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Q2 Figure 2.1 shows the velocity diagram for an axial turbine stage. The turbine rotor blade...
TQi The rotor and stator rows arrangement of an axial compressor stage and their general velocity...
TQi The rotor and stator rows arrangement of an axial compressor stage and their general velocity diagrams are shown in Figure 1.1 (a) and (b), respectively. The compressor rotor blade speed is set at 100 m's and the inlet absolute flow velocity for rotor (C1) and stator (C:) are given in APPENDIX A (Each student will have different data) Consider normal stage condition and constant axial flow throughout the stage at 50 m's 01 C 0 SS 93 ROTOR t=100...
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...
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...
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...
Consider a 5-stage axial compressor. From the stator outlet of one stage, to the rotor inlet...
Consider a 5-stage axial compressor. From the stator outlet of one stage, to the rotor inlet of the next stage. Maintaining continuity, what changes and what is generally assumed constant? (total pressure and temperature, static pressure and temperature, density, absolute flow angle (alpha), relative flow angle (beta), axial velocity, etc
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...
Steam enters a rotor of an axial turbine with an absolute velocity V1 = 710 m/s...
Steam enters a rotor of an axial turbine with an absolute velocity V1 = 710 m/s at an angle α1 = 67.5°. The rotor speed is U = 200 m/s. The rotor blades are equiangular so that β2= -β1 and W2=0.91 W1. (a) Draw the velocity triangles and show the velocity components along the radial and tangential directions. Find the following. (b) the relative flow angle β1. (c) the magnitude of the velocity V2of the steam that leaves the rotor,...
5.4 The following particulars apply to a two-row velocity compounded impulse stage of a turbine: ...
5.4 The following particulars apply to a two-row velocity compounded impulse stage of a turbine: nozzle angle 17°; blade speed 125 m/s; exit angles of the first row moving blades, the fixed blades, and the second row moving blades, 22, 26, and 30° respectively. Take the blade velocity coefficient for each row of blades as 0.9, and assume that the absolute velocity of the steam leaving the stage is in the axial direction. Draw the velocity diagram for the stage...
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...
A power plant operates one of its steam turbines at a speed of 1800rpm and a steam flow of 139 kg/s with a nozzle velocity coefficient (K) of 0.96. The inlet and outlet steam pressures are 69 bar an...
A power plant operates one of its steam turbines at a speed of 1800rpm and a steam flow of 139 kg/s with a nozzle velocity coefficient (K) of 0.96. The inlet and outlet steam pressures are 69 bar and 27.6 bar, respectively. Windage and leakage losses are noted to be 3%. The turbine blades are oriented such that the blading angles are13" and 24" with a blade velocity of 70m/s. Using the blade velocity vector diagram (Figure 2), a velocity...
TQi The rotor and stator rows arrangement of an axial compressor stage and their general velocity diagrams are shown in Figure 1.1 (a) and (b), respectively. The compressor rotor blade speed is set at 100 m's and the inlet absolute flow velocity for rotor (C1) and stator (C:) are given in APPENDIX A (Each student will have different data) Consider normal stage condition and constant axial flow throughout the stage at 50 m's 01 C 0 SS 93 ROTOR t=100...
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...
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...
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...
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...
5.4 The following particulars apply to a two-row velocity compounded impulse stage of a turbine: nozzle angle 17°; blade speed 125 m/s; exit angles of the first row moving blades, the fixed blades, and the second row moving blades, 22, 26, and 30° respectively. Take the blade velocity coefficient for each row of blades as 0.9, and assume that the absolute velocity of the steam leaving the stage is in the axial direction. Draw the velocity diagram for the stage...
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...
A power plant operates one of its steam turbines at a speed of 1800rpm and a steam flow of 139 kg/s with a nozzle velocity coefficient (K) of 0.96. The inlet and outlet steam pressures are 69 bar and 27.6 bar, respectively. Windage and leakage losses are noted to be 3%. The turbine blades are oriented such that the blading angles are13" and 24" with a blade velocity of 70m/s. Using the blade velocity vector diagram (Figure 2), a velocity...
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