A circular plate of diameter (2.20 m) is placed some how 1.5 meter above the room floor, if the Raleigh number can be approximated by Ra= 7.653E7*D° and temperature difference between surface and room air temperature is 73 C, air properties: k= 0.0372 W/m.K, Pr 0.686.What is the initial rate of cooling by convection from the Upper surface ONLY (Watts)?
A circular plate of diameter (2.20 m) is placed some how 1.5 meter above the room floor, if the Raleigh number can be approximated by Ra= 7.653E7*D° and temperature difference between surface and room air temperature is 73 C, air properties: k= 0.0372 W/m.K, Pr 0.686.What is the initial rate of cooling by convection from the Upper surface ONLY (Watts)?
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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Transcribed Image Text:A circular plate of diameter (2.20 m) is placed some how 1.5 meter above the room floor,
if the Raleigh number can be approximated by Ra=7.653E7*D and temperature
difference between surface and room air temperature is 73 C, air properties: k=
0.0372 W/m.K, Pr = 0.686.What is the initial rate of cooling by convection from the
Upper surface ONLY (Watts)?
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