کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8107832 | 1522209 | 2012 | 10 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
A carbon efficiency approach for life-cycle carbon emission characteristics of machine tools
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی انرژی
انرژی های تجدید پذیر، توسعه پایدار و محیط زیست
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Reduction of carbon emissions of machine tools is an essential key to achieve low carbon manufacturing in various manufacturing system environments. To achieve this, the first step is to devise methods to understand and characterize the carbon emissions of machine tools. A carbon efficiency approach is presented to quantitatively characterize the life-cycle carbon emissions of machine tools, in which carbon efficiency is defined as the ratio of capacity or service value provided by machine tool to the corresponding carbon emissions. The life-cycle carbon emissions include two categories, fixed emissions and varied emissions which closely relate the throughput and operation time of machine tools. The dynamic characteristics of varied emissions are analyzed with the carbon efficiency functions of production rate, material remove volume, and economic return accordingly. The case study shows that light weight design and remanufacturing can reduce fixed emissions, and varied emissions can be reduced by improving energy efficiency and making the best matching of equipments and production tasks.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Cleaner Production - Volume 37, December 2012, Pages 19-28
Journal: Journal of Cleaner Production - Volume 37, December 2012, Pages 19-28
نویسندگان
Huajun Cao, Hongcheng Li, Haiqin Cheng, Yi Luo, Ruixue Yin, Yongpeng Chen,