gravity, H;the delivery the characteristic curve

I I I _j_ _l _l _l I I I 100 200 300 400 0 1 2 3 4 5 6 7 0 I 2 3 4. 5 6 7 01 n lco'ls I dO x 1 o-·,.~. 1 dO x 10-'l•~s I Fig.6 Characteristic of the Fig.7 Static characteristics of Fig.8 Efficiencies of the