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  Topic: Evaporative Cooling
parag.karanjkar

Replies: 5
Views: 44897

PostForum: EnergyPlus Simulation   Posted: Wed Nov 16, 2011 3:22 am   Subject: Evaporative Cooling
That is Excellent news Andy,
Thanks a lot.

@ Prashant - I can be reached at parag.karanjkar@gmail.com.

If you are interested you can contact me there and I will discuss with you what I did a ...
  Topic: De-Humidifiers
parag.karanjkar

Replies: 0
Views: 877

PostForum: EnergyPlus Simulation   Posted: Tue Nov 08, 2011 3:20 am   Subject: De-Humidifiers
Hello,

I have implemented de-humidifiers in a model for a design case. They are of the rehat coil type. In the base case, I remove the de-humidifiers and the rest of the HVAC system is exactly the ...
  Topic: green roof
parag.karanjkar

Replies: 1
Views: 934

PostForum: EnergyPlus Simulation   Posted: Sat Oct 08, 2011 6:31 am   Subject: green roof
Hello,

The thickness values that you enter in the construction tab work with the properties like specific heat, density that you enter in the material data. This probably helps with the heat balan ...
  Topic: hide zone?
parag.karanjkar

Replies: 1
Views: 780

PostForum: EnergyPlus Simulation   Posted: Sat Oct 08, 2011 6:09 am   Subject: hide zone?
Hi,

You can include / exclude a particular zone from simulation through the activity tab. However, it is not possible to create layers for visualization.

Since DB uses 3-D OpenGl based grpahics ...
  Topic: save Results
parag.karanjkar

Replies: 2
Views: 798

PostForum: EnergyPlus Simulation   Posted: Sat Oct 08, 2011 6:03 am   Subject: save Results
Do you save the file before you close it.
It generally does save results along with the file.
  Topic: Air Cooled Chiller Systems
parag.karanjkar

Replies: 2
Views: 1585

PostForum: EnergyPlus Simulation   Posted: Fri Sep 02, 2011 3:46 am   Subject: Air Cooled Chiller Systems
Thanks a lot Steve ! :)
  Topic: Air Cooled Chiller Systems
parag.karanjkar

Replies: 2
Views: 1585

PostForum: EnergyPlus Simulation   Posted: Wed Aug 24, 2011 2:35 pm   Subject: Air Cooled Chiller Systems
Hello,

I am trying out the new detailed HVAC in V3. I must say the breaking down of every system into supply side and demand side is brilliant. Makes it very easy to understand and design.

I w ...
  Topic: Search for surfaces, windows etc. causing errors?
parag.karanjkar

Replies: 1
Views: 1236

PostForum: EnergyPlus Simulation   Posted: Sat Aug 20, 2011 1:40 am   Subject: Search for surfaces, windows etc. causing errors?
Hey,

There is a way. Once you get the errors - Go back to the 'Edit' tab from the 'Simulation' tab.
Then on the header above, select the rightmost tab - 'Options'. Under Simulation Options, you w ...
  Topic: AHU and Zone Setpoint Schedule
parag.karanjkar

Replies: 1
Views: 23254

PostForum: EnergyPlus Simulation   Posted: Tue Aug 16, 2011 4:58 pm   Subject: AHU and Zone Setpoint Schedule
Hello,

For any system to work, DesignBuilder will have to satisfy ALL THE CONDITIONS set on the system.
For example, take the case of cooling.

1) Internal Air temperature has to be greater t ...
  Topic: Weather data file!!!
parag.karanjkar

Replies: 6
Views: 25070

PostForum: EnergyPlus Simulation   Posted: Tue Aug 16, 2011 4:46 pm   Subject: Weather data file!!!
Hi,

Could you please check the weather file that you have uploaded.
To do so - go to the Location tab and check Site Weather Data.. Check the longitude and latitude information that has been set ...
  Topic: Evaporative Cooling
parag.karanjkar

Replies: 5
Views: 44897

PostForum: EnergyPlus Simulation   Posted: Tue Aug 02, 2011 8:45 am   Subject: Evaporative Cooling
Hi,
I am attempting to model an evaporative cooling system. I can approximate it (not so accurate but good for judgment) using Simple HVAC.

I also have to model mixed mode system along with it. DB ...
  Topic: Approximating Evaporative Cooling System in DB
parag.karanjkar

Replies: 1
Views: 721

PostForum: EnergyPlus Simulation   Posted: Mon Jun 27, 2011 7:10 pm   Subject: Approximating Evaporative Cooling System in DB
Just to add,

I am currently assuming 20 degrees as the supply temperature since it is the WBT of the site on the design day.
At 20 degrees C, the saturation humidity ratio is 0.014. So for the s ...
  Topic: Approximating Evaporative Cooling System in DB
parag.karanjkar

Replies: 1
Views: 721

PostForum: EnergyPlus Simulation   Posted: Mon Jun 27, 2011 7:06 pm   Subject: Approximating Evaporative Cooling System in DB
Hello,

I am attempting to model an evaporative cooling system in DesignBuilder.
The geometry in concern is a simple one zone area of about 1500 sq ft. / 150 sq. m.

Now, I computed the ACH det ...
  Topic: simulating ground and cooling load
parag.karanjkar

Replies: 2
Views: 966

PostForum: EnergyPlus Simulation   Posted: Wed Jun 22, 2011 5:47 pm   Subject: simulating ground and cooling load
Hello,

You could request / switch ON the "surface heat transfer" output. By doing this, you will get an output of heat gains through every surface independently.

Study the heat-balance graph t ...
  Topic: problem with block components to make shutters
parag.karanjkar

Replies: 9
Views: 10824

PostForum: EnergyPlus Simulation   Posted: Wed Nov 24, 2010 12:48 pm   Subject: problem with block components to make shutters
Hello,

I think the solar gains are because of the gap that is present between the shading blocks and the window surface.

If you observe the hourly maps, the solar gains and the heat gains thro ...
 
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