Performance prediction and parameters optimization of an opposed-piston free piston engine generator using response surface methodology

F Yang, H Feng, L Wu, Z Zhang, J Wang - Energy Conversion and …, 2023 - Elsevier
The opposed-piston free-piston engine generator (FPEG) has high energy conversion
efficiency, but its thermodynamic performance is significantly affected by various system …

Operating characteristics of a linear range extender with different energy consumption topologies

Y Wei, Z Zuo, B Jia, Z Zhang, B Mei, H Feng… - Applied Thermal …, 2023 - Elsevier
The free-piston linear generator is a new energy transformation technology with compact
structure, multi-fuel adaptability, low friction loss, and simple modular configuration. To …

Exploring piston dynamics and combustion characteristics of free-piston engine linear generator with hydrogen-rich fuel

C Guo, D Shi, L Tong, H Deng, H Feng - International Journal of Hydrogen …, 2024 - Elsevier
Free-piston engine linear generator (FPELG) is an innovative energy conversion device,
offering multifuel adaptability and a simple structure. With the piston motion characteristics of …

Influence analysis of position error to the operating characteristics of opposed-piston free-piston engine generator with position observation optimization

F Yang, H Feng, B Jia, Z Zhang, L Wu - Energy, 2024 - Elsevier
Stable operation is a crucial challenge for opposed-piston free-piston engine generator
(FPEG). Due to the absence of mechanical constraints, variations position-based operation …

A coupling study of ignition position on fuel-air mixing and diffusion of a linear hydrogen engine

D Liu, C Yuan - International Journal of Hydrogen Energy, 2022 - Elsevier
Linear hydrogen engine (LHE) is a new technology of hydrogen energy utilization due to its
flexible compression ratio coupling with ignition, fuel-air mixing, and combustion to optimize …

Numerical simulation of the effect of spring dynamics on the combustion of free piston linear engine

C Yuan, L He, L Zhou - Energy, 2022 - Elsevier
Free piston linear engine (FPLE) is a new potential alternative to conventional engine, and
the mechanical spring of the engine is a key energy storage device to maintain reciprocating …

Performance Characteristic of Permanent Magnet Linear Generator for Energy Conversion with Renewable Fuels on Free‐Piston Engines

Y Wei, Z Zuo, B Jia, Z Zhang, H Feng… - International Journal of …, 2024 - Wiley Online Library
Renewable fuels attract more attention owing to reduction of both air pollution and
greenhouse gas emissions compared to fossil fuels. The free‐piston engine generator is a …

Experimental study on combustion stability and performance of hydrogen-enriched compressed natural gas of a free-piston linear generator

MA Ismael, ARA Aziz, SE Mohammed… - International Journal of …, 2021 - Elsevier
Abstract Free Piston linear Generator (FPLG) engine fueled by compressed natural gas
(CNG) has recently gained increased research attention. However, due to the low-velocity …

Impact of combustion variance on sustainability of free-piston linear generator during steady-state generation

A Bashir, SA Zulkifli, ARA Aziz, EZZ Abidin - Energies, 2021 - mdpi.com
A free-piston linear generator (FPLG) has a number of advantages compared to a traditional
crank-slider internal combustion engine, including better thermal and mechanical …

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

WB Ayandotun, ARA Aziz, MA Ismael… - Case Studies in Thermal …, 2022 - Elsevier
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 …