Experimental investigation of emissions characteristics of small diesel engine fuelled by blended crude palm oil
Biodiesel is an alternative, decomposable and biological-processed fuel that has similar characteristics with mineral diesel which can be used directly into diesel engines. Crude palm oil (CPO) is one of the vegetable oil that has potential for use as a fuel in diesel engine. However, Biodiesel is a...
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| Main Authors: | , , , , , , |
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| Format: | Article |
| Published: |
Trans Tech Publications Inc
2014
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| Subjects: | |
| Online Access: | http://dx.doi.org/10.4028/www.scientific.net/AMM.660.462 http://dx.doi.org/10.4028/www.scientific.net/AMM.660.462 http://eprints.uthm.edu.my/6395/1/Experimental_Investigation_of_Emissions_Characteristics_of_Small_Diesel.pdf |
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| Summary: | Biodiesel is an alternative, decomposable and biological-processed fuel that has similar
characteristics with mineral diesel which can be used directly into diesel engines. Crude palm oil
(CPO) is one of the vegetable oil that has potential for use as a fuel in diesel engine. However,
Biodiesel is also an oxygenated and more density, viscosity meaning it contains influences the
emissions production during burning process. Despite years of improvement attempts, the key issue
in using crude palm oil fuels is oxidation stability, high viscosity and much oxygen comparing to
diesel fuel. Thus, the improvement of performance and emission exhausted from biodiesel fuels is
urgently required to meet the future performance and emission regulations. Purpose of this study is
to explore how significant the effect of biodiesel blends on the exhaust emission with different
speed. The engine speed was varied from 1500-2500 rpm and CPO blending ratio from 5-15 vol%
(B5-B15).The emission parameter have been tested in term of opacity, hydrocarbon (HC), nitrogen
oxide (NOX), carbon dioxide (CO2 ) and oxygen (O2). Increased blends of biodiesel ratio is found
to enhance the combustion process, resulting in decreased the HC emissions and also other exhaust
emission element. The improvement of combustion process is expected to be strongly influenced by
oxygenated fuel in biodiesel content. |
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