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.
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The steam at a velocity of 600 m/s is directed to the blades of
an impulse...
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) 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)...
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...
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...
Question 38 (2 points) A steam turbine receives 10 kg/s of superheated steam at 120 bar...
Question 38 (2 points) A steam turbine receives 10 kg/s of superheated steam at 120 bar and 600°C. The steam expands adiabatically through the turbine and exits at a pressure of 0.2 bar and a quality of 90%. The steam inlet velocity is 200 m/s and the exit velocity is 50 m/s. Determine the power output of the turbine. 12.531 kW e) 12,344 kW (0) 12,719 kW None of the above
(a) Distinguish, with the aid of simple sketches where appropriate, between the construction, operation and applications...
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Steam enters a turbine operating at steady state at 2 MPa, 360 °C with a velocity...
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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...
Steam with the mass flow rate of 0.75 kg/s enters an adiabatic turbine steadily at 19 MPa, 600°C and 150 m/s
Steam with the mass flow rate of 0.75 kg/s enters an adiabatic turbine steadily at 19 MPa, 600°C and 150 m/s, and leaves at 150 kPa and 350 m/s. The isentropic efficiency of the turbine is 85%. Neglect potential energy. (I) Determine the exit temperature of the steam, and its quality (if saturated mixture) (ii) Calculate the actual power output of the turbine, in kW (iii) Illustrate a T-s diagram with respect to saturation lines for the isentropic process by clearly indicating all pressure, temperature,...
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...
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) 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)...
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...
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...
Question 38 (2 points) A steam turbine receives 10 kg/s of superheated steam at 120 bar and 600°C. The steam expands adiabatically through the turbine and exits at a pressure of 0.2 bar and a quality of 90%. The steam inlet velocity is 200 m/s and the exit velocity is 50 m/s. Determine the power output of the turbine. 12.531 kW e) 12,344 kW (0) 12,719 kW None of the above
(a) Distinguish, with the aid of simple sketches where appropriate, between the construction, operation and applications of the Pelton wheel, Francis turbine and Kaplan turbine. b) In a Francis turbine, the supply head (H) is 20 m of water (density 1000 kg m3. The discharge rate to atmosphere is 600 kg s-1. The external radius of the runner (R) is 0.43 m and the internal radius (R2) is 0.20 m. The runner blades are radial at inlet and they rotate...
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...
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...
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