![4. A centrifugal pump operating at 1200 rpm is delivering 18 m2/h of water at 10 bars and requires 6 kW of shaft power at the best efficiency point. a. Determine the efficiency of the pump [5 points] b. Determine the flow rate, discharge pressure, and r equired shaft power at the corresponding point of 1800 rpm.](http://img.homeworklib.com/questions/d430cbb0-33db-11eb-b4ea-ad564fc38e7b.png?x-oss-process=image/resize,w_560)
A centrifugal pump operating at 1200 rpm is delivering 10 m^3/h of water at 10 bars and requires 6 kW of shaft power at the best efficiency point.
a. Determine the effiecincy of the pump
b. Deterine the flow rate, discharge pressire, and required shaft power at the corresponding point of 1800 rpm.
Homework Answers
Add Answer to:
A centrifugal pump operating at 1200 rpm is delivering 10 m^3/h
of water at 10 bars...
A water pump has been operating at a pump station at speed 1000 rpm. The pipeline...
A water pump has been operating at a pump station at speed 1000 rpm. The pipeline system characteristics at the station are as follows. Head loss in pipeline: 80 1 Discharge (LS) 0 20 40 60 Head (m) 4 10 20 The static head is 20 m. The pump characteristics at speed 1000 rpm are provided by the manufacturer and given as follows. Discharge (IS) 0 20 40 50 60 Head (m) 50 45 14 Efficiency (%) 60 69 60...
PAGE 2 ME2135/ME2135E QUESTION 1 A centrifugal pump of 0.37 m diameter, is pumping water (of dens...
PAGE 2 ME2135/ME2135E QUESTION 1 A centrifugal pump of 0.37 m diameter, is pumping water (of density 998 kg/m) at 2160 rpm and produces the following performance data (where the symbols used have their usual meaning): Q (m3/s) | 0.0 H (m)105 P (kW) 100 0.05 104 115 0.10 102 135 0.15 0.20 95 202 0.25 85 228 0.30 67 249 100 Determine (a) the best efficiency point (BEP) and (b) the maximum possible discharge estimated from the tabulated performance...
pure radial flow blade design that operates at 1200 rpm, delivering 18 m^3/h of water at...
pure radial flow blade design that operates at 1200 rpm, delivering 18 m^3/h of water at 10 bars. The slip factor is 0.9. Flow enters the "impeller eye" along the pure axial direction. a. Determine the impeller radius b. The impeller height at the outlet is 5 cm. find velocity along both radial and tangential directions at the impeller outlet.
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]
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...
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...
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....
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...
A water irrigation pump running at 1200 rpm produces a head of 50m and a flow...
A water irrigation pump running at 1200 rpm produces a head of 50m and a flow rate of 40m³/h. The NPSHr at this duty point is 3m. 1) If the discharge pressure is to be increased to 540kPa, calculate the speed required to achieve this pressure. 2) Estimate the NPSHr required by the pump at the new speed.
A centrifugal pump operating at its best efficiency transports a flow of 7.8 m3 / s...
A centrifugal pump operating at its best efficiency transports a flow of 7.8 m3 / s over a height of 35 m. Determine: a) the specific speed (Ns) of the pump according to the discharge b) the specific speed (Ns) according to its power if the maximum efficiency of the pump is 75%. The diameter of the impeller is 30 inches and its angular speed is 2500 rev/min.
A water pump has been operating at a pump station at speed 1000 rpm. The pipeline system characteristics at the station are as follows. Head loss in pipeline: 80 1 Discharge (LS) 0 20 40 60 Head (m) 4 10 20 The static head is 20 m. The pump characteristics at speed 1000 rpm are provided by the manufacturer and given as follows. Discharge (IS) 0 20 40 50 60 Head (m) 50 45 14 Efficiency (%) 60 69 60...
PAGE 2 ME2135/ME2135E QUESTION 1 A centrifugal pump of 0.37 m diameter, is pumping water (of density 998 kg/m) at 2160 rpm and produces the following performance data (where the symbols used have their usual meaning): Q (m3/s) | 0.0 H (m)105 P (kW) 100 0.05 104 115 0.10 102 135 0.15 0.20 95 202 0.25 85 228 0.30 67 249 100 Determine (a) the best efficiency point (BEP) and (b) the maximum possible discharge estimated from the tabulated performance...
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]
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...
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...
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....
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...
Most questions answered within 3 hours.
-
Spacely Sprockets is evaluating the construction of a new plant
on land the company purchased for...
asked 46 minutes ago -
1. Consider a linear regression model of y on K regressors and
an intercept.
(i) Describe...
asked 47 minutes ago -
Enter a balanced equation for the reaction between hydrochloric
acid and sodium sulfite.
Express your answer...
asked 52 minutes ago -
Give a regular expression describing the language
{x | x ∈ Σ* and x does not...
asked 52 minutes ago -
Masses of 1.0 kg, 2.0 kg, and 3.0 kg are each separately subject
to a net...
asked 1 hour ago -
The mode of philosophical argumentation and thought. How do
philosophers think and write? What is important...
asked 1 hour ago -
At the beginning of the unit, you were asked whether you thought
it was appropriate or...
asked 1 hour ago -
Calculate the grams of carbon in 9.32 x 10+23 molecules of
benzene (C6H6).
asked 1 hour ago -
A 5-year Treasury bond has a 4.95% yield. A 10-year Treasury
bond yields 6.6%, and a...
asked 1 hour ago -
suppose you own a chain of five restaurants in
downtown Vancouver. as the manager, you want...
asked 1 hour ago -
Here are summary statistics for randomly selected weights of
newborn girls:
nequals=225x overbarxequals=28.7hg, sequals=7.5hg. Construct a...
asked 1 hour ago -
Q) Simplify the following functions and implement them with two-
level NAND gate circuits:
a) F(A,B,C,D)=...
asked 1 hour ago