Calculation of Peak efficiency flow of Francis turbines by RETSCREEN® ENGINEERING & CASES TEXTBOOK

Calculation of Peak efficiency flow of Francis turbines by RETSCREEN® ENGINEERING & CASES TEXTBOOK

1Specific speed based on flow:nq-
2Design flow:Qdm^3/s-
3GraphPlot Input Data:
4Number of gridlines of Graph x-axis, y-axis -
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Keyword・Reference・Remarks・History

LaTex

Keyword

Peak efficiency flow,Turbine peak efficiency,Runner size adjustment to peak efficiency,francis turbines,specific speed based on flow, Runner throat diameter,turbine manufacture/design coefficient

Reference

[1]:RETScreen® International『CLEAN ENERGY PROJECT ANALYSIS:RETSCREEN® ENGINEERING & CASES TEXTBOOK SMALL HYDRO PROJECT ANALYSIS CHAPTER』.pp.37-51.

Remarks

・Qp:『Peak efficiency flow』(Reference[1])
・Qd:『design flow(flow at rated head and full gate opening in m^3/s)』(Reference[1])
・ep:『Turbine peak efficiency』(Reference[1])
・Rm:『turbine manufacture/design coeffi cient(2.8 to 6.1; default = 4.5).』(Reference[1])
・^ed:『Runner size adjustment to peak efficiency』(Reference[1])
・^enq:『Specific speed adjustment to peak efficiency』(Reference[1])
・nq:『specific speed based on flow』(Reference[1])
・d:『runner throat diameter』(Reference[1])
・Making Equation Image is powered by CODECOGS

History

・2011/03/19:Upload

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