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Diagnosis of internal overflows across the piston seal of the dipper hydraulic cylinder:a) the temperature of the outer surface of the cylinder body in the area of its rod cavity; b) the temperature of the cylinder body in the area of its piston; c) the temperature of the outer surface of the cylinder body in the area of its piston cavity

Valeriy Sergeev
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PISTON RINGS AND PISTONS

2023
General-These specifications are in general use and have been adopted as an SAE Standard primarily for conventional automotive type engines. This category includes passenger car and light or medium duty truck, tractor, and industrial engines, as well as some compressors. For heavy duty gasoline and diesel engine it may be necessary to depart from these
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Piston Velocities and Piston Work

Aircraft Engineering and Aerospace Technology, 1950
WHEN evaluating engine efficiencies, mean effective pressures or the work done by the piston in internal combustion engines or compressors, it is generally assumed that the state of the working fluid is uniform throughout its mass. From this it follows that the expression for work where P denotes pressure and V, volume, holds.
J.S. Glass, J. Kestin
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Piston

Proceedings of the 33rd Annual Computer Security Applications Conference, 2017
While software is now being developed with more sophisticated tools, its complexity has increased considerably, and, as a consequence new vulnerabilities are discovered every day. To address the constant flow of vulnerabilities being identified, patches are frequently being pushed to consumers.
Christopher Salls, Yan Shoshitaishvili, Nick Stephens, Christopher Kruegel, Giovanni Vigna   +4 more
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Piston Vibration in Piston-Cylinder Systems

Journal of Fluids Engineering, 1980
The motion of a cylindrical piston falling in a liquid filled vertical cylinder is analyzed. It is found that concentric motion is impossible and that flow induced vibration is always associated with such piston-cylinder systems. If the clearance over radius ratio is larger than a certain critical value, βcr, severe wobble and piston-cylinder contact ...
I. Etsion, M. Magen
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The piston ring or the piston seal?

Russian Engineering Research, 2010
Improvement in the efficiency of piston compression rings is considered. By taking account of the gas dynamics in determining piston-ring geometry and developing a system of piston rings and piston seals for various internal combustion engines, their basic performance and environmental characteristics may be improved.
Yu. F. Gortyshov, A. M. Druzhinin, V. M. Gureev, I. F. Gumerov, V. A. Stroganov   +4 more
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Tribological characteristics of piston rings in a single-piston hydraulic free-piston engine

Industrial Lubrication and Tribology, 2017
Purpose A free-piston engine (FPE) is an unconventional engine that abandons the crank system. This paper aims to focus on a numerical simulation for the lubricating characteristics of piston rings in a single-piston hydraulic free-piston engine (HFPE).
Zhaoju Qin, Chenheng Yuan, Yanpeng Yuan, Yuanyuan Huang   +3 more
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Piston compressor

2020
A piston compressor containing a housing (8) with a compression chamber (13) in it, having an inlet, and an outlet and a piston (10) arranged movably back and forth in an axial direction (X-X') in the compression chamber (13) between an upper dead point and a lower dead point, delimited by a kinematic mechanism (20) with which the piston (10) is ...
Verrelst, Bjorn, Beckers, Jarl
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