Consider convective cooling of a two-dimensional streamlined strut. Rather than conducting expensive experiments involving pressurized hydrogen, an engineer proposes to take advantage of similarity by performing wind tunnel experiments using air at atmospheric pressure with T∞=23°C. The rate of heat loss per unit object length is ???? ′ =50 ?
Consider convective cooling of a two-dimensional streamlined strut. Rather than conducting expensive experiments involving pressurized hydrogen, an engineer proposes to take advantage of similarity by performing wind tunnel experiments using air at atmospheric pressure with T∞=23°C. The rate of heat loss per unit object length is ???? ′ =50 ?
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Consider convective cooling of a two-dimensional streamlined strut. Rather than
conducting expensive experiments involving pressurized hydrogen, an engineer
proposes to take advantage of similarity by performing wind tunnel experiments using
air at atmospheric pressure with T∞=23°C. The rate of heat loss per unit object length is
????
′ =50 ?
?
.
Determine the required air velocity in the wind tunnel experiment VAir and the average
convective heat transfer coefficient in the hydrogen ℎ̅H2
Transcribed Image Text:3. Consider convective cooling of a two-dimensional streamlined strut. Rather than
conducting expensive experiments involving pressurized hydrogen, an engineer
proposes to take advantage of similarity by performing wind tunnel experiments using
air at atmospheric pressure with T=23°C. The rate of heat loss per unit object length is
q'air=50"
P 2 atm
-T- 30°C
P l atm
Y-23°C
V, -81 m
-15C
P-150 mm
, 40 mm
La60 mm
Case 1 Hydrogen
Determine the required air velocity in the wind tunnel experiment Vair and the average
the hydrogen huz.
convective heat transfer coefficient
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