<font color="#336666"><font face="verdana,sans-serif">Agreed!</font></font><div><font color="#336666"><font face="verdana,sans-serif"><br></font></font></div><div><font color="#336666"><font face="verdana,sans-serif"><br clear="all">
</font></font><div style="text-align:left"><font face="verdana, sans-serif" color="#999999"><i>Jeremiah D. Crossett</i></font></div><div style="text-align:left"><font face="verdana, sans-serif" color="#999999"><i>CleanTech Analytics</i></font></div>
<div style="text-align:left"><font face="verdana, sans-serif" color="#999999"><i>503-688-8951</i></font></div><div><div style="text-align:left"><a href="http://www.cleantechanalytics.com" target="_blank"><font face="verdana, sans-serif" color="#999999"><i>www.cleantechanalytics.com</i></font></a></div>
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<br><br><div class="gmail_quote">On Mon, Apr 16, 2012 at 7:02 AM, Varkie C Thomas <span dir="ltr"><<a href="mailto:thomasv@iit.edu">thomasv@iit.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
My views on DOE2.1E:<br>
<br>
I would support the development of an open source DOE2.1E so that it can be used for academic thesis research. See <a href="http://www.whiteboxtechnologies.com/" target="_blank">http://www.whiteboxtechnologies.com/</a> Click here for the Open Letter to Lawrence Berkeley National Lab (LBNL) on Open Source DOE-2.1E.)<br>
<br>
DOE2.1E is particularly suited for academic thesis research for the following reasons:<br>
<br>
1. It is a mature computer program that has been in extensive use for nearly 30 years. In fact, its latest proprietary version (DOE-2.2/eQUEST) is clearly the most widely used building energy simulation program in the US, if not the entire world.<br>
2. Compared to other simulation programs, DOE-2 runs very quickly.<br>
3. Since DOE-2.1E has been in effect abandoned by DOE and LBNL, its code can be made open source, and be freely available to students and researchers<br>
4. DOE-2.1E contains a User Function option that allows users to develop additional modules or tweak existing calculations without having to change and recompile the existing source code. User Functions are ideal for student applications. Those that are promising can then later be incorporated into the source code itself.<br>
<br>
Here are suggestions of how to fix DOE-2.1E so that it can be used for academic thesis research<br>
<br>
1. Provide better documentation and examples of building models and User Functions.<br>
2. Develop teaching materials on how to use the DOE-2 program, including how to extract hourly data, use macros to manage sensitivity analyses, and available open-source user interfaces.<br>
3. Freeze the existing code since it is error-free and make it possible for research students to add/attach independent sub programs to expand the features of DOE-2.1E. The independent (or dependent) sub-programs that can be interfaced with DOE-2.1E should include PV-modules, GSHP, UFAD, DOAS, Radiant-ceilings and other features not included in DOE-2.1E. There could be multiple versions of each sub-program by different authors.<br>
4. A DOE-2.1E committee should establish common output reports for them.<br>
<br>
You can expect advanced program development using an open source DOE2.1E as the base launching pad from enterprising architects, engineers, academics in the areas renewable energy and also in testing new concepts.<br>
<br>
The analogy is countries like socialist India and communist Russia & China opening up development to individual free enterprise. All the economies are now booming after 15 years. Their economies stagnated during the previous 50 years of the government doing everything.<br>
<br>
Trane & Carrier have their own energy programs (TRACE and HAP) based on their equipment and systems. Other manufacturers can now create energy programs starting with the open source DOE2.1E and base it on their own equipment. These would be program developers that are involved with real buildings from design through construction and operation and understand the business.<br>
<br>
Equipment consumes energy in buildings, not the envelope or people. Manufacturers would therefore have vested interest in making sure that their energy programs produced results that are close to the building in operation.<br>
