Performance and safety of transport vehicles fueled with alternative fuels in plateau environment:A review  

作　　者：Wanjiang Guo Hui Wang Hao Chen Binyan Yu Ying Wang Jianyou Zhao 

机构地区：[1]Shaanxi Key Laboratory of New Transportation Energy and Automotive Energy Saving,Chang'an University,Xi'an 710064,China [2]School of Civil and Transportation Engineering,Qinghai Minzu University,Xining 810000,China

出　　处：《Journal of Traffic and Transportation Engineering(English Edition)》2022年第6期930-944,共15页交通运输工程学报（英文版）

基　　金：the Innovation Capability Support Program of Shaanxi(2021TD-28,2022KXJ-144);the Youth Innovation Team of Shaanxi Universities;the Fundamental Research Funds for the Central Universities,CHD(300102222401,300102222510)。

摘　　要：Alternative fuels including natural gas,alcohols and biodiesel for transport vehicles have been applied worldwidely.However,the performance and safety of alternative fuel vehicles have changed when the application environment varies from plain condition to the plateau,resulting from the variation of air density and atmospheric pressure.Natural gasfueled vehicles exhibited lower output and greater fuel consumption than gasoline-fueled vehicles in plateau environment.The oxygenated additives including alcohols and biodiesel can supply extra oxygen into the cylinder,which may benefit the engine performances compared with traditional petroleum in plateau environments.However,compared with plain environment,vehicles fueled with oxygenated fuels worsen the engine thermal efficiency,the power performance and the fuel economy in the plateau.With the increase of altitude,HC and CO emissions increase;whereas NO_(x)emissions show no evident change at various altitudes.Intake boosting,spark or injection timing optimization,and intake manifold optimization can effectively improve the combustion and performance of vehicles in the plateau.Safety is another significant factor for application of alternative fuels.Compared with plain environment,safeties of vehicles fueled with natural gas or biodiesel in the plateau have not been reduced,whereas safety of methanol and ethanol vehicles decrease,because they are easier to form air fuel mixture,have lower flash points,and have higher possibilities of gas resistance.The study proves that the performance and safety and alternative fuel vehicles deteriorate when the application locale varies from the plain region to the plateau region.

关 键 词：Natural gas ALCOHOLS BIODIESEL SAFETY PLATEAU 

分 类 号：U461.91[机械工程—车辆工程] U469.7[交通运输工程—载运工具运用工程]