کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
657425 1458063 2014 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Equivalence between the application of entransy and entropy generation
ترجمه فارسی عنوان
همبستگی بین استفاده از ماتریس و تولید آنتروپی
کلمات کلیدی
ورودی آنتروپی، اگزرژی، گردآورندگان خورشیدی، ذخیره انرژی معقول،
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی جریان سیال و فرایندهای انتقال
چکیده انگلیسی
Recently, a group of researchers proposed the concept of entransy by analogy with the electrical energy stored in a capacitor, the entransy being a measure of the ability of a body or a system to transfer heat. In comparative terms, the entransy dissipation rate is related with the loss of heat transfer ability just like the exergy destruction rate is proportional to the loss of work ability, being these losses caused by the irreversibilities related to the thermodynamic processes. Some authors have questioned the need for the concept of entransy, claiming that this concept is only an extension of a well established theory of heat transfer. The objective of this work is show the equivalence between the application of the concepts of entransy and entropy generation rate, which can be verified using various application examples. The application examples used here are the thermodynamic modeling of three physical models of solar energy collectors and a physical model of a sensible heat storage system. Analytical results are shown and compared. The results showed that the application of the concept of entransy provided identical expressions obtained by the concept of entropy generation, indicating a duplication of concepts.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Heat and Mass Transfer - Volume 79, December 2014, Pages 518-525
نویسندگان
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