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Re: [EnergyPlus_Support] Energy Plus for urban energy plannig



Possibly I am incorrect, but I recently used a SRI calc to create high SRI materials that should reduce heat island effect, such as the one pasted below;

Name Cool-Roof_SRI-81
Roughness Smooth
Thermal Resistance 0.001
Thermal Absorptance 0.3
Solar Absorptance 0.3
Visible Absorptance 0.3

Then you could also do conceptual massing model green roofs, solar PV, shading from other buildings and much more, 

I think E+ could be great for this so long as the modeler minimized the details of the models to high level parameters. Autodesk ecotech or vassarri may do a good job at this "conceptual massing" by making simplified models, so you might want to use a similar approach.



Jeremiah D. Crossett  | Senior Analyst  |  Phase Change Energy Solutions
120 E. Pritchard St.  | Asheboro, NC 27203  | Mobile 503-688-8951
www.phasechange.com 
  






On Tue, Oct 16, 2012 at 11:45 PM, oscar hernandez <oscarhernandez_81@xxxxxxxxxxx> wrote:
 

Hello Alessandro,

Very good question. I've been thinking on. I don"t know maybe the answer its "to try". There are many parameters that e+ doesn't take in count (heat island, wind corridors,etc) but maybe to study the solar influence from others buildings, e+ could be a solution. I don"t know what do you want to do?

Oscar.

To: EnergyPlus_Support@xxxxxxxxxxxxxxx
From: alexmac_00@xxxxxxxx
Date: Tue, 16 Oct 2012 13:06:06 +0000
Subject: [EnergyPlus_Support] Energy Plus for urban energy plannig


 
Hello,
do you think Energy Plus could work for energy planning of a whole neighborhood? Would it be only a matter of computing power or there are other issues? Cheers,

Alessandro





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