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A Pelton turbine with a 1.75 m impeller radius has a nozzle with a mouth diameter of 12 cm. Since the optimum rotational speed of the impeller is n=250 rpm to generate maximum power from this Pelton turbine, which is used to generate hydroelectric power; (The retation angle ofE the tubing blades is given a

A Pelton turbine with a 1.75 m impeller radius has a nozzle with a mouth diameter of 12 cm. Since the optimum rotational speed of the impeller is n=250 rpm to generate maximum power from this Pelton turbine, which is used to generate hydroelectric power; (The retation angle ofE the tubing blades is given a

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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P2 L V? + az + 21 + hpompa.f =+a2 + z2 + h¢arbing + hx,toplam hk,sûrekli= f.5 2g 2g pg 2g pg z/1ẠM (gH)3/4 Wmil Nsp hx.yerel =K 2, hx,toplam= hx,sûrekli + hx yeret Протра %3D 2g 1/2 wWmil Nst p1/2(gH)5/4 HB 一() ())G)第-()) Wmit,B _ PB (@B Wmil,A PA @A %3D HA Wmil = pgHỳncürbin %3D WA DA Wmil = prwv(V, – rw)(1 – cosß) APelton turbine with a 1.75 m impeller radius has a nozzle with a mouth diameter of 12 cm. Since the optimum rotational speed of the impeller is n=250 rpm to generate maximum power from this Pelton turbine, which is used to generate hydroelectric power; (The rotation angle of the turbine blades is given a B=165°) a) Find the velocity of the water jet. b) Calculate the volumetric flow rate of the flow through the turbine in m^3/s. 91,63 m/s 95,71 m/s 1,457 2,012 82,37 m/s 102,78 m/s 1,225 1,036 85,68 m/s 0,851 c) If the turbine efficiency is 85%, calculate the power taken from the turbine shaft 4,01 MW 3,18 MW 3,34 MW 3,63 MW 4,25 MW
Transcribed Image Text:P2 L V? + az + 21 + hpompa.f =+a2 + z2 + h¢arbing + hx,toplam hk,sûrekli= f.5 2g 2g pg 2g pg z/1ẠM (gH)3/4 Wmil Nsp hx.yerel =K 2, hx,toplam= hx,sûrekli + hx yeret Протра %3D 2g 1/2 wWmil Nst p1/2(gH)5/4 HB 一() ())G)第-()) Wmit,B _ PB (@B Wmil,A PA @A %3D HA Wmil = pgHỳncürbin %3D WA DA Wmil = prwv(V, – rw)(1 – cosß) APelton turbine with a 1.75 m impeller radius has a nozzle with a mouth diameter of 12 cm. Since the optimum rotational speed of the impeller is n=250 rpm to generate maximum power from this Pelton turbine, which is used to generate hydroelectric power; (The rotation angle of the turbine blades is given a B=165°) a) Find the velocity of the water jet. b) Calculate the volumetric flow rate of the flow through the turbine in m^3/s. 91,63 m/s 95,71 m/s 1,457 2,012 82,37 m/s 102,78 m/s 1,225 1,036 85,68 m/s 0,851 c) If the turbine efficiency is 85%, calculate the power taken from the turbine shaft 4,01 MW 3,18 MW 3,34 MW 3,63 MW 4,25 MW
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