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animal-fats Biodiesel as a Heating Fuel for Agricultural Hot Air Heaters

Journal of Agricultural Science and Technology(B) 2012年第10期2卷 1073-1079页

作者： Youngjung Kim Seokho Park Youngjin Kim Chungkil Kim Energy & Environmental Division Department of Agricultural Engineering National Academy of Agricultural Science RuralDevelopment Administration Suwon Republic of Korea

Biodiesel （BD） was made from animal-fats reacting with methanol and potassium hydroxide in the laboratory. The biodiesel made in the laboratory was sent to K-petro, the government agency to inspect the quality of animal-fats biodiesel, of which generally the quality was acceptable for heating oil for agricultural hot air heater. Kinematic viscosity and calorific values of the biodiesels were measured. BD20（K）, kerosene based biodiesel, showed 18 cSt at -20 ~C. It seems that BD100 can not be suitable for heating fuel under some temperature. As BD content increased calorific value decreased up to 40,000 J/g for 100% BD （BD100） while, light oil calorific value was 45,567 J/g, showing difference of 5,567 J/g （about 12% difference）, Several different fuels including BD20 （biodiesel 20% ＋ light oil 80%）, BD50 （biodiesel 50% ＋ light oil 50%）, BD100 （biodiesel 100%） and light oil were prepared and tested for fuel combustion qualities for agricultural hot air heater and their combustion performances were compared and analyzed. Flame dimensions of biodiesels and light oil were almost same shape at the same combustion condition in the burner of the hot air heater. Generally, CO2 amounts of BDs were greater than light oil, but the differences were so small that it is hard to tell there was significant difference between the BDs combustion and light oil.

关键词： Biodiesel animal-fats combustion hot air heater.

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Performance of Tractor Diesel Engine with animal-fats Biodiesel

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Journal of Agricultural Science and Technology(B) 2013年第9期3卷 648-655页

作者： Youngjung Kim Siyoung Lee Jonggoo Kim Donghyeon Kim Honggi Choi Energy and Environmental Division Department of Agricultural Engineering National Academy of Agricultural Science Rural Development Administration Suwon Republic of Korea

animal fats biodiesel were manufactured and tested for its performance in the tractor engine and fuel adoptability in the field works. Four different fuels, three different content of biodiesel （BD20, BD50 and BD100） and light oil, were prepared and tested in the four strokes diesel engine. Power output, fuel consumption rate and exhaust gases of the four fuels in the diesel engine were compared and discussed. Power output of light oil engine was the greatest showing 5.3% difference between light oil and BDI00. But, almost no power difference between light oil engine and BD20 engine, light oil engine produced 0.37% more power than BD20 engine superior to better power than BD20 engine. Less exhaust gases of CO2, CO, NOx and total hydrocarbon （THC） were produced from animal fats biodiesel than light oil, which confirmed that biodiesel is environmental friendly fuel. For fuel adoptability in the tractor, biodiesel engine tractor showed its fuel competitiveness comparing with light oil for tractor works in the paddy field.

关键词： Biodiesel animal-fats diesel engine tractor performance exhaust gases particulate matters.

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