Chapter 7, Problem 7.107P

There are required 2000 kW of compressor power to handle air adiabaticallyfrom 1 atmosphere, 27 oC, to 305 kPaa. The initial air velocity is 20 m/s and the finalvelocity is 85 m/s. a) If the compression is isentropic, find the compressor capacity, inm3/s. b) If the compression process is irreversible adiabatic to a temperature of 160 oC,with the capacity found in c), determine the compressor power input, in Hp.

The power required for the compressor, to handle air adiabatically from 101.325kPaa and 300 °K to 305 kPaa, 2550 Hp. The inlet velocity is 21 m/s and the dischargevelocity of air is 85 m/s. a) If the process is isentropic, find the volume of air handles,in lps, measured at inlet conditions. b) If the compression is irreversible adiabatic totemperature 157.5 °C, with the capacity obtained in a), find the power input.

If air enters the adiabatic turbine at 227 degree C and 1500kpa. Final pressure would reach 100kpa, and efficiency of turbine at 85%. What is final temperature and final work? Cv is 0.719kJ/kg.K, cp is 1.007kj/kg.k. Pls sketch two processes of T-S diagram

2.A steam throttling valve with inlet conditions of 3MPA and 500C is connected to the inlet of the turbine. The turbine has 800kW power output and heat absorbed of 500kw. If the mass flow rate is 1kg/s and the exit temperature of steam is 400C, find the exit turbine pressure. (

A turbine receives steam at 10 MPa, 6000C and exhaust it at 0.2 MPa. (a) for the ideal Rankine engine, determine the work, steam rate, thermal efficiency, and means effective pressure. (b) for the actual engine,the brake engine efficiency is 84%; the driven generator efficiency is 93% and the rated output of the generator is 30 MW. Estimate the enthalpy ang quality (or temperature) of the exhaust..Compute the combined work, combined heat rate, and the total throttle flow for the rated power. Don't answer the given problem, just give me the schematic diagram andT-S diagram of the given problem

A turboprop engine consist of a diffuser, compresser, combaster, turbine and nozzle. the turbine druves a propeller as well as the compressor. air enters the diffuser with a volumetric flow rate of 83.7m3 /s at 40KPa, 240K and a velocity of 180m/s, and decelerate essentially to zero velocity.the compressor ratio is 10 and the compressor has an isentropic efficiency is 85%.the tuebine inlet temperature id 1140K, and it's isentropic efficiency is 85%. the turbine exit pressure is 50kPa. flow through the diffuser and the nozzle is isentropic. sketch the process on the T-s diagram and using an air standard analysis, determine  i. the power delivered to the propeller, in MW ii. the velocity at the nozzle exit, in m/s

A steam turbine inlet is at 1200 kPa, 500 ℃. The actual exit is at 300 ℃ with an actual work of 476 kJ/kg. What is its second law efficiency, ηII=Wac/Wrev?

A pump operates between 100kPa and 10MPA. If the mass flow rate of the pump is 20.8 kg/s, and the isentropic efficiency is 92%, find the required pump power, in hp. Note that 1kW = 0.746hp. %3D

None