Results 51 to 60 of about 10,309 (221)

Experimental research and artificial neural network prediction of free piston expander-linear generator

open access: yesEnergy Reports, 2022
For the purpose of better matching the performance of the organic Rankine cycle (ORC) system concerning the vehicle engine waste heat recovery, this paper studies the output performance of free piston expander-linear generator (FPE-LG).
Baoying Peng   +3 more
doaj   +1 more source

Review of experimental research on supercritical and transcritical thermodynamic cycles designed for heat recovery application [PDF]

open access: yes, 2019
Supercritical operation is considered a main technique to achieve higher cycle efficiency in various thermodynamic systems. The present paper is a review of experimental investigations on supercritical operation considering both heat-to-upgraded heat and
De Paepe, Michel   +6 more
core   +2 more sources

Experimental comparison of two linear machines developed for the free piston engine

open access: yesThe Journal of Engineering, 2019
In this study, a linear synchronous machine is compared with a linear transverse flux machine. Both machines have been designed and built with the intention of being used as the power take off in a free piston engine.
Nick.J. Baker   +3 more
doaj   +1 more source

A transverse flux permanent magnet linear generator for hybrid electric vehicles [PDF]

open access: yes, 2013
Article: TD-007358This paper presents a transverse flux permanent magnet (TFPM) linear generator for the free-piston generation application, which not only possessing the merits of the existing TFPM machine, but also providing a simple structure which is
Ching, TW, Lee, CHT, Li, WL
core   +1 more source

Analysis of the Scavenging Process of a Two-Stroke Free-Piston Engine Based on the Selection of Scavenging Ports or Valves

open access: yesEnergies, 2018
The free-piston engine generator (FPEG) is a linear energy conversion device with the objective of utilisation within a hybrid-electric automotive vehicle power system. In this research, the piston dynamic characteristics of an FPEG is compared with that
Boru Jia   +3 more
doaj   +1 more source

Effect of Injection Timing on the Operation of Hydrogen-Fuelled Free-Piston Linear Generator Engine during Starting

open access: yesInternational Journal of Automotive Engineering, 2013
A linear engine type with piston assembly that swings between two oppositely placed combustion chambers considered in this study. The study investigated the effect of injection timing on starting of the engine.
Ibrahim Abdulwehab A.   +3 more
doaj   +1 more source

Electromagnetic Characteristics Analysis of a Tubular Moving Magnet Linear Generator System

open access: yesApplied Sciences, 2020
As a new type of advanced electrical power generation system, free-piston engines can be applied to many fields, such as electric vehicles and communication base stations.
Yunqin Hu   +3 more
doaj   +1 more source

Overview of free-piston Stirling engine technology for space power application [PDF]

open access: yes, 1987
An overview is presented of free-piston Stirling engine activities, directed toward space power applications. One of the major elements of the program is the development of advanced power conversion.
Slaby, Jack G.
core   +1 more source

Solar cell as self-oscillating heat engine

open access: yes, 2015
Solar cells are engines converting energy supplied by the photon flux into work. All known types of macroscopic engines and turbines are also self-oscillating systems which yield a periodic motion at the expense of a usually non-periodic source of energy.
Alicki, Robert   +2 more
core   +1 more source

Continuity and boundary conditions in thermodynamics: From Carnot's efficiency to efficiencies at maximum power

open access: yes, 2015
[...] By the beginning of the 20th century, the principles of thermodynamics were summarized into the so-called four laws, which were, as it turns out, definitive negative answers to the doomed quests for perpetual motion machines.
Apertet, Yann   +3 more
core   +1 more source

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