Chosing air blowers to force air through a solar heat storage array

AI Thread Summary
The discussion revolves around the design of a solar collector using rectangular hollow steel bars filled with gravel for heat storage, with the intention of preheating air for a gas combustion oven to reduce gas consumption. Participants inquire about the necessary airflow requirements, dimensions, and orientation of the system. There is a specific question about whether a normal fan can be used or if a blower is required for effective air movement. Additionally, the need for a dimensioned sketch of the proposed system is suggested to clarify the design. This conversation highlights the importance of airflow calculations and system specifications in optimizing solar heat storage solutions.
Salah
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hi guys:
i plan to make solar collector using rectangular hollow steel bar 4×8cm filled with gravel as heat storage and blow air through it and direct that air as preheated for gas combustion oven to reduce gas consumption .can i use a normal fan or it has to a blower?
 
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Welcome, @Salah !

Do you know how much air will need to flow through one of the hollow steel bars?
How long each?
Vertical or horizontal?
What size stone?

I am assuming that you will have some of those in parallel.
 
Salah said:
i plan to make solar collector using rectangular hollow steel bar 4×8cm filled with gravel as heat storage and blow air through it and direct that air as preheated for gas combustion oven
Can you upload a dimensioned sketch of your proposed system? That would help a lot, thanks.

(Use "Attach files" to upload a PDF or JPEG image)
 

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