63. 5.8. Two venturi meters are installed in a 30-cm-diameter duct that is insulated (Figure P5.8). The conditions are such that sonic flow exists at each throat (i.e., Mi = M4 = 1.0). Although each...

Extracted text: 63. 5.8. Two venturi meters are installed in a 30-cm-diameter duct that is insulated (Figure P5.8). The conditions are such that sonic flow exists at each throat (i.e., Mi = M4 = 1.0). Although each venturi is isentropic, the connecting duct has friction and hence losses exist between sections 2 and 3. pi 3 bar abs. and p4= 2.5 bar abs. If the diameter at section 1 is 15 cm and the fluid is air: (a) Compute As for the connecting duct. (b) Find the diameter at section 4. 19/19 Figure P5.8 ... ...