[Bldg-sim] Building Energy Modeling Guidelines

[Santiago Velez]

Interesting comments,
Any reviews on the recently released IBPSA's first book : "Building
Performance Simulation for Design and Operation Edited by Jan L.M.
Hensen, Roberto Lamberts" ?

Thanks,

Santiago.
*
*
2012/3/5 Contoyannis, Dimitrios AEC <DContoyannis at archenergy.com>

>  The COMNET Modeling Guidelines & Procedures provides a detailed modeling
> spec that can be applied to programs like LEED (90.1 Appendix G), IRS 179D
> tax deduction, and Design to Earn EnergyStar.****
>
> http://www.comnet.org/mgp-manual****
>
> ** **
>
> ** **
>
> *From:* CleanTech Analytics [mailto:jeremiah at cleantechanalytics.com]
> *Sent:* Sunday, March 04, 2012 9:18 PM
> *To:* Pavel Dybskiy
>
> *Cc:* bldg-sim at lists.onebuilding.org
> *Subject:* Re: [Bldg-sim] Building Energy Modeling Guidelines****
>
> ** **
>
> Gentelmen, ****
>
> As a self educated Modeler, who takes the task very seriously I might add,
> I encourage you to read the publication by the rocky mountain institute on
> what they call "Black Belt Energy Modeling".. And see how you feel you rank
> in the system. (I would say I am a purple belt) ****
>
> ** **
>
> Check this link
> http://www.rmi.org/Content/Files/Black%20Belt%20Modeling%20Matrix%20RMI%2008-27-10.pdf
> ****
>
> ** **
>
> Or see attachment for the full pdf,****
>
> ** **
>
> Black Belt Energy Modeling1****
>
> The concept of black belt energy modeling arose from a need to set forth**
> **
>
> expectations, training materials, and professional development paths for
> learning****
>
> this specialized skill. While contributions can be made at many levels,
> becoming a****
>
> master requires a depth and breadth of knowledge pertaining to engineering,
> ****
>
> building science and energy simulation tools. The Black Belt Energy
> Modeling****
>
> Matrix presented below outlines a spectrum of modeling capabilities – from
> trainee****
>
> to master – along with the associated skills and background knowledge to
> support****
>
> success.****
>
> The framework and content of the matrix are based on providing integrated
> design****
>
> assistance as typically delivered to the private sector. Thus the outline
> may not align****
>
> well to other applications. It does not reflect the benefits of a
> streamlined BIM****
>
> process or software that automatically generates a minimally code‐
> compliant****
>
> building model.****
>
> 1 Concept developed by Ellen Franconi, PhD, of the Rocky Mountain
> Institute. These materials are****
>
> copyrighted through a Creative Commons License, which allows use and
> distribution as long as credit is****
>
> given to the original author.****
>
> Black Belt Energy Modeling Matrix****
>
> Belt Capabilities Examples Background****
>
> Knowledge2****
>
> Trainee****
>
> White · Collect modeling****
>
> input data****
>
> · Gather information****
>
> needed for****
>
> characterizing the****
>
> building from****
>
> construction****
>
> documents,****
>
> narratives, survey****
>
> data, etc.****
>
> · Basic engineering****
>
> methods, units,****
>
> conversions****
>
> · Reading construction****
>
> drawings****
>
> · Familiarity with****
>
> construction materials,****
>
> methods, and****
>
> mechanical systems****
>
> · Familiarity with space****
>
> requirements as****
>
> outlined in Standards****
>
> (supply flow rates,****
>
> outdoor air, lumen****
>
> levels)****
>
> Yellow · Perform input data****
>
> calculations****
>
> · Convert data collected****
>
> from various sources****
>
> to a form used by the****
>
> simulation program****
>
> (fan power****
>
> calculations, EER to****
>
> EIR calculations,****
>
> window COG U‐value****
>
> to overall U‐value,****
>
> etc.)****
>
> · Spreadsheets****
>
> · Building load****
>
> calculation procedures****
>
> · Mechanical system****
>
> basics****
>
> Orange · Develop building****
>
> geometry and zoning****
>
> · Import AutoCAD files****
>
> and manipulate as****
>
> needed to incorporate****
>
> into modeling****
>
> software****
>
> · Develop zoning based****
>
> on thermal block****
>
> concepts****
>
> · Finalize zoning after****
>
> master modeler****
>
> review****
>
> · Computer drawing****
>
> programs as applicable****
>
> · Basic heat transfer****
>
> · Basic thermodynamics****
