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Communication Dans Un Congrès Année : 2018

Circularity Indicators: the Advisor

Résumé

Over 50 sets of circularity indicators – created and used by academia, consulting companies and governmental agencies worldwide – have been reviewed and classified into a need-based taxonomy driven by the usage of such indicators. A query tool associated to the proposed taxonomy databank – using MS Excel with macros – has been designed to help identifying the most relevant indicators regarding the user needs. In inputs, eight questions are asked about the: i) scale of measurement; ii) circularity perspective; iii) circularity performance; iv) circularity loop; v) dimensionality; vi) usages and purposes; vii) transversality; viii) type and format. In outputs, appropriate indicators are identified and following information is displayed: a) tool/indicator name; b) working principle; c) systemic level; d) kind of circularity; e) dimensionality and unit; f) data required to compute the indicator; g) possible usages; h) authors and references; j) internet access link. The tool is first presented through an industrial example of a company willing to measure, improve and monitor the circularity performance of a product – a catalytic converter – that the company designed and developed. Based on the company’s needs and requirements, the tool proposes several potentially useful circularity indicators and associated calculation framework at a micro level – the one of products and materials – which aim at (i) evaluating circularity potential of industrial products during design and development process, (ii) providing guidelines for circular design improvement, (iii) facilitating benchmarking with competing products. Then, participants have two possible options: (1) Participants may test and experience the selection tool on their own projects to find out which circularity indicators suit the best to their need. It is possible for them to work individually (or in small group) on their own project or case study linked to the circular economy. As such, they are proposed to experience, and feed the query tool with their requirements so as to identify indicators that might be relevant for them. Finally, as access links are provided to explore the recommended indicators given in output – including associated working principle and calculation methods – attendees are free to test such circularity indicators. (2) For participants who do not have a particular case study or sufficient data to experience the tool by their own, but who are interested in testing the query tool and recommended indicators, it is possible to operate the data from the catalytic converter example.
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Dates et versions

hal-01790126 , version 1 (14-12-2018)

Identifiants

  • HAL Id : hal-01790126 , version 1

Citer

Michael Saidani, Bernard Yannou, Yann Leroy, François Cluzel. Circularity Indicators: the Advisor. ASME 2018 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference IDETC/CIE 2018, Aug 2018, Québec, Canada. ⟨hal-01790126⟩
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