The Steam Injector
A theoretical and practical treatise on the design and operation of injectors and on the flow of fluids through and the design of nozzles.
Forfatter: V. A. B. Hughes
År: 1912
Forlag: The Technical Publishing Company Limited
Sted: London
Sider: 145
UDK: 621.176
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10
THE STEAM 1NJECTOR.
discharged, the best all-round results were given by a
nozzle diverging at the rate of 1 in 12.
Fig. 6 shows in diagram form the fail of pressure within
the diverging nozzle indicated at the top of the figure when
the initial piessure is maintained constant, but the terminal
pressure is varied. The absence of the violent oscillations
observed in connection with fig. 4 will be noted.
The effect of varying the pressure in the exhaust space
beyond the diverging nozzle from that of the jet which
would issue from the nozzle after full expansion therein, is
precisely the same as in the case of the short tube shown
at fig. 4. Fig. 7 indicates the pressure oscillations in the