Addresses #5227, updates to Controller:OutdoorAir

model/simulationtests/controller_outdoorair.rb

@@ -0,0 +1,106 @@
+# frozen_string_literal: true
+
+require 'openstudio'
+require_relative 'lib/baseline_model'
+
+model = BaselineModel.new
+
+# make a 1 story, 100m X 50m, 1 zone core/perimeter building
+model.add_geometry({ 'length' => 100,
+                     'width' => 50,
+                     'num_floors' => 1,
+                     'floor_to_floor_height' => 3,
+                     'plenum_height' => 1,
+                     'perimeter_zone_depth' => 0 })
+
+# add windows at a 40% window-to-wall ratio
+model.add_windows({ 'wwr' => 0.4,
+                    'offset' => 1,
+                    'application_type' => 'Above Floor' })
+
+# Make a Dual Duct AirLoopHVAC
+air_loop = OpenStudio::Model::AirLoopHVAC.new(model, true)
+
+fan = OpenStudio::Model::FanVariableVolume.new(model)
+fan.addToNode(air_loop.supplyInletNode)
+
+oa_controller = OpenStudio::Model::ControllerOutdoorAir.new(model)
+oa_controller.setEconomizerControlType('ElectronicEnthalpy')
+enthalpy_limit_curve = OpenStudio::Model::CurveCubic.new(model)
+enthalpy_limit_curve.setName('ElectronicEnthalpyCurveA')
+enthalpy_limit_curve.setCoefficient1Constant(0.01342704)
+enthalpy_limit_curve.setCoefficient2x(-0.00047892)
+enthalpy_limit_curve.setCoefficient3xPOW2(0.000053352)
+enthalpy_limit_curve.setCoefficient4xPOW3(-0.0000018103)
+enthalpy_limit_curve.setMinimumValueofx(16.6)
+enthalpy_limit_curve.setMaximumValueofx(29.13)
+# oa_controller.setElectronicEnthalpyLimitCurve(enthalpy_limit_curve)
+min_outdoorair_sch = OpenStudio::Model::ScheduleRuleset.new(model)
+min_outdoorair_sch.setName('OAFractionSched')
+min_outdoorair_sch.defaultDaySchedule.addValue(OpenStudio::Time.new(0, 7, 0, 0), 0.05)
+min_outdoorair_sch.defaultDaySchedule.addValue(OpenStudio::Time.new(0, 18, 0, 0), 1.0)
+min_outdoorair_sch.defaultDaySchedule.addValue(OpenStudio::Time.new(0, 24, 0, 0), 0.05)
+oa_controller.setMinimumOutdoorAirSchedule(min_outdoorair_sch)
+economizer_control_sch = OpenStudio::Model::ScheduleRuleset.new(model)
+economizer_control_sch.setName('TimeOfDayEconomizerSch')
+economizer_control_sch.defaultDaySchedule.addValue(OpenStudio::Time.new(0, 7, 0, 0), 0.0)
+economizer_control_sch.defaultDaySchedule.addValue(OpenStudio::Time.new(0, 7, 30, 0), 1.0)
+economizer_control_sch.defaultDaySchedule.addValue(OpenStudio::Time.new(0, 24, 0, 0), 0.0)
+oa_controller.setTimeofDayEconomizerControlSchedule(economizer_control_sch)
+
+# Add a humidistat at 50% RH to the zone
+dehumidify_sch = OpenStudio::Model::ScheduleConstant.new(model)
+dehumidify_sch.setValue(50)
+humidistat = OpenStudio::Model::ZoneControlHumidistat.new(model)
+humidistat.setHumidifyingRelativeHumiditySetpointSchedule(dehumidify_sch)
+
+oa_system = OpenStudio::Model::AirLoopHVACOutdoorAirSystem.new(model, oa_controller)
+oa_system.addToNode(air_loop.supplyInletNode)
+
+# After the splitter, we will now have two supply outlet nodes
+supply_outlet_nodes = air_loop.supplyOutletNodes
+
+heating_coil = OpenStudio::Model::CoilHeatingGas.new(model)
+heating_coil.addToNode(supply_outlet_nodes[0])
+
+heating_sch = OpenStudio::Model::ScheduleRuleset.new(model)
+heating_sch.defaultDaySchedule.addValue(OpenStudio::Time.new(0, 24, 0, 0), 45.0)
+heating_spm = OpenStudio::Model::SetpointManagerScheduled.new(model, heating_sch)
+heating_spm.addToNode(supply_outlet_nodes[0])
+
+cooling_coil = OpenStudio::Model::CoilCoolingDXTwoSpeed.new(model)
+cooling_coil.addToNode(supply_outlet_nodes[1])
+
+cooling_sch = OpenStudio::Model::ScheduleRuleset.new(model)
+cooling_sch.defaultDaySchedule.addValue(OpenStudio::Time.new(0, 24, 0, 0), 12.8)
+cooling_spm = OpenStudio::Model::SetpointManagerScheduled.new(model, cooling_sch)
+cooling_spm.addToNode(supply_outlet_nodes[1])
+
+# In order to produce more consistent results between different runs,
+# we sort the zones by names (doesn't matter here, just in case)
+zones = model.getThermalZones.sort_by { |z| z.name.to_s }
+zones.each do |zone|
+  terminal = OpenStudio::Model::AirTerminalDualDuctVAV.new(model)
+  air_loop.addBranchForZone(zone, terminal)
+end
+
+zone = zones[0]
+zone.setZoneControlHumidistat(humidistat)
+# oa_controller.setHumidistatControlZone(zone)
+
+# add thermostats
+model.add_thermostats({ 'heating_setpoint' => 24,
+                        'cooling_setpoint' => 28 })
+
+# assign constructions from a local library to the walls/windows/etc. in the model
+model.set_constructions
+
+# set whole building space type; simplified 90.1-2004 Large Office Whole Building
+model.set_space_type
+
+# add design days to the model (Chicago)
+model.add_design_days
+
+# save the OpenStudio model (.osm)
+model.save_openstudio_osm({ 'osm_save_directory' => Dir.pwd,
+                            'osm_name' => 'in.osm' })

model_tests.rb

@@ -426,6 +426,15 @@ def test_coilsystem_integrated_heatpump_osm
     result = sim_test('coilsystem_integrated_heatpump.osm')
   end
 
+  # TODO: To be added in the next official release after: 3.8.0
+  # def test_controller_outdoorair_osm
+  # result = sim_test('controller_outdoorair.osm')
+  # end
+
+  def test_controller_outdoorair_rb
+    result = sim_test('controller_outdoorair.rb')
+  end
+
   def test_coolingtowers_osm
     result = sim_test('coolingtowers.osm')
   end