[Bldg-sim] TRAINING: DesignBuilder EnergyPlus Simulation Training

Keith Swartz kswartz at ecw.org
Mon Mar 2 14:38:57 PST 2015


Could your “economizer” be a system that simply brings in cold outside air during the winter? Here is an example: http://freeaire.com/ We have seen these in refrigerated spaces.

Keith Swartz, PE, BEMP, LEED AP
Senior Energy Engineer | Energy Center of Wisconsin | Madison.Chicago.Minneapolis
608.210.7123 | www.ecw.org<http://www.ecw.org/>

From: Jim Dirkes [mailto:jim at buildingperformanceteam.com]
Sent: Monday, March 02, 2015 12:58 PM
To: bldg-sim at lists.onebuilding.org
Subject: Re: [Bldg-sim] TRAINING: DesignBuilder EnergyPlus Simulation Training

Dear Forum,
The refrigerated warehouse we're modeling uses an "economizer" to help unload the compressors in the winter. As I understand it, the system works something like hot gas bypass for commercial air conditioners and routes hot gas to the inlet of the compressor.
I don't see a direct method of modeling this, so I plan to create a modified capacity curve for the compressors in order to represent the impact of this "economizer".

 1.  Do you have a better idea?
 2.  Any cautions that apply to this approach from your experience?

On Sun, Jan 25, 2015 at 10:33 AM, David Cocking <David.Cocking at designbuilder.co.uk<mailto:David.Cocking at designbuilder.co.uk>> wrote:
DesignBuilder are running a simulation training course in collaboration with University College London (UCL) this April. This face to face course in London is an excellent opportunity to find out how to get the most out of DesignBuilder EnergyPlus and learn best practice modelling techniques. It is suitable for new and experienced users alike, and is structured to give you plenty of worked examples so you can 'learn by doing'. The last 2 days will be of particular interest for those wanting to get up to speed with CFD and EnergyPlus HVAC system simulations. Our new VRF capability will be included in the Detailed HVAC day.
The course is completely modular and you can choose to attend any of the 5 days according to your particular training requirements:

Day 1: 13th April - Modeller. To show you how to confidently and quickly set up building geometry, import floor plans and gbXML models, zone the building and define and select constructions and glazing. We’ll also explain how our data inheritance feature can dramatically reduce the amount of data input required to help speed up modelling and reduce the risk of input errors.

Day 2: 14th April - Basic Simulation*. Learn how to quickly model external influences such as non-standard ground conditions, adjacent buildings and shading objects; use templates for improved modelling efficiency; run heating and cooling designs and simulations and review results; easily add solar shading; and input model data such as lighting and HVAC efficiently.

Day 3: 15th April - Daylighting, Natural Ventilation & Renewables*. Modelling low environmental impact design solutions including daylighting using our integrated Radiance tool, natural ventilation, mixed mode, PV and wind turbines.

Day 4: 16th April - Introduction to Detailed HVAC*. Introducing EnergyPlus HVAC modelling in DesignBuilder and getting started with Detailed HVAC including HVAC templates to quickly load pre-configured HVAC systems, VRF modelling, HVAC plant loops and our Results Viewer.

Day 5: 17th April - CFD*. Learn the key concepts of internal and external CFD from the basic building blocks through to using simulation data to define boundary conditions more accurately.
*Note that Days 2-5 all require previous experience with the modeller or attendance on Day 1.
The cost of the course is £250 GBP per day, with significant discounts available for academia. Discounts are also available for multiple bookings.
You can find out more about the UCL simulation training course (and indeed our extensive worldwide training schedule) by contact the office or via the training page on our website:

We hope to see you there!


David Cocking
DesignBuilder Software Limited
+44 (0) 1453 755500<tel:%2B44%20%280%29%201453%20755500>

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James V Dirkes II, PE, BEMP, LEED AP
The Building Performance Team Inc.
1631 Acacia Dr, GR, Mi 49504

Direct: 616.450.8653
jim at buildingperformanceteam.com<mailto:jim at buildingperformanceteam.com>

Website <http://buildingperformanceteamcom> l  LinkedIn<https://www.linkedin.com/pub/jim-dirkes/7/444/413>

The truth is like a lion; you don’t have to defend it. Let it loose; it will defend itself.
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