Novel Free-Piston Stirling Engine: Development of Numerical Simulation Models and Design of an Adapted Test Bench

自由活塞式斯特林发动机是一种利用热源产生机械动力的装置。该系统可以 例如，在没有电网的偏远地区使用。自由活塞式斯特林发动机 与典型的斯特林发动机相比，具有几个技术优势，即减少气体泄漏和无需润滑 是必需的。事实上，自由活塞式斯特林发动机没有曲轴，它们使用气体弹簧和 导引活塞的电磁力学现象。然而，在有关的文献中几乎没有可用的数据 这种发动机的性能，而且没有设计具有指定功率的发动机的指导方针 输出值。因此，需要研究来理解发生在地球上的复杂现象。 自由活塞式斯特林发动机，并使这项技术成为商业可行。的主要目标是 该项目旨在开发分析和设计自由活塞式斯特林发动机的新工具。要做到这一点 目标，该项目将有两个主题：(1)开发新的数学和数值模型， 以及(Ii)开发一种适应性强的试验台，能够测量各种发动机设计的性能。 新的数字工具的开发将使科学家和公司能够理解复杂的 这些发动机中发生的瞬变现象，并确定最有影响的设计参数 发动机性能。此外，一种新型测试平台的开发将使科学家和公司能够 精确地测量发动机的性能并找出发动机的低效之处。工业界 合作伙伴将能够使用在该项目期间开发的数值和实验工具来设计和 将2kW及更高功率的自由活塞式斯特林发动机商业化。他们的产品将具有技术优势 超过其竞争对手商业化的典型斯特林发动机。最后，加拿大将从中受益。 该项目是由于培训了能源部门的高素质人员，并由于竞争激烈 给予加拿大工业在斯特林发动机设计方面的优势。

Free-Piston Stirling Engines are devices that generate mechanical power from thermal sources. That system can be used, for example, in remote areas where an electrical grid is not available. Free-Piston Stirling Engines have several technical advantages over typical Stirling Engines, i.e., gas leakage is reduced and no lubrication is required. Indeed, Free-Piston Stirling Engines have no crankshaft, and they use gas spring and electro-magneto-mechanics phenomena to guide the pistons. However, few data are available in literature about the performance of that kind of engine, and there is no guideline to design an engine with specified power output values. Hence, researches are required to understand the complexes phenomena that occur in Free-Piston Stirling Engine and to allow that technology to become commercially viable. The main objective of that project is to develop new tools for analyzing and designing Free-Piston Stirling Engines. To reach that objective, the project will have two topics: (i) the development of new mathematical and numerical models, and (ii) the development of an adaptable test bench able to measure the performance of various engine designs. The development of new numerical tools will allow scientists and companies to understand the complex transient phenomena that occur in these engines, and to identify the most influential design parameters on the engine performance. Moreover, the development of a novel test bench will allow scientists and companies to measure with precision the performance of the engine and to locate inefficiencies in the engine. The industrial partner will be able to use the numerical and experimental tools developed during that project to design and commercialize a Free-Piston Stirling Engine of 2kW and higher. Their products will have technical advantages over typical Stirling Engines commercialized by their competitors. Finally, Canada will benefit from that project due to the training of highly qualified personnel in the energy sector, and due to the competitive advantages granted to Canada industries concerning Stirling Engine design.