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Energies, Vol. 11, Pages 1006: Towards Improved Energy and Resource Management in Manufacturing

Energies, Vol. 11, Pages 1006: Towards Improved Energy and Resource Management in Manufacturing

Energies doi: 10.3390/en11041006

Authors: Sanober Hassan Khattak Michael Oates Rick Greenough

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.

Authors:   Hassan Khattak, Sanober ; Oates, Michael ; Greenough, Rick
Journal:   Energies
Volume:   11
edition:   4
Year:   2018
Pages:   1006
DOI:   10.3390/en11041006
Publication date:   20-Apr-2018
Facts, background information, dossiers
  • Energy
  • Exergy
  • energy management
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