Creighton, William Henry Paul, 1859- · New York, J. Wiley & sons; [etc., etc.] · leaf 472
estream is turned is greater than 90° and subtractive if it be lessthan 90°. In the derivation of the formula a indicated the angle throughwhich the stream is turned. Frequently, however, the supple-mentary angle or the angle beween the entering and departingstreams is used. Hence the preceding… … Fig. 234. angles a and /? with F, the line of action of the required force.For a stationary and frictionless vane the entering and departingvelocities must be equal since there can be no loss of energy. The 452 THE STEAM-ENGINE AND OTHER HEAT-MOTORS. WVe impulse due to V, in its line of action is .…
Steam-engines · Heat-engines
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