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2019-07-16 10:49:37 -0500 commented question In what cases real empirical experiments can be replaced by computer simulations?

Given your description, I would say the answer is "when not feasible". It is just not feasible to construct and instrume

2019-07-12 06:48:12 -0500 answered a question EnergyPlus Water-to-Water Heat Pump Parameter / Coefficient Generator

They are on the EnergyPlus helpdesk here. If that link doesn't work, go to the knowledgebase. Click on "Downloads", then

2019-07-09 07:20:44 -0500 commented question Cool Tools Type Mismatch Error

You might want to use the VBA debugger and see the values of the variables at that point and at previous points that set

2019-07-09 07:17:32 -0500 commented question How to add a "new output" in E+ (idf editor)

Have you run a simulation on your file yet? If not run a simulation and see if the output variable appears in the your c

2019-07-09 07:16:16 -0500 answered a question How can I divide a fenestration surface into smaller parts?

In EnergyPlus you would create two or more objects (such as Fenestration:Detailed) that each portion has vertex coordina

2019-07-09 06:56:14 -0500 answered a question Any way to control PTAC by AvailabilityManager:HybridVentilation?

The HVACTemplate objects are simplified versions of the detailed objects in EnergyPlus and that while that makes them ea

2019-07-09 06:51:30 -0500 answered a question Absorption Chiller COP EnergyPlus

I have never used those models but I believe that the performance curves themselves are where you put the COP. In the Ch

2019-07-09 06:37:17 -0500 commented question Any way to open idf file without getting Out of memory error?

Please send me a link to your file and I will see if I can figure out the problem in the debugger. jglazer at gard dot

2019-07-03 07:30:55 -0500 answered a question Has anyone created models for adiabatic pre-cooling systems?

If you are using EnergyPlus, there are a number of models that may be used for evaporative pre-cooling.

2019-07-03 07:25:46 -0500 answered a question Modeling boiler fan in EnergyPlus

Yes, a draft fan would be appropriate to model using the "Parasitic Electric Load" field in the Boiler:HotWater object.

2019-06-20 10:58:11 -0500 commented answer Slab-on-grade Floor 90.1 baseline model

For this particular topic "most accurate" is difficult to determine. I think I would probably use the Kiva approach whic

2019-06-20 10:39:16 -0500 commented answer Slab-on-grade Floor 90.1 baseline model

There are multiple ways to get things done. If you are including added insulation in your proposed model compared to the

2019-06-20 09:18:44 -0500 answered a question which program is used to make these drawings?

I would think any vector graphics software program would be capable of creating these drawings. For a comparison of them

2019-06-20 09:15:53 -0500 answered a question Electric equipment inputs

You might want to look through the responses to this question: https://unmethours.com/question/16/what-sources-are-ther

2019-06-20 09:12:59 -0500 answered a question How to run large simulation using the self-compiled Energyplus.exe

As far as the command line usage of EnergyPlus, you can provide files names for the simulation using the command line op

2019-06-20 08:47:05 -0500 answered a question ASHRAE90.1-2016, appendix-G, window U-value

The best approach is to describe the window in detail with built-up layers of materials and a frame so that they match t

2019-06-20 08:36:17 -0500 answered a question Slab-on-grade Floor 90.1 baseline model

Seems like the simplest approach is to use the Construction:FfactorGroundFloor object. It is described in general here.

2019-06-17 08:54:48 -0500 answered a question How to get Total Source Energy from HTML as Output:Meter or Variable?

If you include an EnvironmentalImpactFactors object as well as appropriate FuelFactors objects several new output variab

2019-06-17 08:30:40 -0500 commented question Can't open IDF editor

You might want to try installing an older version of EnergyPlus and keep it installed. Sometimes the installer doesn't r

2019-06-07 08:40:20 -0500 answered a question How to measure heating degree day (HDD) and cooling degree day (CDD) for a building

Normally HDD and CDD are associated with a specific climate rather than to a particular building. ASHRAE 90.1 defines th

2019-06-04 10:44:03 -0500 commented answer How define exterior pavement?

I think with custom blocks.

2019-05-31 12:19:19 -0500 commented question Can't open IDF editor

Is this the first version of energyplus on your computer?

2019-05-28 07:46:44 -0500 answered a question How define exterior pavement?

If you are using the Kiva model, you can try using the fields in Foundation:Kiva:Settings such as Ground Solar Absorptiv

2019-05-24 11:15:49 -0500 edited question Any suggestion why the load results are not reasonable!!!

Any suggestion why the load results is not resealable!!! Hi every one, I have modeled a building in open studio with id

2019-05-22 07:26:38 -0500 commented question Is it possible to change the output variables results order in CSV?

I agree with @shorowit. Maybe this question should be closed as a duplicate.

