Class: Honeybee::IdealAirSystemAbridged

Inherits:
ModelObject show all
Defined in:
lib/honeybee/hvac/ideal_air.rb,
lib/to_openstudio/hvac/ideal_air.rb,
lib/from_openstudio/hvac/ideal_air.rb

Instance Attribute Summary

Attributes inherited from ModelObject

#errors, #openstudio_object, #warnings

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from ModelObject

#allowable_types, clean_identifier, clean_name, #find_existing_openstudio_object, #initialize, #method_missing, read_from_disk, truncate

Constructor Details

This class inherits a constructor from Honeybee::ModelObject

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Honeybee::ModelObject

Class Method Details

.from_hvac(hvac) ⇒ Object 



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# File 'lib/from_openstudio/hvac/ideal_air.rb', line 38

def self.from_hvac(hvac)
    # create an empty hash
    hash = {}
    hash[:type] = 'IdealAirSystemAbridged'
    hash[:identifier] = clean_name(hvac.nameString)
    unless hvac.displayName.empty?
        hash[:display_name] = (hvac.displayName.get).force_encoding("UTF-8")
    end
    hash[:economizer_type] = hvac.outdoorAirEconomizerType
    if hvac.demandControlledVentilationType.downcase == 'none'
        hash[:demand_controlled_ventilation] = false
    else
        hash[:demand_controlled_ventilation] = true
    end
    hash[:sensible_heat_recovery] = hvac.sensibleHeatRecoveryEffectiveness
    hash[:latent_heat_recovery] = hvac.latentHeatRecoveryEffectiveness
    hash[:heating_air_temperature] = hvac.maximumHeatingSupplyAirTemperature
    hash[:cooling_air_temperature] = hvac.minimumCoolingSupplyAirTemperature
    unless hvac.isHeatingLimitDefaulted
        if hvac.heatingLimit == 'NoLimit'
            hash[:heating_limit] = {type: 'NoLimit'}
        elsif hvac.heatingLimit == 'LimitCapacity'
            if hvac.isMaximumSensibleHeatingCapacityAutosized
                hash[:heating_limit] = {type: 'Autosize'}
            end
            unless hvac.maximumSensibleHeatingCapacity.empty?
                hash[:heating_limit] = hvac.maximumSensibleHeatingCapacity
            end
        end
    end
    unless hvac.isCoolingLimitDefaulted
        if hvac.coolingLimit == 'NoLimit'
            hash[:cooling_limit] = {type: 'NoLimit'}
        elsif hvac.coolingLimit == 'LimitCapacity'
            if hvac.isMaximumTotalCoolingCapacityAutosized
                hash[:cooling_limit] = {type: 'Autosize'}
            end
            unless hvac.maximumTotalCoolingCapacity.empty?
                hash[:cooling_limit] = hvac.maximumTotalCoolingCapacity
            end
        end
    end
    unless hvac.heatingAvailabilitySchedule.empty?
        schedule = hvac.heatingAvailabilitySchedule.get
        hash[:heating_availability] = schedule.nameString
    end
    unless hvac.coolingAvailabilitySchedule.empty?
        schedule = hvac.coolingAvailabilitySchedule.get
        hash[:cooling_availability] = schedule.nameString
    end
    
    hash
end

Instance Method Details

#defaults ⇒ Object 



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# File 'lib/honeybee/hvac/ideal_air.rb', line 37

def defaults
  @@schema[:components][:schemas][:IdealAirSystemAbridged][:properties]
end

#to_openstudio(openstudio_model) ⇒ Object 



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# File 'lib/to_openstudio/hvac/ideal_air.rb', line 39

def to_openstudio(openstudio_model)
  # create the ideal air system and set the identifier
  os_ideal_air = OpenStudio::Model::ZoneHVACIdealLoadsAirSystem.new(openstudio_model)
  os_ideal_air.setName(@hash[:identifier])
  unless @hash[:display_name].nil?
    os_ideal_air.setDisplayName(@hash[:display_name])
  end
  # use no dehumidification unless there's a humidistat
  os_ideal_air.setDehumidificationControlType('None')

