Module: MediumOffice

Defined in:
lib/openstudio-standards/prototypes/common/buildings/Prototype.MediumOffice.rb

Overview

Custom changes for the MediumOffice prototype. These are changes that are inconsistent with other prototype building types.

Instance Method Summary collapse

Instance Method Details

#add_door_infiltration(climate_zone, model) ⇒ Object

add hvac


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# File 'lib/openstudio-standards/prototypes/common/buildings/Prototype.MediumOffice.rb', line 33

def add_door_infiltration(climate_zone, model)
  # add extra infiltration for entry door in m3/s (there is no attic in 'DOE Ref Pre-1980')
  unless template == 'DOE Ref 1980-2004' || template == 'DOE Ref Pre-1980'
    entry_space = model.getSpaceByName('Perimeter_bot_ZN_1').get
    infiltration_entrydoor = OpenStudio::Model::SpaceInfiltrationDesignFlowRate.new(model)
    infiltration_entrydoor.setName('entry door Infiltration')
    infiltration_per_zone_entrydoor = 0
    if template == '90.1-2004'
      infiltration_per_zone_entrydoor = 1.04300287
      infiltration_entrydoor.setSchedule(model_add_schedule(model, 'OfficeMedium INFIL_Door_Opening_SCH'))
    elsif template == '90.1-2007' || template == '90.1-2010' || template == '90.1-2013'
      case climate_zone
        when 'ASHRAE 169-2006-1A', 'ASHRAE 169-2006-2A', 'ASHRAE 169-2006-1B', 'ASHRAE 169-2006-2B'
          infiltration_per_zone_entrydoor = 1.04300287
          infiltration_entrydoor.setSchedule(model_add_schedule(model, 'OfficeMedium INFIL_Door_Opening_SCH'))
        else
          infiltration_per_zone_entrydoor = 0.678659786
          infiltration_entrydoor.setSchedule(model_add_schedule(model, 'OfficeMedium INFIL_Door_Opening_SCH'))
      end
    end
    infiltration_entrydoor.setDesignFlowRate(infiltration_per_zone_entrydoor)
    infiltration_entrydoor.setSpace(entry_space)
  end
end

#model_custom_hvac_tweaks(building_type, climate_zone, prototype_input, model) ⇒ Object


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# File 'lib/openstudio-standards/prototypes/common/buildings/Prototype.MediumOffice.rb', line 6

def model_custom_hvac_tweaks(building_type, climate_zone, prototype_input, model)
  OpenStudio.logFree(OpenStudio::Info, 'openstudio.model.Model', 'Started building type specific adjustments')

  model.getSpaces.sort.each do |space|
    if space.name.get.to_s == 'Core_bottom'
      model_add_elevator(model,
                         space,
                         prototype_input['number_of_elevators'],
                         prototype_input['elevator_type'],
                         prototype_input['elevator_schedule'],
                         prototype_input['elevator_fan_schedule'],
                         prototype_input['elevator_fan_schedule'],
                         building_type)
    end
  end

  OpenStudio.logFree(OpenStudio::Info, 'openstudio.model.Model', 'Finished building type specific adjustments')

  # add extra infiltration for entry door
  add_door_infiltration(climate_zone, model)
  OpenStudio.logFree(OpenStudio::Info, 'openstudio.model.Model', 'Added door infiltration')

  return true
end

#model_custom_swh_tweaks(model, building_type, climate_zone, prototype_input) ⇒ Object


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# File 'lib/openstudio-standards/prototypes/common/buildings/Prototype.MediumOffice.rb', line 68

def model_custom_swh_tweaks(model, building_type, climate_zone, prototype_input)
  update_waterheater_loss_coefficient(model)

  return true
end

#update_waterheater_loss_coefficient(model) ⇒ Object


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# File 'lib/openstudio-standards/prototypes/common/buildings/Prototype.MediumOffice.rb', line 58

def update_waterheater_loss_coefficient(model)
  case template
    when '90.1-2004', '90.1-2007', '90.1-2010', '90.1-2013', 'NECB2011'
      model.getWaterHeaterMixeds.sort.each do |water_heater|
        water_heater.setOffCycleLossCoefficienttoAmbientTemperature(7.561562668)
        water_heater.setOnCycleLossCoefficienttoAmbientTemperature(7.561562668)
      end
  end
end