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5.4 The following particulars apply to a two-row velocity compounded impulse stage of a turbine: ...
(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)...
The steam at a velocity of 600 m/s is directed to the blades of an impulse...
The steam at a velocity of 600 m/s is directed to the blades of an impulse turbine at an angle of 25o to their motion. The blade velocity is 225 m/s and the exit angle of the blades is 30o. If the blade velocity coefficient (k) is 0.9,Calculate: a)The inlet angle of the blade. b)The power developed per kg of steam supplied per second.
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 =...
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...
power plant / Steam Turbine/ i need solution in 24 hour 7.1 How does a steam...
power plant / Steam Turbine/ i need solution in 24 hour
7.1 How does a steam turbine convert energy in steam to shaft work? 7.2 What do you understand by (a) a nozzle, (b) a diffusor? 7.3 What is a compressible fluid? 7.4 What is the velocity of a pressure pulse in an isentropic flow? 7.5 What is the velocity of sound in an ideal gas? On what factors does it depend? 7.6 What is a stagnation state? 7.7 What...
P 8.1 (100 points) The stator exit flow angle in an axial steam turbine is 69o....
P 8.1 (100 points) The stator exit flow angle in an axial steam turbine is 69o. The flow angle of the relative velocity leaving the rotor is 65°. Steam leaves the stator at V2- 190 m/s, and the axial velocity is Vx2 0.46U. At the exit of the rotor blades the axial steam velocity is V-0.45U. The mass flow rate is m2-2.2 kg/s. Draw the velocity triangles and find (a) the flow angle of the relative velocity entering the rotor;...
power plant /Steam Turbines/Impules Turbine i need solution in 30 minutes Q2) A single stage simple...
power plant /Steam Turbines/Impules Turbine
i need solution in 30 minutes
Q2) A single stage simple impulse turbine generator set is to operate under the following conditions. Steam at inlet :8 bar, dry saturated Exhaust :0.2 bar Nozzle efficiency :0.9 Nozzle angle :15° Internal efficiency :0.75 Mechanical efficiency :0.92 Generator efficiency :0.9 Find (a) the mean blade speed for maximum blading efficiency, (b) the steam flow rate for developing 200 kW.
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...
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...
> 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...
(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)...
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 =...
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...
power plant / Steam Turbine/ i need solution in 24 hour
7.1 How does a steam turbine convert energy in steam to shaft work? 7.2 What do you understand by (a) a nozzle, (b) a diffusor? 7.3 What is a compressible fluid? 7.4 What is the velocity of a pressure pulse in an isentropic flow? 7.5 What is the velocity of sound in an ideal gas? On what factors does it depend? 7.6 What is a stagnation state? 7.7 What...
P 8.1 (100 points) The stator exit flow angle in an axial steam turbine is 69o. The flow angle of the relative velocity leaving the rotor is 65°. Steam leaves the stator at V2- 190 m/s, and the axial velocity is Vx2 0.46U. At the exit of the rotor blades the axial steam velocity is V-0.45U. The mass flow rate is m2-2.2 kg/s. Draw the velocity triangles and find (a) the flow angle of the relative velocity entering the rotor;...
power plant /Steam Turbines/Impules Turbine
i need solution in 30 minutes
Q2) A single stage simple impulse turbine generator set is to operate under the following conditions. Steam at inlet :8 bar, dry saturated Exhaust :0.2 bar Nozzle efficiency :0.9 Nozzle angle :15° Internal efficiency :0.75 Mechanical efficiency :0.92 Generator efficiency :0.9 Find (a) the mean blade speed for maximum blading efficiency, (b) the steam flow rate for developing 200 kW.
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...
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...
> 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...
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