[Bldg-sim] Fwd: Re: RE: Voodoo Engineering

Chris Yates chris at zed-uk.com
Wed May 19 23:55:02 PDT 2010


Varkie

Vast subject. Kudos for condensing it whilst conveying all the  
necessary meaning.

We are now at a point where Energy Modellers are at the very least  
specialist engineers. In fact, you could say the best are indeed  
"wizards"!

Chris

Sent from my iPhone

On 19 May 2010, at 21:35, Varkie C Thomas <thomasv at iit.edu> wrote:

> Since my response has ended up on Bldg-Sim, I might as well include  
> the attachment with the response which gave my views
> <Building-Energy-Programs-VCT.doc>
> I am including the attachment that I included with my earlier  
> response to John Eurek. Using energy programs is like voodoo  
> engineering if you don't understand its engineering basis.  It  
> analyzes the various options quantitatively.  It cannot be used as a  
> magic black box.  Experience and judgement have to applied to the  
> results.
>
> ----- Original Message -----
> From: Eric O'Neill <elo at MichaelsEngineering.com>
> Date: Wednesday, May 19, 2010 12:03 pm
> Subject: RE: Voodoo Engineering
>
>> John,
>>
>> The purpose of energy modeling is to identify differences between two
>> energy related setups. The idea is to tell you how much you could
>> conceivably save by switching from one design to another. This is
>> usefulfor a payback analysis or life cycle cost analysis.
>>
>> Hope this helps, (I'm really not trying to be inflammatory :) )
>>
>> Eric
>>
>> -----Original Message-----
>> From: Eurek, John S NWO [mailto:John.S.Eurek at usace.army.mil]
>> Sent: Wednesday, May 19, 2010 11:19 AM
>> To: Varkie C Thomas
>> Cc: Eric O'Neill; cmg750 at gmail.com
>> Subject: RE: Voodoo Engineering
>>
>> Varkie, I read your attached paper.
>>
>> "Energy programs are external to the design process. The results
>> are not
>> used
>> to generate construction drawings."  This may be my #1 beef with
>> energymodeling.  What is the purpose?
>>
>> If you say, to save energy...  It does not.
>>
>>
>> John Eurek
>> LEEP AP
>>
>>
>> -----Original Message-----
>> From: Varkie C Thomas [mailto:thomasv at iit.edu]
>> Sent: Wednesday, May 19, 2010 10:08 AM
>> To: Eurek, John S NWO
>> Subject: Voodoo Engineering
>>
>> Academia institutions and research centers tend to attach
>> disproportionate
>> amount of importance to energy modeling.  Most them have not dealt
>> withreal
>> buildings.  Attached are my views on energy modeling.
>>
>> ----- Original Message -----
>> From: "Eurek, John S NWO" <John.S.Eurek at usace.army.mil>
>> Date: Wednesday, May 19, 2010 8:14 am
>> Subject: Re: [Equest-users] Compliance rule set for Oregon
>>
>>>
>>> I would prefer Lynn work to ban/destroy/do-away-with energy
>> modeling.>
>>> Any chance this voo-doo engineering will go away any time soon?
>>> It is only
>>> statistical analysis with no meaningful/useful results for anyone.
>>>
>>> As a community I think we are going in the wrong direction for
>> the
>>> rightgoals.
>>>
>>> -----Original Message-----
>>> From: equest-users-bounces at lists.onebuilding.org
>>> [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of
>> Carol
>>> Gardner
>>> Sent: Wednesday, May 19, 2010 12:30 AM
>>> To: Scott Criswell
>>> Cc: equest-users at lists.onebuilding.org; curt.strobehn at eesinet.com
>>> Subject: Re: [Equest-users] Compliance rule set for Oregon
>>>
>>> All,
>>>
>>> Lynn Bellenger will soon be the first female president of
>>> ASHRAE..
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