Results 41 to 50 of about 192 (147)

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

Energies, 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, Yaodong Wang, Andrew Smallbone, Anthony Paul Roskilly   +3 more
doaj   +1 more source

Investigation of a high efficient Free Piston Linear Generator with variable Stroke and variable Compression Ratio A new Approach for Free Piston Engines [PDF]

World Electric Vehicle Journal, 2007
Chemical energy can be converted to electricity with very high efficiencies by means of a free piston linear generator allowing a variable stroke and a variable compression ratio. Therefore online-downsizing in part-load is possible by reducing the stroke. As a result throttling, wall and friction losses are reduced.
Graef, Markus, Treffinger, Peter, Pohl, Sven-Erik, Rinderknecht, Frank   +3 more
openaire   +1 more source

ICEIT 2024 - 59 Linear Generators: Comparison between Five – Phase and Three – Phase machines

Zanco Journal of Pure and Applied Sciences
Linear electrical power generation is one of the methods to generate electrical power from linear moving forces with zero unwanted CO and NO emissions.
Aslan Sa. Jalal
doaj   +1 more source

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

International 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., Abidin Ezrann Zharif B. Zainal, Aziz Rashid A., Zulkifli Saiful A.   +3 more
doaj   +1 more source

Electromagnetic Characteristics Analysis of a Tubular Moving Magnet Linear Generator System

Applied 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, Zhaoping Xu, Ye Sun, Liang Liu   +3 more
doaj   +1 more source

Engine Design Study for Free Double Piston Integrated Composite Cycle Engine

Aerospace
The Composite Cycle Engine (CCE) enhances the conventional Joule/Brayton cycle by replacing the high-pressure compressor with a high-quality piston-based gas generator that enables extremely high compression, combustion, and expansion of the working ...
Yu-Hsuan Lin, Gregory Uhl, Florian Winter, Alexandros Lessis, Fabio Witzgall, Arne Seitz   +5 more
doaj   +1 more source

Development and Experimental Validation of a Tubular Permanent Magnet Linear Alternator for Free-Piston Engine Applications

Machines
The ongoing rise in global electricity demand highlights the need for advanced, efficient, and environmentally responsible energy conversion technologies.
Parviz Famouri, Jayaram Subramanian, Fereshteh Mahmudzadeh-Ghomi, Mehar Bade, Terence Musho, Nigel Clark   +5 more
doaj   +1 more source

Preliminary Development of a Free Piston Expander–Linear Generator for Small-Scale Organic Rankine Cycle (ORC) Waste Heat Recovery System

Energies, 2016
A novel free piston expander-linear generator (FPE-LG) integrated unit was proposed to recover waste heat efficiently from vehicle engine. This integrated unit can be used in a small-scale Organic Rankine Cycle (ORC) system and can directly convert the ...
Gaosheng Li, Hongguang Zhang, Fubin Yang, Songsong Song, Ying Chang, Fei Yu, Jingfu Wang, Baofeng Yao   +7 more
doaj   +1 more source

A Review of Syngas-Fueled Free Piston Linear Engine Generators: Efficient Fuel Opportunities

INTI Journal
As global energy consumption continues to rise and conventional fuel sources become scarcer, the need for efficient and sustainable technologies is becoming more urgent. Free piston linear engine generators (FPLGs) are emerging as a viable alternative to conventional engines, offering benefits such as lower friction losses and enhanced efficiency. This
Saraban Salsabila, Md Abu Hasan Al Askary   +1 more
openaire   +2 more sources

Optimization of Performance and Efficiency of a Fuel-Flexible Free-Piston Linear Generator (FPLG) Engine for Range Extender Application

Energies
In today’s energy landscape, defined by the growing demand for sustainable energy generation technologies and the parallel need to advance internal combustion engine (ICE) architectures toward cleaner and more efficient solutions, the adoption of Free ...
Alex Scopelliti, Daniela A. Misul, Fabrizio Santonocito, Mirko Baratta   +3 more
doaj   +1 more source