>
> · Basic mechanical****
>
> system design****
>
> concepts****
>
> 2 Background knowledge for a belt includes that for lower-level belts****
>
> Belt Capabilities Examples Background****
>
> Knowledge2****
>
> Technician****
>
> Green · Create building input****
>
> file using software****
>
> wizard****
>
> · Use modeling****
>
> software graphical****
>
> user interface and****
>
> complete basic****
>
> building model based****
>
> on proposed design,****
>
> project input data and****
>
> software default****
>
> values****
>
> · Building science****
>
> (envelope, lighting,****
>
> electrical, mechanical,****
>
> renewable building****
>
> systems)****
>
> Blue · Build minimally‐code****
>
> compliant building****
>
> model****
>
> · Modify proposed****
>
> design model to****
>
> characterize****
>
> minimally‐compliant****
>
> building in adherence****
>
> to the referenced****
>
> method****
>
> · Reference Standards****
>
> (ASHRAE 90.1 ‐****
>
> Performance Rating****
>
> Method, ASHRAE 62.1,****
>
> COMNET)****
>
> Core Analyst****
>
> Purple · Perform parametric****
>
> analysis for straight****
>
> forward design****
>
> alternates****
>
> · Review predicted****
>
> energy use by end****
>
> use and costs for****
>
> reasonableness****
>
> · Complete utility and****
>
> end‐use level****
>
> calibration of existing****
>
> building models****
>
> · Outline energy****
>
> conservation****
>
> measures applicable****
>
> to the project****
>
> · Characterize the****
>
> measures for****
>
> modeling****
>
> · Use modeling****
>
> software parametric****
>
> capabilities****
>
> · For an existing****
>
> building, reconcile****
>
> actual with predicted****
>
> utility resource use****
>
> through repeated****
>
> comparison and gross****
>
> model adjustment****
>
> · Actual building energy****
>
> consumption by end****
>
> use for different types****
>
> of buildings and****
>
> systems****
>
> · Energy efficiency****
>
> measures and their****
>
> performance****
>
> characterization****
>
> · Modeling software****
>
> commands and****
>
> keywords****
>
> · Utility rate structures****
>
> Belt Capabilities Examples Background****
>
> Knowledge2****
>
> Brown · Perform modeling of****
>
> complex features,****
>
> systems or****
>
> components not****
>
> readily characterized****
>
> in the software****
>
> · Complete detailed****
>
> quality assurance****
>
> review****
>
> · Complete system****
>
> level calibration of****
>
> existing building****
>
> models****
>
> · Make the most of****
>
> existing software****
>
> capabilities to model****
>
> UFAD, chilled beams,****
>
> make‐up air units, slab****
>
> losses, etc.****
>
> · Use detailed output****
>
> reports and postprocessing****
>
> tools to****
>
> perform a reality****
>
> check on component****
>
> and system‐level****
>
> results/metrics.****
>
> · Advanced heat transfer****
>
> · Advanced****
>
> thermodynamics****
>
> · Advanced building****
>
> science****
>
> · IPMVP/EVO concepts****
>
> including balancing risk****
>
> with value****
>
> Master****
>
> Red · Understand the****
>
> engineering****
>
> algorithms used by****
>
> the software and****
>
> modify modeling****
>
> input/methods to****
>
> improve input****
>
> characterizations****
>
> · Use supplemental****
>
> detailed analysis to****
>
> support simulation****
>
> software workarounds****
>
> or short cuts.****
>
> · Use supplemental CFD****
>
> modeling results to****
>
> characterize impact of****
>
> natural ventilation****
>
> strategy. Build an****
>
> hourly infiltration****
>
> schedule to mimic CFD****
>
> results and****
>
> incorporate into****
>
> whole‐building model.****
>
> · Deep knowledge of****
>
> modeling software****
>
> · Experience applying****
>
> heat transfer and****
>
> thermodynamic****
>
> algorithms related to****
>
> building science****
>
> Black · Balance modeling****
>
> level of detail against****
>
> accuracy of results****
>
> needed to support****
>
> decision making****
>
> · Provide qualitative****
>
> assessments of design****
>
> options and conduct****
>
> limited modeling as****
>
> needed****
>
> · Vast project modeling****
>
> experience****
>
> · Understanding of****
>
> application challenges****
>
> and actual achieved****
>
> performance****
