Results 311 to 320 of about 316,967 (352)
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Tribological solutions for engine piston ring surfaces: an overview on the materials and manufacturing

, 2020
This paper exhibits an outline of the piston rings operational characteristics and consequently, of their main functional challenges. The basic geometrical shapes, materials and manufacturing technologies used to produce compression rings for up to date ...
R. Ferreira   +5 more
semanticscholar   +1 more source

Detailed analysis of piston secondary motion and tribological performance

International Journal of Engine Research, 2020
This article presents a detailed analytical model to evaluate piston skirt tribology under hydrodynamic lubrication. The contribution of the piston ring pack lubrication has been taken into account to study piston secondary motion and tribological ...
C. Delprete   +2 more
semanticscholar   +1 more source

A viscous damping model for piston mode resonance

Journal of Fluid Mechanics, 2019
A viscous damping model is proposed based on a simplified equation of fluid motion in a moonpool or the narrow gap formed by two fixed boxes. The model takes into account the damping induced by both flow separation and wall friction through two damping ...
Li Tan   +4 more
semanticscholar   +1 more source

Optimization and performance analysis of magnetorheological fluid damper considering different piston configurations

Journal of Intelligent Materials Systems and Structures, 2019
This article presents the design and multi-physics coupling analysis of a shear-valve-mode magnetorheological fluid damper with different piston configurations.
S. Nie, Deqiong Xin, Hui Ji, F. Yin
semanticscholar   +1 more source

Piston dynamics, lubrication and tribological performance evaluation: A review

International Journal of Engine Research, 2018
Mechanical power loss of lubricated and bearing surfaces serves as an attractive domain for study and research in the field of internal combustion engines.
C. Delprete, Abbas Razavykia
semanticscholar   +1 more source

Engineering‐driven performance degradation analysis of hydraulic piston pump based on the inverse Gaussian process

Quality and Reliability Engineering International, 2019
As a key aircraft component, hydraulic piston pumps must be developed with high reliability. However, collecting failure time data of such pumps for reliability analysis is a big challenge. To save testing time, performance degradation data obtained from
Zhonghai Ma   +3 more
semanticscholar   +1 more source

Multi Cycle Modeling, Simulating and Controlling of a Free Piston Engine with Electrical Generator under HCCI Combustion Conditions

Combustion Science and Technology, 2019
For distributed electrical power generation, linear engine-alternator systems have the potential to operate at high efficiency. They avoid the frictional losses present in rotating generators and enable the use of efficient combustion modes.
Mohammad Alrbai   +2 more
semanticscholar   +1 more source

Lubrication analysis for the piston ring of a two-stroke marine diesel engine taking account of the oil supply

International Journal of Engine Research, 2019
The piston ring is one of the most important parts of a two-stroke marine diesel engine. It is lubricated by a special mode in which the lubricating oil is directly injected into the liner’s inner surface.
Tongyang Li   +6 more
semanticscholar   +1 more source

Integrated slipper retainer mechanism to eliminate slipper wear in high-speed axial piston pumps

Frontiers of Mechanical Engineering, 2022
Qun Chao   +5 more
semanticscholar   +1 more source

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