کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4992131 | 1457118 | 2017 | 31 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Impact of Gedeon streaming on the efficiency of a double-inlet pulse tube refrigerator
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
جریان سیال و فرایندهای انتقال
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Impact of Gedeon streaming on the efficiency of a double-inlet pulse tube refrigerator Impact of Gedeon streaming on the efficiency of a double-inlet pulse tube refrigerator](/preview/png/4992131.png)
چکیده انگلیسی
Gedeon streaming can cause a considerable deterioration in the efficiency of a double-inlet pulse tube refrigerator, which is usually ascribed to the thermal loss carried by the streaming in the conventional view. This paper addresses a different explanation of the mechanism behind the effect of Gedeon streaming on the efficiency of the double-inlet pulse tube refrigerator. Simulations of a typical double-inlet pulse tube refrigerator for various Gedeon streaming have been conducted to analyze the interaction between the enthalpy flow rate delivered by Gedeon streaming and the local temperature inside the regenerator and the pulse tube. The discussions are focused on the characteristics of acoustic field, the impact of Gedeon streaming on the temperature profiles, and the energy flows at the cold heat exchanger. The results indicate that different temperature profiles inside the regenerator and the pulse tube, caused by Gedeon streaming at various flow rate, can substantially change certain energy flow rates, e.g. equivalent conduction heat flow rate due to entropy transportation. This is the essential mechanism for Gedeon streaming affecting the efficiency of the double-inlet pulse tube refrigerator, instead of the thermal loss due to the enthalpy flow carried by the Gedeon streaming itself.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Thermal Engineering - Volume 111, 25 January 2017, Pages 445-454
Journal: Applied Thermal Engineering - Volume 111, 25 January 2017, Pages 445-454
نویسندگان
Ke Tang, Ye Feng, Tao Jin, Shenghan Jin, Rui Yang,