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Problem 3 A centrifugal pump runs at N = 4,500 RPM and handles volumetric flow of...
3. A centrifugal pump performance data are shown in the following table for water. Pump speed...
3. A centrifugal pump performance data are shown in the following table for water. Pump speed 2500 RPM Pe or P2 (bar) P or Pi (bar) Volume of water (L) Time (sec) Input-Power (W -0.3 20 60 100 For this data set, calculate the following: i. Pump discharge capacity Q (L/s and GPM) ii. Pump head H (m and f) iii. Fluid power Pr(Watt) iv. Brake power Pb (Watt) v. Pump overall efficiency η (%) vi. Flow rate coefficient Ca...
1. A centrifugal pump performance data are shown in the following table for water. Pump speed-250...
Mechanical Lab II. Please answer asap with clear work. Thank
you!
1. A centrifugal pump performance data are shown in the following table for water. Pump speed-2500 RPM Pa or P2 (bar) P. or Pi (bar) Volume of water(L Time (sec) Input-Power (W) -0.3 20 60 100 For this data set, calculate the following i. Pump discharge capacity Q (LUs and GPM) ii. Pump head H (m and ft) iii. Fluid power Pr (Watt) iv. Brake power Pb (Watt) v....
Fluid Mechanics 2. A homologous model of a centrifugal pump runs at 500 rpm against a...
Fluid Mechanics
2. A homologous model of a centrifugal pump runs at 500 rpm against a head of 7m, drawing4 kW of power. If a prototype, 6 times the size of the model is to develop a head of 36m, and the overall efficiency of the model and prototype is 0.75 and 0.8 respectively, determine the rotational speed, discharge and power. (10 marks]
13. A centrifugal pump whose outer diameter is twice the inner diameter, runs at 600 rpm....
13. A centrifugal pump whose outer diameter is twice the inner diameter, runs at 600 rpm. The radial gh the pump is constant at 2.5 m/s and the flow is radial at the pump inlet. The rotor vanes are curved back at exit at an angle of 40° to the tangent. If the outer diameter of the rotor is 500 mm and the blade width is 50 mm at exit, the tangential component of absolute velocity at rotor exit (in...
6. Determine the setting of a centrifugal pump, given that flow rate = 2.4 m/min; diameter...
6. Determine the setting of a centrifugal pump, given that flow rate = 2.4 m/min; diameter of intake pipe = 160 mm; entrance losses = one velocity head in suction pipe; required NPSH = 42 kPa; water temperature = 30°C N D1, D2 : inlet and outlet diameters of impeller (rotor) b : impeller width 0,6 : inlet and outlet impeller vane angles (degrees) : speed of rotation of impeller (and its driver) in rpm V, V :tangential and radial...
Problem 1: For the following centrifugal pump parameters determine (a) the manometric efficiency 5 points] and...
Problem 1: For the following centrifugal pump parameters determine (a) the manometric efficiency 5 points] and (b) the fraction of total energy converted into pressure energy by the impeller of a centrifugal pump [5 points]. Impeller diameter: 0.1 m Impeller rotational speed: 1000 rpm The differential pressure across the suction and delivery heads: 100 m Speed of fluid flow: 2.5 m/s Impeller blades are curved back at an angle of 30° Frictional losses in the pump amounts to 2 m
A centrifugal pump with a 700 mm diameter rotor runs at 1800 rpm. The water enters...
A centrifugal pump with a 700 mm diameter rotor runs at 1800 rpm. The water enters without whirl (Q1 = 90°) and a2 = 60 (a is the angle between the absolute velocity and the local tangent to the circumference). The outlet (absolute) velocity magnitude is 6 m/s. The local gravitational field is 9.81 m/s². (a) From the Euler formula, calculate the theoretical head produced by the pump (20%), (b) if the actual head measured is 17 m, calculate the...
3. The manufacturers rating for a centrifugal pump shows that the pump delivers 160 gpm at...
3. The manufacturers rating for a centrifugal pump shows that the pump delivers 160 gpm at 80 ft of head when the pump speed is 3000 rpm. This rating is for the best operating point of the pump: the efficiency at this point is 59 percent. (be careful with units) (a) Calculate the specific speed of the pump. (b) What is the horsepower required to operate the pump at the manufacturers rating? (c) A 1.8 horsepower motor with a speed...
02. centrifugal pump draws benzene at 25°C (sp. weight of benzene 8.59 kN/m) om a tank whose level is 2.6 m below the pump inlet. The atmospheric pressure (abs). The head loss in the suction pipi...
02. centrifugal pump draws benzene at 25°C (sp. weight of benzene 8.59 kN/m) om a tank whose level is 2.6 m below the pump inlet. The atmospheric pressure (abs). The head loss in the suction piping due to friction and minor osses is 0.8 N.m /N. The vapor pressure of benzene is 13.3 kPa (abs). Determine he available net positive suction head (NPSH) and tell f it is acceptable or not. (10 points) Discharge ine Flew 2.6 m What is...
