Dear Jeff, Thanks for your response. I am looking for the F’ equation for Type538 evacuated tube collector and Type539 flat plate collector. I think I have read the mathematic description thoroughly. In the description, it gives a solution to work out the F’ when the second order efficiency coefficient is zero. However, it requires the list of F’ equation as a function for F to work out the F’ when the second order efficiency coefficient is not zero . I cannot find this list anywhere. Hope you can help with it. Thank you very much. Zhe Li From: trnsys-users-bounces@cae.wisc.edu [mailto:trnsys-users-bounces@cae.wisc.edu] On Behalf Of Jeff Thornton <I am looking for the list of the F’ (collector fin efficiency) equation as a function of Fav (heat removal factor). It is written on the mathematic description that the list is provided at the end of the chapter. However, I cannot find it anywhere. > For which model are you looking for the F' equation? Jeff --- Jeff Thornton President - TESS LLC 22 N. Carroll Street, Madison WI USA 53703 Office: (608) 274-2577 Fax: (608) 278-1475 E-Mail: thornton@tess-inc.com On 04/30/2013 7:34 am, Zhe Li wrote:
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