HYEST - Hydrogen Engine System Technologies

HYEST项目建立在以前的技术开发实践和合作伙伴关系的基础上，将劳斯莱斯和经验丰富的学术组织（克兰菲尔德大学、拉夫堡大学和斯旺西大学）结合在一起。该项目还将与英国的供应链广泛接触。其目标是开发技术和架构，提供有效实用的氢燃烧燃气轮机动力装置，能够在整个运行范围内安全、实用、可靠地使用液氢燃料，并提供商业上可行的产品。英国政府的绿色工业革命10点计划，Jet Zero推动了可持续航空旅行的目标。同样，航空航天技术研究所呼吁英国航空业优先考虑可持续性，并带头采取环保行动。向替代能源过渡到今天的煤油被视为技术优先事项之一，氢是未来10-15年可以为飞机提供动力的一种燃料。特别是，氢燃料燃气轮机燃烧系统的开发已被确定为零碳排放飞行的关键促成因素，因为燃气轮机动力飞机目前占当今航空碳排放量的96%。这绝非易事。尽管氢是一种非常清洁的燃料，产生的废气几乎是纯净水，但不幸的是，与煤油相比，氢的能量密度非常低，这意味着燃料必须以低温液体的形式存在，才能使飞机飞行相当远的距离。液氢的极低温度（-253°C）对发动机部件来说是一个极其恶劣的环境，要生产出与当今发动机在质量、性能、可靠性和安全性方面有着同样严格要求的氢动力燃气轮机，必须克服许多技术挑战。这个令人兴奋的项目将由项目合作伙伴、英国政府机构、BEIS、Innovate UK和ATI共同资助。

The HYEST project builds on previous technology development in terms of both practices and the partnership, bringing together Rolls-Royce, and highly experienced academic organisations (Universities of Cranfield, Loughborough & Swansea). The project will also engagement widely with a solely UK supply chain.The aim is to develop technologies and architectures that deliver an effective and practical hydrogen combustion gas turbine powerplant able to operate safely, practically, and reliably with Liquid H2 fuel across the full operating range, and to deliver a commercially viable product. The UK government 10 Point Plan for a Green Industrial Revolution, and Jet Zero pushes forward the goal of sustainable air travel. Similarly, the Aerospace Technology Institute has called on the UK aviation industry to prioritise sustainability and lead action on environmental imperatives. Transition to alternative energy sources to today's kerosene is regarded as one of the technology priorities, and hydrogen is one fuel that could power aircraft in the coming 10-15 years. Particularly, development of a hydrogen-fuelled gas turbine combustion system has been identified as a key enabler for zero carbon emission flight, as gas turbine powered aircraft currently account for 96% of today's aviation carbon emissions.This is far from easy. Despite the advantage of being a very clean fuel, producing almost pure water as an exhaust product, hydrogen unfortunately has a very low energy density compared to kerosene, meaning that the fuel will have to be in the form of a cryogenic liquid to enable aircraft to fly any appreciable distance. The extremely low temperature of liquid hydrogen, -253 °C, is an incredibly harsh environment for the engine components, and many technological challenges will have to be overcome to produce a hydrogen-powered gas turbine that has the same exacting requirements of quality, performance, reliability and safety as today's engines.This exciting project is to be jointly funded through contribution from the project partners and UK government agencies, BEIS, Innovate UK and ATI.