[TRNSYS-users] Plant model

Marie-Hélène mariehtalbot at gmail.com
Thu Oct 3 10:34:07 PDT 2019


Hi Jean-Pierre,

I have created a TRNSYS component based on a crops model developed by
Graamans et al. (2017). The model has been validated for hydroponic
lettuces growing in steady-state conditions under electrical lighting (no
natural light). If you are interested, I would be happy to share the model.
Please feel free to contact me at my email address.

Graamans, L., van den Dobbelsteen, A., Meinen, E., & Stanghellini, C.
(2017). Plant factories; crop transpiration and energy balance.
Agricultural Systems, 153(Supplement C), 138-147.

Kind regards,
*Marie-Hélène Talbot*, M.Sc.A.|Étudiante au doctorat
Département de génie de la construction
École de technologie supérieure


Le mar. 1 oct. 2019 à 10:43, David BRADLEY via TRNSYS-users <
trnsys-users at lists.onebuilding.org> a écrit :

> 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,
>
>
>
>
>
>
>
> [image: Logo Addenda - très petite taille]
>
>
>
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> 29*
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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:+1.608.278.1475d.bradley at tess-inc.com
> http://www.tess-inc.comhttp://www.trnsys.com
>
>
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