Heating Ventilating and Air Conditioning: Analysis and Design
6th Edition
ISBN: 9780471470151
Author: Faye C. McQuiston, Jeffrey D. Spitler, Jerald D. Parker
Publisher: Wiley, John & Sons, Incorporated
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Textbook Question
Chapter 1, Problem 1.15P
Repeat Problem 1-10 for air at 10 C, a tube with diameter 25 mm, a stream pressure of 101 kPa, and a tube length of 4 m, and find the heat transfer coefficient in SI units if the heat transfer rate is 1250 W.
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Q2:-
A sphere made of pure copper, which is 13 mm in diameter, is 70 °C (at
t=0) when it inserted into a gas having a temperature of 25 °C. After 65
s the temperature of the sphere reach 60 °C. Make the appropriate
assumption to find the heat transfer coefficient of the gas. What is the
temperature of the sphere after 80 s.
(A;=TT D2, V= TT D³/6, Lc=V/ A,)
Answer this ASAP
The diameter of the tube is 25 mm.
The specific heat of water is 4.18 kJ/kg.°C.
The overall heat transfer coefficient is 0.7 kW/m².°C.
1. Schematic of temperature distribution
2.ΔTLMTD
3.Actual heat transfer rate
4.Cmin
5.Maximum heat transfer rate
Chapter 1 Solutions
Heating Ventilating and Air Conditioning: Analysis and Design
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