How do you explain the entropy change

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Reference no: EM131163857

Air, assumed to be a perfect gas from Table A.4, flows through a long, 2-cm-diameter insulated tube. At section 1, the pressure 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;

(d) the change in entropy between 1 and 2.

(e) How do you explain the entropy change?

Reference no: EM131163857

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