AEl. AEl. BThe total length of pipe connecting the two reservoirs is 100m. The pipe 250mm-diameterpipe delivers Q = 150 lit/sec of water. Hazen-Williams coefficient of the pipe is 120. If thedifference in elevation of water surfaces at reservoir A and reservoir B is 147 meters;a) determine the power (kW) generated by the turbine if n=85%. =[ Select ]v kWb) the total head loss in the pipe.[ Select ]metersT

Answered: Image /qna-images/answer/f1d6ea55-3802-4971-a810-7061db4d4319.jpg

Answered: A El. A T . El. B The total length of…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Situation 1 The 60 cm pipe conducts water from reservoir A to a pressure turbine which discharges through another 60 cm pipe into tailrace B. -CL 70 m The head losses are: From A-1 : From 2-B : 0.2 Heo cm g If the discharge is 0.70 m3 /sec: HEL Dn 1. Determine the head extracted by the turbine (HE) in meters. DATUM E 2. Solve for the input power of the turbine (Pinput or Pturbine) in kW. TURBINE 3. At 90% efficiency, compute for the output power (Poutput) for electricity in kW. Situation 2 Pipelines 1,2, and 3 are connected parallel to each other. The three pipes carry a combined discharge of 0.86 m/s. 1 Pipe Length Diameter Friction Factor 1,800 mm 1,500 mm 2,000 mm 0.020 0.018 0.022 400 mm A 2 в у 350 mm 3 300 mm 3 4. Determine the flow rate through pipeline 1 (Q1) in m3/s. 5. Determine the flow rate through pipeline 2 (Q2) in m3/s 6. Determine the flow rate through pipeline 3 (Q3) in m3/s
Situation 1 The 60 cm pipe conducts water from reservoir A to a pressure turbine which discharges through another 60 cm pipe into wti EL. 70 m tailrace B. The head losses are: From A-1 : 2g From 2-B : 0.20P- 2g H60 cm Ø If the discharge is 0.70 m3 /sec: HEL. 5m HELO 1. Determine the head extracted by the turbine (HE) in meters. DATUM- 2. Solve for the input power of the turbine (Pinput or Pturbine) in kW. TURBINE 3. At 90% efficiency, compute for the output power (Poutput) for electricity in kW.
Situation 1 The 60 cm pipe conducts water from reservoir A to a pressure turbine which discharges through another 60 cm pipe into tailrace B. The head losses are: From A-1 : From 2-B : 0.2 Heo cm g If the discharge is 0.70 m3 /sec: 1. Determine the head extracted by the turbine (HE) in meters. 2. Solve for the input power of the turbine (Pinput or Pturbine) in kW. 3. At 90% efficiency, compute for the output power (Poutput) for electricity in kW.
: For the system shown below: 1-Find the water power of the turbine (PT) if the required power output is PE (take PE between 5-25 kN) and the turbine efficiency is n (take n between 75 to 98%) 2- Find the flow rate in the pipe AB. 3-Find the value of Z1 for operating this system (take Z2 between 0 to 20 m). * Pitot tube Piezometer 0.3m B 1.0m z1 22 d 200mm 1-100mm
Flow from reservoir A is 43 l/s (n = 0.011 in all pipes) Use conventional solution. A) Compute QB and QE B) Compute for the Extracted Energy caused by the turbine DE if the pressure head at E is -3 m. neglect velocity headHint: Use Bernoulli’s Equation for A to E
During a flow of 500 L/s the gage pressure is +68 kPa in the horizontal 300 mm supply line of a water turbine and a -41 kPa at a 450 mm section of the draft tube 2 m below. Estimate the Horsepower output of the turbine under such conditions assuming efficiency of 85%. Let HL = 0. 300 mm ø Turbine 2m Datum 450 mm ø а. 27.18 hp b. 84.71 hp c. 12.47 hp d. 70.58 hp
2.) Given: Q = 438 lit/sec; pressure at 1 = 72KPA; pressure at 2 = -40.2KPA Req'd: horsepower input of the turbine. TURBINE Ø = 300mm 1.525 m Ø = 450mm Datum
Find the amount of power in KW derived by the turbine from the system on figure shown. Losses in the system, exclusive of the turbine 4V²/2g. The discharge of flow in the pipe is 25 cu-m/s. The difference in the elevation of the reservoir is 60.
5): For the system shown below: 1-Find the water power of the turbine (PT) if the required power output is PE (take PE between 5-25 kN) and the turbine efficiency is n (take n between 75 to 98%) 2- Find the flow rate in the pipe AB. 3-Find the value of Z1 for operating this system (take Z2 between O to 20 m). * Pitot tube Piezometer. 0.3m 1.0m z1 22 T. Id= 200mm d= 100mm
3. During a flow of 500 L, the gage pressure is +68 kPa in the horizontal 300 mm supply line of a water turbine and a -41 kPa at a 450 mm section of the draft tube 2 m below. Estimate the horsepower output of the turbine under such conditions assuming efficiency of 85%. a. Compute the total head extracted by the turbine. ( b. Compute the output horsepower of the turbine. C. Assuming an efficiency of 85%, compute the horsepower input of the turbine. - 300 mm ø Turbine 2m Datum B450 mm ø
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A 24 in. pipe conducts water from reservoir A to a pressure turbine (elev. = 15'), which discharges through another 24 in. pipe into tailrace B (elev. = 0'). The loss of head from A to 1 is 5 times the velocity head in the pipe and the loss of head from 2 to B is 0.2 times the velocity head in the pipe. What must water surface elevation at the reservoir be maintained such that the energy given up in the turbine is 552 hp? Assume discharge equals 25 cfs. Express all dimensions in English units.

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