Analysis of exergetic performance for a combined ultrasonic power/ convective hot air dryer
文献类型： 外文期刊
作者： Wang, Hui 1 ; Torki, Mehdi 2 ; Taherian, Arian 3 ; Beigi, Mohsen 4 ; Xiao, Hong-Mei 1 ; Fang, Xiao-Ming 5 ;
作者机构： 1.Nanjing Agr Univ, Coll Food Sci & Technol, Nanjing 210095, Jiangsu, Peoples R China
2.Tech & Vocat Univ TVU, Fac Elect & Comp Engn, Dept Comp Engn, Tehran, Iran
3.Shiraz Univ, Coll Agr, Dept Biosyst Engn, Shiraz, Iran
4.Islamic Azad Univ, Dept Mech Engn, Tiran Branch, Tiran, Iran
5.Chinese Acad Agr Sci, Inst Apicultural Res, 1 Xiangshan Beigou, Beijing 100093, Peoples R China
关键词： Ultrasonic power; Exergy efficiency; Exergy destruction; Convective drying
期刊名称：RENEWABLE & SUSTAINABLE ENERGY REVIEWS （ 影响因子：15.9； 五年影响因子：16.9 ）
ISSN： 1364-0321
年卷期： 2023 年 185 卷
页码：
收录情况： SCI
摘要： Recently, the effectiveness of combined use of non-thermal technologies to improve hot air dryers' performance from both the energy and quality point of views has been proven. However, no study has been reported on thermodynamic analysis of such hybrid systems. The present work dealt the influence of ultrasonic power combination with convective hot air dryer on exergetic performance of the system. Potato cubes were dried at different drying air temperatures (45-65 degrees C) and velocities (0.5-1.5 m/s) and ultrasonic powers (0-0.08 kW). Based on the findings obtained through the experiments, the exergy loss varied averagely from 240.58 to 600.83 kJ, and was decreased continuously with increasing the power level. The average exergy destruction ranged from 169.61 to 1554.23 kJ, and was decreased at the higher air temperatures and velocities. Combination of ultrasonic power with hot air intensified the exergy destruction. The average exergy efficiency varied from 24.19 to 91.42% and from 11.67 to 38.27% for the drying chamber and process, respectively.
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