[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [EnergyPlus_Support] RE: EnergyPlus Humidifiers

There is an item for steam humidifiers on the wish list, not sure when 
it will get funded.

Peter Henniger wrote:
>
> Linda
>
> Was wondering if it is in the works to update the Humidifier module to 
> include other types, i.e. steam and evaporative types.
>
> It is a bit awkward having only electric, and the model doesn’t 
> account for heat gain from steam, or heat loss from evaporative.
>
> Regards
>
> Peter
>
> *From:* EnergyPlus_Support@xxxxxxxxxxxxxxx 
> [mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx] *On Behalf Of *Linda Lawrie
> *Sent:* March 26, 2010 3:12 PM
> *Subject:* [EnergyPlus_Support] Version 5 features (final draft)
>
> Version 5.0, Release April 2010
>
> Data Sets
> * New refrigerated case data set.
>
> Input
> * Slab and Basement preprocessors integrated to run automatically
> prior to EnergyPlus simulation
> * New "Unit Type" field for schedules to support units conversions of
> schedule values
> * Added ExternalInterface to connect to the Building Controls Virtual
> Test Bed using Ptolemy.
>
> Geometry/Window/Wall/Shading
> * 2-node ConductionFiniteDifferenceSimplified model added.
>
> Daylighting
> * Allow switchable windows like electrochromic windows to
> continuously dim, instead of only switching to fully dark state.
> Allows the zone to meet the maximum glare index while providing
> daylight for spaces.
>
> Zone Model
> * Analytical and Euler solution options for zone air heat balance added.
>
> Natural and Mechanical Ventilation
> * Added minimum outdoor air flow rate operation controls to single
> and dual duct VAV air terminals.
> * Added maximum supply air flow rate during reheat to single duct VAV
> air terminal.
> * New object ZoneHVAC:OutdoorAir to describe outdoor air flow rate
> for use by other objects.
> * New ZoneVentilation:WindandStackOpenArea object calculates
> ventilation rates based on winds and stack effects.
> * Zone HVAC outdoor air unit module for make-up air and DOAS.
>
> HVAC and Refrigeration
> * Refrigeration loops can now model CO2 secondary loops.
> * Lighting in refrigerated cases revised to better match
> manufacturer's practices.
> * Zone-side impacts of refrigerant piping heat exchange added.
> * Default 'on' schedules for refrigerated cases and walk-ins added
> * Dual layer controls for radiant systems removed
> * Basin heater added to all chillers except absorption chillers.
> * Basin heater added to one and two speed cooling towers.
> * Pumps can ride curves based on pressure.
> * New steam baseboard with radiant heat.
> * New electric radiant/convective baseboard.
> * Added HVACTemplate:Zone:WaterToAirHeatPump and
> HVACTemplate:Plant:MixedWaterLoop
> * Standard rating (net) cooling capacity and SEER value reported for
> single speed DX cooling coil with air-cooled condenser.
>
> Electrical Systems
> * Improved methodology for electric load dispatch via the electric 
> load center.
>
> Controls and User Functions
> * Enhancements to EMS including: system timestep built-in variable,
> detect unbalanced parentheses in Erl, custom schedule output, and
> coupling with ExternalInterface.
>
> On-Site Energy Supply
> * Wind turbine module (horizontal and vertical axis turbines).
>
> Output
> * New predefined output table for DX cooling coils as part of
> EquipmentSummary report summarize the calculated capacity and SEER values.
> * New simulations database table and tabular reports data added to
> SQL database output.
> * Added report variables for beam and diffuse solar radiation for blinds.
> * Users can turn off most surface variables to a minimal critical set
> with single command. Allows tremendous reduction in execution time
> for large projects with many surfaces.
>
> Utilities
> * New utility EP-Compare allows users to graphically compare results
> from two simulations.
> * IDF Editor supports IP units in schedules and other objects.
> * EP-Launch, IDF Editor, and WeatherConverter updates throughout.
>
> Documentation and Guides
> * Two new guides: Tips and Tricks Using EnergyPlus, and External
> Interface Application Guide.
> * Input/Output Reference and Engineering Reference updated and
> extended for all new features and updates. Total documentation now
> exceeds 4,700 pages.
> * New translation capability added to EnergyPlus web site allows
> translation into 50 languages.
>
> Validation and Testing
> * New testing report: EnergyPlus Testing with IEA BESTEST Mechanical
> Equipment & Control Strategies for a Chilled Water and a Hot Water System
>
> Platforms
> * Windows (XP, Vista, 7), Linux, Mac (tested for Snow Leopard)
>
> 

-- 
Richard A. Raustad
Senior Research Engineer
Florida Solar Energy Center
University of Central Florida
1679 Clearlake Road
Cocoa, FL  32922-5703
Phone:   (321) 638-1454
Fax:     (321) 638-1439 or 1010
Visit our web site at: http://www.fsec.ucf.edu

UCF - From Promise to Prominence: Celebrating 40 Years



------------------------------------

The primary EnergyPlus web site is found at:
http://www.energyplus.gov

The group web site is:
http://groups.yahoo.com/group/EnergyPlus_Support/

Attachments are currently allowed but be mindful that not everyone has a high speed connection.  Limit attachments to small files.

EnergyPlus Documentation is searchable.  Open EPlusMainMenu.pdf under the Documentation link and press the "search" button.
Yahoo! Groups Links

<*> To visit your group on the web, go to:
    http://groups.yahoo.com/group/EnergyPlus_Support/

<*> Your email settings:
    Individual Email | Traditional

<*> To change settings online go to:
    http://groups.yahoo.com/group/EnergyPlus_Support/join
    (Yahoo! ID required)

<*> To change settings via email:
    EnergyPlus_Support-digest@xxxxxxxxxxxxxxx 
    EnergyPlus_Support-fullfeatured@xxxxxxxxxxxxxxx

<*> To unsubscribe from this group, send an email to:
    EnergyPlus_Support-unsubscribe@xxxxxxxxxxxxxxx

<*> Your use of Yahoo! Groups is subject to:
    http://docs.yahoo.com/info/terms/