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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THE DELIVERY NOZZLE.
39
even with such widely different initial velocities as 100 ft.
and 200 ft. per second the difference in the final velocities
is only 5 ft. per second.
Experiments on injectors with deliveiy nozzles of various
forms cleai'ly demonstrate the importance of having the
angle of divergence or the taper of said nozzles neitlier too
great nor too small. A 5-deg. taper is a very satisfactory
one. If no delivery nozzle whate<ver is employed, the
maximum delivery pressure obtainable with the injector is
very greatly reduced.