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A study of emission reduction by using alcohol blend fuel for small diesel engine

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Języki publikacji
EN
Abstrakty
EN
In practical diesel engines it is to achieve a low emission and low fuel consumption under from low to high load operation conditions. Several techniques were developed for the low emission and high efficiency, such as Homogeneous Charge Compression-Ignition Engines and the blend fuels. Nevertheless, there are only few data available for reducing the emissions and fuel consumption of small diesel engines by using blend fuels. This experiment has been carried out to examine the influence of alcohol blend fuels on combustion characteristics for small diesel engine. The fuels used in this study are light oil (Standard), ethanol, propanol and butanol. The combustion behaviours, such as the emissions in exhaust gas (NOX, CO, CO2, O2 concentration), fuel consumption rate are observed. The main conclusions are as follows: 1) it is possible to control the combustion behaviour by using alcohol blend fuels for small diesel engine, 2) the fuel consumption of at any alcohol blend fuels is bigger than that of light oil, 3) the net thermal efficiency of some alcohol blend fuels (E5P5, P5B5, E5B5) slightly increases than that of light oil, 4) the NOx emissions for all the alcohol blend fuels are smaller than that of light oil, 5) the CO emissions are remarkably bigger than that of light oil under from low to middle engine load without the ethanol 10% addition.
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autor
  • Faculty of Science and Engineering Hosei University Kajino-cho, Koganei, Tokyo 184-8584 Japan
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 operation 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, Controlling combustion and exhaust emissions in a Direct-injection diesel engine dual-fuelled 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.
  • [8] Ozaki, J., Iida, N., Effect of Degree of Unmixedness on HCCI Combustion Based on Experiment and Numerical Analysis, SAE paper 2006-32-0046, 2006.
  • [9] Sugiyama, H., Kawakami, T., Influence of blend fuels on combustion characteristics for small diesel engine, Small Engine Technology Conference SAE of Japan and SAE International, 20076523/2007-32-0023, 2007.
  • [10] Kawakami, T., Combustion Characteristics for Small Diesel Engine by using Emulsified Blend Fuels of Vegetable Oil and Light Oil, 37th International Scientific Congress on Powertrain and Transport Means EUROPEAN KONES, Vol. 18, No. 4, pp. 185-190, 2011.
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Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-87418a09-53fa-41fa-aa1a-a28fc222d63b
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