Results 21 to 30 of about 2,661 (278)

Free-Piston Engine Design and Evaluation with Different Compression Ratios [PDF]

open access: yesINCAS Bulletin, 2021
Free-piston heat engines are being examined by a number of international research groups as an option for conservative technology, as they are not limited by the movement of the crankshaft as in conventional engines.
B. KIRUBADURAI   +2 more
doaj   +1 more source

Performance characteristics of a small poppet valve crankshaft engine in free-piston engine mode [PDF]

open access: yes, 2021
The free-piston engine generator (FPEG) provides a novel method for electrical power generation in the range extender and hybrid electric vehicle application.
Mohd Razali, Hanipah   +1 more
core   +1 more source

Influence of Pressure Build-Up Time of Compression Chamber on Improving the Operation Frequency of a Single-Piston Hydraulic Free-Piston Engine

open access: yesAdvances in Mechanical Engineering, 2013
A single-piston hydraulic free-piston engine with a two-cylinder four-stroke diesel engine as its driver is introduced. It takes the free-piston assembly a certain time to move after the pressure in the compression chamber starts to increase.
Hai-bo Xie   +3 more
doaj   +1 more source

Development and performance measurements of a 2.5 kW-class free-piston stirling converter with detailed design and fabrication processes

open access: yesEnergy Reports, 2022
This study presents the development and performance measurement of a 2.5 kW class free-piston Stirling engine with detailed design and fabrication processes, considering flexure spring stiffness effects on the engine dynamics and performance.
Dong-Jun Kim, Jong-Su Park, Kyuho Sim
doaj   +1 more source

An optimization of free-piston engine generator combustion using variable piston motion

open access: yesAdvances in Mechanical Engineering, 2017
The free-piston engine generator has been a research focus lately due to its crankless structure and unconstrained piston motion, which brings about some weaknesses for the combustion process.
Jing Xu   +3 more
doaj   +1 more source

Simulation model “free-piston engine – electromechatronic converter on the basis of an electrical generator reciprocating”

open access: yesВесці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навук, 2020
The analysis of the state and prospects of development of autonomous electric power sources with electric reciprocating motion generators has shown that at present, low-power systems “free-piston engine – electromechanotron сonverter based on an electric
A. B. Menzhinsky, A. N. Malashin
doaj   +1 more source

A review of free piston engine control literature—Taxonomy and techniques

open access: yesAlexandria Engineering Journal, 2022
The free piston engine linear generator (FPELG) is a simple structure engine with only two main parts, i.e., the linear generator and a free piston engine, which has less friction, low emission, high thermal efficiency, and multi-fuel engine.
Ahmed T. Raheem   +4 more
doaj   +1 more source

Free-Piston Stirling Engine demonstrator test plan [PDF]

open access: yes, 1978
Mechanical Technology Incorporated is developing a 1 KWe Free-Piston Stirling ENgine (FPSE) Power System. The plan for testing the demonstrator power system is presented.

core   +1 more source

Design considerations of a linear generator for a range extender application

open access: yesArchives of Electrical Engineering, 2015
The free piston linear generator is a new range extender concept for the application in a full electric vehicle. The free piston engine driven linear generators can achieve high efficiency at part and full load which is suitable for the range extender ...
Seo Un-Jae   +3 more
doaj   +1 more source

Research on starting process and control strategy of opposed-piston free-piston engine generator _ Simulation and test results

open access: yesEnergy Reports, 2021
The operation process of free-piston engine generator (FPEG) can be divided into starting process and power generation process, and each of them faces severe challenges especially for the opposed-piston FPEG.
Limin Wu   +5 more
doaj   +1 more source

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