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[EnergyPlus_Support] Re: EnergyPlus Version 2.2 Now Available
"New report variables for summed zone load components."
Would you please explain what are the new variables for the summed
zone load components?
Thanks,
Tj Ywh
--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "Crawley, Drury"
<Drury.Crawley@...> wrote:
>
> EnergyPlus Version 2.2 Now Available
>
>
>
> The latest release of the EnergyPlus building energy simulation program,
> Version 2.2, was completed on April 22 (Earth Day!) and is now available
> in versions for both the Windows and Linux operating systems. (Macintosh
> version will be available within a few days.) A few key new features
> include a dual-setpoint humidistat, enhanced economizer controls,
> greater flexibility in specifying internal gains (i.e., people, lights,
> equipment) and ventilation/infiltration, a microturbine electric
> generator model, and upgrades to the equivalent one-diode PV model . We
> have updated and extended capabilities throughout the existing building
> envelope, daylighting, and HVAC equipment and systems portions of the
> program.
>
>
>
> The set of example input files now includes full-blown models of typical
> new construction (drawn from the DOE Commercial Benchmarks project).
>
>
>
> EnergyPlus V 2.2 is available at no cost from the EnergyPlus web site:
> www.energyplus.gov <http://www.energyplus.gov/> .
>
>
>
> Also available - an update of the Energy Design Plugin for SketchUp -
> version 0.94. This version includes updates to use EnergyPlus Version
> 2.2 and bug fixes.
>
>
>
>
>
> What's New in Version 2.2?
>
>
>
> Data Sets
>
> * Electronic enthalpy air-side economizer curves
>
> * Microturbine electric generators
>
>
>
> Input
>
> * Design days now allow scheduled input for Beam and Diffuse
> Solar values.
>
> * Design days allow users to select periods from weather files
> to be used in design/sizing calculations.
>
>
>
> Daylighting
>
> * Reference point Illuminance levels calculated by DElight now
> included in standard output variables.
>
>
>
> Zone Model
>
> * Internal gains can now be entered in intensity:
>
> o People can be entered as number of people, people/floor area or
> vice versa (area/person).
>
> o Lighting can be entered as total Watts, Watts/floor area or
> Watts/person.
>
> * Equipment (electric, gas, other) can be entered as Watts,
> Watts/floor area or Watts/person.
>
>
>
> Natural and Mechanical Ventilation
>
> * Outside Air Controller now allows boosted air flow rates for
> high humidity control. A schedule may also be used to operate the
> outside air economizer based on a time-of-day schedule. Each of these
> features is also included in the controller for the stand-alone energy
> recovery ventilator.
>
> * Infiltration can be entered as total volume, volume/floor
> area, volume/exterior surface area, or air changes per hour.
>
> * Ventilation, mixing and cross mixing can be entered as total
> volume, volume/floor area, volume/person, or air changes/hour.
>
> * Airflow network model now includes more coil types, including
> water cooling, water heating, detailed flat water cooling, multimode DX
> cooling, and multispeed cooling and heating.
>
> * Multiple infiltration and ventilation objects now allowed in
> each zone, and the temperature control limits for the ventilation object
> can now be scheduled (instead of constant).
>
>
>
> HVAC
>
> * Dual-setpoint humidistat with deadband now available
>
> * Water heater volume and capacity can be autosized.
>
> * Supply air fan operating mode (continuous versus cycling) can
> now be scheduled based on time-of-day for window air conditioner,
> packaged terminal heat pump and water-to-air heat pump.
>
> * New economizer controls added to Controller:Outside Air and
> Controller:Stand Alone ERV objects. New controls include Dew Point
> Temperature limit and Electronic (Variable) Enthalpy limit.
>
> * DX System (DXSystem:Airloop object) now allows cool-reheat
> dehumidification control type.
>
>
>
> On-Site Energy Supply
>
> * New operating scheme for electric generators to follow thermal
> loads.
>
> * New microturbine electric generator model.
>
> * Upgraded equivalent one-diode PV model to include options for
> BIPV and inverter.
>
>
>
> Environmental Impacts
>
> * Environmental emissions can now be scheduled for all fuel
> types.
