Module: MediumOfficeDetailed

Defined in:
lib/openstudio-standards/prototypes/common/buildings/Prototype.MediumOfficeDetailed.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.MediumOfficeDetailed.rb', line 32

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('Lounge_Bot').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' || template == '90.1-2016' || template == '90.1-2019'
      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

#air_terminal_single_duct_vav_reheat_apply_initial_prototype_damper_position(air_terminal_single_duct_vav_reheat, zone_oa_per_area) ⇒ Object 



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# File 'lib/openstudio-standards/prototypes/common/buildings/Prototype.MediumOfficeDetailed.rb', line 134

def air_terminal_single_duct_vav_reheat_apply_initial_prototype_damper_position(air_terminal_single_duct_vav_reheat, zone_oa_per_area)
  min_damper_position = template == '90.1-2010' || template == '90.1-2013' || template == '90.1-2016' || template == '90.1-2019' ? 0.2 : 0.3

  # Set the minimum flow fraction
  air_terminal_single_duct_vav_reheat.setConstantMinimumAirFlowFraction(min_damper_position)

  return true
end

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



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# File 'lib/openstudio-standards/prototypes/common/buildings/Prototype.MediumOfficeDetailed.rb', line 127

def model_custom_geometry_tweaks(building_type, climate_zone, prototype_input, model)
  # Set original building North axis
  model_set_building_north_axis(model, 0.0)

  return true
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.MediumOfficeDetailed.rb', line 5

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 == 'Lobby_Bot'
      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.MediumOfficeDetailed.rb', line 121

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

def model_custom_daylighting_tweaks(building_type, climate_zone, prototype_input, model)

OpenStudio.logFree(OpenStudio::Info, 'openstudio.model.Model', 'Adjusting daylight sensor positions and fractions')

adjustments = [
  { 'stds_spc_type' => 'WholeBuilding - Md Office',
    'sensor_1_frac' => 0.3835,
    'sensor_2_frac' => 0.1395 }
]

# Adjust daylight sensors in each space
model.getSpaces.each do |space|
  next if space.thermalZone.empty?
  zone = space.thermalZone.get
  next if space.spaceType.empty?
  spc_type = space.spaceType.get
  next if spc_type.standardsSpaceType.empty?
  stds_spc_type = spc_type.standardsSpaceType.get
  adjustments.each do |adj|
    next unless adj['stds_spc_type'] == stds_spc_type
    # Adjust the primary sensor
    if adj['sensor_1_frac'] && zone.primaryDaylightingControl.is_initialized
      OpenStudio.logFree(OpenStudio::Info, 'openstudio.model.Model', "For #{zone.name}: Adjusting primary daylight sensor to control #{adj['sensor_1_frac']} of the lighting.")
      zone.setFractionofZoneControlledbyPrimaryDaylightingControl(adj['sensor_1_frac'])
      pri_ctrl = zone.primaryDaylightingControl.get
      if adj['sensor_1_xyz']
        x = adj['sensor_1_xyz'][0]
        y = adj['sensor_1_xyz'][1]
        z = adj['sensor_1_xyz'][2]
        OpenStudio.logFree(OpenStudio::Info, 'openstudio.model.Model', "For #{zone.name}: Adjusting primary daylight sensor position to [#{x}, #{y}, #{z}].")
        pri_ctrl.setPositionXCoordinate(x)
        pri_ctrl.setPositionYCoordinate(y)
        pri_ctrl.setPositionZCoordinate(z)
      end
    end
    # Adjust the secondary sensor
    if adj['sensor_2_frac'] && zone.secondaryDaylightingControl.is_initialized
      OpenStudio.logFree(OpenStudio::Info, 'openstudio.model.Model', "For #{zone.name}: Adjusting secondary daylight sensor to control #{adj['sensor_2_frac']} of the lighting.")
      zone.setFractionofZoneControlledbySecondaryDaylightingControl(adj['sensor_2_frac'])
      sec_ctrl = zone.secondaryDaylightingControl.get
      if adj['sensor_2_xyz']
        x = adj['sensor_2_xyz'][0]
        y = adj['sensor_2_xyz'][1]
        z = adj['sensor_2_xyz'][2]
        OpenStudio.logFree(OpenStudio::Info, 'openstudio.model.Model', "For #{zone.name}: Adjusting secondary daylight sensor position to [#{x}, #{y}, #{z}].")
        sec_ctrl.setPositionXCoordinate(x)
        sec_ctrl.setPositionYCoordinate(y)
        sec_ctrl.setPositionZCoordinate(z)
      end
    end
  end
end
return true

end



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# File 'lib/openstudio-standards/prototypes/common/buildings/Prototype.MediumOfficeDetailed.rb', line 111

def update_waterheater_loss_coefficient(model)
  case template
    when '90.1-2004', '90.1-2007', '90.1-2010', '90.1-2013', '90.1-2016', '90.1-2019', 'NECB2011'
      model.getWaterHeaterMixeds.sort.each do |water_heater|
        water_heater.setOffCycleLossCoefficienttoAmbientTemperature(7.561562668)
        water_heater.setOnCycleLossCoefficienttoAmbientTemperature(7.561562668)
      end
  end
end