Study on the heat transfer characteristic of solar powered thermoacoustic prime mover at different tilted angles

被引：12
|
作者：
Shen, Chao [1 ]
Li, Hong-Xin [1 ]
Zhang, Dong-Wei [2 ]
Yu, Peng [1 ]
Pan, Na [3 ]
Wang, Shuang-Feng [3 ]
机构：
[1] Zhengzhou Univ, Sch Civil Engn, Zhengzhou 450001, Peoples R China
[2] Zhengzhou Univ, Sch Chem Engn & Energy, MOE, Res Ctr Technol & Equipments Energy Saving Therma, Zhengzhou 450001, Peoples R China
[3] South China Univ Technol, Guangzhou 510640, Guangdong, Peoples R China
来源：
APPLIED THERMAL ENGINEERING | 2016年 / 103卷
基金：
中国国家自然科学基金;
关键词：
Thermoacoustic engine; Tilt angle; Heat transfer; Solar energy; DRIVEN; FLOW; LOUDSPEAKER; ENGINE;
D O I：
10.1016/j.applthermaleng.2016.04.096
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Solar powered thermoacoustic prime mover is an attractive device for solar thermal utilization. Its performance is significantly affected by tilt angle when it rotates with the Sun. In this study, the heat transfer characteristics within thermoacoustic core were investigated under 3 tilt angles including, -90 degrees, 0 degrees and 90 degrees. The temperature fields of thermoacoustic core were measured by Thermal Infrared Imager. Experimental results show that the tilt angle has significant influence on the heat transfer and the temperature field in the thermoacoustic core when the engine onset. Three tilt angles were classified into three situations according to the relative position of two heat exchangers. And the temperature field and heat transfer characteristic was discussed in each situation. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1126 / 1134
页数：9
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