Module: PrimarySchool

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

Overview

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

AirTerminalSingleDuctVAVReheat collapse

Instance Method Summary collapse

Instance Method Details

#add_extra_equip_kitchen(model) ⇒ Boolean

add extra equipment for kitchen

Parameters:

  • model (OpenStudio::Model::Model) —

    OpenStudio model object

Returns:

  • (Boolean) —

    returns true if successful, false if not



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# File 'lib/openstudio-standards/prototypes/common/buildings/Prototype.PrimarySchool.rb', line 42

def add_extra_equip_kitchen(model)
  kitchen_space = model.getSpaceByName('Kitchen_ZN_1_FLR_1')
  kitchen_space = kitchen_space.get
  kitchen_space_type = kitchen_space.spaceType.get
  elec_equip_def1 = OpenStudio::Model::ElectricEquipmentDefinition.new(model)
  elec_equip_def2 = OpenStudio::Model::ElectricEquipmentDefinition.new(model)
  elec_equip_def1.setName('Kitchen Electric Equipment Definition1')
  elec_equip_def2.setName('Kitchen Electric Equipment Definition2')
  case template
    when '90.1-2004', '90.1-2007', '90.1-2010', '90.1-2013', '90.1-2016', '90.1-2019'
      elec_equip_def1.setFractionLatent(0)
      elec_equip_def1.setFractionRadiant(0.25)
      elec_equip_def1.setFractionLost(0)
      elec_equip_def2.setFractionLatent(0)
      elec_equip_def2.setFractionRadiant(0.25)
      elec_equip_def2.setFractionLost(0)
      if template == '90.1-2013' || template == '90.1-2016'
        elec_equip_def1.setDesignLevel(915)
        elec_equip_def2.setDesignLevel(570)
      elsif template == '90.1-2019'
        elec_equip_def1.setDesignLevel(555)
        elec_equip_def2.setDesignLevel(313.3)
      else
        elec_equip_def1.setDesignLevel(1032)
        elec_equip_def2.setDesignLevel(852)
      end
      # Create the electric equipment instance and hook it up to the space type
      elec_equip1 = OpenStudio::Model::ElectricEquipment.new(elec_equip_def1)
      elec_equip2 = OpenStudio::Model::ElectricEquipment.new(elec_equip_def2)
      elec_equip1.setName('Kitchen_Reach-in-Freezer')
      elec_equip2.setName('Kitchen_Reach-in-Refrigerator')
      elec_equip1.setSpaceType(kitchen_space_type)
      elec_equip2.setSpaceType(kitchen_space_type)
      elec_equip1.setSchedule(model_add_schedule(model, 'SchoolPrimary ALWAYS_ON'))
      elec_equip2.setSchedule(model_add_schedule(model, 'SchoolPrimary ALWAYS_ON'))
  end
  return true
end

#air_loop_hvac_supply_air_temperature_reset_type(air_loop_hvac) ⇒ String

Type of SAT reset for this building type

Parameters:

  • air_loop_hvac (OpenStudio::Model::AirLoopHVAC) —

    air loop

Returns:

  • (String) —

    Returns type of SAT reset



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# File 'lib/openstudio-standards/prototypes/common/buildings/Prototype.PrimarySchool.rb', line 142

def air_loop_hvac_supply_air_temperature_reset_type(air_loop_hvac)
  return 'oa'
end

#air_terminal_single_duct_vav_reheat_apply_initial_prototype_damper_position(air_terminal_single_duct_vav_reheat, zone_oa_per_area) ⇒ Boolean

Set the initial minimum damper position based on OA rate of the space and the template. Zones with low OA per area get lower initial guesses. Final position will be adjusted upward as necessary by Standards.AirLoopHVAC.apply_minimum_vav_damper_positions

Parameters:

  • air_terminal_single_duct_vav_reheat (OpenStudio::Model::AirTerminalSingleDuctVAVReheat) —

    the air terminal object

  • zone_oa_per_area (Double) —

    the zone outdoor air per area in m^3/s*m^2

Returns:

  • (Boolean) —

    returns true if successful, false if not



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# File 'lib/openstudio-standards/prototypes/common/buildings/Prototype.PrimarySchool.rb', line 129

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(model, building_type, climate_zone, prototype_input) ⇒ Boolean

geometry adjustments specific to the prototype model

Parameters:

