Feasibility Study of Energy Recovery from Landing aircraft

该项目的范围是定义、分析和量化能够将着陆飞机的动能通过合适的机电接口通过瞬态能量存储转换为长期能量存储或电网网络的技术。任何被认为具有潜力的技术都将不仅从功率转换效率方面进行分析，还将根据实际性能指标（如重量、稳健性、成本和最终的能源/碳节约）进行排名。该项目将主要在模拟中进行，然而，该方法的新颖性将需要进行一些基本的实验来支持和确认模拟结果。在此应用方面的功率转换预计依赖于三个基本技术领域的研究：1。通过直线机或旋转机将飞机运动的机电能转换成电能。电力电子能量转换、暂态储能、调理和分配到长期存储或电网。分析了结构应力对跑道生存能力的影响，并对构件所产生的力进行了转换。飞机运动产生的能量流有两个方向。首先通过飞机起落架和跑道之间的线性电磁接口。其次，通过旋转机电接口将能量存储在飞机上。在这两种情况下，能量转换、调节、能量储存和机械应力分析都是至关重要的。虽然由于额外的能量存储，飞机的能量再生在过去被认为是低效的，但建议根据与更电动飞机相关的发展来分析这种方法，更电动飞机具有重要的瞬态和长期能量存储，作为其动力系统结构的一部分。此外，在发动机轴上嵌入电机/发电机的下一代发动机可能在发动机关闭时用作瞬态惯性能量存储。这是一个典型的例子，表明研究不受当代思想的限制，而是期待未来的技术。该分析还将借鉴斯图尔特教授在与梅西-布加迪合作进行的电动辅助飞机制动方面的经验，以及与空中客车合作开发的More电动飞机的经验。该项目的需求是确定一系列潜在的解决方案，并根据基于实际性能指标的成本函数对它们进行排序。特别是“真实”飞机操作约束的限制将是性能分析中最重要的。指导委员会将是这个方法的一个重要组成部分，在早期阶段帮助量化这个成本函数。

The scope of this project is to define, analyse and quantify the technologies which will enable the conversion of the kinetic energy of a landing aircraft, via a suitable electromechanical interface via transient energy storage into long term energy storage or the electrical grid network. Any technologies which are identified as having potential will be analysed not only in terms of power conversion efficiency, but also ranked against practical performance metrics such as weight, robustness, cost, and ultimately energy/carbon savings. The project will primarily be conducted in simulation, however the novel nature of the approach will require some basic experimentation to be conducted to support and confirm the simulation results.Power conversion in terms of this application is predicted to rely upon three basic technology areas to be researched:1. Electromechanical energy conversion of the aircraft motion into electrical energy, via linear or rotary machine.2. Power electronic energy conversion, transient energy storage, conditioning and distribution to long-term storage or the grid.3. Structural stress analysis of the viability of the runway and conversion components to the forces generated.There are two directions for the energy flow generated by the aircraft motion to be harvested. Firstly through a linear-type electromagnetic interface between the aircraft landing gear and the runway. Secondly, by a rotary electromechanical interface to energy storage on board the plane. In both cases, energy conversion, conditioning, energy storage and mechanical stress analysis is crucial. Although power regeneration into the aircraft has been dismissed in the past as being inefficient due to additional energy storage, it is proposed to analyse this method in the light of the developments associated with the More Electric Aircraft which has significant transient and long-term energy storage as part of its power systems structure. In addition, the next generation engines with embedded motor/generators on the engine shafts could possibly be used as a transient inertial energy storage when the engines are switched off. This is a prime example of the study not being restrained by contemporary thought, but looking forward to engage future technologies. This analysis will also draw upon experience by Prof. Stewart in electrically assisted aircraft braking performed in association with Messier-Bugatti, and More Electric Aircraft developments in collaboration with Airbus.The requirements of this project are to identify a family of potential solutions, and rank them according to a cost function based upon realistic performance metrics. In particular the strictures of 'real' aircraft operational constraints will be foremost in the performance analysis. The steering committee will be an important constituent of this approach, helping in the early stages to quantify this cost function.