Maurice Tutor

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Category > Computer Science Posted 27 Jul 2017 My Price 3.00

spherical workpiece of pure copper

 

 

 

A spherical workpiece of pure copper with a diameter of 15 mm and an emissivity of 0.5 is suspended in a large furnace with walls at a uniform temperature of 600°C. Air flows over the workpiece at a temperature of 900C and a velocity of 7.5 m/s.

(a) Determine the steady-state temperature of the workpiece.

(b) Estimate the time required for the workpiece to come within 5°C of the steady-state temperature if it is at an initial, uniform temperature of 25°C.

Answers

Maurice Tutor
(5)
Status NEW Posted 27 Jul 2017 02:07 PM My Price 3.00

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