IT KING

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Teaching Since: Apr 2017
Last Sign in: 453 Weeks Ago, 4 Days Ago
Questions Answered: 402
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Education

  • MSC,MBA(IT)
    Standford
    Jun-1997 - Sep-2000

Experience

  • IT Manager
    Honeywell
    Aug-2001 - Present

Category > Applied Sciences Posted 07 May 2017 My Price 7.00

Air is cooled as it flows

Air is cooled as it flows without friction at a rate of 0.05 kg/s in a duct. At point CD the
conditions are M\ = 0.5, 7, = 500°C, and p, = 500 kPa (abs). Downstream, at point
©, the conditions are M2 = 0.2, T2 = -18.57°C, and p2 = 639.2 kPa (abs). (Four
significant figures are given to minimize roundoff errors.) Compare the stagnation '
temperatures at points CD and (2), and explain the result. Compute the rate of cooling.
Compute the stagnation pressures at points CD and © . Should this process be isentropic
or not? Justify your answer by computing the change in entropy between points
CD and (2). Plot static and stagnation state points on a Ts diagram.

Answers

IT KING
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Status NEW Posted 07 May 2017 11:05 AM My Price 7.00

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