Maurice Tutor

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Teaching Since: May 2017
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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 17 Oct 2017 My Price 4.00

thermophysical properties

A 200-mm-square, 10-mm-thick tile has the thermophysical properties of Pyrex (ε = 0.80) and emerges from a curing process at an initial temperature of Ti = 140°C. The backside of the tile is insulated while the upper surface is exposed to ambient air and surroundings at 25°C.

(a) Estimate the time required for the tile to cool to a final, safe-to-touch temperature of Tf = 40°C. Use an average tile surface temperature of  = (Ti + Tf)/2 to estimate the average free convection coefficient and the linearized radiation coefficient. How sensitive is your estimate to the assumed value for ?

(b) Estimate the required cooling time if ambient air is blown in parallel flow over the tile with a velocity of 10 m/s.

Answers

Maurice Tutor
(5)
Status NEW Posted 17 Oct 2017 11:10 AM My Price 4.00

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