本文是第11届CIMAC 青年工程师论坛主题报告之一。已经授权CIMAC及CSICE在网站发布。 1) Market update 2) X-DF Technology & emissions 3) X-DF engines in service

本文是第11届CIMAC 青年工程师论坛主题报告之一。已经授权CIMAC及CSICE在网站发布。 Regulation iterations and customer demands continue to promote developments of HDD engines in the direction of environmental protection, low carbon, effective and efficient.  In order to meet the diversified requirements of different market segments and customers for CN VI Diesel Engine, DFCV developed eight core technologies and two products.  DDi11 platform adopts Hot EGR and E-WGT technology considering the comprehensive features of economy, reliability ,cost and weight, to provide customers with reliable value-based power products. DDi13 platform adopts Cooled EGR and VGT technology pursuing the optimization features of economy and power, to provide high-end quality-based products.  Aimed at 48% and 50% BTE DFCV defined target decomposition of ITEg, theoretical pump efficiency and mechanical efficiency and engine PCP. Feasibility studies on the first stage of high efficiency combustion system, high efficiency turbocharge system and low friction technology has been carried out.

本文是第11届CIMAC 青年工程师论坛主题报告之一。已经授权CIMAC及CSICE在网站发布。 Introduction  HiMECS : Knock Detection & Anti-knock Control  HiMECS : Cylinder Balancing Control  HiMECS : Software Reliability & Validation  HiEMS : A Case Study about Operating Guidance  Summary 1

本文是第11届CIMAC 青年工程师论坛主题报告之一。已经授权CIMAC及CSICE在网站发布。 1. Critical plane method is proved to be effective in the process of fatigue life estimation. 2. Shear strain is taken as critical plane parameter and strain energy is taken as damage parameter . 3. Through a series of comparisons, almost all the predicted data can be located in the double error strip of experimental data.

本文是第11届CIMAC 青年工程师论坛主题报告之一。已经授权CIMAC及CSICE在网站发布。 .IMO GHG 2050 strategy cannot be met without low/zero carbon fuels such as LNG, bio-fuel, hydrogen, e-fuels and electricity for large ocean going vessels • Hydrogen produced with renewable energy is an important element to address the IMO GHG 2050 strategy • Green ammonia as zero GHG fuel is suitable for large ocean going shipping • Ammonia produced with pyrolysis using natural gas is less complex and expensive can be a bridging technology • The investment cost for green ammonia aszero GHG marine fuelistoo high that the regulatory and financial support is required

本文是第11届CIMAC 青年工程师论坛主题报告之一。已经授权CIMAC及CSICE在网站发布。 The latest type of UE engine, UEC42LSH-Eco, is being developed to meet worldwide needs and will contribute to ship owners, ship operators and shipyards to cut operating costs and installation cost. UEC42LSH-Ecois being designed on the basis of well-proven conventional UE engines and with further improvements. Experiences of excellent operating condition of in-service engine will be fed back to new buildings. UEC42LSH-Ecois ready for complying

Emission Control System Case Study Off road Application Marine Application

本文是第11届CIMAC 青年工程师论坛主旨报告之一。已经授权CIMAC及CSICE在网站发布。 ▪ Hybridization & Electrification of Ships ▪ Virtual System Integration & System Simulation ▪ Use Case: Hybrid Tug Boat 相关视频课件：https://www.csice.org.cn/video/seriesdetail/14

本文是第11届CIMAC 青年工程师论坛主旨报告之一。已经授权CIMAC及CSICE在网站发布。Mr. Elias Boletis- Wartsila Propulsion. The Trends and Challenges in the Marine Industry The Engine and Propulsion Products The Propeller Systems Integrated Solutions Concluding Remarks 相关视频课件：https://www.csice.org.cn/video/seriesdetail/14

本文是第11届CIMAC 青年工程师论坛主旨报告之一。已经授权CIMAC及CSICE在网站发布。佟德辉，博士，潍柴动力股份有限公司副总裁；兼任中国内燃机工业协会副会长、中国内燃机学会理事、中国汽车工程学会常务理事等职务。 Ph.D. Tong Dehui is the Vice President of Weichai Power Co., Ltd. He also holds concurrent posts as the Vice President of China Internal Combustion Engine Industry Association, Director of Chinese Society of Internal Combustion Engine, and Executive Director of China Society of Automotive Engineers.主要内容：内燃机发展要求；潍柴创新性工作 ；内燃机未来展望 。 相关视频课件：https://www.csice.org.cn/video/seriesdetail/14