module PrimarySchool

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

Public Instance Methods

add_extra_equip_kitchen(model) click to toggle source

add extra equipment for kitchen

@param model [OpenStudio::Model::Model] OpenStudio model object @return [Boolean] returns true if successful, false if not

# 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) click to toggle source

Type of SAT reset for this building type

@param air_loop_hvac [OpenStudio::Model::AirLoopHVAC] air loop @return [String] Returns type of SAT reset

# 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) click to toggle source

@!group AirTerminalSingleDuctVAVReheat 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

@param air_terminal_single_duct_vav_reheat [OpenStudio::Model::AirTerminalSingleDuctVAVReheat] the air terminal object @param zone_oa_per_area [Double] the zone outdoor air per area in m^3/s*m^2 @return [Boolean] returns true if successful, false if not

# 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) click to toggle source

geometry adjustments specific to the prototype model

@param model [OpenStudio::Model::Model] OpenStudio model object @param building_type [String the building type @param climate_zone [String] ASHRAE climate zone, e.g. ‘ASHRAE 169-2013-4A’ @param prototype_input [Hash] hash of prototype inputs @return [Boolean] returns true if successful, false if not

# 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) click to toggle source

hvac adjustments specific to the prototype model

@param model [OpenStudio::Model::Model] OpenStudio model object @param building_type [String the building type @param climate_zone [String] ASHRAE climate zone, e.g. ‘ASHRAE 169-2013-4A’ @param prototype_input [Hash] hash of prototype inputs @return [Boolean] returns true if successful, false if not

# 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 unless !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) click to toggle source

swh adjustments specific to the prototype model

@param model [OpenStudio::Model::Model] OpenStudio model object @param building_type [String the building type @param climate_zone [String] ASHRAE climate zone, e.g. ‘ASHRAE 169-2013-4A’ @param prototype_input [Hash] hash of prototype inputs @return [Boolean] returns true if successful, false if not

# 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) click to toggle source

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]

@param model [OpenStudio::Model::Model] OpenStudio model object @return [Hash] target zones (key) and source zones (value) and air flow (value)

# 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) click to toggle source

update water heater ambient conditions

@param model [OpenStudio::Model::Model] OpenStudio model object @return [Boolean] returns true if successful, false if not

# 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