Results 21 to 30 of about 3,445,936 (293)

Numerical Investigation of a Free-Piston Hydrogen-Gasoline Engine Linear Generator

open access: yesEnergies, 2020
The free-piston engine linear generator (FPELG) is being investigated by many researchers because of its high thermal efficiency and its variable compression ratio. However, all researchers focused on the FPELG characteristics with mono-fuel.
Ziwei Zhang, Huihua Feng, Zhengxing Zuo
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

An internal combustion alternator with both free piston and cylinder

open access: yesEngineering Science and Technology, an International Journal, 2019
The free-piston generator has more merits than the traditional reciprocating engines, and has been under extensive investigation. This study focuses on the development two novel perspective ideas unlike already advanced the linear free piston generator ...
V. Shmelev
doaj   +1 more source

A Review of the Design and Control of Free-Piston Linear Generator

open access: yesEnergies, 2018
The Free-piston linear generator (FPLG) is a novel energy converter which can generate electrical energy and is regarded as a potential technology for solving the restriction of the short driving range of electric vehicles.
Xuezhen Wang   +4 more
doaj   +1 more source

An investigation of a hypocycloid mechanism based twin-rotor piston engine [PDF]

open access: yes, 2014
A unique mechanism is investigated in this paper to show the working principles of a novel hypocycloid twin-rotor piston engine (HTRPE), which provides the basis for the structural design, kinematic and dynamical analysis necessary to realize the engine.
Gu, Fengshou   +8 more
core   +1 more source

A Free-Piston Linear Generator Control Strategy for Improving Output Power

open access: yesEnergies, 2018
This paper presents a control strategy to improve the output power for a single-cylinder two-stroke free-piston linear generator (FPLG). The comprehensive simulation model of this FPLG is established and the operation principle is introduced. The factors
Chi Zhang   +7 more
doaj   +1 more source

Compression Ratio Control of an Opposed-Piston Free-Piston Engine Generator Based on Artificial Neural Networks

open access: yesIEEE Access, 2020
Opposed-piston free-piston engine generator (FPEG), as an energy conversion device, has attracted the attention of researchers with its advantages of variable compression ratio (CR) and good dynamic balance performance.
Jinkang Lu, Zhaoping Xu, Liang Liu
doaj   +1 more source

Nitrogen driver for low-enthalpy testing in free-piston-driven shock tunnels

open access: yes, 2021
Nitrogen is proposed as a suitable driver gas candidate for the operation of free-piston-driven shock tunnels at low total enthalpies. When compressed adiabatically, nitrogen has a lower speed of sound than the commonly used driver gases, e.g., argon and
Gildfind, D. E.   +5 more
core   +1 more source

METHODS OF STRUCTURAL AND PARAMETRIC SYNTHESIS OF COMBINED GENERATOR OF RECIPROCATING POWER PLANTS FOR ROBOTIC SYSTEMS ON THE BASIS OF A FREE PISTON ENGINE

open access: yesВесці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навук, 2018
Power supply system of advanced robotic systems requires the development of electromechanical energy converters with high energy and minimum weight and overall dimensions. In this regard, a free piston engine with an electric generator is considered as a
A. B. Menzhinsky, A. N. Malashin
doaj   +1 more source

Investigation on free-piston motion and power generation of a dual-piston air-driven expander linear generator

open access: yesEnergy Reports, 2021
In this paper, an experimental test rig has been developed by utilising the free-piston linear generator (FPLG) principle of a dual-piston air-driven system.
Mhadi A. Ismael   +9 more
doaj   +1 more source

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