You own a centrifugal pump that is 7 inches in diameter and is known to have...
You own a centrifugal pump that is 7 inches in diameter and is known to have a maximum efficiency of 84% at a flow rate of 300 GPM and a head of 75 ft., and it runs at 1200 RPM. You have an old case from another pump that is geometrically similar to the existing pump, and it is made to handle an impeller with a diameter of 8 to 12 inches. You decide to make a 10 inch diameter...
3. A centrifugal pump performance data are shown in the following table for water. Pump speed 2500 RPM Pe or P2 (bar) P or Pi (bar) Volume of water (L) Time (sec) Input-Power (W -0.3 20 60 100 For this data set, calculate the following: i. Pump discharge capacity Q (L/s and GPM) ii. Pump head H (m and f) iii. Fluid power Pr(Watt) iv. Brake power Pb (Watt) v. Pump overall efficiency η (%) vi. Flow rate coefficient Ca...
Mechanical Lab II. Please answer asap with clear work. Thank
you!
1. A centrifugal pump performance data are shown in the following table for water. Pump speed-2500 RPM Pa or P2 (bar) P. or Pi (bar) Volume of water(L Time (sec) Input-Power (W) -0.3 20 60 100 For this data set, calculate the following i. Pump discharge capacity Q (LUs and GPM) ii. Pump head H (m and ft) iii. Fluid power Pr (Watt) iv. Brake power Pb (Watt) v....
Fluid Mechanics
2. A homologous model of a centrifugal pump runs at 500 rpm against a head of 7m, drawing4 kW of power. If a prototype, 6 times the size of the model is to develop a head of 36m, and the overall efficiency of the model and prototype is 0.75 and 0.8 respectively, determine the rotational speed, discharge and power. (10 marks]
13. A centrifugal pump whose outer diameter is twice the inner diameter, runs at 600 rpm. The radial gh the pump is constant at 2.5 m/s and the flow is radial at the pump inlet. The rotor vanes are curved back at exit at an angle of 40° to the tangent. If the outer diameter of the rotor is 500 mm and the blade width is 50 mm at exit, the tangential component of absolute velocity at rotor exit (in...
6. Determine the setting of a centrifugal pump, given that flow rate = 2.4 m/min; diameter of intake pipe = 160 mm; entrance losses = one velocity head in suction pipe; required NPSH = 42 kPa; water temperature = 30°C N D1, D2 : inlet and outlet diameters of impeller (rotor) b : impeller width 0,6 : inlet and outlet impeller vane angles (degrees) : speed of rotation of impeller (and its driver) in rpm V, V :tangential and radial...
Problem 1: For the following centrifugal pump parameters determine (a) the manometric efficiency 5 points] and (b) the fraction of total energy converted into pressure energy by the impeller of a centrifugal pump [5 points]. Impeller diameter: 0.1 m Impeller rotational speed: 1000 rpm The differential pressure across the suction and delivery heads: 100 m Speed of fluid flow: 2.5 m/s Impeller blades are curved back at an angle of 30° Frictional losses in the pump amounts to 2 m
A centrifugal pump with a 700 mm diameter rotor runs at 1800 rpm. The water enters without whirl (Q1 = 90°) and a2 = 60 (a is the angle between the absolute velocity and the local tangent to the circumference). The outlet (absolute) velocity magnitude is 6 m/s. The local gravitational field is 9.81 m/s². (a) From the Euler formula, calculate the theoretical head produced by the pump (20%), (b) if the actual head measured is 17 m, calculate the...
3. The manufacturers rating for a centrifugal pump shows that the pump delivers 160 gpm at 80 ft of head when the pump speed is 3000 rpm. This rating is for the best operating point of the pump: the efficiency at this point is 59 percent. (be careful with units) (a) Calculate the specific speed of the pump. (b) What is the horsepower required to operate the pump at the manufacturers rating? (c) A 1.8 horsepower motor with a speed...
02. centrifugal pump draws benzene at 25°C (sp. weight of benzene 8.59 kN/m) om a tank whose level is 2.6 m below the pump inlet. The atmospheric pressure (abs). The head loss in the suction piping due to friction and minor osses is 0.8 N.m /N. The vapor pressure of benzene is 13.3 kPa (abs). Determine he available net positive suction head (NPSH) and tell f it is acceptable or not. (10 points) Discharge ine Flew 2.6 m What is...
You own a centrifugal pump that is 7 inches in diameter and is known to have a maximum efficiency of 84% at a flow rate of 300 GPM and a head of 75 ft., and it runs at 1200 RPM. You have an old case from another pump that is geometrically similar to the existing pump, and it is made to handle an impeller with a diameter of 8 to 12 inches. You decide to make a 10 inch diameter...
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