A room window measure (3 m²) constructed of glass with overall heat transfer coefficient of (4 W/m?. °C). The inside design condition of room is ( 22 °C dbt and 50% RH) while the outside temp equals -7 °C. Determine; a) The inside glass surface temp b) Will moister condense on this window c) Select different glass type to prevent the vapoure condense over glass

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.
Chapter2: Steady Heat Conduction
Section: Chapter Questions
Problem 2.17P
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A room window measure (3 m?) constructed of glass with overall heat
transfer coefficient of (4 W/m². °C). The inside design condition of room is
( 22 °C dbt and 50% RH) while the outside temp equals -7 °C.
Determine;
a) The inside glass surface temp
b) Will moister condense on this window
c) Select different glass type to prevent the vapoure condense over glass
( try to use two layers of glass with inside air gap (homemade) heat transfer
coefficient for 6 mm at still layer (between two glass h=5.8 W/m2. °C))
Transcribed Image Text:A room window measure (3 m?) constructed of glass with overall heat transfer coefficient of (4 W/m². °C). The inside design condition of room is ( 22 °C dbt and 50% RH) while the outside temp equals -7 °C. Determine; a) The inside glass surface temp b) Will moister condense on this window c) Select different glass type to prevent the vapoure condense over glass ( try to use two layers of glass with inside air gap (homemade) heat transfer coefficient for 6 mm at still layer (between two glass h=5.8 W/m2. °C))
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