Advances in Integrated Internal Combustion Engine with Generator

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Mechanical Engineering".

Deadline for manuscript submissions: closed (20 April 2024) | Viewed by 2182

Special Issue Editors

School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China
Interests: free piston linear generator; control of internal combustion engine; design of modern internal combustion engine
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Guest Editor
School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China
Interests: new concept linear internal combustion power generation system

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Guest Editor
College of Electrical and Mechanical Engineering, Beijing Information Science and Technology University, Beijing 100192, China
Interests: control of internal combustion engine

Special Issue Information

Dear Colleagues,

The electric vehicle is considered as one of the promising pathways to decarbonize vehicle powertrain technology (and corresponding energy carriers), and range-extender electric vehicles (REEVs) are seen as effective solutions for overcoming the range challenge issue of the current development stage of electric vehicles. As a result, integrated internal combustion engines with generators are attractive, as they can be used as range extenders to overcome the challenge of range.

The type of integrated internal combustion engine with a generator can be either a conventional reciprocating engine with a crankshaft system, a Wanker engine, or a free-piston linear engine, with a connection of a rotary generator or a linear generator, correspondingly. There are advantages and disadvantages to each type of technology. In each case, the system design relies on mechanical, thermal, and fluid-dynamic considerations that are related to the operating conditions of the cycle. For these reasons, various developments in the analysis of integrated internal combustion engines with generators are expected.

This Special Issue aims to provide an overview focused on the novel design of integrated internal combustion engines with generators, as well highlight studies that explore and optimize the system components (of both the internal combustion engine and the generator). We expect contributions of both numerical and experimental studies.

Dr. Boru Jia
Dr. Zhiyuan Zhang
Dr. Chendong Guo
Guest Editors

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Keywords

  • electric vehicle
  • integrated internal combustion engine with generator
  • range extender
  • numerical and experimental studies

Published Papers (1 paper)

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Research

21 pages, 4613 KiB  
Article
Numerical Investigation on NOx Emission of a Hydrogen-Fuelled Dual-Cylinder Free-Piston Engine
by Chengqian Li, Yaodong Wang, Boru Jia, Zhiyuan Zhang and Anthony Roskilly
Appl. Sci. 2023, 13(3), 1410; https://doi.org/10.3390/app13031410 - 20 Jan 2023
Cited by 2 | Viewed by 1766
Abstract
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. In this work, several 1-D engine models, including conventional gasoline engines, free-piston gasoline engines [...] Read more.
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. In this work, several 1-D engine models, including conventional gasoline engines, free-piston gasoline engines and free-piston hydrogen engines, have been established. Both engine performance and emission performance under engine speeds between 5–11 Hz and with different equivalent ratios have been simulated and compared. Results indicated that the free-piston engine has remarkable potential for NOx reduction, and the largest reduction is 57.37% at 6 Hz compared with a conventional gasoline engine. However, the figure of NOx from the hydrogen free-piston engine is slightly higher than that of the gasoline free-piston engine, and the difference increases with the increase of engine speed. In addition, several factors and their relationships related to hydrogen combustion in the free-piston engine have been investigated, and results show that the equivalent ratio φ=0.88 is a vital point that affects NOx production, and the ignition advance timing could also affect combustion duration, the highest in-cylinder temperature and NOx production to a large extent. Full article
(This article belongs to the Special Issue Advances in Integrated Internal Combustion Engine with Generator)
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