Mechanical laboratory methods; a testing of instruments and machines in the mechanical engineering laboratory and in practice (1918)
Smallwood, Julian Chase · New York, D. Van Nostrand company · leaf 125
sure and velocit3% neglect-ing the small amount of potential energy due to the heightat a above the opening at 6. All the energy at a isconverted into velocity at 6, since the pressure at h is nil,except that used to overcome fluid friction between the pointsa and h. Let W equal the weight of water… … Fig. 60.—Nozzle. 2^pressure energy. Likewise, the energy delivered at h is 23 21 FLOW METERS 105 If vi is the velocity at b under the ideal condition of no losses,then in which C is a coefficient less than unity. Since energy is propor-tional to the square of the velocity, C^X available energy =…
Mechanical engineering laboratories
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