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Volume 8
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10.3390/pr8091141
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Article

Alexandrian Laurel for Biodiesel Production and its Biodiesel Blends on Performance, Emission and Combustion Characteristics in Common-Rail Diesel Engine

by
Yew Heng Teoh
1,*,
Heoy Geok How
2,
Thanh Danh Le
3,4,* and
Huu Tho Nguyen
5
1
School of Mechanical Engineering, Universiti Sains Malaysia, Engineering Campus, Nibong Tebal 14300, Penang, Malaysia
2
Department of Engineering, School of Engineering, Computing and Built Environment, UOW Malaysia KDU Penang University College, 32 Jalan Anson, Georgetown 10400, Penang, Malaysia
3
Division of Computational Mechatronics, Institute for Computational Science, Ton Duc Thang University, Ho Chi Minh City 760310, Vietnam
4
Faculty of Electrical & Electronics Engineering, Ton Duc Thang University, Ho Chi Minh City 760310, Vietnam
5
Department of Mechatronics Engineering Technology, Ho Chi Minh City University of Food Industry, 140 Le Trong Tan Street, Tan Phu District, Ho Chi Minh City 760310, Vietnam
*
Authors to whom correspondence should be addressed.
Processes 2020, 8(9), 1141; https://doi.org/10.3390/pr8091141
Submission received: 17 August 2020 / Revised: 29 August 2020 / Accepted: 10 September 2020 / Published: 12 September 2020
(This article belongs to the Special Issue Progress in Energy Conversion Systems and Emission Control)
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Abstract

A two-step transesterification process was employed in the biodiesel production from non-edible Alexandrian Laurel. The key physicochemical properties of the Alexandrian Laurel biodiesel (ALB), diesel and blends of both fuels were compared and analyzed. The effects of blending biodiesel (ALB) and petroleum diesel on engine performance, combustion and exhaust emissions were investigated in a turbocharged, high-pressure common-rail diesel engine under six different speed operations and at full load conditions. The test fuels comprised a conventional diesel fuel and four different fuel blends of ALB. The results showed relatively close physicochemical properties of ALB and its blends when compared with petroleum diesel. However, the use of ALB-blended fuel resulted in penalties engine brake power, brake specific fuel consumption (BSFC) despite slightly improved brake thermal efficiency (BTE). Brake specific nitrogen oxide (BSNOx) was found worsened with higher ALB content in the blends. Nonetheless, consistent improvements in brake specific carbon monoxide (BSCO), brake specific carbon dioxide (BSCO2), and smoke were noticed when ALB blends were used. Additionally, ALB blends contributed to reduction in peak combustion pressure, peak heat release rate (HRR) and combustion duration. In general, the findings suggest satisfactory operation with ALB biodiesel-diesel blends in an unmodified diesel engine.
Keywords: non-edible; combustion; Alexandrian Laurel oil; biodiesel; common-rail; emissions non-edible; combustion; Alexandrian Laurel oil; biodiesel; common-rail; emissions

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MDPI and ACS Style

Teoh, Y.H.; How, H.G.; Le, T.D.; Nguyen, H.T. Alexandrian Laurel for Biodiesel Production and its Biodiesel Blends on Performance, Emission and Combustion Characteristics in Common-Rail Diesel Engine. Processes 2020, 8, 1141. https://doi.org/10.3390/pr8091141

AMA Style

Teoh YH, How HG, Le TD, Nguyen HT. Alexandrian Laurel for Biodiesel Production and its Biodiesel Blends on Performance, Emission and Combustion Characteristics in Common-Rail Diesel Engine. Processes. 2020; 8(9):1141. https://doi.org/10.3390/pr8091141

Chicago/Turabian Style

Teoh, Yew Heng, Heoy Geok How, Thanh Danh Le, and Huu Tho Nguyen. 2020. "Alexandrian Laurel for Biodiesel Production and its Biodiesel Blends on Performance, Emission and Combustion Characteristics in Common-Rail Diesel Engine" Processes 8, no. 9: 1141. https://doi.org/10.3390/pr8091141

APA Style

Teoh, Y. H., How, H. G., Le, T. D., & Nguyen, H. T. (2020). Alexandrian Laurel for Biodiesel Production and its Biodiesel Blends on Performance, Emission and Combustion Characteristics in Common-Rail Diesel Engine. Processes, 8(9), 1141. https://doi.org/10.3390/pr8091141

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