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A method for Estimating the Degree of Uncertainty With Respect to Life Cycle Assessment During Design

Kota, Srinivas and Chakrabarti, Amaresh (2010) A method for Estimating the Degree of Uncertainty With Respect to Life Cycle Assessment During Design. In: Journal of Mechanical Design, 132 (9).

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Life cycle assessment (LCA) is used to estimate a product's environmental impact. Using LCA during the earlier stages of design may produce erroneous results since information available on the product's lifecycle is typically incomplete at these stages. The resulting uncertainty must be accounted for in the decision-making process. This paper proposes a method for estimating the environmental impact of a product's life cycle and the associated degree of uncertainty of that impact using information generated during the design process. Total impact is estimated based on aggregation of individual product life cycle processes impacts. Uncertainty estimation is based on assessing the mismatch between the information required and the information available about the product life cycle in each uncertainty category, as well as their integration. The method is evaluated using pre-defined scenarios with varying uncertainty. DOI: 10.1115/1.4002163]

Item Type: Journal Article
Publication: Journal of Mechanical Design
Publisher: The American Society of Mechanical Engineers
Additional Information: Copyright of this article belongs to The American Society of Mechanical Engineers.
Keywords: Uncertainty; life cycle assessment; ecodesign; intervals; weighted objectives.
Department/Centre: Division of Mechanical Sciences > Centre for Product Design & Manufacturing
Date Deposited: 18 Oct 2010 07:29
Last Modified: 18 Oct 2010 07:29
URI: http://eprints.iisc.ac.in/id/eprint/33133

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