Thermal-hydraulic performance evaluation of gas-liquid multiphase flows in a vertical sinusoidal wavy channel in the presence/absence of phase change

2019 ◽  
Vol 138 ◽  
pp. 677-689 ◽  
Author(s):  
A. Ahmadpour ◽  
S.M.A. Noori Rahim Abadi
Keyword(s):  
Performance Evaluation ◽  
Phase Change ◽  
Multiphase Flows ◽  
Hydraulic Performance ◽  
Wavy Channel

scholarly journals Thermal performance evaluation of a new structure hot water tank integrated with phase change materials

2019 ◽  
Vol 158 ◽  
pp. 5034-5040
Author(s):  
Di Qin ◽  
Zhun (Jerry) Yu ◽  
Tingting Yang ◽  
Shuishen Li ◽  
Guoqiang Zhang
Keyword(s):  
Performance Evaluation ◽  
Phase Change ◽  
Thermal Performance ◽  
Phase Change Materials ◽  
Hot Water ◽  
Water Tank

Annual Performance Evaluation of Evacuated Tube Solar Air Collector With Phase Change Material

2020 ◽  
Vol 142 (3) ◽  
Author(s):  
Neeraj Mehla ◽  
Manoj Kumar ◽  
Avadhesh Yadav
Keyword(s):  
Performance Evaluation ◽  
Phase Change ◽  
Phase Change Material ◽  
Average Temperature ◽  
Hot Air ◽  
Solar Air Collector ◽  
Collector Efficiency ◽  
Evacuated Tube ◽  
Change Material

Abstract This manuscript has been presented to evaluate the annual performance of evacuated tube solar air collector (ETSAC) by using phase change material (PCM). The PCM (acetamide) simultaneously stores and exchange the heat to the air amid day hours. The heat stored by the PCM has been used to deliver hot air amid night hours. The performance of the system has been analyzed with a circular fin configuration along with reflectors at 0.035 kg/s air flowrate for 12 typical days. The performance of the system has been found excellent in the month of July. The maximum average temperature of PCM has been found to be as 87.8 °C and the maximum average collector efficiency as 31.4%.

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