在国家973 基础研究计划支持下，提出了宽馏分燃料的新概念，炼油过程中汽油、煤油和柴油不分馏，减低炼油成本。在实际发动机上已获得同时降低油耗和PM 排放的显著效果，展示了未来将传统的汽油机和柴油机统一的前景。

Supported by the National Key Basic Research Plan, the Wide Distillation Fuel (WDF) concept has been proposed.The cost in fuel refining is reduced, since no distillation process is required to obtain gasoline, kerosene, and diesel,respectively. In the engine test, the WDF can both reduce fuel consumption and PM emissions significantly, whichshows the potential to unify the gasoline engines and the diesel engines in the future.

在国家自然科学基金重点项目支持下，对内燃机爆震现象进行了研究，发现爆震强度与燃烧室内末端混合气的燃烧模式有关，超级爆震的实质为爆轰燃烧，提出了高混合气能量密度是导致爆轰产生的主要因素。在863和国家自然科学基金项目的支持下，开展了天然气掺氢发动机（HCNG）燃烧、排放研究，揭示了HCNG 内燃机循环变动与

稀燃极限、热效率、排放的变化规律及其影响机理。20% 含氢量HCNG 发动机排放满足欧VI、ETC 循环燃料消耗率比原天然气发动机降低7~10%、而动力性不变。研究成果获2011 年北京市科学技术一等奖，应用于东风、潍柴等多家汽车公司。

Supported by the Key Project of National Nature Science Fund, engine knock has been investigated. It is found　that the knock intensity is related to the combustion modes of end-gas in the combustion chamber. The essence　of the super-knock is detonation. The key factor of the detonation is the high energy density of the mixture.Fundamental research on HCNG ( Hydrogen enriched Compressed Natural Gas ) engine’s combustion and　emissions had been done supported by 863 and NSFC. HCNG engines can meet Europe VI emission regulation　fueled by HCNG with 20% hydrogen in volume, 7~10% ETC cycle’s fuel consumption can be. The research　achievements won the 1st Class Awards of Beijing Science and Technology Prize in 2011.

在国家自然科学基金支持下，提出了低辛烷值汽油多段预混压燃（MPCI）的新燃烧模式。该模式能有效解决汽油压燃中燃烧粗暴的问题，在较低EGR 条件下NOx 排放满足欧VI 要求，油耗和碳烟排放低于传统柴油燃烧。

Supported by the Key Project of National Nature Science Fund, the new combustion mode, Multiple PremixedCompression Ignition (MPCI), has been proposed. The MPCI mode can effectively reduce the pressure riserate in the gasoline compression ignition and satisfy the NOx emission limit of EURO VI with the low EGR rate.The fuel consumption and soot emissions in the MPCI mode are lower than that in the conventional diesel

combustion.

在973、863 和国际合作项目等支持下，开展内燃机及燃料电池涡轮增压的热流体基础研究。提出压气机流场匹配扩稳新原理，发展了非对称机匣处理扩稳技术；揭示涡轮脉冲流场整流增效新机制，发展了涡轮动态设计方法。技术和方法应用于GM 和IHI 等国际公司，拓展应用于通用航空领域。研究成果获2013 年国家科技进步二等奖、2013年国防科技进步一等奖。

Research on Thermofluids of turbocharging for IC engine and fuel cells. Nonsymmetric casing treatmenttechnology to improve compressor stability, and dynamic design method to increase turbine efficiency have been developed. The methodology and technology are used by GM and IHI International companies, and applied in General Aviation Industry. Associated achievements won a National Science and Technology Progress　Award in 2013.

在国家“ 十一五”973 和“十二五”863 项目支持下，开展了基于缸压的柴油机燃烧闭环控制技术研究，实现了循环间燃烧重心和放热量及循环内燃烧始点的闭环控制，研制出了我国第一个带有燃烧闭环控制功能的高压共轨柴油机双核ECU 产品，及高性价比通用燃烧分析仪产品。

Supported by National 973 & 863 program, the close-loop control technology of diesel combustion based on　in-cylinder pressure sensor was studied, and the cycle to cycle control of CA50&IMEP as well as in-cycle control　of combustion start were achieved. As application, a dual-core ECU product and a general combustion analyzer　were developed.

将内燃机均质压燃控制技术和ISG 电机控制技术融合，研究了同时具备清洁燃烧和高效节能特性的混合发动机技术，开发了产品样机；并将该技术用于汽油压燃，实现了比柴油机更高的热效率。

Combined ISG motor to HCCI combustion diesel engine, a hybrid engine concept was proposed and a　prototype engine was developed, showing excellent performance in clean combustion and high efficiency. The　application to a gasoline compressed ignition engine also showed higher efficiency than diesel.