Question
Ten kilograms per second of air is flowing in an adiabatic system. At one section the pressure is 2.0 10 5 N/m 2 ,
Ten kilograms per second of air is flowing in an adiabatic system. At one section the pressure is 2.0 × 10 5 N/m 2 , the temperature is 650°C, and the area is 50 cm 2 . At a downstream section M 2 =1.2.
(a) Sketch the general shape of the system.
(b) Find A 2 if the flow is frictionless.
(c) Find A 2 if there is an entropy change between these two sections of 42 J/kg-K.
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Thermodynamics for Engineers
Authors: Kenneth A. Kroos, Merle C. Potter
1st edition
1133112862, 978-113311286
