某雙作用葉片泵結(jié)構(gòu)參數(shù)為:定子長圓弧半徑R=33.5mm,短圓弧半徑r=29mm,葉片厚度δ=2.25mm,葉片寬B=21mm,轉(zhuǎn)子葉片槽傾角θ = 13°,葉片數(shù)Z =12,轉(zhuǎn)速n=950r/min,工作壓力p= 6.3MPa,容積效率ηV=0.85,總效率η=0.75。求:
液壓馬達(dá)的輸出功率PM: