组合式起动辅助措施对车辆高原高寒起动性能的影响

赵旭敏; 周广猛; 张众杰; 刘增勇; 刘刚; 董素荣; 彭琪凯

doi:10.7643/ issn.1672-9242.2024.06.008

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装备环境工程 ›› 2024, Vol. 21 ›› Issue (6) : 53-59. DOI: 10.7643/ issn.1672-9242.2024.06.008

专题——特种车辆环境适应性设计和试验技术

组合式起动辅助措施对车辆高原高寒起动性能的影响

赵旭敏¹, 周广猛^1*, 张众杰¹, 刘增勇¹, 刘刚¹, 董素荣¹, 彭琪凯^1,2

作者信息 +

Effects of Combined Start Assistance Measures on Start Performance of Vehicles in Plateau and Cold Area

ZHAO Xumin¹, ZHOU Guangmeng^1*, ZHANG Zhongjie¹, LIU Zengyong¹, LIU Gang¹, DONG Surong¹, PENG Qikai^1,2

Author information +

文章历史 +

摘要

目的提高车辆在高原高寒环境下的起动性能。方法通过仿真方法研究高原高寒极端环境下组合式起动辅助措施对柴油机冷起动性能的影响,基于高原高寒环境模拟起动试验系统针对某测试车辆开展的高原高寒起动试验,验证组合式起动辅助措施对车辆高原高寒起动性能的改善效果。结果对比分析了海拔5 500 m、-35 ℃条件下某型柴油机加装4种不同构型的组合式冷起动辅助措施的起动过程,经过仿真和试验验证,在海拔5 500 m、-35 ℃条件下,采用进气预热器、燃油加热器、大容量低温蓄电池并联以及进气加氧装置的组合式冷起动辅助系统能够成功起动车辆。结论进气中增加适量的氧气能够显著提升高原高寒起动过程中各循环的燃烧效率,增加着火循环数,同时提高各循环的做功能力。采用预热（进气和冷却液）、转速提升和进气加氧的组合措施能够显著改善高原高寒极端环境条件下车辆的起动性能。

Abstract

The work aims to improve the start performance of vehicles in plateau and cold areas. The effect of combined start assistance measures on the start performance of diesel engines in extreme high-altitude cold environments was studied through simulation methods. Based on the high-altitude cold environment simulation start test system, cold start tests were conducted on a certain test vehicle to verify the improvement effect of combined start assistance measures on the start performance of vehicles in high-altitude cold environments. The start process of a certain type of diesel engine equipped with four different configurations of combined cold start assistance measures was compared and analyzed under the conditions of altitude of 5 500 m and ambient temperature of -35 ℃. After simulation and experimental verification, the combined start assistance system with intake preheater, fuel heater, large capacity low-temperature battery in parallel, and intake oxygenation device could successfully start the vehicle. It is found that adding an appropriate amount of oxygen to the intake can significantly improve the combustion efficiency of each cycle during high-altitude cold start, increase the number of combustion cycles, and improve the power performance of each cycle. The combination of preheating (intake and coolant), speed increase, and intake oxygenation can significantly improve the start performance of vehicles in extreme high-altitude and cold environmental conditions.

导出引用

赵旭敏, 周广猛, 张众杰, 刘增勇, 刘刚, 董素荣, 彭琪凯. 组合式起动辅助措施对车辆高原高寒起动性能的影响[J]. 装备环境工程. 2024, 21(6): 53-59 https://doi.org/10.7643/ issn.1672-9242.2024.06.008

ZHAO Xumin, ZHOU Guangmeng, ZHANG Zhongjie, LIU Zengyong, LIU Gang, DONG Surong, PENG Qikai. Effects of Combined Start Assistance Measures on Start Performance of Vehicles in Plateau and Cold Area[J]. Equipment Environmental Engineering. 2024, 21(6): 53-59 https://doi.org/10.7643/ issn.1672-9242.2024.06.008

中图分类号： TK427

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