Efficiency of Manufacturing Processes: Energy and Ecological by Wen Li

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By Wen Li

This monograph offers a competent method for characterising the power and eco-efficiency of unit production tactics. the explicit power intake, SEC, could be pointed out because the key indicator for the power potency of unit methods. An empirical method can be confirmed on various desktop instruments and production procedures to depict the connection among method parameters and effort consumptions. Statistical effects and extra validation runs will corroborate the excessive point of accuracy in predicting the strength intake. relating to the eco-efficiency, the worth and the linked environmental affects of producing strategies can be mentioned. The interrelationship among method parameters, technique worth and the linked environmental influence can be built-in within the overview of eco-efficiency. The booklet concludes with one other research of the implications for you to strengthen techniques for additional potency development. the objective viewers essentially includes researchers and specialists within the box, however the e-book can also be valuable for graduate scholars.

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Inventory analysis is followed by impact assessment including characterization and classification. There are different impact categories used for Life Cycle Impact Assessment (LCIA) (Finnveden 2009). For example, Global Warming Potentials (GWP) is an index to measure the emission of greenhouse gases, measured in CO2 equivalents; Abiotic Depletion Potential (ADP) is an indicator of abiotic resource consumption, measured in antimony equivalents; whereas, Eco indicator 99 encompasses most of the environmental impact categories represented by a single score.

Energy 38(1):331–345 Gutowski T (2010) The efficiency and eco-efficiency of manufacturing. Int J Nanomanuf 6(1–4):38–45 Gutowski T, Murphy C, Allen D, Bauer D et al (2005) Environmentally benign manufacturing: observations from Japan, Europe and the United States. J Clean Prod 13(1):1–17 Gutowski T, Dahmus J, Thiriez A, Branham M, Jones A (2007) A thermodynamic characterization of manufacturing processes. In: IEEE International symposium on electronics and the environment, Orlando References 21 Gutowski T, Branham MS, Dahmus JB, Jones AJ, Thiriez A, Sekulic DP (2009) Thermodynamic analysis of resources used in manufacturing processes.

This can also be applied to the finishing turning and milling processes. • Injection molding: it is a material addition process, whose primary objective is to form and shape plastics; thus, the weight of injected part is representative for the process value. The selected manufacturing processes cover a range of processes from material removal to material addition. Other manufacturing processes can refer to the relevant selected type of process. For instance, casting also belongs to the category of material addition which can be related to injection molding.

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