Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 05 Jan 2018 My Price 8.00

iron platen

A hot fluid passes through circular channels of a cast iron platen (A) of thickness LA = 30 mm which is in poor contact with the cover plates (B) of thickness LB = 7.5 mm. The channels are of diameter D =15 mm with a centerline spacing of Lo = 60 mm. The thermal conductivities of the materials are kA = 20 W/m ∙ K and kB = 75 W/m ∙ K, while the contact resistance between the two materials is  The shape factor between one channel and the platen top and bottom surfaces is 4.25.

 

(a) Determine the heat rate from a single channel per unit length of the platen normal to the page, q’i. (b) Determine the outer surface temperature of the cover plate, Ts.

(c) Comment on the effects that changing the centerline spacing will have on q’i and Ts. How would insulating the lower surface affect q’i and Ts?

Answers

Maurice Tutor
(5)
Status NEW Posted 05 Jan 2018 01:01 PM My Price 8.00

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