Results 31 to 40 of about 5,004,714 (344)

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

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

Power Generation via Small Length Scale Thermo-Mechanical Systems: Current Status and Challenges, a Review

open access: yesEnergies, 2018
There has been significant interest and work toward the development of small length scale (micrometer to centimeter) energy conversion systems—heat engines and thermal energy harvesters—that operate on different thermal sources.
Sindhu Preetham Burugupally   +1 more
doaj   +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

MEMS-Based Boiler Operation from Low Temperature Heat Transfer and Thermal Scavenging

open access: yesMicromachines, 2012
Increasing world-wide energy use and growing population growth presents a critical need for enhanced energy efficiency and sustainability. One method to address this issue is via waste heat scavenging.
Leland Weiss   +3 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

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

Effects of Injector Spray Angle on Performance of an Opposed-Piston Free-Piston Engine

open access: yesEnergies, 2020
A free-piston engine is a novel internal combustion engine which has the advantages of a variable compression ratio and multi-fuel adaptability. This paper focuses on numerical simulation for combustion process and spray angle optimization of an opposed ...
Qinglin Zhang   +3 more
doaj   +1 more source

Research on vibration isolation method of a novel power source

open access: yesEnergy Reports, 2020
Free-piston linear generator (FPLG) is a novel power source which combines free-piston engines and a linear electric generator. Piston motion and vibration excitation characteristics of FPLG are quite different from the traditional reciprocating engines.
Jingyi Tian   +3 more
doaj   +1 more source

Effect of the stroke-to-bore ratio on the performance of a dual-piston free piston engine generator

open access: yes, 2021
The free piston engine generator (FPEG) is considered as one of the next generation efficient energy conversion device because of its compact structure, high geometric power ratio and low pollution. This paper investigated the effect of stroke-to-bore (S/
Zhiyuan Zhang   +5 more
semanticscholar   +1 more source

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