Creighton, William Henry Paul, 1859- · New York, J. Wiley & sons; [etc., etc.] · leaf 479
slightest difference•in mass density would set up vibration waves which would pro- 458 THE STEAM-ENGINE AND OTHER HEAT-MOTORS. duce enormous stresses. The velocity of rotation of the tur-bine-shaft is reduced by one or more pairs of spiral gears, ratioof ten to one, meshing in opposite directions… … Condenser orxEaust pressure Fig. 239.—Diagrammatic Sketch of De Laval Turbine. calculate the loss of heat as heat when steam expands adiabatic- ally from any given pressure to that of the atmosphere or to a given pressure in a condenser. The heat so lost is the value of Vt2(H1—H2) in the equation…
Steam-engines · Heat-engines
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