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Tesponse. Question 2 of 7 Question 2 4 points Save Ar A centrifugal compressor has an...
assessment. Question 7 Question 70 4 points Save Answ A centrifugal compressor running at 16,882 rpm...
assessment. Question 7 Question 70 4 points Save Answ A centrifugal compressor running at 16,882 rpm delivers air with a stagnation pressure ratio of 4. The total-to- total isentropic efficiency is 80%. The stagnation temperature at inlet is 290 K, slip factor 0.9, power input factor 1.04 and Calculate the external diameter of the impeller. DOLL 1 & 0 8 a % *. 5 7 $ 4 # 3 1 6 o T 2 T Y 9 R E T...
Anyone can help me ans Q-5? Question 6 A centrifugal compressor is required to deliver 8...
Anyone can help me ans Q-5?
Question 6 A centrifugal compressor is required to deliver 8 kg/s of air with a stagnation pressure ratio of 4 rotating at 15,000 rpm. The air enters the compressor at 25°C an 1 bar. Assume that the air enters axially with velocity of 145 m/s and the slip factor is 0.89. The compressor isentropic efficiency is 0.89. Calculate: 4 the rise in stagnation temperature а) (6 marks) work input b) (2 marks) c) impeller...
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 =...
Question 3 pre-whirl compresses air and has the following dimensions and data: A centrifugal compressor designed...
Question 3 pre-whirl compresses air and has the following dimensions and data: A centrifugal compressor designed with radial blades and Air radial flow velocity at exit 40 m/s Air tangential flow velocity at exit 96 m/s Slip factor 50 Power input factor 1.02 Flow area at exit 0.09 m Air density 1.5 kg/ms Inlet stagnation temperature 300 K Assume a radial entrance. Determine Final pressure at exit in (KP
Question Completion Status: 1 2 3 4 Question 2 20 points sa A centrifugal compressor impeller...
Question Completion Status: 1 2 3 4 Question 2 20 points sa A centrifugal compressor impeller rotates at -9,456 . If the impeller tip diameter is 934 mm, its blades are radial and 2 - 70°, calculate the following for operation in standard sea level atmospheric conditions 1 = 1, -20°C, find V2.
QUESTION 2 A 30 Watt brake horsepower centrifugal blower rotates at 1200 rpm and delivers air...
QUESTION 2 A 30 Watt brake horsepower centrifugal blower rotates at 1200 rpm and delivers air at 0.4 m3/s. The air enters the impeller radially and exits at an angle ?2-34° from radial. The impeller inlet radius is 40 mm and the outlet radius is 100 mm. Assuming 100% efficiency, determine the net head produced by this blower, the tangential velocity component at the outlet (Ved, the outlet blade width and the exit blade angle (Pa). [Use for air: Pai...
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...
QUESTION 1 A centrifugal water pump has an impeller with ri = 4-in., r2° 10-in., ?...
QUESTION 1 A centrifugal water pump has an impeller with ri = 4-in., r2° 10-in., ? i = 160?, ? 2 = 170 °·The impeller is 1-inch wide at the inlet end and ¾-in. at the outlet. For a speed of 1800 rpm, neglecting losses and vane thickness, determine the discharge (in ft'/sec) for shock-less entry (a 1-90°). 2 points Save Answer QUESTION 2 2 points Save Answer What is the Torque for the previous problem? a. 212 ft #...
C) Axial-flow compressor Answer 3) Specifie speed (0.) for the compressor compressor should selected? application is 0.9. Which of the following type of 52 th Reciprocating compressor B) none of t...
