A grandmother is concerned about reducing her winter heating bills. Her strategy is to loosely fit rigid polystyrene sheets of insulation over her double-pane windows right after the first freezing weather arrives. Identify the relevant heat transfer processes on a cold winter night when the foamed insulation sheet is placed: (a) on the inner surface, and (13) 3 (b) on the outer surface of her window.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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A grandmother is concerned about reducing her winter heating bills. Her strategy is
to loosely fit rigid polystyrene sheets of insulation over her double-pane windows right
after the first freezing weather arrives. Identify the relevant heat transfer processes on a
cold winter night when the foamed insulation sheet is placed:
(a) on the inner surface, and (13)
3
(b) on the outer surface of her window. 

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