000			01953nab a2200205 4500
005			20260520002846.0
008			260224s2010 xxu
245	0	0	_aA comparison of effects of ambient pressure on the atomization performance of soybean oil methyl ester and dimethyl ether sprays
260			_a _b _cnov./dic. 2010
270			_a18/02/2011 ; 18/02/2011
300			_a10 p. ; 883-892
520			_aTranscripción del resumen del autor. The purpose of this study is the experimental investigation of Soybean oil Methyl Ester (SME) and DiMethyl Ether (DME) spray characteristics injected through the common-rail injection system under various ambient pressures. A high pressure chamber that can be pressurized up to 4 MPa was utilized for a change of ambient pressure. In order to compare the spray development and atomization characteristics, the images of SME and DME were obtained by using a high speed camera with two metal halide lamps under various ambient pressures in the spray chamber. From these spray images, the spray characteristics such as the spray penetration from the nozzle tip, maximum radial distance, and spray diameter were measured and analyzed. In addition, the Sauter Mean Diameter (SMD) of two fuels under ambient pressure was analyzed using the droplet measuring system. It was revealed that the axial distance of spray from the nozzle tip of the SME spray is longer than that of DME spray under same injection condition. The axial penetration, maximum radial distance, and spray diameter decreased when the ambient pressure in the chamber increased. As the ambient pressure increased, the SMD decreased and the DME spray showed a superior atomization performance compared to the SME spray.
581			_a6
773	0		_tOil and Gas Science and Technology _g65
942			_cARTICULO
100	1		_aKim, H.J. _944560
100	1		_aPark, S.H. _940385
100	1		_aChon, M.S. _944561
999			_c173383 _d173383