  # assign the economizer type
  if @hash[:economizer_type]
    os_ideal_air.setOutdoorAirEconomizerType(@hash[:economizer_type])
  else
    os_ideal_air.setOutdoorAirEconomizerType(
      defaults[:economizer_type][:default])
  end

  # set the sensible heat recovery
  if @hash[:sensible_heat_recovery] != 0
    os_ideal_air.setSensibleHeatRecoveryEffectiveness(@hash[:sensible_heat_recovery])
    os_ideal_air.setHeatRecoveryType('Sensible')
  else
    os_ideal_air.setSensibleHeatRecoveryEffectiveness(
      defaults[:sensible_heat_recovery][:default])
  end

  # set the latent heat recovery
  if @hash[:latent_heat_recovery] != 0
    os_ideal_air.setLatentHeatRecoveryEffectiveness(@hash[:latent_heat_recovery])
    os_ideal_air.setHeatRecoveryType('Enthalpy')
  else
    os_ideal_air.setLatentHeatRecoveryEffectiveness(
      defaults[:latent_heat_recovery][:default])
  end

  # assign the demand controlled ventilation
  if @hash[:demand_controlled_ventilation]
    os_ideal_air.setDemandControlledVentilationType('OccupancySchedule')
  else
    os_ideal_air.setDemandControlledVentilationType('None')
  end

  # set the maximum heating supply air temperature
  if @hash[:heating_air_temperature]
    os_ideal_air.setMaximumHeatingSupplyAirTemperature(@hash[:heating_air_temperature])
  else
    os_ideal_air.setMaximumHeatingSupplyAirTemperature(
      defaults[:heating_air_temperature][:default])
  end

  # set the maximum cooling supply air temperature
  if @hash[:cooling_air_temperature]
    os_ideal_air.setMinimumCoolingSupplyAirTemperature(@hash[:cooling_air_temperature])
  else
    os_ideal_air.setMinimumCoolingSupplyAirTemperature(
      defaults[:cooling_air_temperature][:default])
  end

  # assign limits to the system's heating capacity
  if @hash[:heating_limit] == {:type => 'NoLimit'}
    os_ideal_air.setHeatingLimit('NoLimit')
  else
    os_ideal_air.setHeatingLimit('LimitCapacity')
    if @hash[:heating_limit].is_a? Numeric
      os_ideal_air.setMaximumSensibleHeatingCapacity(@hash[:heating_limit])
    else
      os_ideal_air.autosizeMaximumSensibleHeatingCapacity()
    end
  end

  # assign limits to the system's cooling capacity
  if @hash[:cooling_limit] == {:type => 'NoLimit'}
    os_ideal_air.setCoolingLimit('NoLimit')
  else
    os_ideal_air.setCoolingLimit('LimitFlowRateAndCapacity')
    if @hash[:cooling_limit].is_a? Numeric
      os_ideal_air.setMaximumTotalCoolingCapacity(@hash[:cooling_limit])
      os_ideal_air.autosizeMaximumCoolingAirFlowRate()
    else
      os_ideal_air.autosizeMaximumTotalCoolingCapacity()
      os_ideal_air.autosizeMaximumCoolingAirFlowRate()
    end
  end

  # assign heating availability schedules
  if @hash[:heating_availability]
    schedule = openstudio_model.getScheduleByName(@hash[:heating_availability])
    unless schedule.empty?
      os_schedule = schedule.get
      os_ideal_air.setHeatingAvailabilitySchedule(os_schedule)
    end
  end

  # assign cooling availability schedules
  if @hash[:cooling_availability]
    schedule = openstudio_model.getScheduleByName(@hash[:cooling_availability])
    unless schedule.empty?
      os_schedule = schedule.get
      os_ideal_air.setCoolingAvailabilitySchedule(os_schedule)
    end
  end

  os_ideal_air
end