Grasshopper

algorithmic modeling for Rhino

00 | Honeybee
01 | Daylight | Material
02 | Daylight | Light Source
03 | Daylight | Recipes
04 | Daylight | Daylight
05 | Energy | Building Program
06 | Energy | Material | Construction
07 | Energy | Schedule
08 | Energy | Set Zone Properties
09 | Energy | HVACSystems
10 | Energy | Energy
11 | THERM
12 | Developers
13 | WIP

R-Value With Air Films

Component Index > Honeybee > 06 | Energy | Material | Construction > R-Value With Air Films

Use this component to account for air films in the U-Value and R-Value of any decomposed Honeybee construction or material.
Note that EnergyPlus has its own means of calculating the effects of air films on either side of a construction but, here, we provide an apporximate method based on an input surfaceType_.

Inputs

NameIDDescriptionType
_uValue_SI_uValue_SIThe U-Value_SI out of either the "Honeybee_Decompose EP Construction" or the "Honeybee_Decompose EP Material."Goo
surfaceType_surfaceType_An integer value from 0 to 3 that represents one of the following surface types: 0 - Exterior Wall/Window 1 - Interior Wall/Window 2 - Exterior Roof 3 - Exposed Interior FloorGoo

Outputs

NameIDDescriptionType
UValue_SI_wAirUValue_SI_wAirScript variable PythonGoo
UValue_IP_wAirUValue_IP_wAirScript variable PythonGoo
RValue_SI_wAirRValue_SI_wAirScript variable PythonGoo
RValue_IP_wAirRValue_IP_wAirScript variable PythonGoo

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