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2019-11-26 08:52:41 -0500 | received badge | ● Popular Question (source) |
2018-06-15 17:25:55 -0500 | received badge | ● Popular Question (source) |
2017-09-05 08:01:03 -0500 | commented question | Minimum air change rate with VRF and DOAS thanks, i will give those a try. do you know if these are minimums? |
2017-09-05 07:41:26 -0500 | commented question | Minimum air change rate with VRF and DOAS anyone have any suggestions on this issue? |
2017-08-30 12:50:23 -0500 | commented question | Maximum Outdoor Dry-Bulb Temperature for Supplemental Heater Operation thank you, i didn't realize you could overwrite the default max in the idf without getting errors, but this seems to hav |
2017-08-30 10:42:23 -0500 | answered a question | Maximum Outdoor Dry-Bulb Temperature for Supplemental Heater Operation thank you, i didn't realize you could overwrite the default max in the idf without getting errors, but this seems to hav |
2017-08-29 14:05:03 -0500 | asked a question | Maximum Outdoor Dry-Bulb Temperature for Supplemental Heater Operation Maximum Outdoor Dry-Bulb Temperature for Supplemental Heater Operation Hello, My project has WSHP DOAS with a reheat coi |
2017-08-29 13:21:19 -0500 | asked a question | Minimum air change rate with VRF and DOAS Minimum air change rate with VRF and DOAS Hello, I have a project with minimum outdoor airflow and minimum supply airflo |
2017-07-11 13:38:30 -0500 | asked a question | OpenStudio Water Source VRF OpenStudio Water Source VRF Does the most recent version of OpenStudion support water source VRF? In the VRF system edi |
2017-07-11 09:49:43 -0500 | asked a question | OpenStudio: Modeling Geothermal + WSHP DOAS + VRF OpenStudio: Modeling Geothermal + WSHP DOAS + VRF Hello, I am trying to model a geothermal closed loop system connected |
2017-07-06 11:53:04 -0500 | answered a question | OpenStudio surface search options grayed out actually, it turns out that when i first click on the surface search icon, the menu that pops up (not full screen) has a |
2017-07-06 10:54:25 -0500 | asked a question | OpenStudio surface search options grayed out OpenStudio surface search options grayed out Hello, In Surface Search, in the OS plug-in, why are all search options exc |
2017-07-06 08:18:24 -0500 | asked a question | removing unused constructions in OpenStudio removing unused constructions in OpenStudio Hello, My model has a lot of unused contructions - it was created by combini |
2017-07-06 08:02:18 -0500 | asked a question | OpenStudio Application runs very slow OpenStudio Application runs very slow Hello, I am using the latest OS version and my model has about 230 zones. I find |
2017-01-06 11:22:13 -0500 | asked a question | Design cooling load for radiant slab Hello, I am modeling an active slab (in EnergyPlus 8.5) and need to determine the peak sensible cooling load. Currently, I am not including any ventilation, just sensible loads. In the output reports (i.e. Component Sizing Summary or "Peak Design Sensible Load" under Zone Component Load Summary), the reported peak loads match. However, when I look at the variables output for the design day condition (day and time) specified as peak in the output reports, the "Zone Radiant HVAC Cooling Rate" does not match. What is the difference between this value and the one reported in the output reports? |
2016-03-16 09:45:33 -0500 | asked a question | OS 1.10 error simulating HW Baseboard Hello, I am getting the following inlet/outlet node errors trying to model HW baseboard. All I have done is dragging and dropping the equipment into the zone equipment area under thermal zones. Is there something else I need to do to connect it on the plant side? Thanks
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2016-03-16 08:08:01 -0500 | asked a question | Deleting zone equipment in OpenStudio Hello, I can't seem to figure out how to delete zone equipment under "Thermal Zones" . I've added baseboard heating but want to remove it. I am using OS v1.10. Thanks Phan |
2015-09-30 10:02:54 -0500 | asked a question | OpenStudio - importing constructions sets from another model? Is it possible to import constructions, construction sets, space types, etc. from another model? Does the "Load Library" feature only work with the default libraries or can I "load in" another project's (model-specific) library? |
2015-09-29 13:25:45 -0500 | received badge | ● Teacher |
2015-09-29 13:17:55 -0500 | answered a question | Sketchup/Open Studio - modeling shading from adjacent buildings Thanks Matt, that worked. In the OS edit object for "OS:ShadingSurfaceGroup", there's a drop down menu for "Shaded Object Name". Must something be selected for the shading calculation to work? I am guessing that for shading from adjacent buildings, rather than just exterior shades like fins, this could just be left blank since there is not a single surface the building(s) will shade? |
2015-09-28 10:23:11 -0500 | asked a question | Sketchup/Open Studio - modeling shading from adjacent buildings Hello, is modeling shading from adjacent buildings as easy as just creating the blocks in Sketchup and Open Studio will register these as building shading? I did a simple test where I created an adjacent building as a block in Sketchup, opened it in Open Studio, and in the "Facility" tab, under "Building Shading", see a "Shading Surface Group 1" object, which wasn't there previously. However, when clicking the actual object, it says "Coming Soon". Will this be captured correctly in EnergyPlus? Thanks Phan |
2014-11-17 07:40:04 -0500 | commented answer | Open Studio 1.5 Radiant Panel Surface Group Error Thanks, and where do I get this InternalSourceConstruction from? There is a category for this in the library but no constructions within it, nor when I search the BCL. |
2014-11-14 09:49:19 -0500 | asked a question | Open Studio 1.5 Radiant Panel Surface Group Error I am getting the following error while trying to model a low temp radiant system: The idf looks like this: and nothing else follows after this, so the surface names and flow fractions are missing (below is cut and pasted from EP input output ref): |
2014-11-14 09:30:52 -0500 | received badge | ● Student (source) |
2014-11-14 08:56:12 -0500 | asked a question | Open Studio 1.5 - Zone has no surfaces Hello, When running my simulation, I get this error: The geometry is a test model, a very simple one room zone created in SketchUp 2014. I projected all loose geometry, did surface matching (though not sure if that is needed for just one space), assigned space attributes including creating a new thermal zone, and ran it with ideal air loads. Everything looked fine in the Open Studio Facilities tab, so I am not sure why the surfaces are not carried over into the idf. I had previously added a low temp radiant panel to the zone, which also resulted in an error saying that the surfaces and corresponding flow fractions were not defined within the ZoneHVAC:LowTemperatureRadiant:SurfaceGroup object. I am not sure if the first error (no surfaces in the model) caused the second (no surfaces available for surfacegroup definition), or if the second error somehow triggered something in the model that deleted all my surfaces from the idf. With the SketchUp app open in the background, I tried to create several more simple one-zone models with ideal air systems (no radiant panel), and kept getting the same no surfaces error. However, when I finally closed out of the SketchUp app, and created a whole new model, opened up OpenStudio and ran it, everything was fine. But when I try the radiant panel again, I get the same second error from before. |