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.
45
section. As is reduced, the length of pipe, and therefore
the friction loss, is increased; and for valnes of 0 less than
6 dpg. the increased friction loss more than counterbalances
the reduced shock loss.
1 ~-^= 20 k) -Jo -&O ' -60 -70Rad^
v.b) -Angles betweenDivergent Sides of .Pipes.
Fig. 23.
As 0 is increased, the loss rapidly increases, and attains a
maximum, greater than 100 per cent in every case, for a
value of 0 in the neighbourhood of 65 deg. The value of
which makes the loss equal 100 per cent, varies from 40 deg.