کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
11029737 | 1646464 | 2018 | 10 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Experimental study on discharging performance of vertical multitube shell and tube latent heat thermal energy storage
ترجمه فارسی عنوان
مطالعات تجربی بر روی عملکرد تخلیه ذخیره سازی انرژی گرمایی حرارتی پمپ حرارتی چند منظوره عمودی
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کلمات کلیدی
ذخیره انرژی حرارتی، مواد تغییر فاز چندگانه شل و لوله، شاخص عملکرد حرارتی، راندمان تخلیه،
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی انرژی
انرژی (عمومی)
چکیده انگلیسی
An experimental investigation on the thermal performance of vertical multitube shell and tube based latent heat thermal energy storage system (LHTES) during discharging process for solar applications at medium temperature (â¼200â°C) is presented in this paper. A commercially available organic phase change material (PCM), A164 having melting temperature of 168.7â°C is stored in the shell side and a thermic oil, Hytherm 600 as heat transfer fluid (HTF), is flown through seven tubes. The effects of three operating parameters, such as inlet HTF temperature, mass flow rate and initial PCM temperature on the outlet HTF temperature are investigated during discharging period. The total energy released, discharging efficiency and heat fraction are analyzed to understand the solidification process of PCM in the multitube LHTES. Thermal Performance Index (TPI) is calculated to evaluate the overall thermal performance of the LHTES under different conditions. The results indicate that the energy released and discharging efficiency increase with increasing mass flow rate and initial PCM temperature and with decreasing inlet HTF temperature. The maximum discharge efficiency and TPI is obtained for the initial PCM temperature of 210â°C with the inlet HTF temperature of 100â°C and the mass flow rate of 0.097âkg/s in this study. Heat fraction is found to be maximum for high mass flow rate, low inlet HTF temperature and higher initial PCM temperature.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Energy Storage - Volume 20, December 2018, Pages 279-288
Journal: Journal of Energy Storage - Volume 20, December 2018, Pages 279-288
نویسندگان
Appasaheb K. Raul, Pratik Bhavsar, Sandip Kumar Saha,