Special Issue "Combustion Study of Biodiesel and Biofuel"

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

Deadline for manuscript submissions: closed (30 January 2019)

Special Issue Editor

Guest Editor
Prof. Wenming Yang

Department of mechanical engineering, National University of Singapore, 9 Engineering Drive 1, 117575 Singapore
Website | E-Mail
Interests: combustion; biofuels; internal combustion engines; boilers

Special Issue Information

Dear Colleagues,

Transportation is the lifeline of the world economy; however, it is also the biggest contributor to energy consumption and greenhouse gas emissions. To address the people's growing concern regarding energy safety and global warming, it is important to explore greener and sustainable fuels for transportation. Of the various candidates, biodiesel and biofuels are recognized as the most promising alternates for fossil fuel in transportation due to its inherent merits of renewability and carbon neutral. However, there still lacks a consensus conclusion on the combustion process and emissions formation when biodiesel and biofuels are used in internal combustion engines. To bridge this gap, in this Special Issue, we are looking for original contributions related to combustion study of biodiesel and biofuels including but not limited to: fundamental study on combustion process of biodiesel and biofuels (methanol, ethanol, syngas, etc.) and their blends in shock tube, fast compression machines and IC engines, as well as numerical modeling on the combustion process and emission formations.

Prof. Wenming Yang
Guest Editor

Manuscript Submission Information

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Keywords

  • Biodiesel
  • Biofuels
  • Combustion
  • IC engines
  • soot
  • NOx

Published Papers (1 paper)

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Review

Open AccessReview A Review of the Developed New Model Biodiesels and Their Effects on Engine Combustion and Emissions
Appl. Sci. 2018, 8(11), 2303; https://doi.org/10.3390/app8112303
Received: 13 October 2018 / Revised: 15 November 2018 / Accepted: 15 November 2018 / Published: 19 November 2018
Cited by 2 | PDF Full-text (2134 KB) | HTML Full-text | XML Full-text
Abstract
Biodiesel is regarded to be a renewable, CO2 neutral and thus sustainable biological alternative diesel fuel. With attention to the reduction of petroleum import, PM 2.5 aerosol particles and the greenhouse effect gas CO2, biodiesel has drawn great research interests [...] Read more.
Biodiesel is regarded to be a renewable, CO2 neutral and thus sustainable biological alternative diesel fuel. With attention to the reduction of petroleum import, PM 2.5 aerosol particles and the greenhouse effect gas CO2, biodiesel has drawn great research interests and efforts in the past decade in China. Generally, biodiesel refers to fatty acid methyl ether (FAME) which has a proved effect in reducing diesel emission, particularly PM. However, FAME has a limited cetane number and oxygen content, to study the effects of elevated cetane number and oxygen content on fuel properties, engine combustion and emissions, ethylene glycol monomethyl ether is used to produce a series of new models of biodiesels by transesterification method. The feedstocks are rapeseed oil, soybean oil, peanut oil, palm oil and cottonseed oil. Ether group alcohols used in this study include ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol monopropyl ether, propylene glycol monomethyl ether, diethylene glycol monomethyl ether, triethylene glycol monomethyl ether. The molecular structure was proved by FT-IR and NMR analyses. Fuel properties were measured based on the corresponding standards. The developed new model biodiesels have cetane number (CN) over 70 and oxygen content over 17% by mass, which are higher than FAME (50 CN and 11% oxygen). They have the same level of lower heating value as FAME, but have a higher density, which helps to compensate the decrease of engine power. Meanwhile, the engine tests were carried out to investigate the effects of ether ester group on engine combustion and emissions. The test results show that FAME reduced smoke 30% to 50%, while the new model biodiesel fuels reduced engine smoke as high as 80% and have the potential to decrease engine HC, CO and NOx emissions 50% or more. Full article
(This article belongs to the Special Issue Combustion Study of Biodiesel and Biofuel)
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