Answered: A computer, cooled by a fan, contains…

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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Question

A computer, cooled by a fan, contains
eight printed circuit boards, dissipating 10 W of
power each one. The height of the cards is 12 cm and their
length is 18cm. The cooling air is supplied by a
25W fan mounted in the inlet. If the increase of
air temperature should not be higher than 10 ° C when passing through
the computer case, determine (a) the air flow rate
that the fan must deliver and b) the fraction of increase of
air temperature, due to heat generated by the fan
and its engine.

Salida
de aire
Entrada
TCI, 10 W
de aire
10000
JOOOOL

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