d at a head of 1/4
Q: Determine the specific speed by a pump delivering 80 L/s when running at 1350 rpm if the head…
A:
Q: provides approximately constant flow rate, independent of the pressure difference, for a fixed…
A: PISTON PUMP: A positive displacement pump can be defined as a piston pump. For moving liquids,…
Q: calculate the Displacement Volume, VD (m3)
A:
Q: A 50 mm Venturi meter (C = 0.98) is installed in a 75 mm diameter horizontal pipe carrying oil…
A:
Q: Consider a cam follower rising in harmonic motion to a lift of 210 mm as the cam rotates from 160 to…
A: Given Lift, h = 210 mm Angle = 190o Find Displacement, y
Q: A liquid having a sp.gr. of 20 is flowing in a 50 mm diameter pipe. The total head at a given point…
A:
Q: The aircraft's Indicated Air Speed is 150 KIAS. Find the corresponding values of True and Equivalent…
A: Given Indicated air speed = 150 knots Airspeed calibration = 2 knots To find True air speed…
Q: 3. As shown in the Figure 12, for the variable speed cylinder, a and b are the oil inlet andc is the…
A: Given Data
Q: A water jet with a flow rate of 2.83 m3 / s is traveling at 6 m / s in the positive x direction. The…
A:
Q: Compute for the accelaration. Show solutions Given: mass=50kg Time=20.41 seconds Vf=40m/s
A:
Q: The diameter of the selected impeller is Geometric Ratios below. 1) Not know. None of the above 2)…
A: after analysis the question it clearly see that we need axial impeller 0.34 to 1.6 under this range…
Q: n the centrifugal fan impeller there is a loss by friction of 0.4 times the kinetic head…
A:
Q: In a cam-follower mechanism, the follower needs to rise through 20 mm during 60° of cam rotation,…
A: Given:Uniform speed, N=300 rpm
Q: The intercepted areas between the output torque curve and the mean resistance line, taken in order…
A: apply maximum fluctuation of energy equation and find out radius of gyration.for solution refer…
Q: 2 A risk curve for AIS 2+ Injury due to delta-v has the coefficients α = -8.22 and β = 0.242. Given…
A: A risk curve for AIS 2+ Injury due to delta-v has the coefficients α = -8.22 and β = 0.242. Given a…
Q: A beaker contains water up to a height 2y. What will be the location of the center of pressure?…
A:
Q: pump develops a head of 90 ft at 1750 rpm. Rated capacity is 1,000 gpm. Determine the size of the…
A:
Q: 4. "Pump A" usually operates at 1800 rpm using a 6 inch impeller, and its performance is described…
A:
Q: b) Consider a cam follower falling in parabolic motion from lift of 264 mm as the cam rotates from…
A: Given Lift, h = 264 mm Angle = 200o Find Displacement, y
Q: Two geometrically similar pumps are running at the speed of 1500rpm and 3000rpm. One pump has an…
A:
Q: The wheels of a car have radius 10 in. and are rotating at 700 rpm. Find the speed of the car in…
A: The wheels of a car have radius 10 in. and are rotating at 700 rpm. Find the speed of the car in…
Q: A cam drive is used for a mechanism that moves a tool in an automated process. The cam follower must…
A:
Q: A 2:1 scale model of a pump was tested in a laboratory at 900rpm, head 20m and discharge 10 l/s. If…
A:
Q: 1-Plot experimental and theoretical result for displacement versus angular displacement in the same…
A: Plotting the Graph Theoretical result for displacement Vs angular Displacement Theoretical result…
Q: Specify the location of all velocity centers in the following mechanism.
A: for solution refer below images.