>
> Black Belt Energy Modeling Matrix for PowerPoint Presentations****
>
> Belt Capabilities****
>
> Trainee****
>
> White · Collect modeling input data****
>
> Yellow · Perform input data calculations****
>
> Orange · Develop building geometry and zoning****
>
> Technician****
>
> Green · Create building input file using software wizard****
>
> Blue · Build minimally‐code compliant building model****
>
> Core****
>
> Analyst****
>
> Purple · Review results for reasonableness****
>
> · Complete calibrations****
>
> Brown · Perform complex modeling****
>
> · Complete detailed QC****
>
> · Complete system level calibration****
>
> Master****
>
> Red · Understand the algorithms****
>
> · Use supplemental analysis****
>
> Black · Balance modeling level of detail against accuracy of****
>
> results needed to support decision making****
>
> ** **
>
> On Sun, Mar 4, 2012 at 5:40 PM, Pavel Dybskiy <pdybskiy at gmail.com> wrote:*
> ***
>
> Good analogy in case ... if the modeler's job is to run a model developed
> by an expert, and only change weather files and sometimes windows' size and
> temperature set point :)     ****
>
>  Pavel ****
>
> ** **
>
> On Sun, Mar 4, 2012 at 7:14 PM, Hussein Abaza <ahussein at spsu.edu> wrote:**
> **
>
> I think modeling is one thing, and understanding the causes and results
> when modeling is something else. It is like the X-ray technician and the
> doctor who look at the X-ray image to interpret it.  Yes, we need
> professional modeler, but we also need building technology experts who can
> derive meaningful information from the energy model to evaluate
> and improve the design. Otherwise, it will be shooting in the dark. ****
>
>
> ----- Original Message -----
> From: "Jeff Haberl" <jhaberl at tamu.edu>
> To: "Pavel Dybskiy" <pdybskiy at ryerson.ca>
> Cc: bldg-sim at lists.onebuilding.org
> Sent: Sunday, March 4, 2012 6:05:50 PM GMT -05:00 US/Canada Eastern
> Subject: Re: [Bldg-sim] Building Energy Modeling Guidelines****
>
> O.K.****
>
>  ****
>
> Here goes...****
>
>  ****
>
> Jeff****
>
>  ****
>   ------------------------------
>
> *From:* pdybskiy at gmail.com [pdybskiy at gmail.com] on behalf of Pavel
> Dybskiy [pdybskiy at ryerson.ca]
> *Sent:* Sunday, March 04, 2012 3:48 PM
> *To:* Jeff Haberl
> *Cc:* Paul Carey; 韩星; Ellen Franconi; bldg-sim at lists.onebuilding.org
> *Subject:* Re: [Bldg-sim] Building Energy Modeling Guidelines****
>
> Jeff, ****
>
> ** **
>
> 1) Is it correct to say that any problem discussed on this list can be
> answered by referring to some of sources that were just mentioned?****
>
>  ****
>
> I have always found that the sample files that come with DOE-2 and EQUEST
> provide advise on how to model 90% of most buildings. The 10% would include
> things that can't be modeled well with DOE-2 and/or EQUEST
> including: atriums, borrowed-lite windows (i.e., glass on an inside
> partition), courtyard buildings with interior gardens (i.e., evaporative
> cooling that leads to different temps in the courtyard -- see John Reynolds
> book). If one adds the 17 DOE EnergyPlus files, then you could make that
> 95%.****
>
>  ****
>
> 2) More general.. Can you give an estimate on how many professionals in
> BEM community (ten, hundred, thousand) are, let's say, 100% educated,
> 'self-sufficient', capable of demonstrating the ultimate level of knowledge?
> ****
>
>  ****
>
> Whew! I think there are about 100+ or so ASHRAE Certified BEM
> modelers...which grows every month. Conservatively, if you doubled or
> tripled that number to include good modelers that have not taken the exam,
> then you might have a few hundred folks that are certified or equivalent.*
> ***
>
>  ****
>
> If you want to know those who are capable of demonstrating the ultimate
> knowledge, you'd have to be code-specific, and then I would guess there are
> probably less than 20 persons per code or less that really know what they
> are doing well enought to write rewrite the code (i.e., DOE-2), or edit the
> FORTRAN and recompile the code. Unfortunately, many of the folks who wrote
> the original algorithms for DOE-2 and BLAST (a part of EnergyPlus) are no
> longer around.****
>
>  ****
>
> In the case of EnergyPlus, I would guess there are maybe 20 people that
> really know the code well enough to edit it and/or write new modules.
