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mass flow rate 15 kh/s
DATA: Mass Flow Rate 15 kg/s Inlet Stagnation Pressure = 1013...
Q2) an axial compressor takes air axially (no swirl) from ambient at a total temperature of 27° a...
Q2) an axial compressor takes air axially (no swirl) from ambient at a total temperature of 27° and atmospheric pressure (tota of 101.3 kPa. The air is compressed to a total pressure of 121.56 kPa. The blade hub radius is 28 cm and the flow area is 0.1 m2. The shaft speed is 7000 rpm. The rotor turns the relative flow velocity 15°. The inlet relative flow angle is-60°. Determine (a) the mean radius (b) the relative and absolute velocity...
Consider the flow of combustion gases, withyand R 287 J/(kg K), through a normal turbine stage (G-constant, αι α3.rn-constant), such that the flow angle at the exit of the rotor is the same as...
Consider the flow of combustion gases, withyand R 287 J/(kg K), through a normal turbine stage (G-constant, αι α3.rn-constant), such that the flow angle at the exit of the rotor is the same as that entering the stator, and q a,- 3 14.4o. The inlet total temperature is To1 1200K. The axial velocity is constant cx- 280 m/s. The flow leaves the stator at angle α2 = 57.70. The mean radius of the rotor sr 17 cm, and the rotor...
A high-pressure axial compressor for a jet engine rotates at 15,000 rpm with an overall stagnation...
A high-pressure axial compressor for a jet engine rotates at 15,000 rpm with an overall stagnation pressure ratio of 8.5. The mass flow rate of air through the compressor is 16 kg/s and the stagnation conditions at inlet are 200 kPa and 450 K. The polytropic efficiency is 91%. a. If the mean radius is 0.24 m and this is constant throughout the compressor, calculate the total-to-total isentropic efficiency of the compressor and show that, for the stage loading to...
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...
The axial flow steam turbine rotor shown in Fig. P12.69 has a blade outer radius RO 2.40 ft, a blade inner radius Ri 2.00 ft, a steam inlet pressure p1 200 psia, a steam inlet density p1- 0.296 lbm/t...
The axial flow steam turbine rotor shown in Fig. P12.69 has a blade outer radius RO 2.40 ft, a blade inner radius Ri 2.00 ft, a steam inlet pressure p1 200 psia, a steam inlet density p1- 0.296 lbm/t3, and an inlet absolute velocity V1 1000 f/s making an angle of 70° with the axial direction. The steam outlet pressure p2 50 psia and outlet density is 0.1014 Ibm/t3. B2 40 The rotor rotates at 3600 rpm. Using a blade...
An axial flow compressor stage is downstream of an IGV that turns the flow 15° in...
An axial flow compressor stage is downstream of an IGV that turns the flow 15° in the direction of the rotor rotation, as shown in figure 1. The axial velocity component remains constant throughout the stage at Cz = 150 M/S. The rotor rotational speed w = 3000 rpm and the pitchline radius is rm=0.5 m. The rotor relative exit flow angle is B2=-15°. The static temperature and pressure of air upstream of the rotor are T1 = 20°C and...
Steam enters a rotor of an axial turbine with an absolute velocity V1 320 m/s at...
Steam enters a rotor of an axial turbine with an absolute velocity V1 320 m/s at an angle = 73°. The axial velocity remains constant. The blade speed is U 165 m/s. The rotor blades are equiangular so that. Draw the velocity triangles. Find 1) the runner velocity (take runner diameter to be 1.12 m) 2) Inlet axial absolute velocity 3) Inlet tangential absolute velocity ative velocity 5) the relative flow angle 2814 rpm b. 2019 rpm c. 1970 rpm...
(a) How does the pressure and velocity vary from the inlet to outlet of a reaction...
(a) How does the pressure and velocity vary from the inlet to outlet of a reaction steam turbine? Describe with the help of suitable diagram. (2 marks) (b) In a steam power plant, the mean diameter of steam turbine blades is 50 cm and speed of the wheel is 10000 RPM. The nozzle angle at inlet (a) is 21°. The loss of velocity in blades is 10% and blades are symmetrical. The blade speed ratio (p) = 0.42. Determine (1)...
Problem 10.4 aircraft propulsion farokhi A turbine stage is designed with a constant axial velocity of...