>
>
>
> Output
>
> * New detailed reports on Internal Gains (People, Lights,
> Equipment) as well as Simple Air Flow (Infiltration, Ventilation,
> Mixing, Cross Mixing) in the .EIO file.
>
> * New report variables for summed zone load components.
>
> * Added additional column in internal heat gains reporting that
> shows the sum of gains/floor area.
>
>
>
> Utilities
>
> * Many enhancements in the IDF Editor and HVAC Diagramming
> tools.
>
>
>
> Documentation and Guides
>
> * Input/Output Reference and Engineering Reference updated and
> extended for all new features and updates. Total documentation now
> exceeds 3700 pages.
>
>
>
> Improved warning messages to assist users, along with many other
> enhancements and speed improvements throughout. See
> http://www.energyplus.gov/features.html
> <http://www.energyplus.gov/features.html> for a complete list of new
> features added in this and previous versions.
>
>
>
> Update on User Interfaces?
>
>
>
> EP-Quick creates an EnergyPlus input file based on a broad range of zone
> templates (released in April 2005). DesignBuilder, a graphic user
> interface, was released in December 2005. Hevacomp uses EnergyPlus as
> its simulation engine (2006). First version of EFEN was released in
> November 2007. Several other interfaces are under development. Watch
> our web site ( http://www.energyplus.gov/ep_interfaces.html
> <http://www.energyplus.gov/ep_interfaces.html> ) for up-to-date
> information on these and other interfaces.
>
>
>
> A number of utilities and tools for creating, editing, and running input
> files come with EnergyPlus, including IDF Editor, EP-Launch, and
> HVAC-Diagram (see http://www.energyplus.gov/ep_utilities.html
> <http://www.energyplus.gov/ep_utilities.html> ). Third party tools for
> creating, editing, and displaying EnergyPlus input files are also
> available, including DrawBDL, EcoTect, ESP-r, Green Building Studio,
> EzDrawPlus, IFCtoIDF, TSe+, and EzPlus-Parm. See
> http://www.energyplus.gov/third_party_tools.html
> <http://www.energyplus.gov/third_party_tools.html> for more
> information.
>
>
>
> EnergyPlus Training Workshops
>
>
>
> We are planning workshops throughout 2008. For more information, please
> see: http://www.gard.com/training.htm
> <http://www.gard.com/training.htm>
>
>
>
> What's going on in V2.2.0?
>
>
>
> Will there be any considerable difference between version 2.1 and 2.2?
>
>
>
> Yes.... and no. The basic structure of EnergyPlus is still as it has
> been but there are some significant changes that you will want to be
> aware of:
>
>
>
> As always, there are a number of new features and bug fixes.
>
>
>
> How about IDF and IDD? Do they remain unchanged?
>
>
>
> There will be some changes in the IDD and reflected in IDFs.
> Particularly for any new features, there will be new objects.
>
>
>
> Is version 2.2 backward compatible? Can I run v2.1 file in v2.2?
>
>
>
> For many options, the answer is yes. However, there are several changes
> that require you to use the transition program for V2.2. EP-Launch can
> check the selected file (if there is a version object) and you can
> launch the Transition program from the EP-Launch "File" menu. You can
> also view the ObjectStatus spreadsheet in the root folder of the
> installed version. This file has detailed explanations of changes to the
> objects. There is also a new option for the transition program that
> allows you to supply a list of files and it will convert them for you.
> The transition program is described more fully in the Auxiliary Programs
> document.
>
>
>
> EnergyPlus Weather Data
>
>
>
> Weather data for more than 1300 locations worldwide are available on the
> EnergyPlus web site: http://www.energyplus.gov/cfm/weather_data.cfm
> <http://www.energyplus.gov/cfm/weather_data.cfm> (Watch for email in
> the next week or two about 1067 new TMY3 files for the USA and new
> weather data for Israel.)
>
>
>
> If you know of other weather data for your country that you'd be willing
> to share with the EnergyPlus user community, please contact Dru Crawley
> (Drury.Crawley@... <mailto:Drury.Crawley@...> ).
>
>
>
> EnergyPlus_Support Group at YahooGroups
>
>
>
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>
>
>
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>
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>
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>
>
>
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>
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>
> Thanks!
>
>
>
> The EnergyPlus Team
>
>
>
>
>
> [Non-text portions of this message have been removed]
>
------------------------------------
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