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1) When a jet of air 2.54 cm in diameter strikes a series of rotors on...
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...
forencoskels QUESTION 6 [12 MARKS] 1. Calculate the power developed by the rotor of a horizontal...
forencoskels QUESTION 6 [12 MARKS] 1. Calculate the power developed by the rotor of a horizontal axis wind turbine blade of diameter 8 m. The wind upstream velocity is 15 m/s and download velocity is 5 m/s. [8] b. What is the mass flow rate of the air through the turbine rotors? Take the air density p=1.330 m /kg, N=0.6, Cp = (1+2)(1-22) and v) = V+V4 2 DIA
Air at 10°C and 80 kPa (static values) enters the diffuser of a jet engine steadily...
Air at 10°C and 80 kPa (static values) enters the diffuser of a jet engine steadily with a velocity of 200 m/s. The inlet area of the diffuser is 0.4 m2. The air leaves the diffuser with a velocity of 40 m/s. Calculate 1) air density 2) air mass flow 3) inlet stagnation temprature 4) Inlet stgnation enthelpy 5) Outlet static temprature T2 a. 0.98 kg/m3 b. 1.01 kq/m3 c. 1.33 kg/m3 d. 90.1 kg/s e. 88.3 kg/m3 78.8 kg/m3...
helppp Nozzle Problem 3) In a hydraulic Blade Front view turbine, water exits from a jet...
helppp
Nozzle Problem 3) In a hydraulic Blade Front view turbine, water exits from a jet of the blade and strikes the blades smoothly, as shown in the figure. Here, only two blades are shown. The angles of velocity vectors, before and after the blades, are shown. Determine (a) the force Wheel of blade exerted by the water on the blades (5 points), and (b) the power output of the turbine (1 point). Neglect friction on the blades. Assume V...
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...
In an impulse turbine of the Pelton type, the jet is turned by the bucket by...
In an impulse turbine of the Pelton type, the jet is turned by the bucket by 165°. The head available at the nozzle is 750 m and blade speed ratio is 0.46. Cv = 0.98. Relative velocity is reduced by 12% due to friction. Determine the hydraulic efficiency. If the flow available is 20 m3/s. What is the power potential. Assuming 5 units of equal power, determine the jet diameter and wheel diameter if d/D = 12.
QUESTION 5 A wind turbine is operating in a wind of 10 m/s - that has a density of 1.2 kg/m3. The diameter of the w...
QUESTION 5 A wind turbine is operating in a wind of 10 m/s - that has a density of 1.2 kg/m3. The diameter of the windmill is 4 m. The constant pressure_ (atmospheric) streamline passing the turbine blade tip has a diameter of 3 m upstream of the wind turbine and 4.5 downstream. Assume that the velocity distributions are uniform and the air is incompressible. Determine the thrust due to the wind on the wind turbine. (5 marks)
A 10 cm jet of water issues from a 1 m diameter tank Assume that the...
A 10 cm jet of water issues from a 1 m diameter tank Assume that the velocity in the jet is /2gh m/s where h is the elevation of the water surface above the outlet jet. How long will it take for the water surface in the tank to drop from ho 2 m to h 0.50 m? Problem Definition Situation: Water draining by a 10 cm jet from 1 m diameter tank. Find: Time (in seconds) to drain from...
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...
III A horizontal 4-cm-diameter jet of water strikes a vertical plate. Determine the velocity issuing from...
III A horizontal 4-cm-diameter jet of water strikes a vertical plate. Determine the velocity issuing from the jet if a force of 700 N is needed to 1) Hold the plate stationary 2) Move the plate away from the jet at 8 m/s
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...
forencoskels QUESTION 6 [12 MARKS] 1. Calculate the power developed by the rotor of a horizontal axis wind turbine blade of diameter 8 m. The wind upstream velocity is 15 m/s and download velocity is 5 m/s. [8] b. What is the mass flow rate of the air through the turbine rotors? Take the air density p=1.330 m /kg, N=0.6, Cp = (1+2)(1-22) and v) = V+V4 2 DIA
Air at 10°C and 80 kPa (static values) enters the diffuser of a jet engine steadily with a velocity of 200 m/s. The inlet area of the diffuser is 0.4 m2. The air leaves the diffuser with a velocity of 40 m/s. Calculate 1) air density 2) air mass flow 3) inlet stagnation temprature 4) Inlet stgnation enthelpy 5) Outlet static temprature T2 a. 0.98 kg/m3 b. 1.01 kq/m3 c. 1.33 kg/m3 d. 90.1 kg/s e. 88.3 kg/m3 78.8 kg/m3...
helppp
Nozzle Problem 3) In a hydraulic Blade Front view turbine, water exits from a jet of the blade and strikes the blades smoothly, as shown in the figure. Here, only two blades are shown. The angles of velocity vectors, before and after the blades, are shown. Determine (a) the force Wheel of blade exerted by the water on the blades (5 points), and (b) the power output of the turbine (1 point). Neglect friction on the blades. Assume V...
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...
QUESTION 5 A wind turbine is operating in a wind of 10 m/s - that has a density of 1.2 kg/m3. The diameter of the windmill is 4 m. The constant pressure_ (atmospheric) streamline passing the turbine blade tip has a diameter of 3 m upstream of the wind turbine and 4.5 downstream. Assume that the velocity distributions are uniform and the air is incompressible. Determine the thrust due to the wind on the wind turbine. (5 marks)
A 10 cm jet of water issues from a 1 m diameter tank Assume that the velocity in the jet is /2gh m/s where h is the elevation of the water surface above the outlet jet. How long will it take for the water surface in the tank to drop from ho 2 m to h 0.50 m? Problem Definition Situation: Water draining by a 10 cm jet from 1 m diameter tank. Find: Time (in seconds) to drain from...
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...
III A horizontal 4-cm-diameter jet of water strikes a vertical plate. Determine the velocity issuing from the jet if a force of 700 N is needed to 1) Hold the plate stationary 2) Move the plate away from the jet at 8 m/s
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