Q: [Q 4] (a) a wheel starts from rest and reaches 2000 rpm in 5s. Find number of revolution the wheel…
A: GivenN2=2000rpmt=5sN1=0rpmrest
Q: In the centrifugal fan impeller there is a loss by friction of 0.4 times the kinetic head…
A:
Q: a) Consider a cam follower rising in parabolic motion to a lift of 218 mm as the cam rotates from 10…
A: Given Lift, h = 218 mm Angle = 70o Find Displacement, y
Q: The following data related to a cam profile in which the follower moves with uniform acceleration…
A: Lift h=25 mmOffset x=12 mm toward the rightφA=60°φdescent=90°dwell θ=45°N=300 rpm
Q: A centrifugal pump is designed for 1800 rpm and a head of 55 m. determine the speed if the impeller…
A: Given Data H=55 m N1=1800 rpm D1=300 mm D2=250 mm
Q: Suppose a bicycle is traveling at a speed of 14 mps. The bicycle chain connects 2 gears, one…
A:
Q: The area of an indicator diagram taken off a four-cylinder, single-acting, four-stroke, internal…
A:
Q: Determine the volumetric efficiency of the reciprocating pump that has a bore size of 350mm and…
A: The volumetric efficiency is the ratio of the actual volume of gas supplied to the piston…
Q: Determine the head developed by a multi-stage pump delivering 50 L/s when running at 1450 rpm if the…
A:
Q: A pipe transports 1962 N/s of water. The pipe tees into a 2"-diameter pipe and a 3"-diameter pipe.…
A: Given Velocity, V = 82 ft/s Diameter, d = 2 in = 0.166 ft Find Flow rate
Q: Suppose we have determined that the lowest natural frequency of a particular helical compression…
A: The lowest natural frequency of a body is ωn=20286 rpm,
Q: 5. A pump draws water from reservoir A and lifts it to reservoir B. The loss of head from A to 1 is…
A:
Q: solve and show complete solution 5. Water is running out of a connical funnel at the rate of 1000…
A: Given Q=1000cumm/sec r=40mm h=80mm To find- Rate at which water is dropping when it is 20mm from…
Q: A pump has a specific speed of 42 and 600 rpm when it delivers 0.01 m3/s. find the head developed by…
A:
Q: It is proposed to design a homologous model for a centrifugal pump.the prototype pump is to run at…
A:
Q: The drum of a winch system is rotating at 294 RPM and the drum has a diameter of 8 inches. What is…
A: Givenspeed of drum=294rpmdiameter of drum =8inches
Q: What is the actual displacement of a 150 mm x 100 mm x 250 mm direct acting simplex pump when the…
A:
Q: A model of a hydraulic turbine is tested at a head of 1/4th of that under which the full scale…
A: Given: The head of model, Hm = Hp/4 The diameter of model, dm = dp/2
Q: In a brick-making machine is found this train of gears. A motor carrying pulley E, which is 8 in.…
A: please upload complete question with teeth value. please show daigram fo this qusstion.
Q: In the centrifugal fan impeller there is a loss by friction of 0.4 times the kinetic head…
A: Impeller losses are caused by liquid loss from the pump and liquid recirculation in the impeller.…
Q: A centrifugal pump, pumps water at 0.240 m3/s rotating at 1200 rpm, a prototype pump using 10 lit/s…
A:
Q: Question 3 The wind resource at hub-height for a wind turbine with rated wind speed 11 m/s and cut-…
A: Given: The wind speed, v = 11 m/s The Weibull shape factor, k = 1.7 The Weibull scale parameter, c =…
Q: The turning moment diagram for the engine is drawn to the following scales: Turning moment, 1 mm =…
A: Turning moment scale 1mm=1000 N-m Crank angle scale 1mm=6°Nmean=150 rpmω=2πN60 ω=15.707…
Q: turbofan compressor blade is 3.0 m long and is rotating at 12350 rpm. Calculate the following:…
A:
A model of a hydraulic turbine is tested at a head of 1/4th of that under which the full scale turbine works. The diameter of the model is half of that of the full scale turbine. If N is the RPM of the full scale turbine, then the RPM of the model will be
Step by step
Solved in 2 steps
- A wind turbine rotates at speed of 300 rpm. What is the circumferential velocity at the tip of the blade if TSR is 2? If wind is at velocity of 7 m/s, what is the rotor radius to meet the required rpm?A quarter scale turbine model is tested under a head of 36 m. The full scale turbine is required to work under o head of 100 m and to run at 428 rpm. At what speed must the model be run and if it develops 135 HP and uses 0'324 m3/ sec of water at this speed, what power will be obtained from the full scale turbine assuming that its efficiency is 3 per cent better than that of the model?4. A pump is required to pump fresh water at a flow rate of 5000 m³/hour against a head of 8 mat a speed of 1500 rev/min. It is planned to test a scale model with a head of 2 m at a flowrate of 100 m³/hour under dynamically similar conditions (but neglecting changes in ReynoldsNumber). Determine: a) The speed at which the model must be run.b) The scale that must be used for the model.c) The mechanical power required to drive the model pump is found to be 680W at theoperating point. Calculate the power required to drive the full scale pump.d) After the full scale pump is fitted into the system it is found that the pump head risereally needs to be increased by 30%. At what speed should the full scale pump now berun at to achieve this head rise and what will be the new ideal flow rate and powerconsumption in order to match this operating condition?e) Briefly comment on the main advantages and limitations of testing a scale model toprove the performance of a larger prototype.
