The Study of effecting Premium Diesel Mixed Fuel on Fuel Injection Pressure in a DI Diesel Engine（I）─ Premium Diesel＋Light Naphtha ─

• Main Authors: Chang , Chin-Fu, 張金富
• Other Authors: Lin, Bai-Fu
• Format: Others
• Language: zh-TW
• Published: 2004
• Online Access: http://ndltd.ncl.edu.tw/handle/67345767008460988246

碩士 === 國立臺北科技大學 === 車輛工程系碩士班 === 92 === On decreasing the exhaust pollution of the transportation ,it is a hurried task to improve the environmental pollution caused by the concentration of smoke from a Diesel engine with a non-common rail fuel injection pressure system. This study added Light Naphtha into premium diesel as the mixed fuel to replace the premium diesel. It had less fuel consumption, about 2.6% than premium diesel, and besides it can decrease the concentration of smoke and NOx to 21.3% and 2.0%. If we lower the pressure of the fuel injection, it can reduce NOx concentration to the original fuel injection pressure about 0.7%, but it can increase the fuel consumption, smoke and HC concentration about 0.1%, 3.2% and 14.1%, respectively. Oppositely, if we higher the pressure of the fuel injection, it can increase the fuel consumption and NOx concentration to the original fuel injection pressure about 0.2% and 2.0%, but it can decrease the concentration of smoke and HC about 5% and 7.3%, respectively. Therefore, when using mixing fuel , adding light Naphtha into premium diesel , it can choose to hold or raise the pressure of the fuel injection.