[TRNSYS-users] doubt regarding selection of evacuated tube
thornton at tess-inc.com
Wed Oct 4 10:25:01 PDT 2017
It really depends on what performance data you have available for the
solar collector you'll be using. Type 71 and 538 use a quadratic
efficiency equation and Type 1288 uses the 6 parameter model from the
EN12975 standard. Beyond that, Type 538 is somewhat similar to Type 71
but offers more features (outlet temperature control, impact of mass,
President - TESS LLC
22 N. Carroll Street, Madison WI USA 53703
Office: (608) 274-2577 Fax: (608) 278-1475
E-Mail: thornton at tess-inc.com
On 10/04/2017 11:03 am, Aditi Garg via TRNSYS-users wrote:
> Dear TRNSYS user,
> I would like to know how should we select the evacuated tube for solar water heating. I am unable to know which will be better, type 1288 , type 538 or type 71?
> I have tried reading them through theory but still unable to decide. I would really appreciate if anyone can help me with them.
> thank you
> ADITI GARG
> TRNSYS-users mailing list
> TRNSYS-users at lists.onebuilding.org
> http://lists.onebuilding.org/listinfo.cgi/trnsys-users-onebuilding.org 
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