  • model (OpenStudio::Model::Model) —

    OpenStudio model object

  • building_type (String the building type) —

    uilding_type [String the building type

  • climate_zone (String) —

    ASHRAE climate zone, e.g. ‘ASHRAE 169-2013-4A’

  • prototype_input (Hash) —

    hash of prototype inputs

Returns:

  • (Boolean) —

    returns true if successful, false if not



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# File 'lib/openstudio-standards/prototypes/common/buildings/Prototype.PrimarySchool.rb', line 115

def model_custom_geometry_tweaks(model, building_type, climate_zone, prototype_input)
  # Set original building North axis
  OpenstudioStandards::Geometry.model_set_building_north_axis(model, 0.0)
  return true
end

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

hvac adjustments specific to the prototype model

Parameters:

  • model (OpenStudio::Model::Model) —

    OpenStudio model object

  • building_type (String the building type) —

    uilding_type [String the building type

  • climate_zone (String) —

    ASHRAE climate zone, e.g. ‘ASHRAE 169-2013-4A’

  • prototype_input (Hash) —

    hash of prototype inputs

Returns:

  • (Boolean) —

    returns true if successful, false if not



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# File 'lib/openstudio-standards/prototypes/common/buildings/Prototype.PrimarySchool.rb', line 11

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

  # add transformer
  # efficiency based on a 113 kVA transformer
  case template
  when '90.1-2004', '90.1-2007'
    transformer_efficiency = 0.969
  when '90.1-2010', '90.1-2013'
    transformer_efficiency = 0.982
  when '90.1-2016', '90.1-2019'
    transformer_efficiency = 0.987
  else
    transformer_efficiency = nil
  end
  return true if transformer_efficiency.nil?

  model_add_transformer(model,
                        wired_lighting_frac: 0.0119,
                        transformer_size: 112500,
                        transformer_efficiency: transformer_efficiency)

  # add extra equipment for kitchen
  add_extra_equip_kitchen(model)
  return true
end

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

swh adjustments specific to the prototype model

Parameters:

  • model (OpenStudio::Model::Model) —

    OpenStudio model object

  • building_type (String the building type) —

    uilding_type [String the building type

  • climate_zone (String) —

    ASHRAE climate zone, e.g. ‘ASHRAE 169-2013-4A’

  • prototype_input (Hash) —

    hash of prototype inputs

Returns:

  • (Boolean) —

    returns true if successful, false if not



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# File 'lib/openstudio-standards/prototypes/common/buildings/Prototype.PrimarySchool.rb', line 103

def model_custom_swh_tweaks(model, building_type, climate_zone, prototype_input)
  update_waterheater_ambient_parameters(model)
  return true
end

#model_transfer_air_target_and_source_zones(model) ⇒ Hash

List transfer air target and source zones, and air flow (cfm) code_sections [90.1-2019_6.5.7.1], [90.1-2016_6.5.7.1]

Parameters:

  • model (OpenStudio::Model::Model) —

    OpenStudio model object

Returns:

  • (Hash) —

    target zones (key) and source zones (value) and air flow (value)



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# File 'lib/openstudio-standards/prototypes/common/buildings/Prototype.PrimarySchool.rb', line 151

def model_transfer_air_target_and_source_zones(model)
  model_transfer_air_target_and_source_zones_hash = {
    'Bath_ZN_1_FLR_1 ZN' => ['Library_Media_Center_ZN_1_FLR_1 ZN', 600.0]
  }
  return model_transfer_air_target_and_source_zones_hash
end

#update_waterheater_ambient_parameters(model) ⇒ Boolean

update water heater ambient conditions

Parameters:

  • model (OpenStudio::Model::Model) —

    OpenStudio model object

Returns:

  • (Boolean) —

    returns true if successful, false if not



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# File 'lib/openstudio-standards/prototypes/common/buildings/Prototype.PrimarySchool.rb', line 85

def update_waterheater_ambient_parameters(model)
  model.getWaterHeaterMixeds.sort.each do |water_heater|
    if water_heater.name.to_s.include?('Booster')
      water_heater.resetAmbientTemperatureSchedule
      water_heater.setAmbientTemperatureIndicator('ThermalZone')
      water_heater.setAmbientTemperatureThermalZone(model.getThermalZoneByName('Kitchen_ZN_1_FLR_1 ZN').get)
    end
  end
  return true
end