[TRNSYS-users] efficiency of solar collectors

[Andrés Montero]

Hello,

Does anyone knows how to convert a quadratic efficiency equation
(eta=a0-a1*(DT/I)-a2*DT^2/I with DT=0.5*(Tfluid_outlet-Tfluid_inlet)-Tamb)
of a parabolic trough collector to a linear efficiency equation
(eta=a-b*DT/I)? I need this conversion in order to use Type 536.

Thank you

Andrés
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