Arnoud,
Are you also changing the area parameter? That parameter is the total array area - not the module area. Also pay attention to the flow rate - as that is also the array flow rate.
Otherwise, no, you should get the same temperature. Imagine a single 4 x 8 collector, keeping the same size, flow rate etc, wouldn't you expect eight 4 x 1 collectors in series to produce the same result?
Jeff Thornton
TESS
Sent from my iPhone
> _______________________________________________
> On Aug 21, 2015, at 3:45 AM, Arnaud Candaele <arnaud.candaele@gmail.com> wrote:
>
> Hi,
>
> I'm trying to model a simple solar thermal collector, using Type1a.
>
> I created a very simple test case, basically just taking the outdoor temperature and solar radiation, and plotting the outlet temperature.
> The thing is, I'm changing the number of collectors in series, and the plotted outlet temperature doesn't change at all.
> Isn't it supposed to change ?
>
> Thanks for any help !
>
> Arnaud
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