電気自動車と電池は明日を拓く

記事詳細

日時
2017/5/19 11:00
記事タイトル
Ricardo designing two versions of lightweight and thermally-efficient Latitude engine on JLR Ingenium engine base
リンク
http://www.greencarcongress.com/2017/05/20170519-ricardo.html Ricardo designing two versions of lightweight and thermally-efficient Latitude engine on JLR Ingenium engine baseへの外部リンク
記事詳細
In the UK, the Latitude project is researching advanced boosting technology, integrated with an engine combustion system, incorporating leading edge fuel injection equipment and controls, for application in future Jaguar Land Rover products. Allied to an innovative thermally optimized and lightweight design of engine structure, the project aims to deliver more than 10% fuel economy and CO2 emissions improvement, compared with current production vehicles. Ricardo is taking overall responsibility for the structural design of two versions of the Latitude engine, based upon Jaguar Land Rover’s Ingenium family: a ‘High Performance’ unit, and a ‘Lower Power’ version aimed at providing an even greater level of fuel efficiency. Focusing on technologies with a short lead time to production readiness, Ricardo will explore aspects of engine design including reduction of overall mass, the lubrication system and insulation. The Low Power variant will have reduced peak cylinder pressure and will thus be able to benefit from an aggressive review of mass reduction for reciprocating components and the main structure. The latest optimization tools from GRM will allow weight, structural optimization and NVH to be combined by Ricardo with considerations of thermal management and friction. This will enable faster engine warm-up and through reduced thermal inertia, with slower cool-down achieved through encapsulation. These innovations will enable the engine to achieve its desired operating temperature more quickly which, together with the reduced engine mass, will contribute towards improving fuel economy and lowering CO2 emissions. As with all aspects of the Latitude project, the innovations that Ricardo will apply to the engine structural design, will have been chosen to meet the challenges of providing the best possible fuel economy with improved refinement, while also achieving a competitive target piece cost-to-benefit ratio. The Latitude project is supported and part-funded by UK Government through the Advanced Propulsion Centre—with balancing contributions by the participating companies in the project—and will also improve the UK’s development and production capabilities of low-CO2 internal combustion engine technology.

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