2019-05-21 07:04:43 -0500 answered a question EP-Launch - Slab Open_Slab.GTP

You might want to look at the example file 5ZoneAirCooledWithSlab.idf which integrates Slab as part of the preprocessors

2019-05-20 07:33:23 -0500 commented question How to use HVACTemplate:Plant:Chiller:ObjectReference?

I think that should work. Could you send me the file you are having a problem with? jglazer at gard dot com

2019-05-20 07:23:59 -0500 commented question I have a small zone with 2 windows EnergyPlus. I`ve added 2 reference points to calculate daylighting. When I simulate I am getting errors for missing required property `daylighting_reference_point_name` for control_data 2, 3 to 9. How do I solve this?

can you send me your file? jglazer at gard dot com

2019-05-20 07:09:41 -0500 answered a question extract the illuminance map with DElight as the daylighting method

Unfortunately, the Output:IlluminanceMap is available only when SplitFlux daylighting method is selected in Daylighting:

2019-05-15 07:15:27 -0500 commented answer Does DaylightingDevice:Shelf causing unenclosed zone output inaccurate results?

@mldichter I'm not sure. I presume it should work but I've have implemented some measures with inner light shelves and d

2019-04-22 13:32:21 -0500 commented answer Energy Plus EPPY Scripting - Design Day Problem

The solution @santoshphilip gave is great. That is probably the best way to go.

2019-04-22 12:29:40 -0500 answered a question Energy Plus EPPY Scripting - Design Day Problem

I think the eppy solution would be a script that populates the SizingPeriod:DesignDay objects based on the data from the

2019-04-03 08:25:42 -0500 commented question Using meter:custom to aggregate output variable data

Are those variables shown as available in the RDD or MDD file?

2019-04-03 07:55:34 -0500 commented answer IDFVersionUpdater using commandline

Make sure the LST file contains the full path and file name with the extension for each file that needs updating.

2019-04-03 07:46:37 -0500 edited question EMS Sensor Output Variable invalid name

EMS Sensor Output Variable invalid name I am trying to model a switchable glazing that is responsive to external environ

2019-03-27 11:02:39 -0500 edited question How to add layer using command line measures?

How to add layer using command line measures? Hello, I want to add a material layer to an existing construction using th

2019-03-18 07:15:15 -0500 answered a question How does EnergyPlus decide the orientation of the building based on the coordinates

The input that you provide to EnergyPlus fully describes the position and orientation of each surface. The coordinates o

2019-03-18 07:08:22 -0500 edited question How does EnergyPlus decide the orientation of the building based on the coordinates

How does Energy plus decides orientation of the building based on the coordintaes In the EP IDF editor after putting coo

2019-03-18 07:00:48 -0500 commented answer Solar Cooling with concentrated solar power (CSP)

I think it gets that information automatically.

2019-03-18 06:58:09 -0500 answered a question Access eQuest macro processor via command line?

Yes, download DOE-2.2 or DOE-2.3 from http://doe2.com/DOE2/index.html and follow the installation and execution instruct

2019-03-14 07:42:37 -0500 edited answer Solar Cooling with concentrated solar power (CSP)

EnergyPlus does not have a model for a concentrated solar power collecter like a parabolic trough. You might be able to

2019-03-14 07:41:32 -0500 answered a question Solar Cooling with concentrated solar power (CSP)

EnergyPlus does not have a model for a concentrated solar power collecter like a parabolic trough. You might be able to

2019-03-14 07:27:00 -0500 answered a question How is fraction latent, radiant, lost and convective decided for the heat gain from equipment? And why is the cooling energy higher when convective gain is 1, as compared to when the radiant gain is 1?

One reason might be that some of the radiant gains are being lost from the building. Since radiant gains are distributed

2019-03-04 13:18:58 -0500 commented question New date formatting in "RUNPERIOD" section of idf file? fileupdate does not deal with this

What did you use to update the file?

2019-03-04 13:18:18 -0500 received badge  Associate Editor (source)
2019-03-04 13:18:18 -0500 edited question New date formatting in "RUNPERIOD" section of idf file? fileupdate does not deal with this

New date formatting in "RUNPERIOD" section of idf file? fileupdate does not deal with this I have a v8.7 idf file the RU

2019-03-01 08:32:19 -0500 commented answer Are there more recent sources of building occupancy/load schedules based on measured, empirical data from real buildings?

The report and appendices are available as a free download for members on the ASHRAE technology portal or for sale at th

2019-03-01 08:18:03 -0500 edited answer What is the 90.1-2013 Appendix C "envelope performance factor"?

I believe, the envelope performance factor is the annual cost for the whole building based on the model described in App

2019-03-01 08:14:05 -0500 answered a question What is the 90.1-2013 Appendix C "envelope performance factor"?

I believe, the envelope performance factor is the annual cost for the whole building based on the model described in App

2019-03-01 06:45:51 -0500 commented answer Are there more recent sources of building occupancy/load schedules based on measured, empirical data from real buildings?

Try this link.