کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10127351 | 1645050 | 2018 | 33 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Experimental and numerical investigation on the novel latent heat exchanger with paraffin/expanded graphite composite
ترجمه فارسی عنوان
بررسی تجربی و عددی بر مبنای جدید مبدل حرارتی پنهان با کامپوزیت گرافیت پارافین / گسترش یافته
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کلمات کلیدی
ذخیره سازی گرمایی خنثی، مواد تغییر فاز مبدل حرارتی، پارافین،
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
جریان سیال و فرایندهای انتقال
چکیده انگلیسی
In this paper, a novel latent heat exchanger with two flow channels was investigated experimentally and numerically. The phase change material was filled in the annular tube, while the working fluid flow in the shell and tube side runner. The design of multi flow channels allow it apply into energy storage system with different working fluid. The paraffin/expanded graphite composite with phase changing temperature around 50â¯Â°C was filled in the annular tubes. Heating and discharging tests have been performed in different flow rate. The numerical model was built and validated with experimental data. The experimental results indicates that overall energy shows decreasing tendency with higher flow rate while the average power increases with inlet velocity. The liquid fraction and temperature distribution of PCM was studied numerically by validated simulation model. In addition, it can conclude that the heat resistance of system lay in the PCM side, the improvement of system overall thermal conductivity still need further investigation.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Thermal Engineering - Volume 144, 5 November 2018, Pages 836-844
Journal: Applied Thermal Engineering - Volume 144, 5 November 2018, Pages 836-844
نویسندگان
Wenzhu Lin, Qianhao Wang, Xiaoming Fang, Xuenong Gao, Zhengguo Zhang,