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Title: Effect of first and second generation biodiesel blends on engine performance and emission

Abstract

The biodiesel is a potential source of alternative fuel which can be used at different proportions with diesel fuel. This study experimentally investigated the effect of blend percentage on diesel engine performance and emission using first generation (soybean) and second generation (waste cooking) biodiesel. The characterization of the biodiesel was done according to ASTM and EN standards and compared with ultralow sulfur diesel (ULSD) fuel. A multi-cylinder test bed engine coupled with electromagnetic dynamometer and 5 gas analyzer were used for engine performance and emission test. The investigation was made using B5, B10 and B15 blends for both biodiesels. The study found that brake power (BP) and brake torque (BT) slightly decreases and brake specific fuel consumption (BSFC) slightly increases with an increase in biodiesel blends ratio. Besides, a significant reduction in exhaust emissions (except NO{sub x} emission) was found for both biodiesels compared to ULSD. Soybean biodiesel showed better engine performance and emissions reduction compared with waste cooking biodiesel. However, NO{sub x} emission for B5 waste cooking biodiesel was lower than soybean biodiesel.

Authors:
; ;  [1];  [2]
  1. School of Engineering and Technology, Central Queensland University, Rockhampton, QLD 4702 (Australia)
  2. Department of Mechanical Engineering, Bangladesh University of Engineering and Technology, Dhaka-1000 (Bangladesh)
Publication Date:
OSTI Identifier:
22608560
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1754; Journal Issue: 1; Conference: ICME 2015: 11. international conference on mechanical engineering, Dhaka (Bangladesh), 18-20 Dec 2015; Other Information: (c) 2016 Author(s); Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
09 BIOMASS FUELS; AIR POLLUTION ABATEMENT; BIODIESEL FUELS; BORON PHOSPHIDES; COMPARATIVE EVALUATIONS; DIESEL ENGINES; DIESEL FUELS; DYNAMOMETERS; EMISSION; FOOD PROCESSING; FUEL CONSUMPTION; NITROGEN OXIDES; PERFORMANCE; SOYBEANS; SULFUR; TORQUE; WASTES

Citation Formats

Azad, A. K., E-mail: azad.cqu@gmail.com, E-mail: a.k.azad@cqu.edu.au, Rasul, M. G., E-mail: m.rasul@cqu.edu.au, Bhuiya, M. M. K., E-mail: m.bhuiya@cqu.edu.au, and Islam, Rubayat, E-mail: rubayat12@yahoo.com. Effect of first and second generation biodiesel blends on engine performance and emission. United States: N. p., 2016. Web. doi:10.1063/1.4958422.
Azad, A. K., E-mail: azad.cqu@gmail.com, E-mail: a.k.azad@cqu.edu.au, Rasul, M. G., E-mail: m.rasul@cqu.edu.au, Bhuiya, M. M. K., E-mail: m.bhuiya@cqu.edu.au, & Islam, Rubayat, E-mail: rubayat12@yahoo.com. Effect of first and second generation biodiesel blends on engine performance and emission. United States. doi:10.1063/1.4958422.
Azad, A. K., E-mail: azad.cqu@gmail.com, E-mail: a.k.azad@cqu.edu.au, Rasul, M. G., E-mail: m.rasul@cqu.edu.au, Bhuiya, M. M. K., E-mail: m.bhuiya@cqu.edu.au, and Islam, Rubayat, E-mail: rubayat12@yahoo.com. 2016. "Effect of first and second generation biodiesel blends on engine performance and emission". United States. doi:10.1063/1.4958422.
@article{osti_22608560,
title = {Effect of first and second generation biodiesel blends on engine performance and emission},
author = {Azad, A. K., E-mail: azad.cqu@gmail.com, E-mail: a.k.azad@cqu.edu.au and Rasul, M. G., E-mail: m.rasul@cqu.edu.au and Bhuiya, M. M. K., E-mail: m.bhuiya@cqu.edu.au and Islam, Rubayat, E-mail: rubayat12@yahoo.com},
abstractNote = {The biodiesel is a potential source of alternative fuel which can be used at different proportions with diesel fuel. This study experimentally investigated the effect of blend percentage on diesel engine performance and emission using first generation (soybean) and second generation (waste cooking) biodiesel. The characterization of the biodiesel was done according to ASTM and EN standards and compared with ultralow sulfur diesel (ULSD) fuel. A multi-cylinder test bed engine coupled with electromagnetic dynamometer and 5 gas analyzer were used for engine performance and emission test. The investigation was made using B5, B10 and B15 blends for both biodiesels. The study found that brake power (BP) and brake torque (BT) slightly decreases and brake specific fuel consumption (BSFC) slightly increases with an increase in biodiesel blends ratio. Besides, a significant reduction in exhaust emissions (except NO{sub x} emission) was found for both biodiesels compared to ULSD. Soybean biodiesel showed better engine performance and emissions reduction compared with waste cooking biodiesel. However, NO{sub x} emission for B5 waste cooking biodiesel was lower than soybean biodiesel.},
doi = {10.1063/1.4958422},
journal = {AIP Conference Proceedings},
number = 1,
volume = 1754,
place = {United States},
year = 2016,
month = 7
}
  • The effect of biodiesel content on homogeneous charge compression ignition (HCCI) engine performance has been investigated both experimentally and by computer simulation. Combustion experiments were performed in a single cylinder HCCI engine using blends of soy biodiesel in ultra low sulfur diesel, with concentrations ranging from 0 to 50 vol% and equivalence ratios ( ) from 0.38 to 0.48. Data from the engine tests included combustion analysis and exhaust composition analysis with standard gaseous emissions equipment. The engine utilized a custom port fuel injection strategy to provide highly premixed charges of fuel and air, making it possible to compare themore » results with single zone chemical kinetics simulations that were performed using CHEMKIN III, with a reaction set including 670 species and over 3000 reactions. The reaction mechanism incorporated equations for the combustion of a paraffinic fuel, n-heptane, and an oxygenated component, methyl butanoate, as well as reactions for the formation of NOx. The zero-dimensional model did a reasonably good job of predicting the HCCI combustion event, correctly predicting intake temperature effects on the phasing of both low temperature heat release (LTHR) and the main combustion event. It also did a good job of predicting the magnitude of LTHR. Differences between the simulation and experimental data included the dependence on biodiesel concentration and the duration of both LTHR and the main combustion event. The probable reasons for these differences are the changing derived cetane number (DCN) of the model fuel blend with biodiesel concentration, and the inability of the model to account for stratification of temperature and . The simulation also showed that concentrations of intermediate species produced during LTHR are dependent on the magnitude of LTHR, but otherwise the addition of biodiesel has no discernable effect.« less
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