Results 21 to 30 of about 6,942,124 (246)

Research of a Hybrid Diesel Locomotive Power Plant Based on a Free-Piston Engine

open access: yesCommunications, 2020
This article describes one of the possible ways for improving the energy efficiency of shunting diesel locomotives. It means a replacing a traditional traction electric transmission with a diesel generator set with a hybrid transmission with a free ...
Serhiy Buriakovskyi   +4 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

Performance Analysis of a Flexi-Fuel Turbine-Combined Free-Piston Engine Generator

open access: yesEnergies, 2019
The turbine-combined free-piston engine generator (TCFPEG) is a hybrid machine, generating both mechanical work from the gas turbine and electricity from the linear electric generator for battery charging.
Boru Jia   +5 more
doaj   +1 more source

Active vibration control for a Free Piston Stirling Engine generator using a voice coil actuator [PDF]

open access: yes, 2015
This work presents the study of active vibration control for a FPSE/ LA engine to ensure a reliable engine operation within a broader range of operation frequencies [50 ± 3 Hz] complying with new regulations.
Torres Perez, Angel; id_orcid   +6 more
core   +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

Performance simulation of a spark ignited free-piston engine generator

open access: yes, 2008
Free-piston engines are under investigation by a number of research groups worldwide due to potential fuel efficiency and engine emissions advantages. The free-piston engine generator, in which a linear electric generator is fixed to the mover to produce
Roskilly AP, Mikalsen R
core   +5 more sources

Control of linear generator based on hysteresis‐SVPWM current rectification and bidirectional buck/boost converter used for energy storage

open access: yesIET Renewable Power Generation, 2021
The free‐piston Stirling linear generation system has tremendous applications in space power supply, biomass generation, solar thermal generation, factory waste heat generation, and other industrial fields.
Murad Ali   +3 more
doaj   +1 more source

Non-linear and multi-domain modelling of a permanent magnet linear synchronous machine for free piston engine generators

open access: yesEnergy Conversion and Management: X, 2022
The Free Piston Engine (FPE) can be considered a viable and promising option in future low-carbon technology development. When coupled to the Linear Electric Machine (LEM) to produce electrical energy, its characteristic non-linear dynamics typically have been described as linear when considering a systems-level modelling approach.
Brosnan, Patrick   +4 more
openaire   +2 more sources

Comparative assessment of the performance and combustion attributes of a free piston linear generator fuelled with CNG and CNG-CO2

open access: yesCase Studies in Thermal Engineering, 2022
A free-piston linear generator (FPLG) is an energy conversion device that can generate electrical energy utilizing different types of fuel. Natural gas fields with high carbon dioxide (CO2) content are being simulated for study, knowing that the presence
Wasiu B. Ayandotun   +4 more
doaj   +1 more source

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

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