> Obviously, those who worked on it, and a few more, that's about it.****
>
>  ****
>
> For TRNSYS, the number is probably smaller. In the U.S. the source of most
> knowledge about TRNSYS is in Wisconsin (i.e., TESS or UofW-M).****
>
>  ****
>
> 3) More specifically.. From your experience, what is an average percentage
> of  graduates from your school  who becomes an expert in BEM? ****
>
>  ****
>
> I've always believed that it takes about 10 years of constant use to
> become expert. I educate about 10 to 20 persons per year, and have done so
> for 27 years. So, about 1/2 of my students may or may not have been
> praticing for 10 years, which brings them into the realm of becoming
> expert. Our current staff at the ESL who work on our code-compliant
> web-based calculator are all expert level (...they now teach me!).****
>
> 4) More on this... How many BEM schools are there in US? ****
>
>  ****
>
> I'm sure I'll insult someone here...****
>
>  ****
>
> Can you name them?    ****
>
> I can name schools where I know folks: MIT, PSU, TAMU, UT, OSU, CU, UC
> Berkeley, UofI, ASU, UofW-Milwaukee, UofW-Madison, UofW-Milwaukee,
> Purdue,UPenn, Cornell, CUNY, U.Kansas...and others.****
>
>  ****
>
> Jeff****
>
>  ****
>
> +++++++++++++++++++++++++++++++++++++++++++++++++++****
>
>
> Thank you,****
>
> ** **
>
> Pavel Dybskiy
>
> ****
>
> 2012/3/4 Jeff Haberl <jhaberl at tamu.edu>****
>
> Ellen,****
>
>  ****
>
> Here's a few more:****
>
>  ****
>
> 1. In a way the sample files that come with DOE-2.1e are showing you
> examples of buildings that LBNL assembled to go with DOE-2. You can view
> these with DrawBDL. However, there is only limited text that explains he
> intent of the file, and now guideline so to speak about modeling a
> building, in general.****
>
>  ****
>
> In a similar fashion, EQUEST comes with input files that you can view as
> well that pretty much cover the full range of building types.****
>
>  ****
>
> Finally, the DOE EnergyPlus standard 17 building type files (that came
> originally from Joe Huang I'm told) are also examples of how to model
> different building types. ****
>
>  ****
>
> There are also the books by Joe Clarke, Godfried Augenbroe, Jan
> Hensen/Roberto Lambert on simulation that provide varying advice on
> simulation.****
>
>  ****
>
> Also, TRNSYS has lots of files in their library that show how to model
> different things (mostly systems), that are useful as well.****
>
>  ****
>
> Problem is with any guide, anywhere is that, at some point,  is has to be
> specific to a particular simulation program, or else it becomes so general
> that it loses it meaning.****
>
>  ****
>
> If you want something that is really interesting, look at the 1958 ASHRAE
> paper by Buchberg that talks about modeling a one room hut using an analog
> electrical circuit...this was the start of it all. ****
>
>  ****
>
> Jeff****
>
>  ****
>
>  ****
>
> 8=!  8=)  :=)  8=)  ;=)  8=)  8=(  8=)  8=()  8=)  8=|  8=)  :=')  8=)8=?
>
> Jeff S. Haberl, Ph.D.,P.E., FASHRAE..............jhaberl at tamu.edu
>
> Professor............................................................Office
> Ph: 979-845-6507
>
> Department of Architecture.............................Lab Ph:979-845-6065
>
> Energy Systems Laboratory.............................FAX: 979-862-2457
>
> Texas A&M University.....................................77843-3581
>
> College Station, Texas, USA, 77843..................URL:www.esl.tamu.edu
>
> 8=/  8=)  :=)  8=)  ;=)  8=)  8=()  8=)  :=)  8=)  8=!  8=)  8=? 8=)8=0***
> *
>   ------------------------------
>
> *From:* bldg-sim-bounces at lists.onebuilding.org [
> bldg-sim-bounces at lists.onebuilding.org] on behalf of Paul Carey [
> paul at zed-uk.com]
> *Sent:* Sunday, March 04, 2012 2:53 AM
> *To:* 韩星; Ellen Franconi
> *Cc:* bldg-sim at lists.onebuilding.org
> *Subject:* Re: [Bldg-sim] Building Energy Modeling Guidelines****
>
> Ashrae 90.1 isn't a guideline? Its a set of massively prescriptive and
> defined rules for assessing buildings against benchmark buildings.
