Abstract
There are two basic forms of hydraulic power transmission — hydrostatic and hydrodynamic (or hydrokinetic). The hydrostatic drive employs a positive displacement pump and delivers oil to a hydraulic motor, power being transmitted by fluid pressure without great changes in fluid velocity. In the hydrodynamic system a centrifugal-type pump circulates large amounts of oil driving a turbine-type hydraulic motor. Power is transmitted by changes in the fluid velocity.
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References
L. G. Woods, The change of viscosity of oils containing high polymers when subjected to high rates of shear, Brit. J. Appl. Phys., 1 (August 1950).
J. K. Appeldoorn, A simplified viscosity-pressure-temperature equation, SAE Summer Meeting 1963, Paper 709A.
T. I. Fowle, Aeration in lubricating oils, Tribology International, June 1981.
Guidelines for the Use of Fire Resistant Fluids in Hydraulic Systems, RP86H, CETOP, London, 1979.
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© 1983 Esso Petroleum Company Limited
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Barr, A.B., Hampson, D.F.G., Harper, W.Y. (1983). Hydraulic Transmissions. In: Robertson, W.S. (eds) Lubrication in Practice. Palgrave, London. https://doi.org/10.1007/978-1-349-06731-2_7
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DOI: https://doi.org/10.1007/978-1-349-06731-2_7
Publisher Name: Palgrave, London
Print ISBN: 978-1-349-06733-6
Online ISBN: 978-1-349-06731-2
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