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Energies 2018, 11(4), 1006; https://doi.org/10.3390/en11041006

Towards Improved Energy and Resource Management in Manufacturing

1
School of Mechanical, Aerospace and Automotive Engineering, Coventry University, Coventry CV1 5FB, UK
2
Integrated Environmental Solutions Limited, Helix Buildings, West of Scotland Science Park, Glasgow G20 0SP, UK
3
Institute of Energy and Sustainable Development (IESD), De Montfort University, Queens Building, The Gateway, Leicester LE19BH, UK
*
Author to whom correspondence should be addressed.
Received: 15 March 2018 / Revised: 6 April 2018 / Accepted: 9 April 2018 / Published: 20 April 2018
(This article belongs to the Special Issue Industrial Energy Efficiency 2018)
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Abstract

Exergy analysis has widely been used to assess resource consumption, and to identify opportunities for improvement within manufacturing. The main advantages of this method are its ability to account for energy quality and consumption. However, its application in industrial practice is limited, which may be due to the lack of its consistent application in practice. Current energy management standard, that facilitate consistent application of procedures do not consider the quality aspects of energy flows. An exergy based energy management standards is proposed in this paper that would take into account energy quality aspects, while facilitating the consistent application of exergy analysis in industrial practice. Building on ISO50001, this paper presents guidelines for implementing energy and resource management in factories, incorporating the concepts of exergy and holistic factory simulation, as illustrated through a manufacturing case study. From the factory level analysis, a chilling process was identified to have significant improvement potential. A dry fan cooler, using ambient air was proposed for the improved efficiency of the chillers. Energy based metrics portrayed a system that operated at high efficiency, however exergy analysis indicated much room for further improvement, therefore impacting decision making for technology selection. The contribution of this paper is in presenting a set of prescriptive guidelines that could possibly be further developed into a new energy management standard that would utilize the advantages of exergy analysis towards improved energy and resource management in manufacturing. View Full-Text
Keywords: energy management; industrial energy efficiency; resource efficient manufacturing; exergy analysis; energy management standards energy management; industrial energy efficiency; resource efficient manufacturing; exergy analysis; energy management standards
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Hassan Khattak, S.; Oates, M.; Greenough, R. Towards Improved Energy and Resource Management in Manufacturing. Energies 2018, 11, 1006.

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