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Article

6 Citations

2,875 Views

29 Pages

Exploration of the Optimal Spark Plug Position and the Effect of Ignition Timing on the Combustion and Emission Characteristics of Opposed Rotary Piston Engines

Jilong Song,
Xiaopan Li,
Jianbing Gao,
Jian Gao,
Meng Zhao,
Yufeng Wang,
Xiaochen Wang,
Mingxu Qi,
Guohong Tian and
Zhongwei Meng
+ 1 author

Processes2025, 13(3), 657;https://doi.org/10.3390/pr13030657

26 February 2025

The opposed rotary piston (ORP) engine, distinguished by its exceptional power-to-weight ratio and uncomplicated design, serves as an optimal power system for Unmanned Aerial Vehicles (UAVs). Based on the three-dimensional simulation platform, the en...

(This article belongs to the Special Issue Advances in Green Propulsion Engine and Environmental Pollution Control)

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Feature Paper
Article

6 Citations

5,580 Views

22 Pages

The Effect of Ignition Timing on the Emission and Combustion Characteristics for a Hydrogen-Fuelled ORP Engine at Lean-Burn Conditions

Junfeng Huang,
Jianbing Gao,
Ce Yang,
Guohong Tian and
Chaochen Ma

Processes2022, 10(8), 1534;https://doi.org/10.3390/pr10081534

5 August 2022

The application of hydrogen fuel in ORP engines makes the engine power density much higher than that of a reciprocating engine. This paper investigated the impacts of combustion characteristics, energy loss, and NO_x emissions of a hydrogen-fuelled OR...

(This article belongs to the Special Issue Combustion Process and Emission Control of Alternative Fuels)

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