The heat transfer rates should be equal on both sides of the heat exchanger if that's what you are referring to. The effectiveness affects the heat exchanger approach temperatures.
Andrew Chiasson, Ph.D., P.E.
Assistant Professor
University of Dayton
Department of Mechanical and Aerospace Engineering / Renewable and Clean Energy
300 College Park Dr.
Kettering Labs, Room 361
Dayton, OH 45469-0238
937-229-2892 (W)
937-229-4766 (Fax)
-----Fred Betz <fbetz@aeieng.com> wrote: -----
>To: "trnsys-users@cae.wisc.edu" <trnsys-users@cae.wisc.edu>
>From: Fred Betz <fbetz@aeieng.com>
>Date: 03/29/2010 05:05PM
>Subject: [TRNSYS-users] Heating Coil: Type 670-1 bug
>
>
>
>
>
>
>
>
>
>All,
>
>
>
>
>
>
>There appears to be a bug in the Type 670-1 heating coil.
>
>
>
>
>
>
>I set the effectiveness of the coil to 0.70, but the air and
>water side heat transfer rates are approximately equal.
>
>
>
>
>
>
>Anyone have a fix?
>
>
>
>
>
>
>Fred
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>Fred Betz
>
>
>
>PhD., LEED AP
>
>
>
>
>Sustainable
> Systems Analyst
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>AEI
>
> | AFFILIATED ENGINEERS, INC.
>
>
> 5802 Research Park Blvd. | Madison, WI 53719
>
>
>
>
>
>
>
>P: 608.236.1175 | F:
> 608.238.2614
>
>
>
>
>
>
>fbetz@aeieng.com
> |
>
>www.aeieng.com
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>_______________________________________________
>TRNSYS-users mailing list
>TRNSYS-users@cae.wisc.edu
>https://www-old.cae.wisc.edu/mailman/listinfo/trnsys-users