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[TRNSYS-users] SDHW example TRNSYS




In this attachment file, I tried to calculate hourly thermal efficiency of solar collector by using this two equation Inline image 3 and Inline image 4. But after comparing the result, why the hourly efficiency different?

And also please check "Comparison Energy balance" sheet. I don't understand why q gain from solar collector has different value with qin storage. even though in the example there is no heat exchanger between solar collector and storage.


Thank you.


Attachment: TRNSYS EXAMPLE SDHW.xlsx
Description: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet