Results 81 to 90 of about 211,658 (259)

Validity of nonequilibrium work relations for the rapidly expanding quantum piston [PDF]

open access: yes, 2011
Recent work by Teifel and Mahler [Eur. Phys. J. B 75, 275 (2010)] raises legitimate concerns regarding the validity of quantum nonequilibrium work relations in processes involving moving hard walls. We study this issue in the context of the rapidly expanding one-dimensional quantum piston.
arxiv   +1 more source

Translations in the exponential Orlicz space with Gaussian weight [PDF]

open access: yesarXiv, 2017
We study the continuity of space translations on non-parametric exponential families based on the exponential Orlicz space with Gaussian reference density.
arxiv  

Improvement in Accuracy of Piston Frictional Force Measurement Using Floating Liner Engine

open access: yesTribology Online, 2017
The frictional force measuring method of a piston-piston ring cylinder system at engine operation condition by using floating liner method has some device structures, such as using plural one dimensional load cells (load washer) and six or eight three ...
Hideki Tabata   +2 more
doaj   +1 more source

Performance and Modeling of a Two-Stage Light Gas Gun Driven by Gaseous Detonation

open access: yesApplied Sciences, 2020
A two-stage light gas gun driven by gaseous detonation was newly constructed, which can make up for the disadvantages of the insufficient driving capability of high-pressure gas and the constraints of gunpowder.
Weiqi Tang   +7 more
doaj   +1 more source

The cutoff-dependence of the Casimir force within an inhomogeneous medium [PDF]

open access: yes, 2013
We consider the ground state energy of the electromagnetic field in a piston geometry. In the idealised case, where the piston and the walls of the chamber are taken as perfect mirrors, the Casimir pressure on the piston is finite and independent of the ...
Horsley, S. A. R., Simpson, W. M. R.
core   +2 more sources

Method for Optimization of Hopped-Up Diesel Operation Process when Calculating Heat-Stressed Piston Condition

open access: yesМеханика машин, механизмов и материалов, 2009
The paper presents the method for optimizing the spatial arrangement of injector nozzles of hopped-up diesel internal-combustion engine that enables sharp estimation of boundary conditions at piston head.
A.T. Volochko   +3 more
doaj  

Effect of geometric shape of piston on power loss of sliding part between piston and cylinder in swash plate type piston pump and motor

open access: yesNihon Kikai Gakkai ronbunshu, 2018
The power loss due to the friction and the leakage in the sliding part between piston and cylinder of a swash plate type piston pump and motor affects the equipment performance and the efficiency.
Kazuhiko TANAKA   +3 more
doaj   +1 more source

Noise Rectification and Fluctuations of an Asymmetric Inelastic Piston

open access: yes, 2008
We consider a massive inelastic piston, whose opposite faces have different coefficients of restitution, moving under the action of an infinitely dilute gas of hard disks maintained at a fixed temperature.
A. Puglisi   +9 more
core   +1 more source

Study of Corrosion in Diesel Engine Piston by Soybean Biodiesel and its Mixtures

open access: yesOrbital: The Electronic Journal of Chemistry, 2019
Of the renewable energy sources, which are less polluting and with the same efficiency of petroleum products, we highlight biodiesel, a renewable and promising source of clean energy, which is now being added in small quantities to commercial diesel used
Fernanda Beatriz Aires de Freitas   +2 more
doaj  

Friction characteristics on sliding part between piston and cylinder of swash plate type piston pump (Effect of geometric shape of piston)

open access: yesNihon Kikai Gakkai ronbunshu, 2017
The friction characteristics on sliding part between piston and cylinder in a swash plate type piston pump in which improvement of the power density is demanded affect the equipment performance and the efficiency.
Kazuhiko TANAKA, Yusuke FUJITA
doaj   +1 more source

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