Journal
INTERNATIONAL JOURNAL OF COMPUTER INTEGRATED MANUFACTURING
Volume 26, Issue 9, Pages 866-880Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/0951192X.2013.799782
Keywords
energy efficiency; ecodesign; cleaner production; process chain simulation; life cycle assessment; product embodied energy
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Manufacturing systems energy efficiency and the embodied energy of products are highly commented topics nowadays. So far, despite their interrelated nature, they have unfortunately been considered to be quite different from each other. Consequently, on one hand, product design remains as an unrecognised influence on the energy consumption of a manufacturing system, and on the other hand, manufacturing energy efficiency is unrealistically estimated in the calculation of product embodied energy. The present article integrates the existing literature on manufacturing energy consumption models and sets up a conceptual framework to assess the energy consumption of manufacturing systems from a product design perspective. This framework was implemented in a prototype software workflow, which was proven to generate interesting results for ecodesi gn and cleaner production initiatives. It helps in deriving realistic energy consumption values that can be linked to concrete product or process parameters, and therefore allows the improvement of product manufacturing energy efficiency at both design and manufacturing stages.
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