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Re: [TRNSYS-users] Solar wood dryer



<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

 

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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@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.