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A System Approach to Automotive Air Intake System Development

机译:汽车进气系统开发系统方法

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Today's automotive Air Intake Systems are developed to deliver maximum filtration efficiency, maximum dust holding capacity and maximum service interval range based on engine performance and reliability requirements. It must also meet requirements of packaging, higher flow rates, lower pressure drop, lower noise, better fuel economy, increased vehicle speed/acceleration, high temperature compatibility, corrosion resistance, easy serviceability and cost effectiveness. It requires a well-behaved uniform flow with minimum temperature rise and pressure drop across the system. The air intake system should be installed such that no water ingress or water traces are found during the water wading test. These challenging requirements cannot be meet effectively without a systems approach. The Air Intake System development process starts with selection of design methodology and evolution of checklists for System Design Specifications (SDS) and definition of targets. SDS is elaborated with reference to performance, durability, legislation, installation, manufacturing/assembly/service considerations, etc. A checklist for air intake system design is given in this paper. Air filter-type, pre-filter, mouse trap, dust ejector valve, dirtyside hose, cleanside hose, service indicator, etc., are discussed. This paper reviews the requirements, design considerations and developments in the field of air intake systems for automotive application. Use of CFD and simulation packages are elucidated and validated with the help of developmental projects. The importance of Quality tools like Design Review, DVPR and DFMEA are emphasized with an aim to achieve performance and durability requirements.
机译:今天的汽车进气系统是开发的,以提供最大过滤效率,最大灰尘保持容量和基于发动机性能和可靠性要求的最大维修间隔范围。它还必须满足包装的要求,更高的流量,较低的压降,较低的噪音,更好的燃料经济性,增加车速/加速度,高温兼容性,耐腐蚀性,易于维修和成本效益。它需要一种表现良好的均匀流,并在系统上进行最小温度升高和压力下降。应安装进气系统,使得在水涉水试验期间没有发现进水或水痕迹。没有系统方法,无法有效地满足这些具有挑战性的要求。 Air Intake系统开发过程从选择的设计方法和系统设计规范(SDS)的校验列表的演变开始,以及目标的定义。参考性能,耐用性,立法,安装,制造/装配/服务考虑等,详细阐述了SDS。本文提出了一种用于进气系统设计的清单。讨论了空气过滤器型,预过滤器,鼠标陷阱,灰尘喷射阀,污垢软管,清洁水管,服务指示器等。本文审查了汽车应用领域的要求,设计考虑和开发。在发育项目的帮助下阐明并验证了CFD和仿真包的使用。强调了设计审查,DVPR和DFMEA等优质工具的重要性,旨在实现性能和耐用性要求。

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