Results 1 to 10 of about 14,683 (166)

Study on Leakage Effect Factors of Two-Stroke Micro Free Piston Swing Engine [PDF]

open access: yesMicromachines, 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
doaj   +2 more sources

Quantitative comparison of the operating characteristics and engine performances of typical configurations of free-piston engine linear generator [PDF]

open access: yesScientific Reports
Due to their unique operating characteristics and high thermal efficiencies, free-piston engine linear generator (FPELG) has attracted research interest in recent years, thanks to the crankshaft absence.
Chendong Guo   +4 more
doaj   +2 more sources

Numerical Investigation on NOx Emission of a Hydrogen-Fuelled Dual-Cylinder Free-Piston Engine

open access: yesApplied Sciences, 2023
The free-piston engine is a type of none-crank engine that could be operated under variable compression ratio, and this provides it flexible fuel applicability and low engine emission potential.
Chengqian Li   +4 more
doaj   +1 more source

Simulation investigates on operation characteristics of free piston internal combustion generator

open access: yesAdvances in Mechanical Engineering, 2023
To study the influence of the free piston generator structure on its stable operation, this paper chose the combining mathematical and physical methods to build a simulation model to investigate the influence factors.
Meng Yubo   +4 more
doaj   +1 more source

Research on the Operating Characteristics of Hydraulic Free-Piston Engines: A Systematic Review and Meta-Analysis

open access: yesEnergies, 2021
The hydraulic free-piston engine (HFPE) is a kind of hybrid-powered machine which combines the reciprocating piston-type internal combustion engine and the plunger pump as a whole.
Fukang Ma   +3 more
doaj   +1 more source

Numerical study of different shape design of piston bowl for diesel engine combustion in a light duty single-cylinder engine

open access: yesHeliyon, 2022
Diesel engine is the prime mover on land transportation industry and used in a variety of power generation applications due to their higher fuel efficiency.
Habtamu Deresso   +3 more
doaj   +1 more source

FREE-PISTON COMPRESSOR-ENGINES [PDF]

open access: yesNature, 1947
The Pescara free-piston engine has been developed in France during the last twenty years, and the paper gives a description of a portable air compressor which has been proved in commercial work, and is now in production. An explanation is given of those characteristics in which this engine differs from the orthodox engine-driven crankshaft compressor.
openaire   +2 more sources

Effect of Nonlinear Spring Characteristics on the Efficiency of Free-Piston Engine Generator

open access: yesEnergies, 2022
Piston motion is an important factor in improving the energy conversion efficiency of free-piston engine generators (FPEGs), and an air cylinder is an important component affecting piston motion.
Shoma Irie   +4 more
doaj   +1 more source

Research on Piston Dynamics and Engine Performances of a Free-Piston Engine Linear Generator Coupling with Various Rebound Devices

open access: yesEnergies, 2023
Free-piston engine linear generators (FPELGs) are an innovative linear power device that exhibits the distinctive dynamics of pistons and performance of free-piston engines.
Chendong Guo   +5 more
doaj   +1 more source

Stirling Engine and oil-free compressors [PDF]

open access: yesE3S Web of Conferences, 2021
Refering to figure 1 [Fig.1], an oscillating « flipper » piston (1) and its associated chamber (2) are maintained without reciprocal contact. No oil is required because there is no contact and so no friction.
Raballand Thierry
doaj   +1 more source

Home - About - Disclaimer - Privacy