Impacts of Adding Porous Media on Performance of Double-Pass Solar Air Heater under Natural and Forced Air Circulation Processes

2021 ◽  
pp. 106738
Author(s):  
Mothana M. Mohamed Salih ◽  
Omar Rafae Alomar ◽  
Husam Naufal Saleh Yassien
Keyword(s):  
Porous Media ◽  
Solar Air Heater ◽  
Double Pass ◽  
Air Heater ◽  
Forced Air ◽  
Air Circulation

An experimental investigation of a double pass solar air heater performance: A comparison between natural and forced air circulation processes

Solar Energy ◽  
2019 ◽  
Vol 193 ◽  
pp. 184-194 ◽  
Author(s):  
Mothana M. Mohamed Salih ◽  
Omar Rafae Alomar ◽  
Firas Aziz Ali ◽  
Hareth Maher Abd
Keyword(s):  
Experimental Investigation ◽  
Solar Air Heater ◽  
Double Pass ◽  
Air Heater ◽  
Forced Air ◽  
Air Circulation

scholarly journals Thermal Investigations of Double Pass Solar Air Heater with Two Types of Porous Media of Different Thermal Conductivity

2021 ◽  
Vol 39 (1A) ◽  
pp. 79-88
Author(s):  
Jalal M. Jalil ◽  
Shrooq J. Ali
Keyword(s):  
Thermal Conductivity ◽  
Porous Medium ◽  
Stainless Steel ◽  
Porous Media ◽  
Thermal Efficiency ◽  
Wire Mesh ◽  
Solar Air Heater ◽  
Steel Wool ◽  
Double Pass ◽  
Air Heater

This study describes an experimental investigation of the thermal efficiency of stainless steel mesh and steel wool as a porous medium in the lower channel of a double pass solar air heater. An experimental setup was planned and developed. Various types of porous media with high thermal conductivity and with different porosities have been tested. The effects of the porosity of wire mesh, the thermal conductivity of porous media, mass flow rate, and the intensity of radiation have been studied. Experimental results show that thermal efficiency with using porous media is greater than without using porous media. When used steel wool as a porous medium, the thermal efficiency reached 79.82 percent while it can be achieved 76.  The percent by using stainless mesh as porous material. The reduction in porosity increasing thermal efficiency. The thermal efficiency of multi-pass solar air collector when used steel wool as porous media is 6, 12.6 and31.7percent higher than without porous media at porosity 98.75, 97.5, and 96.25percent. While it can increase 8.1 and 28.5 percent at porosity 97.875 and 95.75 percent when using stainless steel as porous media.

PERFORMANCE ANALYSIS OF DOUBLE PASS COUNTER FLOW SOLAR AIR HEATER FOR DRYING APPLICATION

2018 ◽  
Author(s):  
D.V.N. Lakshmi ◽  
Palanisamy Muthukumar ◽  
Dr.Apurba Layek ◽  
Abhimanyu Kumar Singh ◽  
Sushoban Das
Keyword(s):  
Performance Analysis ◽  
Solar Air Heater ◽  
Double Pass ◽  
Counter Flow ◽  
Air Heater

The effect of using transverse fins on a double pass flow solar air heater using wire mesh as an absorber

Solar Energy ◽  
2011 ◽  
Vol 85 (7) ◽  
pp. 1479-1487 ◽  
Author(s):  
M.F. El-khawajah ◽  
L.B.Y. Aldabbagh ◽  
F. Egelioglu
Keyword(s):  
Wire Mesh ◽  
Solar Air Heater ◽  
Double Pass ◽  
Air Heater
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