It is axiom that no thrust can be obtained from propeller in air or water unless there is "slip," yet current theory of centrifugal pump neglects this and suggests reserve of pumping capacity as high as 30 to 50%; consideration of fluid vortices offers entirely different basis. Abstract of paper before Instn Mech Engrs. (See also - n 2011 May 19 1939 p 413-4, n 2012 May 26 p 437-8; Mech World v 105 n 2733 May 19 1939 p 485-7)
Vortex pumps
Machy Market
Machinery Market ; n 2013
1939
3 pages
Article (Journal)
English
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Engineering Index Backfile | 1939
|Sealless pumps outlast piston pumps
Online Contents | 2004
TIBKAT | 1991
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