Air assumed to be a perfect gas flows through a long

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Air, assumed to be a perfect gas flows through a long, 2-cm-diameter insulated tube. At section 1, the pessure is 1.1 MPa and the temperature is 345 K. At section 2, 67 meters further downstream, the density is 1.34 kg/m3, the temperature 298 K, and the Mach number is 0.90. For one-dimensional flow, calculate (a) the mass flow, (b)p2 ; (c)V2 , (d) the change in entropy between 1 and 2. (e) How do you explain the entropy change?

Reference no: EM13630207

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