wei_zhang's profile - activity

Hi Richard, Thanks for confirmation. Because I am using the OpenStudio, which asked me to choose the curves respectively

@rraustad Thanks for your reply. To summarize my case, I would use one curve: high (outdoor) temperature curve from 23

@rraustad Hi Richard, Finally, I got the Manufacturer's data both graphic and tabular. But the outdoor DB is between 23

Hello everyone

I have a question about the design day in EP+/OpenStudio. I understand for now that the DesignDay is for the general HVAC sizing. If I firstly model a whole building with all passive building systems (without any motorized or mechanical elements), could I run this building simulation without DDY file? Is there any negative impact on this workflow? My intention is to separate the passive building/systems simulation from active features in buildings.

Thanks in advance

Wei

Hi Everyone I am writing a measure to modify thermal behavior of TABS slab. I tried with two opions: 1) using "model.getConstructions" to locate the construction 2) using firstly "surface.surfaceType == 'Floor'", and then "surface.construction.get"

But both method did not find the "Construction with internal source", it seems this class is not in the scope of .getConstructions or .construction. Is there some way I could locate the ConstructionWithInternalSource?

Thanks

Wei

Hi everyone I am trying to model a VRF system in OpenStudio with model AirConditioner:VariableRefrigerantFlow. I found many choices for the curve of cooling part, as well as for heating part: My question is if there is some visual or practical guide to choose the curve for a customized VRF system? by default, all the curves seem to be the "6". Or what's the difference amongst these curves in each choice?

Thanks in advance

Thank you for your insightful advices

Thanks for your quick response; I contacted them today, they said they would send me the specification. But I wait until

@rraustad Hi Richard, Thanks for your excellent paper. I read it and learned a lot. As far as I understand, the curves

Great, Thanks a lot

The choice of curve for VRF system Hi everyone I am trying to model a VRF system in OpenStudio with model AirConditione

It will generate the HVAC system as well in the Prototype buildings.

"Create DOE Prototype Building" measure in BCL: https://bcl.nrel.gov/node/83591

Thank you so much for your kindly help. There are so many features in OpenStudio to explore....

Thanks I found them. They are normal for mechanical system components. What if I want to put a sensor in a space or ther

Thanks I found them

Thanks @mechyai, could you please tell more about the EMS sensors/actuators checklists, is it located in OpenStudio Appl

Python plugin and library workflow Hi everyone I have a workflow question about the Python EMS. I noticed that after w

Python plugin and library workflow Hi everyone I have a workflow question about the Python EMS. I noticed that after w

Python plugin and library workflow Hi everyone I have a workflow question about the Python EMS workflow. I noticed tha

Thanks Scott for your reply

DesignDay in EP+ is necessary if without HVAC Hello everyone I have a question about the design day in EP+/OpenStudio.

DesignDay in EP+ is necessary if without HVAC Hello everyone I have a question about the design day in EP+/OpenStudio.

Thanks Eric, I understand now

@Eric Ringold Thanks Eric, I have a further question. In Measure's Writer's Guide "if you want to test if the object re

@Eric Ringold Thanks Eric, I have a further question. In Measure's Writer's Guide "if you want to test if the object re

@Eric Ringold Thanks Eric, I have a further question. In Measure's Writer's Guide "if you want to test if the object re

Hi sashadf1, You raised a very good question. For this moment I used .to_OpaqueMaterial.get.thermalResistance and to

Thanks Eric, I changed the name and it worked well

Cool, thanks a lot

Hi Matthew Thanks for your advice. I just tried with model.getConstructionWithInternalSources, but got one error for "d

Construction with internal source and .getConstructions Hi Everyone I am writing a measure to modify thermal behavior o

Thanks Matthew, But when I download the measure as you gave (https://bcl.nrel.gov/node/83269), I can only found one XML

I happened to see this answer. Hi Eric, I did not find to_Construction in OpenStudio SDK. Could you please help me where