<div dir="ltr">Hi ,<div><br></div><div>In my simulation I'm using tank Type 60 with internal heat exchanger. So I wanted to evaluate the influence of the HX area on the solar fraction and collector efficiency but with keeping all parameters constant and only changing the HX area and length I keep getting exactly the same solar fraction and same amount of HX energy transferred in the tank even if the HX areas are double in difference between the two simulations.</div>
<div><br></div><div>Any explanation regarding this?</div><div><br></div><div>Thank you</div><div><br></div><div>Kind regards</div><div>Martin</div><div> </div></div>