Determine required input power to motor [1.64 kW]
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![7.
Pump
50mm Þ
17m
Data: f = 0.0067
Pressure at 3 = 194 kN/m² gauge
Velocity at 3 = 2.7 m/s
p = 830 kg/m³
Pump efficiency = 88%
Motor efficiency = 84%
Pressure at 1 is atmospheric
Velocity at 1 is negligible
Determine required input power to motor [1.64 kW]
8.
200mm turbine
water
gen
Data: At 1, p = 230 kN/m² gauge, v =
At 2, p = 0 = 0 gauge, v = 0
Turbine efficiency = 80%
Generator efficiency = 90%
3.6 m/s
%3D
Determine output power from generator [19.3 kW]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F47d74ede-2285-4a96-81a4-ef28931e3f10%2F78e70127-fbab-4bfb-a5c5-7f827d7745e0%2Faxuovq_processed.jpeg&w=3840&q=75)
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- A Kaplan turbine has the following specifications: H =25 ft., N=400 rpm; power = 650 hp. If the efficiency of the unit is 90%, estimate (a) the flow rate, (b) approxi-mate diameter of the runner, (c) turbine setting to avoid cavitation if the location is at sea level, and (d) turbine setting to avoid cavitation if the location of the unitis at an elevation of 5000 ft. The local temperature is 60°F.Ans: (a) Q=254 cfs; (c) Hs=5.8 ft.; (d) 0.12 ft.Please solve it correctly,Urgent. Question: The discharge pressure of a water pump is 9, 000 kPa. The temperature is 150 deg deg C and density is 917 kg/m3. What is the equivalent pump head in meters? A. 11.005 m B. 1,000.5 m C. 1,050.5m D. 1, 100.5 mThe cylinder bore diameter of a single-acting reciprocating pump is 180 mm and its stroke is 360 mm. The pump runs at 53 rpm and lifts water through a height of 25 m. The delivery pipe is 23 m long and 114 mm in diameter. Find (i) the theoretical discharge in liters/s,(ii) the theoretical power required to run the pump in kW, (iii) the percentage of slip, and (iv) the coefficient of discharge., if the actual discharge is 4.3 liters/s. Assume the weight density of water is 9810 N/m3 ???
- An aqueduct is required to supply water to the community.Data: Families = 12 Average members per family = 3 people Breakfast, lunch and dinner = 15 total liters / family Showers = 10lt / person, one daily shower Kitchen wash = 13lts / day Total distance of the pipeline to the storage tank = 1200 meters Total height H from the pump point to delivery to the tank = 70 meters Determine: Estimation of the total volume of the recommended tank, an autonomy of at leas 2 days of storage. It is required to propose a pump that allows at least filling the tank between 5 to 12 hours operation, it must include details of the pump, as well as its curve Image: schematic detail of the proposed systemThe cylinder bore diameter of a double-acting reciprocating pump is 170 mm and its stroke is 370 mm. The pump runs at 55 rpm and lifts water through a height of 26 m. The delivery pipe is 23.5 m long and 113 mm in diameter. Find (i) the theoretical discharge in liters/s,(ii) the theoretical power required to run the pump in kW, (iii) the percentage of slip, and (iv) the coefficient of discharge., if the actual discharge is 13 liters/s. Assume the weight density of water is 9810 N/m3 (i)Theoretical discharge in liter/s (ii) the theoretical power required to run the pump in kW (iii) the percentage of slip (iv) the coefficient of discharge.A pump delivering 0.23 m3/s of water has a 304.8mm diameter suction flange and 254mm discharge flange. The suction pipe is 3.66m long and the discharge pipe is 22.86m long. Neglecting the turbulence losses in the pipe, find: a.) the head which the pump must deliver ( in meters ) b.) the motor power in KW required if the efficiency is 80%, c.) the reynold’s number and type of flow in the suction pipe d.) the reynold’s number and type of flow in the discharge pipe
- 1. Bernoulli Equation on Pump: Water is being pumped from the lower reservoir to the upper reservoir, as shown in the figure. Water is being pumped from the lower reservoir to the upper reservoir, as shown in the figure. Determine the pump horsepower required, given the following data:Q = 23 ft3/sD = 24 in.Ηpump = 75 %Ltotal = 3600 fthpipe = head loss coefficient = 0.0076 ft/total pipeline length ft show Complete Solution/s (i.e. transformations, equivalent formula, etc).A water pump is used to pump water from one large reservoir to another large reservoir that is at a higher elevation. The free surfaces of both reservoirs are exposed to atmospheric pressure, as sketched in Fig. The dimensions and minor loss coefficients are provided in the figure. The pump’s performance is approximated by the expression Havailable = H0 − aV.2 , where shutoff head H0 = 24.4 m of water column, coefficient a = 0.0678 m/(Lpm)2 , available pump head Havailable is in units of meters of water column, and capacity V. is in units of liters per minute (Lpm). Estimate the capacity delivered by the pump. AA pipe 50 cm in diameter carries water (l0°C} at a rate of 0.5 m 3 / s. A pump in the pipe isused to move the water from an elevation of 30 m to 40 m. The pressure at section 1 is 70kPa gauge, and the pressure at section 2 is 350 kPa gauge. What power in kilowatts and inhorsepower must be supplied to the flow by the pump? Assume h L = 3 m of water and α 1 =α 2 = 1. Find the following Draw the Schematic diagram Drive the energy equation Calculate pump head Power requirement
- a. Given the static head of 28.91 m, and static pressure head of 3.15 cm WC. What is the normal pressure, Pn? b. What is the Static efficiency of the fan if the air flow rate is equal to 3.8 5m /sec, total head of 68.72 m, velocity head of 30.86 m, mechanical efficiency and power are 39.12% and 35.72 KW at 30.69°C, respectively. c. Solve for the area at entrance of the fan blade, if the it has a 346mm diameter, flow of air is equal to 23.328 m/se and flow rate of 3.05 m³ /second.Water fl owing in a smooth 6-cm-diameter pipe enters aventuri contraction with a throat diameter of 4 cm.Upstream pressure is 120 kPa. If the pressure in the throatis 50 kPa, what is the fl ow rate, assuming ideal frictionlessfl ow?( a ) 7.5 gal/min, ( b ) 236 gal/min, ( c ) 263 gal/min,( d ) 745 gal/min, ( e ) 1053 gal/minThe large reservoir in the following figure provides water for the indicated tank with a flow rate of 10 L/s. Check that the machine is installed and a pump or a turbine, and determine its power, if the yield is 75%. Suppose ideal fluid. Data: γH20 = 104N/m3 ; ATubes = 10mc2 ; g = 10m/s2 .