Performance evaluation of a novel flat-plate solar air collector with micro-heat pipe arrays (MHPA)

2017 ◽  
Vol 118 ◽  
pp. 1-16 ◽  
Author(s):  
Tingting Zhu ◽  
Yanhua Diao ◽  
Yaohua Zhao ◽  
Cheng Ma
Keyword(s):  
Performance Evaluation ◽  
Flat Plate ◽  
Heat Pipe ◽  
Micro Heat Pipe ◽  
Solar Air Collector

Experimental Investigation of a New Flat Plate Solar Heat Collector by Micro Heat Pipe Array

2010 ◽  
Author(s):  
Yao-Hua Zhao ◽  
Fei-Long Zou ◽  
Yan-Hua Diao ◽  
Zhen-Hua Quan
Keyword(s):  
Flat Plate ◽  
Heat Pipe ◽  
High Efficiency ◽  
Heat Pipes ◽  
Total Heat Loss ◽  
Solar Heat ◽  
Solar Water ◽  
Micro Heat Pipe ◽  
Heat Collector ◽  
Micro Heat Pipes

The performance of a new flat plate solar heat collector with perfect combination of high efficiency and low cost is investigated experimentally. The new system described in this study uses a novel micro heat pipe array as a key component for the system. One such flat plate heat collector contains over 300 micro heat pipes per 1m2 and the hydraulic diameter of the micro heat pipes is 0.4–1.0mm. A detailed heat transfer experimental study is conducted during daylight hours over several months, focusing on the collector efficiency and overall efficiency of the system as well as total heat loss factor. The results show that the collector’s maximum instantaneous efficiency is up to 88%. Compared with conventional evacuated glass tube solar water heater, the system offers the additional benefits of high pressure resistance, low weight, good reliability and durability, easy integration into buildings and absence of freezing during winter months. Besides, compared with traditional flat-plate solar water system which is mainly sheet-and-tube concept, the system also shows many advantages: higher efficiency, much cheaper, absence of tube-bonding and freezing etc. Therefore, the system proposes a unique substitute to common solar water heating systems.

Performance of a new type of solar air collector with transparent-vacuum glass tube based on micro-heat pipe arrays

Energy ◽  
2019 ◽  
Vol 177 ◽  
pp. 16-28 ◽  
Author(s):  
Teng-yue Wang ◽  
Yao-hua Zhao ◽  
Yan-hua Diao ◽  
Ru-yang Ren ◽  
Ze-yu Wang
Keyword(s):  
Heat Pipe ◽  
Glass Tube ◽  
Micro Heat Pipe ◽  
Solar Air Collector ◽  
New Type

Thermal performance of a new CPC solar air collector with flat micro-heat pipe arrays

2016 ◽  
Vol 98 ◽  
pp. 1201-1213 ◽  
Author(s):  
Ting-Ting Zhu ◽  
Yan-Hua Diao ◽  
Yao-Hua Zhao ◽  
Feng-Fei Li
Keyword(s):  
Heat Pipe ◽  
Thermal Performance ◽  
Micro Heat Pipe ◽  
Solar Air Collector
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