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P 8.1 (100 points) The stator exit flow angle in an axial steam turbine is 69o....
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,...
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 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...
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...
A normal stage turbine with R 0 operates with axial entry. The nozzle (stator) turns the flow by 64°. (a) Find the flow coefficient. (b) What is the discharge velocity from the nozzles, if the ax...
A normal stage turbine with R 0 operates with axial entry. The nozzle (stator) turns the flow by 64°. (a) Find the flow coefficient. (b) What is the discharge velocity from the nozzles, if the axial velocity is cx 240 m/s? (c) Calculate the work delivered by the stage and the drop in the stagnation temperature, given gases with cp 1148J/(kg
A normal stage turbine with R 0 operates with axial entry. The nozzle (stator) turns the flow by 64°....
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
Q2 Figure 2.1 shows the velocity diagram for an axial turbine stage. The turbine rotor blade...
Q2 Figure 2.1 shows the velocity diagram for an axial turbine stage. The turbine rotor blade speed is 80 m's. Exhaust gas flow through the turbine stage with a constant axial velocity (2) at 90 m/s. List of relative and absolute flow angles at the rotor inlet and outlet are given in APPENDIX D for each student, respectively. At rotor inlet At rotor outlet B3 Cx2 = 90 m/s B2 Cx3 = 90 m/s W2 0.3 Cys 44 U =...
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...
> Click Submit to complete this assessment Question 8 Question 8 24 points Save Answ Steam...
> Click Submit to complete this assessment Question 8 Question 8 24 points Save Answ Steam enters a rotor of an axial turbine with an absolute velocity V1 - 350 m/s at an angle = 70". The axial velocity remains constant (Va1-Va2) and W1=W2. The blade speed is U-165 m/s. The rolor blades are equiangular. Draw the velocity Thanges. Find (a) the rotor blades angle degree (b) the specific work done = kJ/kg (c) the blade efficiency % Click Submit...
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...
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 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...
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...
A normal stage turbine with R 0 operates with axial entry. The nozzle (stator) turns the flow by 64°. (a) Find the flow coefficient. (b) What is the discharge velocity from the nozzles, if the axial velocity is cx 240 m/s? (c) Calculate the work delivered by the stage and the drop in the stagnation temperature, given gases with cp 1148J/(kg
A normal stage turbine with R 0 operates with axial entry. The nozzle (stator) turns the flow by 64°....
Q2 Figure 2.1 shows the velocity diagram for an axial turbine stage. The turbine rotor blade speed is 80 m's. Exhaust gas flow through the turbine stage with a constant axial velocity (2) at 90 m/s. List of relative and absolute flow angles at the rotor inlet and outlet are given in APPENDIX D for each student, respectively. At rotor inlet At rotor outlet B3 Cx2 = 90 m/s B2 Cx3 = 90 m/s W2 0.3 Cys 44 U =...
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...
> Click Submit to complete this assessment Question 8 Question 8 24 points Save Answ Steam enters a rotor of an axial turbine with an absolute velocity V1 - 350 m/s at an angle = 70". The axial velocity remains constant (Va1-Va2) and W1=W2. The blade speed is U-165 m/s. The rolor blades are equiangular. Draw the velocity Thanges. Find (a) the rotor blades angle degree (b) the specific work done = kJ/kg (c) the blade efficiency % Click Submit...
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...
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