Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
5th Edition
ISBN: 9781305084766
Author: Saeed Moaveni
Publisher: Cengage Learning
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Chapter 11, Problem 44P
To determine

Find the heat-transfer rate through the door.

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Calculate the total heat loss from a house measures L×w in plan. The height of walls is H. The house has front and bake external doors, the area of each door is A1m2, and four glass windows with total area of A2m2 the U-value of building elements as the following:  Assume the specific heat capacity of air is CpJ/m3I and the air is changed once per hour.  The design internal temperature is T1°C and external temperature is T2°C. Assume the value of N as 0.6. Where  Qf =Σ (U×A×ΔT) watt Qv= (Cv×N×V×ΔT)÷3600 watt
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Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)

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