Performance,combustion,and emission characteristics of on a diesel engine fuelled with hydrogen compressed natural gas and Kusum seed biodiesel
作者机构：Department of Mechanical EngineeringAndhra UniversityVisakhapatnamIndia Department of Mechanical EngineeringGITAM Institute of TechnologyVisakhapatnamIndia
出 版 物：《Waste Disposal and Sustainable Energy》 (废弃物处置与可持续能源（英文）)
年 卷 期：2023年第5卷第2期
页 面：151-163页
核心收录：
学科分类：081704[工学-应用化学] 07[理学] 070304[理学-物理化学(含∶化学物理)] 08[工学] 0817[工学-化学工程与技术] 0703[理学-化学]
主 题：Biodiesel Compressed natural gas Injection pressure Emission Cylinder pressure Brake thermal efficiency
摘 要：Renewable fuels have many advantages over fossil fuels because they are biodegradable and sustainable,and help mitigate social and environmental *** objective of the present study is to evaluate the performance,combustion,and emission characteristics of a compression–ignition engine using hydrogen compressed natural gas(HCNG)-enriched Kusum seed biodiesel blend(KSOBD20).The flow rate of HCNG was set at 5 L/min,10 L/min,and 15 L/min,and the injection pressure was varied in the range of 180 bar to 240 *** thermal efficiency(BTE)and brake-specific fuel consumption(BSFC)were improved when HCNG was added to the *** characteristics,namely,cylinder pressure(CP)and net heat release rate(NHRR),were also *** of carbon monoxide(CO),hydrocarbons(HC),and smoke were also reduced,with the exception of nitrogen oxides(NO_(x)).The higher injection pressure(240 bar)had a positive effect on the operating *** an injection pressure of 240 bar,for KSOB20+15 L/min HCNG,the highest BTE and the lowest BSFC were found to be 32.09%and 0.227 kg/kWh,***,the CP and NHRR were 69.34 bar and 66.04 J/°.CO,HC,and smoke levels were finally reduced to 0.013%,47×10^(-6)and 9%,respectively,with NO_(x)levels at 1623×10^(-6).For optimum results in terms of engine characteristics,the fuel combination KSOBD20+15 L/min HCNG at FIP 240 bar is recommended.
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