دانلود مقاله ISI انگلیسی شماره 57873
عنوان فارسی مقاله

تحلیل ترمودینامیکی یک فرایند پاستوریزاسیون شیر به کمک انرژی زمین گرمایی

کد مقاله سال انتشار مقاله انگلیسی ترجمه فارسی تعداد کلمات
57873 2015 10 صفحه PDF سفارش دهید محاسبه نشده
خرید مقاله
پس از پرداخت، فوراً می توانید مقاله را دانلود فرمایید.
عنوان انگلیسی
Thermodynamic analysis of a milk pasteurization process assisted by geothermal energy
منبع

Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)

Journal : Energy, Volume 90, Part 1, October 2015, Pages 987–996

کلمات کلیدی
پاستوریزاسیون شیر؛ انرژی زمین گرمایی؛ تحلیل ترمودینامیکی؛ تحلیل اگزرژی
پیش نمایش مقاله
پیش نمایش مقاله تحلیل ترمودینامیکی یک فرایند پاستوریزاسیون شیر به کمک انرژی زمین گرمایی

چکیده انگلیسی

Renewable energy system is an important concern for sustainable development of the World. Thermodynamic analysis, especially exergy analysis is an intense tool to assess sustainability of the systems. Food processing industry is one of the energy intensive sectors where dairy industry consumes substantial amount of energy among other food industry segments. Therefore, in this study, thermodynamic analysis of a milk pasteurization process assisted by geothermal energy was studied. In the system, a water–ammonia VAC (vapor absorption cycle), a cooling section, a pasteurizer and a regenerator were used for milk pasteurization. Exergetic efficiencies of each component and the whole system were separately calculated. A parametric study was undertaken. In this regard, firstly the effect of the geothermal resource temperature on (i) the total exergy destruction of the absorption cycle and the whole system, (ii) the efficiency of the VAC, the whole system and COP (coefficient of performance) of the VAC, (iii) the flow rate of the pasteurized milk were investigated. Then, the effect of the geothermal resource flow rate on the pasteurization load was analyzed. The exergetic efficiency of the whole system was calculated as 56.81% with total exergy destruction rate of 13.66 kW. The exergetic results were also illustrated through the Grassmann diagram.

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