ
AX,
Transcribed Image Text:Q2: For the wall construction shown in figure below determine; في الشكل الموضح أدناه احسب: 1- The oerall heat transfer coefficient for the wall U. 2- Rate of heat transfer through the wall 3- The temperature T3 Take the thickness of inner and outer layers, 150mm and 50mm respectively. . معامل انتقال الحرارة الكليU ۲. معدل انتقال الحرارة. ۳. درجة الحرارة T3 اتحذ سمك طبقة الجدار الداخلية 150mm وسمك الطبقة الخارجية 50mm. T, T, T3 h=10w/m²°c To=-10°c Ti=20°C k,=1.6 k=0.14 h,=40w/m²°C A=1.5m*0.8m ΔΧ AX,
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