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9.19 A 0.4-m-diam rotor of a centrifugal compressor for air is needed to produce a pressure...
QUESTION 1 A centrifugal compressor delivers 10 kg/s with total pressure rise of 5:1, and operates...
QUESTION 1 A centrifugal compressor delivers 10 kg/s with total pressure rise of 5:1, and operates at a speed of 15000 rpm. The inlet conditions are 1 bar, 27 °C and 140 m/s. Assume slip factor =0.92, isentropic efficiency = 0.81 match the correct answer for the following: - The rise in total temperature in K - The speed of the compressor Uz in m/s - Blade tip diameter in mm - The power to drive the compressor in kW...
An air refrigeration plant of 70.26 kW, capacity comprises a centrifugal compressor, a cooler hea...
An air refrigeration plant of 70.26 kW, capacity comprises a centrifugal compressor, a cooler heat exchanger and an air turbine. The compressor is coupled directly to the air turbine. The compressor also receives power from another prime mover. The processes in the compressor and the turbine are adiabatic but not isentropic. Air at temperature 294 K and 85 kPa enters the compressor. It leaves the compressor at 363 K. the same air enters the turbine at 311 K and 150...
A medium-size centrifugal air compressor has 32 radial blades and the inlet vanes allow air suction...
A medium-size centrifugal air compressor has 32 radial blades and the inlet vanes allow air suction with no pre. whirl. The rotor speed is 7800 rpm and the tip radius is r2 = 0.25 m. Air is sucked in at a static temperature T1 = 305 K with an absolute velocity V1 = 80 m/s and a mass flow rate of 1.65 kg/s. The total-to total efficiency of the compressor is 80% and the power input factor is w =...
A one stage axial air compressor consists of a rotor and a stator, it has a...
A one stage axial air compressor consists of a rotor and a stator, it has a mean diameter of Im for the rotor and a rotational speed of 7645 RPM. Furthermore: Mass flow rate is 50 kg/s .Inlet static temperature and pressure of Ti 276 K and Pi 85 kPa. .Inlet stagnation temperature and pressure of Toi 290 K and Poi 101.3 kPa. .Inlet absolute velocity C1 166.5 m/s Rotor exit static density (p2) equals to 1.3kg/m3 Axial component of...
NGINEERI 13. A centrifugal compressor (not a piston type) compresses the air from the ambient condition at T, 300K and Pi 1 bar to P 10 bar following three different, standalone paths: isentropic,...
NGINEERI 13. A centrifugal compressor (not a piston type) compresses the air from the ambient condition at T, 300K and Pi 1 bar to P 10 bar following three different, standalone paths: isentropic, reversible isothermal, and an irreversible adiabatic process, respectively. (Note: These processes are not sequential processes; rather each of them is an independent, standalone p They all start at the same initial condition at state 1, but they end at different state 2.) The mass flow rate is...
QUESTION 1 A centrifugal compressor delivers 10 kg/s with total pressure rise of 5:1, and operates at a speed of 15000 rpm. The inlet conditions are 1 bar, 27 °C and 140 m/s. Assume slip factor =0.92, isentropic efficiency = 0.81 match the correct answer for the following: - The rise in total temperature in K - The speed of the compressor Uz in m/s - Blade tip diameter in mm - The power to drive the compressor in kW...
A medium-size centrifugal air compressor has 32 radial blades and the inlet vanes allow air suction with no pre. whirl. The rotor speed is 7800 rpm and the tip radius is r2 = 0.25 m. Air is sucked in at a static temperature T1 = 305 K with an absolute velocity V1 = 80 m/s and a mass flow rate of 1.65 kg/s. The total-to total efficiency of the compressor is 80% and the power input factor is w =...
A one stage axial air compressor consists of a rotor and a stator, it has a mean diameter of Im for the rotor and a rotational speed of 7645 RPM. Furthermore: Mass flow rate is 50 kg/s .Inlet static temperature and pressure of Ti 276 K and Pi 85 kPa. .Inlet stagnation temperature and pressure of Toi 290 K and Poi 101.3 kPa. .Inlet absolute velocity C1 166.5 m/s Rotor exit static density (p2) equals to 1.3kg/m3 Axial component of...
NGINEERI 13. A centrifugal compressor (not a piston type) compresses the air from the ambient condition at T, 300K and Pi 1 bar to P 10 bar following three different, standalone paths: isentropic, reversible isothermal, and an irreversible adiabatic process, respectively. (Note: These processes are not sequential processes; rather each of them is an independent, standalone p They all start at the same initial condition at state 1, but they end at different state 2.) The mass flow rate is...
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