Resource conservation by means of lightweight design and design for circularity—A concept for decision making in the early phase of product development

IF 11.2 1区 环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL Resources Conservation and Recycling Pub Date : 2023-11-25 DOI:10.1016/j.resconrec.2023.107331
Kristian König, Janis Mathieu, Michael Vielhaber
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Abstract

Lightweight design can contribute to savings of consumed material in products and enhancing their energy efficiency during the use phase but also to a higher resource consumption at the beginning- and the end-of-life, challenging the implementation of a circular economy. Hence, this publication methodologically addresses the synergies and conflicts of lightweight design and design for circularity. The concept of the ‘functional life cycle energy analysis’ is presented, which foresees the division of a product architecture into functions with allocated energy consumptions as cross-stage indicator for the expected resource consumption along the entire product life cycle. Holistic optimization potentials within three life cycle stages can thus be derived as recommendations for action for future product generations. This allows engineers to rethink functional principles and supports decision making in the early design phases of implementing lightweight design and design for circularity. The methodology is illustrated by means of a robotics use case.

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通过轻量化设计和循环设计节约资源——产品开发早期决策的概念
轻量化设计有助于节省产品消耗的材料,并在使用阶段提高其能源效率,但也会在产品的开始和结束阶段消耗更高的资源,这对循环经济的实施提出了挑战。因此,本出版物在方法上解决了轻量级设计和循环设计的协同作用和冲突。提出了“功能生命周期能量分析”的概念,该概念预测了将产品架构划分为具有分配的能量消耗的功能,作为整个产品生命周期预期资源消耗的跨阶段指标。因此,三个生命周期阶段的整体优化潜力可以作为未来产品代的行动建议。这允许工程师重新思考功能原则,并支持在实现轻量化设计和循环设计的早期设计阶段做出决策。该方法通过一个机器人用例加以说明。
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来源期刊
Resources Conservation and Recycling
Resources Conservation and Recycling 环境科学-工程:环境
CiteScore
22.90
自引率
6.10%
发文量
625
审稿时长
23 days
期刊介绍: The journal Resources, Conservation & Recycling welcomes contributions from research, which consider sustainable management and conservation of resources. The journal prioritizes understanding the transformation processes crucial for transitioning toward more sustainable production and consumption systems. It highlights technological, economic, institutional, and policy aspects related to specific resource management practices such as conservation, recycling, and resource substitution, as well as broader strategies like improving resource productivity and restructuring production and consumption patterns. Contributions may address regional, national, or international scales and can range from individual resources or technologies to entire sectors or systems. Authors are encouraged to explore scientific and methodological issues alongside practical, environmental, and economic implications. However, manuscripts focusing solely on laboratory experiments without discussing their broader implications will not be considered for publication in the journal.
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