Results 41 to 50 of about 8,232 (282)
The Journal of Engineering, 2018 Comparative investigation on friction and wear properties of SiC, Si(3)N(4), Al(2)O(3), and ZrO(2) lubricated with seawater was carried out on a ring-on-ring contacted tribological test apparatus, and their worn surfaces were observed by an ultra-depth ...
Zhenhua Zhang +4 more
doaj +1 more source
Programming piston displacements for constant flow rate piston pumps with trigonometric transition functions [PDF]
Mechanical Sciences, 2021 An analytical method for programming piston displacements for constant flow rate piston pumps is presented. A total of two trigonometric transition functions are introduced to express the piston velocities during the transition processes, which can ...
Z. Tian, Z. Tian, X. Lin, X. Lin
doaj +1 more source
An Empirical Model for the Churning Losses Prediction of Fluid Flow Analysis in Axial Piston Pumps
Micromachines, 2021 The manufacturing development of axial piston pumps usually takes the trend of high speed and miniaturization, and increases power density. Axial piston pumps are usually characterized as high speed to improve the power density; thus, high-speed churning
Ying Li, Xing Chen, Hao Luo, Jin Zhang
doaj +1 more source
Influence of Piston Number on Churning Losses in Axial Piston Pumps
Chinese Journal of Mechanical Engineering, 2022 Raising the rotational speed of an axial piston pump is useful for improving its power density; however, the churning losses of the piston increase significantly with increasing speed, and this reduces the performance and efficiency of the axial piston ...
Ying Li +4 more
doaj +1 more source
, 2015 By identifying well-known failures in pistons, uniquely on skirt area where overlapping with cylinder mainly occurs and causing pistons to fail are investigated.
Kaan, Murat +3 more
core +1 more source
International Journal of Automotive Science and Technology, 2023 In this study, performance and combustion characteristics of biogas and biogas+hydrogen mixtures were experimentally analysed and compared with baseline diesel fuel in a common-rail diesel engine with and without thermal barrier coated piston. Tests were
Ali Şanlı +2 more
doaj +1 more source
Design of novel composite pistons for diesel engine [PDF]
, 2014 The paper presents the requirements to be met by diesel engines and their components, in particular pistons for engines of military vehicles. These requirements are related to the mass of modern military vehicles, which has greatly increased.
Jankowski, A.
core +1 more source
Advantages of using composite alloys for internal combustion engine pistons [PDF]
Archives of Transport, 2020 Combustion engine pistons are subject to variable mechanical and thermal loads, and to variable deformations. The article presents the possibilities of using novel composite alloys for the construction of pistons for combustion engines.
Mirosław Kowalski, Antoni Jankowski
doaj +1 more source
Design of a Multistable Finger Prosthesis with Programmable Metamaterials
Advanced Engineering Materials, EarlyView.This research article shows the development of a multistable programmble metamaterial for the use as a finger prosthesis. The material was designed on different hierarchical levels where the influence of geometrical parameters and combination of mechanical elements was explored.
Franziska Wenz +5 more
wiley +1 more source
Friction Characteristics of Steel Pistons for Diesel Engines [PDF]
, 2012 The use of iron pistons is increasing due to the higher power requirements of diesel truck engines. Expansion of the iron piston is a common concern.
Osawa, Katsuyuki +4 more
core +1 more source