Testing of a Large Adjustable Hydrodynamic Journal Bearing
نویسندگان
چکیده
منابع مشابه
Testing of a Large Adjustable Hydrodynamic Journal Bearing
The design and testing of two novel adjustable hydrodynamic journal bearings are outlined. Each was designed to replace a conventional bearing in a large marine gearbox. They were tested in a land based rig and their performances compared with that of the conventional bearing. The novel bearings demonstrated the ability to suppress journal orbits, to reposition the journal centre in any directi...
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The model of a three dimensional journal bearing with hydrodynamic lubrication is herein presented. This model is suitable for embodiment into the equations of spatial multibody systems. Both rotational and squeeze effects together with tilting effect have been taken into account. Moreover a simplified model of friction has been also reported. The proposed methodology has been applied to an exa...
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چکیده ندارد.
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Coefficients or hydrodynamic derivatives of autonomous underwater vehicles play a key role in their development. The most popular way for the estimation of coefficient is to implement captive model tests such as straight line tests and planar motion mechanism tests in towing tanks. In this paper, investigation of hydrodynamic derivatives was performed based on the water tunnel maneuvers. Forces...
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The objective of the present paper is to theoretically investigate the steady-state performance characteristics of journal bearing of finite width, operating with micropolar lubricant in a turbulent regime. In this analysis, the turbulent shear stress coefficients are used based on the Constantinescu’s turbulent model suggested by Taylor and Dowson with the assumption of parallel and inertia-le...
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ژورنال
عنوان ژورنال: Tribology Transactions
سال: 2001
ISSN: 1040-2004,1547-397X
DOI: 10.1080/10402000108982495