Problem 10.4 aircraft propulsion farokhi
A turbine stage is designed with a constant axial velocity of
250 m/s and zero exit swirl. For a rotor rotational speed Um at the
pitchline of 600 m/s. Calculate and comment on your results
a) the nozzle exit flow angle, ?2 in degrees for ◦Rm = 0.50
b) the nozzle exit flow angle, ?2 in degrees for ◦Rm = 0.0
c) the rotor specific work at the pitchline radius, for ◦Rm =
0.50 and...
please solve 5(b) and 6 (a and b) fluid machinery b)An inward flow reaction turbine works under a head of 100m. The inlet and outlet diameters of the runner are 1.2 m and 0.6 m, respectively. The...
please solve 5(b) and 6 (a and b) fluid machinery
b)An inward flow reaction turbine works under a head of 100m. The inlet and outlet diameters of the runner are 1.2 m and 0.6 m, respectively. The width of the runner is 150 mm, which is constant throughout. The velocity of flow at the outlet is 6 m/s. The blade angle at the outlet is 15. The hydraulic efficiency is 0.9. Calculate the following: ) The speed of the Turbine...
Q2) an axial compressor takes air axially (no swirl) from ambient at a total temperature of 27° and atmospheric pressure (tota of 101.3 kPa. The air is compressed to a total pressure of 121.56 kPa. The blade hub radius is 28 cm and the flow area is 0.1 m2. The shaft speed is 7000 rpm. The rotor turns the relative flow velocity 15°. The inlet relative flow angle is-60°. Determine (a) the mean radius (b) the relative and absolute velocity...
Consider the flow of combustion gases, withyand R 287 J/(kg K), through a normal turbine stage (G-constant, αι α3.rn-constant), such that the flow angle at the exit of the rotor is the same as that entering the stator, and q a,- 3 14.4o. The inlet total temperature is To1 1200K. The axial velocity is constant cx- 280 m/s. The flow leaves the stator at angle α2 = 57.70. The mean radius of the rotor sr 17 cm, and the rotor...
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...
The axial flow steam turbine rotor shown in Fig. P12.69 has a blade outer radius RO 2.40 ft, a blade inner radius Ri 2.00 ft, a steam inlet pressure p1 200 psia, a steam inlet density p1- 0.296 lbm/t3, and an inlet absolute velocity V1 1000 f/s making an angle of 70° with the axial direction. The steam outlet pressure p2 50 psia and outlet density is 0.1014 Ibm/t3. B2 40 The rotor rotates at 3600 rpm. Using a blade...
An axial flow compressor stage is downstream of an IGV that turns the flow 15° in the direction of the rotor rotation, as shown in figure 1. The axial velocity component remains constant throughout the stage at Cz = 150 M/S. The rotor rotational speed w = 3000 rpm and the pitchline radius is rm=0.5 m. The rotor relative exit flow angle is B2=-15°. The static temperature and pressure of air upstream of the rotor are T1 = 20°C and...
Steam enters a rotor of an axial turbine with an absolute velocity V1 320 m/s at an angle = 73°. The axial velocity remains constant. The blade speed is U 165 m/s. The rotor blades are equiangular so that. Draw the velocity triangles. Find 1) the runner velocity (take runner diameter to be 1.12 m) 2) Inlet axial absolute velocity 3) Inlet tangential absolute velocity ative velocity 5) the relative flow angle 2814 rpm b. 2019 rpm c. 1970 rpm...
(a) How does the pressure and velocity vary from the inlet to outlet of a reaction steam turbine? Describe with the help of suitable diagram. (2 marks) (b) In a steam power plant, the mean diameter of steam turbine blades is 50 cm and speed of the wheel is 10000 RPM. The nozzle angle at inlet (a) is 21°. The loss of velocity in blades is 10% and blades are symmetrical. The blade speed ratio (p) = 0.42. Determine (1)...
Problem 10.4 aircraft propulsion farokhi
A turbine stage is designed with a constant axial velocity of
250 m/s and zero exit swirl. For a rotor rotational speed Um at the
pitchline of 600 m/s. Calculate and comment on your results
a) the nozzle exit flow angle, ?2 in degrees for ◦Rm = 0.50
b) the nozzle exit flow angle, ?2 in degrees for ◦Rm = 0.0
c) the rotor specific work at the pitchline radius, for ◦Rm =
0.50 and...
please solve 5(b) and 6 (a and b) fluid machinery
b)An inward flow reaction turbine works under a head of 100m. The inlet and outlet diameters of the runner are 1.2 m and 0.6 m, respectively. The width of the runner is 150 mm, which is constant throughout. The velocity of flow at the outlet is 6 m/s. The blade angle at the outlet is 15. The hydraulic efficiency is 0.9. Calculate the following: ) The speed of the Turbine...
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