[TRNSYS-users] Solar wood dryer

Jeff Thornton thornton at tess-inc.com
Mon Jun 10 10:22:31 PDT 2013


 

<I work on a project of a conception of a solar wood dryer and i
have a problem with the control of the temperature. My aim is to
maintain the cold-side outlet temperature of a heat exchanger water/air
at a constant value. It is connected to a stratified storage water tank
that the profile of the temperature of its top is variable due to the
fluctuation of the solar radiation.> 

The Type 670 heating coil in the
TESS HVAC Library does exactly as you suggest - maintains a given
air-side outlet temperature by varying (bypassing) the hot, liquid side
flow rate around the heat exchanger. 

Jeff 

---

Jeff Thornton


_President - TESS LLC_ 

_22 N. Carroll Street, Madison WI USA 53703_


_Office: (608) 274-2577 Fax: (608) 278-1475_ 

_www.tess-inc.com_


_E-Mail: thornton at tess-inc.com_ 

On 06/10/2013 6:40 am, Amani ZRIBA
wrote: 

> Dear Madam / Sir, 
> 
> I work on a project of a conception
of a solar wood dryer and i have a problem with the control of the
temperature. My aim is to maintain the cold-side outlet temperature of a
heat exchanger water/air at a constant value. It is connected to a
stratified storage water tank that the profile of the temperature of its
top is variable due to the fluctuation of the solar radiation. 
> 
> I
have thought that the control of the water outlet flow of the tank could
solve the problem, but i didn't find the appropriate components to
simulate this test. 
> 
> Can you help me to continue my work? 
> 
>
Thank you for your kindness. 
> 
> Yours sincerly.
 
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