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Thermodynamics - First Law (T-fitting)

  1. Nov 16, 2006 #1
    Hey guys, I am having a problem trying to figure out what this question is asking for:

    The air flow in a compressed air line is divided into two equal streams by a T-fitting in the line. The compressed air enters the 2.5cm diameter fitting at 1.6 MPa and 40 deg C with a velocity of 50 m/s. Each outlet has the same diameter as the inlet and the air at these outlets have a pressure of 1.4 MPa and temperature of 36 deg C. Determine the velocity of the air at the outlet and the rate of change of flow energy across the T-fitting.

    I was able to figure out the velocities at the outlets but did not understand the rate of change of flow energy. If somebody could help me out, it would be great.
     
  2. jcsd
  3. Nov 21, 2006 #2
    The problem obviously says first law, I believe you did not use the first law to find the velocities yeah? So try applying the first law. What variables are unknown? What is delta h?
     
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