- expressed in rev/s. 4. A water turbine is to be designed to produce 27 MW when running at 93.7 rpm under a head of 16.5 m. A model turbine with an output of 37.5 kW is to be tested under dynamically similar conditions with a head of 4.9 m. Calculate the model speed and scale ratio. Assuming a model efficiency of 88%, estimate the volume flow rate through the model. It is estimated that the force on the thrust bearing of the full-size machine will be 7.0 GN. For what thrust must the model bearing be designed?A manufacturer tested one of its pump models at 2133.5 rpm and derived the characteristics as shown in the figure on the left. Being satisfied with the model, the manufacturer decided to make a prototype that is 4 times larger than the model for one of its clients. The prototype pump is going to be operated at a shaft speed of 100 rpm to deliver 6000 GPM of water. What will most approximately be the pump efficiency of the prototype when it is on duty? Head, m; power, kW oooo 250 200 150 100 O 62% O 22% O 42% 50 O 82% 0 Efficiency 0.05 Head (AH), m N=2133.5 rpm n = 35.6 rps D = 37.1 cm 0.10 0.15 Discharge, m³/s Power input, kW 0.20 0.25 100 80 60 40 20 Efficiency, percent 5 4 CH 3 2 H 1 0 0 Efficiency, n 0.04 C 0.08 Co CH 0.12 1.00 0.75 0.50 0.25 0 0.16 Cp and efficiencyA 2:1 scale model of a pump was tested in a laboratory at 900rpm, head 20m and discharge 10 l/s. If the speed of prototype was 1500rpm, determine the head and discharge.
- A small model of a water pump has the ff. performance characteristics: D1 = 9in; N1 = 1760 RPM; Q1 = 562.5 GPM; BP1 = 15 hp If a larger model geometrically similar to the small pump is to be used to deliver kerosene (S.G. = 0.80) at 1200 GPM at speed of 1500 RPM, what is the required impeller diameter in inches for the larger pump?Continuing the previous question, what is the required brake horsepower for the larger model?a centrifuagal pump is to be built that delivers 1000 gpm agains ahead of 120 ft operates at 1780 rpm. a model pump operating at the same effiviciency as the larger pump delivers 120 gpm against ahead of 30 ft . determine the rotation rate for the smaller , homologus pump . Using ONLY AFFINITY LAWS thanksA model of hydraulic turbine, to scale of 1/5 is tested under a head of 7.5m. The prototype works under a head of 180 m and is to run at 500 rpm. At what speed should the model be operated?
- A small model of a water pump has the ff. performance characteristics: D1 = 9in; N1 = 1760 RPM; Q1 = 562.5 GPM; BP1 = 15 hp If a larger model geometrically similar to the small pump is to be used to deliver kerosene (S.G. = 0.80) at 1200 GPM at speed of 1500 RPM, what is the required impeller diameter in inches for the larger pump?a. CH, CQ and are functions of CP. Draw the dimensionless performance curves of the turbine on a single graph by makingthe necessary scalings. (Fit the curve by using the excel program for drawing. Also give the values you used for plotting inthe table) b. Find the efficiency of the model at the most efficient operating point and the coefficients of head (CH), flow (CQ) and power(CP). Show them on the graph you have drawn. c. Calculate the diameter, net head, number of revolutions (rpm), flow rate, power (MW) and modified efficiency of theprototype d. Determine the turbine type ÖN number is 5A water pump produces a flow of 8 ft /s and a power of 4 hp, using an 11-in.-diameter impeller. Part A What is the flow if a 6-in.-diameter impeller is used to maintain dynamic similitude? Express your answer using three significant figures. Q = ft /s Part B What is the power if a 6-in.-diameter impeller is used to maintain dynamic similitude? Express your answer using three significant figures. hp