Results 11 to 20 of about 34,342 (213)
Case Studies in Thermal Engineering, 2020 In this research we have formulated a model using the mechanical-acoustical method and we have constructed an experimental apparatus to investigate the performance of the free piston pulse tube engine.
Alexander I. Dovgyallo +2 more
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Numerical Investigation of a Free-Piston Hydrogen-Gasoline Engine Linear Generator
Energies, 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
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Development of Hydrogen-Free Diamond-Like Carbon Coating for Piston Rings
Tribology Online, 2017 The first piston ring application of a hydrogen-free diamond-like carbon (H-free DLC) coating to a mass-production gasoline engine reduces friction. It is found that the friction reduction effect between the cylinder bore and piston is 18%.
Tsuyoshi Higuchi +4 more
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Study on Leakage Effect Factors of Two-Stroke Micro Free Piston Swing Engine
Micromachines, 2022 The two-stroke micro free piston swing engine (MFPSE) is a portable power device. Its seal performance plays an important role in the dynamic properties and efficiency of microengines.
Shujing Miao +5 more
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Free-Piston Engine Design and Evaluation with Different Compression Ratios [PDF]
INCAS 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
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Parametric Simulations on Leakage and Performance of a Miniature Free-Piston Generator (MFPG)
Applied Sciences, 2021 The miniaturization of electrical equipment and popularization of portable devices is an appealing motivation for the development of small-scale heat engines. However, the in-cylinder charge leaks severely as the engine dimension shrinks. The free-piston
Saifei Zhang +5 more
doaj +1 more source
Energy 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
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Advances 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
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An optimization of free-piston engine generator combustion using variable piston motion
Advances 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
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A review of free piston engine control literature—Taxonomy and techniques
Alexandria 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
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