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A double-glazed window consists of two sheets of glass

Introduction to Heat Transfer | 6th Edition | ISBN: 9780470501962 | Authors: Theodore L. Bergman ISBN: 9780470501962 111

Solution for problem 4.22 Chapter 4

Introduction to Heat Transfer | 6th Edition

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Introduction to Heat Transfer | 6th Edition | ISBN: 9780470501962 | Authors: Theodore L. Bergman

Introduction to Heat Transfer | 6th Edition

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Problem 4.22

A double-glazed window consists of two sheets of glass separated by an L 0.2-mm-thick gap. The gap is evacuated, eliminating conduction and convection across the gap. Small cylindrical pillars, each L 0.2 mm long and D 0.15 mm in diameter, are inserted between the glass sheets to ensure that the glass does not break due to stresses imposed by the pressure difference across each glass sheet. A contact resistance of R t,c 1.5 106m2 K/W exists between the pillar and the sheet. For nominal glass temperatures of T1 20C and T2 10C, determine the conduction heat transfer through an individual stainless steel pillar. 4.2

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Chapter 4, Problem 4.22 is Solved
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Textbook: Introduction to Heat Transfer
Edition: 6
Author: Theodore L. Bergman
ISBN: 9780470501962

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A double-glazed window consists of two sheets of glass