Life cycle inventories for aviation: Background data, shortcomings, and improvements

IF 5.3 Q2 ENGINEERING, ENVIRONMENTAL Cleaner Engineering and Technology Pub Date : 2024-10-01 DOI:10.1016/j.clet.2024.100813
Joana Albano , Antonia Rahn , Jens Bachmann , Gerko Wende
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Abstract

In the context of growing environmental awareness and a drive towards sustainable aviation, Life Cycle Assessment (LCA) emerges as a pivotal tool for evaluating the environmental impacts of current and novel technologies. This paper focuses on Life Cycle Assessment within the aviation sector, with a specific emphasis on Life Cycle Inventories (LCIs) and databases. Recognizing a relevant data gap in existing databases regarding aircraft maintenance, our study seeks to address this limitation. A maintenance, repair and overhaul use-case is proposed as an illustrative example to enrich underrepresented data in LCIs. Our methodology considers the entire service life of aircraft, building a cumulative life cycle inventory in a cradle-to-gate approach. Geographical representativeness is ensured for maintenance activities conducted in Germany, with extrapolation applied across Europe where necessary. Our findings underscore the need to differentiate maintenance activities between aircraft components and engines, as well as the importance of considering various flight scenarios, ranging from short to long haul. This paper contributes to the advancement of LCA in aviation by providing insights into improving data accuracy and completeness. It also delves into how and why data generation is possible and what are the necessary data improvements within the topic. This paper is aimed at LCA practitioners in both research and industry, thus fostering sustainable practices in aviation.
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航空生命周期清单:背景数据、不足和改进
在环境意识不断增强和航空业向可持续发展方向发展的背景下,生命周期评估(LCA)成为评估当前技术和新技术对环境影响的重要工具。本文重点关注航空领域的生命周期评估,特别强调生命周期清单(LCI)和数据库。由于认识到现有数据库在飞机维护方面存在相关数据缺口,我们的研究试图解决这一局限性。我们提出了一个维护、修理和大修的使用案例,作为丰富生命周期清单中代表性不足的数据的示例。我们的方法考虑了飞机的整个使用寿命,以 "从摇篮到登机口 "的方式建立了累积生命周期清单。在德国进行的维修活动确保了地域代表性,必要时在整个欧洲进行推断。我们的研究结果强调了区分飞机部件和发动机维护活动的必要性,以及考虑从短途到长途等各种飞行情况的重要性。本文就如何提高数据的准确性和完整性提出了自己的见解,为推进航空业的生命周期评估做出了贡献。本文还深入探讨了数据生成的方式和原因,以及该主题中必要的数据改进措施。本文面向研究和工业领域的生命周期评估从业人员,从而促进航空业的可持续发展。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Cleaner Engineering and Technology
Cleaner Engineering and Technology Engineering-Engineering (miscellaneous)
CiteScore
9.80
自引率
0.00%
发文量
218
审稿时长
21 weeks
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