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Keywords: valves
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Journal Articles
Journal Articles
Article Type: Research Papers
J. Tribol. April 2010, 132(2): 021702.
Published Online: March 25, 2010
... 03 2010 differential equations elasticity elastodynamics finite element analysis friction hydrodynamics liquid films machine bearings oils rotors valves tilting-pad journal bearings control elastohydrodynamics vibration Overview of the different domains, the fluid...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2009, 131(4): 041101.
Published Online: September 25, 2009
... in an engine are the piston assembly, valve train, and bearings. There are two main types of frictional losses associated with these parts: shear loss and metal to metal friction. Thick oil in an engine will reduce the boundary friction but will increase shear losses whereas thin oil will reduce shear friction...
Journal Articles
Article Type: Research Papers
J. Tribol. July 2009, 131(3): 032201.
Published Online: May 26, 2009
...Mohammed Diany; Abdel-Hakim Bouzid The long term tightness performance of stuffing-box packings, used in valves, is conditioned by the capacity of its sealing material to maintain a contact pressure to a predetermined minimal threshold value. Due to the creep, this contact pressure decreases...
Journal Articles
Article Type: Research Papers
J. Tribol. April 2009, 131(2): 021103.
Published Online: March 4, 2009
...Suresh Verma; Vijay Kumar; K. D. Gupta This paper presents a theoretical study of the performance characteristics of a constant flow valve compensated multirecess hydrostatic journal bearings operating with micropolar lubricant. The finite element method and iterative procedure have been used...
Journal Articles
Article Type: Technical Papers
J. Tribol. July 2003, 125(3): 628–637.
Published Online: June 19, 2003
...Riaz A. Mufti; Martin Priest A new method has been developed to directly measure valve train friction as a function of crank angle using specially designed timing belt pulley torque transducers fitted to the inlet and exhaust camshafts of a single-cylinder gasoline engine. Simultaneous...