@Myoldmopar Myoldmopar released this Mar 23, 2018 · 1132 commits to develop since this release

Assets 9

EnergyPlus 8.9.0

The U.S. Department of Energy (DOE) has released EnergyPlus version 8.9.0. There were many bug fixes and prominent new features this release. The full changelog for this release cycle is listed below. For more information about EnergyPlus, please visit www.energyplus.net.

Platforms

  • Windows 7, 8 & 10: 32 and 64-bit versions
  • Linux (Ubuntu 14.04 and compatible) 64 bit versions
  • Mac OSX 10.9 64 bit versions

Changelog for EnergyPlus 8.9.0-370d5b8f4d

Consists of pull requests merged in since the last release - starting with SHA 7c3bbe4

New Features

  • #5893 : JSON input format and InputProcessor refactor
  • #5952 : Improve Control of Multiple Pieces of HVAC Equipment in a Zone
  • #6154 : Enhancements to Improve Modeling of Data Centers
  • #6234 : Ground Heat Exchanger Enhancements
  • #6330 : Fix interpolation on interval schedules
  • #6385 : On/Off Thermostat
  • #6387 : Additional Source Term in the Surface Heat Balance Calculation
  • #6388 : Automatic Import of Shading from a CSV File
  • #6390 : Add New Options to Disable Self-Shading Effect
  • #6393 : New Feature - ASHRAE 90.1 SZVAV control for Packaged Terminal Units.
  • #6411 : Single Duct Constant Volume Air Terminal No Reheat New Object
  • #6432 : Hybrid Air Conditioner
  • #6451 : PVWatts
  • #6454 : New Coil Sizing Reports
  • #6456 : Add annual reporting option
  • #6499 : Move setpoint calculation from zone time step to system time step

Performance Enhancements

  • #5893 : JSON input format and InputProcessor refactor

Defects Repaired

  • #6169 : Handle water utility cost tariffs
  • #6290 : Clarification of the documentation regarding the 'Main Pipe' in the VRF-FluidTCtrl-HP and VRF-FluidTCtrl-HR models
  • #6330 : Fix interpolation on interval schedules
  • #6338 : Fix VAV min flow frac > 1.0 and a bunch of termunitsizing issues related to multiple airloops
  • #6355 : Fix time-stepping and exposed perimeter logic for Kiva foundations
  • #6358 : Fix outdoor air system index variable
  • #6360 : Print final message before CloseOutOpenFiles() closes stderr
  • #6363 : Fix order of inputs for ZoneCapacitanceMultiplier:ResearchSpecial docs
  • #6372 : System sizing adjustments for Std 61.2 VRP - fix and refactor
  • #6380 : Fix bug in PCM code
  • #6386 : Fix ideal loads zone air flow balance
  • #6395 : Simple Cooling Panel OO Mods, Corrections, and Documentation Fixes
  • #6397 : Correction of Radiant/convective Baseboard Max Iteration Issues
  • #6401 : Fix crash in adaptive convection when used with baseboard heat and lights with return air heat gain
  • #6403 : Fix crash in AirTerminal:SingleDuct:Mixer when DesignSpecification:OutdoorAir is shared across multiple Sizing:Zone objects
  • #6406 : Fix get input problem when same file has unitary systems as zone equipment and on airloop
  • #6407 : Thermal Comfort Mean Radiant Temperature Calculation Upgrades
  • #6410 : Include zone equipment in night cycle manager warmup reset and fix crash when no airloops present
  • #6414 : Corrects improper controller index for OA system coils.
  • #6415 : Consolidate code in CorrectZoneHumRat
  • #6419 : Fix DualDuct VAV and VAV:OA: Wrong int index used
  • #6430 : IDD cleanup and other minor fixes for v8.9.0
  • #6433 : Document Fixes found for V8.8.0 of Documents
  • #6440 : Zone hvac baseboard convective water ua sizing fails if plant water temp is too low
  • #6441 : User file with PTHP has negative heating electricity
  • #6444 : Correct variable speed DX cooling coil SHR calculation when coil bypass factor < 0.001
  • #6446 : Incorrect primary air mass flow rate in PIU due to missing inlet node and airloop number
  • #6449 : Correct VS coil air flow and fan RTF calculations
  • #6452 : Reduce external interface maximum variables
  • #6460 : Correct use of variable-speed DX cooling coil WB inlet temp during dry-coil operation
  • #6462 : Add MDotOA in CO2 and contaminant balance equations
  • #6463 : Addressed Documentation Issues - April-August 2016
  • #6466 : EMS Actuator for Window Shading Control can cause crash if status set to "blind on" but there are no blinds
  • #6473 : Name changes for heating coil energy/rate report variables
  • #6474 : Fix the running average outdoor air temperature in the first day
  • #6493 : An Intermediate Fix for Constant Speed Branch Pumps and Refactor
  • #6498 : VRF power in heat recovery using thermostat offset priority is 0 when coils are active
  • #6500 : Change remaining Coil:Heating:Gas to Fuel plus cleanups on new coil sizing reports
  • #6511 : Chiller:Absorption hot water Flow Mode control problem
  • #6513 : Fix specific values in component load summary reports
  • #6518 : OA system controller list apparently requires the OA controller to come first followed by water coil controllers
  • #6519 : Remove EMS exp error
  • #6523 : Continuation of Constant Speed Branch Pump Fixes
  • #6527 : Yearly reporting bug fixes
  • #6542 : 6464 Fix Fuel Cell Solver Bounds

Under the Hood Restructuring

  • #5893 : JSON input format and InputProcessor refactor
  • #6354 : For documentation, change xelatex invocation from -interaction=nonstopmode to -interaction=batchmode
  • #6372 : System sizing adjustments for Std 61.2 VRP - fix and refactor
  • #6455 : Consolidate code in CorrectZoneContaminants
  • #6493 : An Intermediate Fix for Constant Speed Branch Pumps and Refactor