a) Find the actual and isentropic temperature of the exit from the 1st stage. b) Find the actual and isentropic temperatures of the exit temperatures from the 2nd stage. c) Find the real and isentropic work consumed in Stage 2.

a) Find the actual and isentropic temperature of the exit from the 1st stage. b) Find the actual and isentropic temperatures of the exit temperatures from the 2nd stage. c) Find the real and isentropic work consumed in Stage 2.

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter1: Heat, Temperature, And Pressure

Section: Chapter Questions

Problem 17RQ: Convert 22C to Fahrenheit.

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Question

In a three-stage compressor, the pressure ratio in each stage is equal and its value is 1.3, the first inlet temperature to stage 300K, outlet pressure from first stage 1000mmHg, , Polytropic yield 0.92. m C1 C2 = C2s C3 C3s = 500 "It s Isentropic exponent=1.4, coefficient of heating heat under constant pressure= 1005 kgK' your mercury density= 13550 and gravitational acceleration= 9.81 m3 m3

a) Find the actual and isentropic temperature of the exit from the 1st stage.

b) Find the actual and isentropic temperatures of the exit temperatures from the 2nd stage.

c) Find the real and isentropic work consumed in Stage 2.

d) Put the available data and your calculations in the compressor (h-s) diagram.

3) Üç kademeli bir kompresörde, her kademede basınç oranı eşit ve değeri 1.3, birinci
kademeye giriş sıcaklığı 300K, birinci kademeden çıkış basıncı 1000mmHg, , Politropik
verim 0.92.
т
C1 = C2 = C25 = C3 = C35 = 500-
İzentropik üs=1.4, sabit basınç altında ısınma isisı katsayısı= 1005-
kg-K'
civanın
kg
m3
m
yoğunluğu= 13550 ve yerçekimi ivmesi= 9.81
a) 1. kademeden çıkış gerçek ve izentropik sıcaklığı bulunuz.
b) 2. Kademeden çıkış sıcaklıklarını gerçek ve izentropik sıcaklılığı bulunuz.
c) 2. Kademede harcanan gerçek ve izentropik işini bulunuz.
d) Eldeki verileri ve hesapladıklarınızı kompresör (h-s) diyagramında yerleştiriniz

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