<br>
<br>
<br>
<br>
<br>
----- Original Message -----<br>
From: Joe Huang <<a href="mailto:YJHuang@whiteboxtechnologies.com">YJHuang@whiteboxtechnologies.com</a>><br>
Date: Sunday, April 15, 2012 2:15 pm<br>
Subject: Re: [Equest-users] Urgent request<br>
<br>
> Sharma,<br>
><br>
> eQUEST is a program developed in the US, so its compliance rule<br>
> set<br>
> might not work for locations outside of the US.<br>
> Or the rule set might be failing because it doesn't know the<br>
> ASHRAE<br>
> climate region for your location (Mumbai).<br>
etc<br>
> This is not a marketing pitch, but in DOE-2.1E (an earlier version<br>
> of<br>
> the DOE-2.2 engine in eQUEST) that I still use, there<br>
> is a feature called "Functions" that would allow users to insert<br>
> additional code in pseudo-Fortran to model processes<br>
> not covered by the program. If you're interested, we can discuss<br>
> more<br>
> offline. Again, this is not a marketing pitch.<br>
><br>
> Joe<br>
><br>
> Joe Huang<br>
> White Box Technologies, Inc.<br>
> 346 Rheem Blvd., Suite 108D<br>
> Moraga CA 94556<br>
> <a href="mailto:yjhuang@whiteboxtechnologies.com">yjhuang@whiteboxtechnologies.com</a><br>
> <a href="http://www.whiteboxtechnologies.com" target="_blank">www.whiteboxtechnologies.com</a><br>
> (o) <a href="tel:%28925%29388-0265" value="+19253880265">(925)388-0265</a><br>
> (c) <a href="tel:%28510%29928-2683" value="+15109282683">(510)928-2683</a><br>
> "building energy simulations at your fingertips"<br>
><br>
><br>
> On 4/15/2012 12:44 AM, sharma charu wrote:<br>
> > Dear Sir,<br>
> > I started working on E-quest for my thesis model in an attempt<br>
> to<br>
> > simulate the effects of a green roof with different soil<br>
> thickness and<br>
> > vegetation for Mumbai region (India) for my thesis. And I have a<br>
> few<br>
> > queries regarding it:<br>
> ><br>
> > 1. I wish to create a very simple 4 storied rectangular model<br>
> building<br>
> > as a comparative model (file has been attached- MODULE1) but on<br>
> > running the perform compliance analysis, it gives an error<br>
> > '' Table look-up failed: A901-07_Envelope(1, 4) evaluating<br>
> rule: Look<br>
> > up and default C-FACTOR for slabs.'' Also, when i go on Project<br>
> and<br>
> > site> site data properties, it doesn't accept the latitude and<br>
> > longitude and gives the same as an error.<br>
> > Also please guide me the action report from where I can get the<br>
> Annual<br>
> > energy consumption( Since there is no electric utility and gas<br>
> utility<br>
> > file rates available here, can we get it in terms of unit, which<br>
> can<br>
> > be multiplied with the rate and rate analysis can be found);<br>
> space<br>
> > load component( total building load); peak load component(total<br>
> > building load); sensible cooling load & roof thermal transfer<br>
> value<br>
> > (RTTV )<br>
> ><br>
> > 2. Secondly, please guide me on how can one add up layers to<br>
> just the<br>
> > top of this building of varying soil thickness and green cover (<br>
> I<br>
> > have the data on their R-values and thickness) and simulate the<br>
> same<br>
> > without having errors.<br>
> ><br>
> > 3. Is there a way by which the outside ambient temperature of<br>
> the<br>
> > building with green roof ( & its micro-climatic features) can be<br>
> > found?I basically need the temperature variation in the top 3<br>
> meters<br>
> > of the building.<br>
> ><br>
> > It will be really helpful for me if you could take out some time<br>
> from<br>
> > your busy schedule and guide me for the above mentioned queries.<br>
> ><br>
> > Waiting for your reply in anticipation,<br>
> > Thanking you<br>
> > Regards,<br>
> > Charu Sharma<br>
> > X Semester, B.Arch<br>
> > National Institute of Technology<br>
> > India<br>
> ><br>
> ><br>
> ><br>
> > _______________________________________________<br>
> > Equest-users mailing list<br>
> > <a href="http://lists.onebuilding.org/listinfo.cgi/equest-users-" target="_blank">http://lists.onebuilding.org/listinfo.cgi/equest-users-</a><br>
> <a href="http://onebuilding.org" target="_blank">onebuilding.org</a>> To unsubscribe from this mailing list send a<br>
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