Considering the elevations of the storage time and the pipings and also the temperature differences within the collector. How can the mass flow of a solar water heater be calculated under natural circulation?
Dear Ibeabuchi
A certain substance (eg sawdust) is added to the working fluid and its speed can be observed through a transparent glass tube
By knowing the diameter of the glass tube the mass flow rate can be calculated
Hello,
I don't know if I understood your question but You can make your calculation using the worst scenario ( maximum and minimum values necessary) and the better one for each case you want to study. You need to see also if you can work with an average value knowing the conditions when you want to change the amount of water.
Maria Rosa Duque
Article Numerical Investigation of Flow and Heat Transfer Performanc...
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