[TRNSYS-users] Plant model

David BRADLEY d.bradley at tess-inc.com
Tue Oct 1 07:43:25 PDT 2019


Jean-Pierre,

   I have recently been finding more papers proposing models for 
evapotranspiration from plants. I implemented one of them called the 
Penman-Monteith equation in a Type for a project. The model represents a 
"reference" evapotranspiration rate but there are a /lot/ of factors 
that influence the rate away from the reference value. These might be 
things like crop type, crop area, crop age, crop management practices, 
local weather factors (like ongoing droughts or floods). It is possible 
to find information about how some of those variables modify the 
reference rate but in my experience not all of them. The equation was 
definitely not developed with plants as part of a glazing system in mind 
but it might give you a first approximation of the evapotranspiration rate.

   Please let me know if you are interested; I can get you some more 
info about the Type or about the equation.

kind regards,

  David


On 09/30/2019 08:38, Jean-Pierre BEDRUNE via TRNSYS-users wrote:
>
> Hi all,
>
> I intend to modelize a Dual wall made of glazing containing plants.
>
> Do you know a Trnsys component able to modelize the evaporation of 
> plants in such a case ?
>
> Kind regards,
>
> Logo Addenda - très petite taille
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-- 
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
3 North Pinckney Street - suite 202
Madison, WI  53703 USA

P:+1.608.274.2577
F:+1.608.278.1475
d.bradley at tess-inc.com

http://www.tess-inc.com
http://www.trnsys.com

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