Consider frictionless flow of air in a constant-area
duct. At section 1 , M1 5 0.50, p1 5 1.10 MPa (abs), and
*These problems require material from sections that may be omitted without loss of continuity in the text material.
780 Chapter 13 Compressible Flow
T01 5 333 K. Through the effect of heat exchange, the Mach
number at section 2 is M2 5 0.90 and the stagnation temperature is T02 5 478 K. Determine the amount of heat
exchange per unit mass to or from the fluid between sections
1 and 2 and the pressure difference, p1 2 p2.