>
> We have a similar document to some extent in the UK. The national
> calculation methodology document that accompanies the iSBEM energy
> calculation tool available from the BRE outlines how to model in accordance
> with UK regulations or at least it does to some extent.
>
> Ok whilst writing this I've altered my opinions and so both are probably
> worth adding to list as they do have  some useful information on how to
> define zones, etc rather than just being code style documents.
>
> Kind regards
>
> Paul
>
>
>
> Sent from my HTC
>
> Dr Paul Carey
> Director
>
> Zero Energy Design Ltd
> 10a Portland Place
> 2-22 Mottram Road
> Stalybridge
> Cheshire
> UK
> SK15 3AD
>
> Tel - +44 161 3386200
> Mob - +44 789 4098012
> Email - paul at zed-uk.com
>
>
>
> ----- Reply message -----
> From: "韩星" <foolishstar at 163.com>
> Date: Sun, Mar 4, 2012 03:02
> Subject: [Bldg-sim] Building Energy Modeling Guidelines
> To: "Ellen Franconi" <efranconi at rmi.org>
> Cc: <bldg-sim at lists.onebuilding.org>
>
>
> Of course ASHRAE 90.1 APPENDIX G is the most popular guideline I think
>
>
>
>
> At 2012-03-04 06:05:51,"Ellen Franconi" <efranconi at rmi.org> wrote:
> I am compiling a list of published Building Energy Modeling Guidelines. I
> know of a few and was hoping to get some help from all of you to fill it
> out. This is what I know of:
>
> 1) CIBSE Applications Manual AM11: 1998, Building Energy and Environmental
> Modelling. The manual is available to members of the United Kingdom
> organization - the Chartered Institution of Building Services (CIBSE).
>
> 2) From the Colorado Governor's Energy Office, ENERGY MODELING: A GUIDE
> FOR THE BUILDING PROFESSIONAL. See
> http://rechargecolorado.org/images/uploads/pdfs/Energy_Modelling_062411.pdf
>
> 3) AIA Modeling Guidelines (believe there is a draft out for public
> review) but what I find on their website is:
> An Architects Guide to Integrated Modeling Within the Design Process
>
> 4) GSA BIM to BEM also out for public review,see:
> http://www.gsa.gov/portal/content/105075
>
> 5) ASHRAE Research Project 1468 BIM to BEM,
>
> What have others come across?
>
> --
> Ellen Franconi, PhD, LEED AP, BEMP
> Senior Consultant, Built Environment Team
>
> Rocky Mountain Institute
> 1820 Folsom Street
> Boulder, CO 80302
> 303.567.8609 (Desk)
> 303.245.7213 (Fax)
>
> Rocky Mountain Institute drives the efficient and restorative use of
> resources, creating a world thriving, verdant, and secure, for all, for
> ever.
>
> http://www.rmi.org
>
> ****
>
>
> _______________________________________________
> Bldg-sim mailing list
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>
>
>
> ****
>
> ** **
>
> --
> Best Regards,
>
> Pavel Dybskiy
> M.A.Sc. Candidate, Department of Architectural Science
> Faculty of Engineering, Architecture and Science, Ryerson University
> E-mail: pdybskiy at ryerson.ca;
> telephone: 647-984-4940****
>
>
> _______________________________________________ Bldg-sim mailing list
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>
> -- ****
>
> *Dr. Hussein Abaza, Assistant Professor*****
>
> *Construction Management Department *****
>
> *SCHOOL OF ARCHITECTURE’*****
>
> *CIVIL ENGINEERING TECHNOLOGY*****
>
> * And CONSTRUCTION*****
>
> 1100 South Marietta Parkway, Marietta, GA 30060-2896****
>
> Website: www.spsu.edu/cost  Tel: 678-915-3719 Fax: 678-915-4966****
>
> E-mail: ahussein at spsu.edu****
>
> ** **
>
> ** **
>
>
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>
>
> ****
>
> ** **
>
> -- ****
>
> Best****
>
> -p.d.****
>
> ** **
>
>
> _______________________________________________
> Bldg-sim mailing list
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>
> ****
>
> ** **
>
> -- ****
>
> *Jeremiah D. Crossett*****
>
> *CleanTech Analytics*****
>
> *503-688-8951*****
>
> *www.cleantechanalytics.com* <http://www.cleantechanalytics.com>****
>
> ** **
>
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