C) Axial-flow compressor Answer 3) Specifie speed (0.) for the compressor compressor should selected? application is 0.9. Which of the following type of 52 th Reciprocating compressor B) none of these A) Centrifug al compressor 1,) compressor D) Centrifugal fan 6) &7) The compressor is tested at sea level on a stationary atmospheric temperature and pressure is design operating point, the mass flow rate through the compr rotational speed is 7000 rpm. Determine the flow compressor is operating at the...
ta Vew Wiadcw Helpr Home Tocls 101 2019.0.Cot QUESTION 9 In a jet engine rotor the high pressure axial compressor ro...
ta Vew Wiadcw Helpr Home Tocls 101 2019.0.Cot QUESTION 9 In a jet engine rotor the high pressure axial compressor rotates at a speed of 15000 rpm. The overall stagnation pressure ratio due to compression is 10.1, it was recorded that the air flows at a rate of 16 kg/s. The stagnation properties at the inlet are 215 kPa and 460K. The poly-tropic efficiency of the compressor is 90%. Assume the mean radius of the compressor is constant and equal...
assessment. Question 7 Question 70 4 points Save Answ A centrifugal compressor running at 16,882 rpm delivers air with a stagnation pressure ratio of 4. The total-to- total isentropic efficiency is 80%. The stagnation temperature at inlet is 290 K, slip factor 0.9, power input factor 1.04 and Calculate the external diameter of the impeller. DOLL 1 & 0 8 a % *. 5 7 $ 4 # 3 1 6 o T 2 T Y 9 R E T...
Anyone can help me ans Q-5?
Question 6 A centrifugal compressor is required to deliver 8 kg/s of air with a stagnation pressure ratio of 4 rotating at 15,000 rpm. The air enters the compressor at 25°C an 1 bar. Assume that the air enters axially with velocity of 145 m/s and the slip factor is 0.89. The compressor isentropic efficiency is 0.89. Calculate: 4 the rise in stagnation temperature а) (6 marks) work input b) (2 marks) c) impeller...
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 =...
Question 3 pre-whirl compresses air and has the following dimensions and data: A centrifugal compressor designed with radial blades and Air radial flow velocity at exit 40 m/s Air tangential flow velocity at exit 96 m/s Slip factor 50 Power input factor 1.02 Flow area at exit 0.09 m Air density 1.5 kg/ms Inlet stagnation temperature 300 K Assume a radial entrance. Determine Final pressure at exit in (KP
Question Completion Status: 1 2 3 4 Question 2 20 points sa A centrifugal compressor impeller rotates at -9,456 . If the impeller tip diameter is 934 mm, its blades are radial and 2 - 70°, calculate the following for operation in standard sea level atmospheric conditions 1 = 1, -20°C, find V2.
QUESTION 2 A 30 Watt brake horsepower centrifugal blower rotates at 1200 rpm and delivers air at 0.4 m3/s. The air enters the impeller radially and exits at an angle ?2-34° from radial. The impeller inlet radius is 40 mm and the outlet radius is 100 mm. Assuming 100% efficiency, determine the net head produced by this blower, the tangential velocity component at the outlet (Ved, the outlet blade width and the exit blade angle (Pa). [Use for air: Pai...
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...
QUESTION 1 A centrifugal water pump has an impeller with ri = 4-in., r2° 10-in., ? i = 160?, ? 2 = 170 °·The impeller is 1-inch wide at the inlet end and ¾-in. at the outlet. For a speed of 1800 rpm, neglecting losses and vane thickness, determine the discharge (in ft'/sec) for shock-less entry (a 1-90°). 2 points Save Answer QUESTION 2 2 points Save Answer What is the Torque for the previous problem? a. 212 ft #...
C) Axial-flow compressor Answer 3) Specifie speed (0.) for the compressor compressor should selected? application is 0.9. Which of the following type of 52 th Reciprocating compressor B) none of these A) Centrifug al compressor 1,) compressor D) Centrifugal fan 6) &7) The compressor is tested at sea level on a stationary atmospheric temperature and pressure is design operating point, the mass flow rate through the compr rotational speed is 7000 rpm. Determine the flow compressor is operating at the...
ta Vew Wiadcw Helpr Home Tocls 101 2019.0.Cot QUESTION 9 In a jet engine rotor the high pressure axial compressor rotates at a speed of 15000 rpm. The overall stagnation pressure ratio due to compression is 10.1, it was recorded that the air flows at a rate of 16 kg/s. The stagnation properties at the inlet are 215 kPa and 460K. The poly-tropic efficiency of the compressor is 90%. Assume the mean radius of the compressor is constant and equal...
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