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Re: [EnergyPlus_Support] HVAC templates and autosizing




Hello David

 

As a mechanical engineer with fair amount of knowledge of HVAC systems, it is not very tough to understand the templates or the system.  If a person patiently reads the documentation he can pick it up very quick. 

 

I recently worked with a group of Architecture Grads working for the State of Illinois to simulate buildings, i worked with them and taught them how to use Energy Plus to simulate buildings etc, it took them a week to get going with the software and start cranking out simulation results. 

 

I know a group of engineers working on developing an interface called ?Hourly Load Calculation Program?, which would be using Energy Plus as the Simulation Engine; their first release is due sometime in October i guess.  If you wish to contact them kindly let me know.

 

Thanks

Rahul Chillar

Graduate Research Assistant

Building Systems Laboratory
University of Illinois U C

mkenergycentre <mkenergycentre@xxxxxxxxxxx> wrote:Dear All,

Some more questions, but this time about HVAC simulation. Before I 
begin I think I should explain the reason for these questions. The UK 
government is considering using EnergyPlus as the basis of a tool 
that will form part of our Building Regulations, specifically to 
enable energy labelling of buildings to comply with a new European 
directive which will be introduced in January 2006. I (and many 
others) are being asked to comment on the practicality of this 
approach and, as well as the questions below, I'd be interested in 
any other views that current users may have on this proposal. Bear in 
mind that the tool is expected to be used by any qualified engineer 
(not specialists) and should return the same energy 'rating' for a 
building regardless of the user's knowledge.

1) I've read in a number of places that putting a system together by 
hand in EnergyPlus can be difficult and time-consuming, but that 
templates are much better. Is there a list of the currently available 
templates? And which have autosizing incorporated?

2) How difficult is it to create a new template? For example, how 
long did it take to create the 'Single Duct VAV w/ Reheat' template?

3) What skills are required to create a new template? If someone was 
already a skilled software developer how long might it take to aquire 
the EnergyPlus knowledge to be able to do this?

4) Finally, not an HVAC question, are there any users with experience 
of creating an interface to EnergyPlus who can comment on any 
possible pitfalls? I believe a major part of the work the UK 
government is considering will be interface development so any 
comments based on practical experiences would be appreciated.

Many thanks
David.




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Thanks 
Rahul Chillar 
Grad Student 
Building Systems lab
Univ Of Illinois Urbana Champaign

		
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The primary EnergyPlus web site is found at:
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The group web site is:
http://groups.yahoo.com/group/EnergyPlus_Support/

Attachments are not allowed -- please post any files to the appropriate folder in the Files area of the Support Web Site.
 
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