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Re: [TRNSYS-users] type 536

Mlle Anis,
  It is not possible to directly change the tube diameter. The tube diameter has an impact on the intercept efficiency, the first and second order loss coefficients and on the concentration ratio. You may be able to calculate these values based on some theoretical knowledge of the collector that you are trying to model by using equations that are presented in a text book such as "Solar Engineering of Thermal Processes"
Kind regards,
 David


On 2/13/2014 09:19, Messaouda Anis wrote:
Dear Trnsys_users,
For the type 536
please it is possible to change the diameter of a tube. 
thank you


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