Flow of water through submerged orifices and short tubes with mouthpieces . Eighteen experiments were run and c showed a rather gradual in-crease with the head. The wide range in the value of c, no doubt, 112 is due to eiioi in determining the iischatge over a weir at verylow heads {see Table 36). The value of c = 0,942 for heads greater than ft. corres-ponds closely with the maximum ,c = , found by Castel forthe smallest discharge area (diam. ft.) of his conical mouth-pieces with angle OC = 15° 24• Francis states that when the discharge was into air, Ilichelottiin one of h
Flow of water through submerged orifices and short tubes with mouthpieces . Eighteen experiments were run and c showed a rather gradual in-crease with the head. The wide range in the value of c, no doubt, 112 is due to eiioi in determining the iischatge over a weir at verylow heads {see Table 36). The value of c = 0,942 for heads greater than ft. corres-ponds closely with the maximum ,c = , found by Castel forthe smallest discharge area (diam. ft.) of his conical mouth-pieces with angle OC = 15° 24• Francis states that when the discharge was into air, Ilichelottiin one of his experiments by employing a cycloidal tube found c = Eytelwein found c = Other experimenters have to Y/eisbach found with the divergent mouthpiece shown in value c = for heads varying from to ft., cal-culation being based on the smallest area. Ejrtelwein found with the divergent mouthpiece with rounded en-trance (Fig. 52) c = , the smallest area being used in calculat-ing the theoretical discharge. . ti /. Fig. 31 F/g. 32. Fieeman,s experiments on smooth nozzles gave the following
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Keywords: ., bookcentury1900, bookdecade1910, booksubjecthydraulics, bookyear1
