Maurice Tutor

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Algebra,Applied Sciences,Biology,Calculus,Chemistry,Economics,English,Essay writing,Geography,Geology,Health & Medical,Physics,Science Hide all
Teaching Since: May 2017
Last Sign in: 409 Weeks Ago, 1 Day Ago
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Education

  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 27 Oct 2017 My Price 5.00

eccentric cylindrical shell

4.19   Hot water at 85 C ows through a thin-walled copper tube of 30-mm diameter. The tube is enclosed by an eccentric cylindrical shell that is maintained at 35 C and has a diameter of 120 mm. The eccentricity, defined as the separation between the centers of the tube and shell, is 20 mm. The space between the tube and shell is filled with an insulating material having a thermal conductiv- ity of 0.05 W/m · K. Calculate the heat loss per unit length of the tube, and compare the result with the heat loss for a concentric arrangement.

4.20   A furnace of cubical shape, with external dimensions of

0.35 m, is constructed from a refractory brick (fireclay). If the wall thickness is 50 mm, the inner surface tem- perature is 600 C, and the outer surface temperature is 75 C, calculate the heat loss from the furnace.

Answers

Maurice Tutor
(5)
Status NEW Posted 27 Oct 2017 04:10 PM My Price 5.00

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