Realization of a Novel Free-Piston Engine Generator for Hybrid-Electric Vehicle Applications.
Realization of a Novel Free-Piston Engine Generator for Hybrid-Electric Vehicle Applications.
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DOI：
10.1021/acs.energyfuels.0c01647
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发表时间：
2020-10-15
期刊：
影响因子：
--
通讯作者：
Roskilly AP
中科院分区：
文献类型：
--
作者：
Smallbone A;Hanipah MR;Jia B;Scott T;Heslop J;Towell B;Lawrence C;Roy S;Shivaprasad KV;Roskilly AP
作为混合动力汽车（EV）动力系统的一部分，自由活塞发动机发电机（fpeg）有巨大的潜力成为燃料发电的主要能量转换装置。与其他电动汽车混合动力和增程器解决方案（内燃机、旋转发动机、燃料电池等）相比，其主要优势在于理论上效率更高、结构更紧凑、重量更轻。然而，这种潜力尚未实现。本文详细介绍了一种新型双活塞FPEG配置，并介绍了系统的完整布局，并提供了商用FPEG系统可能的尺寸和重量的技术证据。本文还介绍了一个项目的初步结果，该项目旨在通过开发和测试一个灵活的原型测试平台，在硬件上实现一个可操作的FPEG系统。介绍了该系统的性能和控制系统特点，为同类系统的首创；这显示了巨大的技术潜力，每缸700瓦左右的稳定可重复燃烧，26%的指示效率。
Free-piston engine generators (FPEGs) have huge potential to be the principal energy conversion device for generating electricity from fuel as part of a hybrid-electric vehicle (EV) powertrain system. The principal advantages lay in the fact that they are theoretically more efficient, more compact, and more lightweight compared to other competing EV hybrid and range-extender solutions (internal combustion engines, rotary engines, fuel cells, etc.). However, this potential has yet to be realized. This article details a novel dual-piston FPEG configuration and presents the full layout of a system and provides technical evidence of a commercial FPEG system’s likely size and weight. The work also presents the first results obtained from a project which set-out to realize an operational FPEG system in hardware through the development and testing of a flexible prototype test platform. The work presents the performance and control system characteristics, for a first of a kind system; these show great technical potential with stable and repeatable combustion events achieved with around 700 W per cylinder and 26% indicated efficiency.
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