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Tytuł artykułu

Combustion characteristics for small diesel engine by using emulsified blend fuels of vegetable oil and light oil

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Języki publikacji
EN
Abstrakty
EN
The paper is focusing on combustion characteristics for small diesel engine by using emulsified blend fuels of vegetable oil and light oil. Target is to achieve low emissions and low fuel consumption for internal combustion engines. The fuels used in this study are light oil, blend fuels [light oil + coconut oil, light oil + palm oil], and emulsified fuels [light oil + water, blend fuels + water]. Mean increasing rate of pressure is calculated from the value which subtracted initial pressure from maximum burning pressure divided by total burning time. The mean increasing ratio of pressure is calculated from the value which subtracted initial pressure from maximum burning pressure divided by the total burning time. The emissions in exhaust gas are measured with an analyzer of exhaust gas. The data of 30 tests for each engine revolutions were averaged arithmetically. Experimental approach and results have been presented by details. The main conclusions are as follows: it is possible to control the combustion behaviour by using blend fuels and emulsified blend fuels for small diesel engine; the maximum burning pressure of emulsified blend fuels increases at low engine speed; the CO emission of blend fuels is smaller than that of light oil; the NOX emission of emulsified coconut blend fuel and emulsified palm blend fuel is smaller than that of light oil; the CO emission of emulsified Coconut-Palm blend fuel is equal to that of light oil at low engine speed.
Twórcy
autor
  • Faculty of Science and Engineering Hosei University Kajino-cho, Koganei, Tokyo 184-8584 Japan, kawakami@hosei.ac.jp
Bibliografia
  • [1] Iijima, A., Shoji, H., A study of HCCI combustion characteristics using Spectroscopic Techniques, SAE paper 2007-01-1886, 2007.
  • [2] Tsutsumi, Y., Hoshina, K., Iijima, A., Shoji, H., Analysis of the combustion characteristics of HCCI Engine operationg on DME and Methane, SAE paper No. 2007-32-0041, 2007.
  • [3] Lim, O. T., et al, The fuel unmixedness effect on DME HCCI combustion using rapid compression and expansion machine, SAE paper No.2007-42-0042, 2007.
  • [4] Daisho, Y., et al, Contolling combustion and exhaust emissions in a Direct-injection diesel engine dual-fueled with natural gas, SAE paper, No.952436, 1995.
  • [5] Tomita et al, Effects of EGR and early injection of diesel fuel on combustion characteristics and exhaust emissions in a methane dual fuel engine, SAE paper, No.2002-01-2723, 2002.
  • [6] Hill, P. G., et al, NOx reduction from heavy-duty diesel engine with direct injection of natural gas and cooled exhaust gas recirculation, International Journal of Engine Research, Vol. 5, No. 2, pp. 175-191, 2003.
  • [7] Tomita et al, Combustion characteristics and performance of supercharged micro-pilot natural gas engine, Proceedings of FISITA 2006 World Automotive Congress, Paper No. F2006, p. 230, pp. 1-10, 2006.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BUJ5-0041-0021
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