Module: PrototypeBuilding::LargeHotel

Defined in:
lib/openstudio-standards/prototypes/Prototype.large_hotel.rb

Class Method Summary collapse

Class Method Details

.custom_hvac_tweaks(building_type, template, climate_zone, prototype_input, model) ⇒ Object 



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# File 'lib/openstudio-standards/prototypes/Prototype.large_hotel.rb', line 117

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

  # Add Exhaust Fan
  space_type_map = define_space_type_map(building_type, template, climate_zone)
  exhaust_fan_space_types = []
  case template
  when '90.1-2004', '90.1-2007'
    exhaust_fan_space_types = ['Kitchen', 'Laundry']
  else
    exhaust_fan_space_types = ['Banquet', 'Kitchen', 'Laundry']
  end

  exhaust_fan_space_types.each do |space_type_name|
    space_type_data = model.find_object($os_standards['space_types'], 'template' => template, 'building_type' => building_type, 'space_type' => space_type_name)
    if space_type_data.nil?
      OpenStudio.logFree(OpenStudio::Error, 'openstudio.model.Model', "Unable to find space type #{template}-#{building_type}-#{space_type_name}")
      return false
    end

    exhaust_schedule = model.add_schedule(space_type_data['exhaust_schedule'])
    if exhaust_schedule.class.to_s == 'NilClass'
      OpenStudio.logFree(OpenStudio::Error, 'openstudio.model.Model', "Unable to find Exhaust Schedule for space type #{template}-#{building_type}-#{space_type_name}")
      return false
    end

    balanced_exhaust_schedule = model.add_schedule(space_type_data['balanced_exhaust_fraction_schedule'])

    space_names = space_type_map[space_type_name]
    space_names.each do |space_name|
      space = model.getSpaceByName(space_name).get
      thermal_zone = space.thermalZone.get

      zone_exhaust_fan = OpenStudio::Model::FanZoneExhaust.new(model)
      zone_exhaust_fan.setName(space.name.to_s + ' Exhaust Fan')
      zone_exhaust_fan.setAvailabilitySchedule(exhaust_schedule)
      zone_exhaust_fan.setFanEfficiency(space_type_data['exhaust_fan_efficiency'])
      zone_exhaust_fan.setPressureRise(space_type_data['exhaust_fan_pressure_rise'])
      maximum_flow_rate = OpenStudio.convert(space_type_data['exhaust_fan_maximum_flow_rate'], 'cfm', 'm^3/s').get

      zone_exhaust_fan.setMaximumFlowRate(maximum_flow_rate)
      if balanced_exhaust_schedule.class.to_s != 'NilClass'
        zone_exhaust_fan.setBalancedExhaustFractionSchedule(balanced_exhaust_schedule)
      end
      zone_exhaust_fan.setEndUseSubcategory('Zone Exhaust Fans')
      zone_exhaust_fan.addToThermalZone(thermal_zone)

      if !space_type_data['exhaust_fan_power'].nil? && space_type_data['exhaust_fan_power'].to_f.nonzero?
        # Create the electric equipment definition
        exhaust_fan_equip_def = OpenStudio::Model::ElectricEquipmentDefinition.new(model)
        exhaust_fan_equip_def.setName("#{space_name} Electric Equipment Definition")
        exhaust_fan_equip_def.setDesignLevel(space_type_data['exhaust_fan_power'].to_f)
        exhaust_fan_equip_def.setFractionLatent(0)
        exhaust_fan_equip_def.setFractionRadiant(0)
        exhaust_fan_equip_def.setFractionLost(1)

        # Create the electric equipment instance and hook it up to the space type
        exhaust_fan_elec_equip = OpenStudio::Model::ElectricEquipment.new(exhaust_fan_equip_def)
        exhaust_fan_elec_equip.setName("#{space_name} Exhaust Fan Equipment")
        exhaust_fan_elec_equip.setSchedule(exhaust_schedule)
        exhaust_fan_elec_equip.setSpaceType(space.spaceType.get)
      end
    end
  end

  # Update Sizing Zone
  zone_sizing = model.getSpaceByName('Kitchen_Flr_6').get.thermalZone.get.sizingZone
  zone_sizing.setCoolingMinimumAirFlowFraction(0.7)

  zone_sizing = model.getSpaceByName('Laundry_Flr_1').get.thermalZone.get.sizingZone
  zone_sizing.setCoolingMinimumAirFlow(0.23567919336)

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

  return true
end

.custom_swh_tweaks(building_type, template, climate_zone, prototype_input, model) ⇒ Object 



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# File 'lib/openstudio-standards/prototypes/Prototype.large_hotel.rb', line 203

def self.custom_swh_tweaks(building_type, template, climate_zone, prototype_input, model)
  return true
end

.define_hvac_system_map(building_type, template, climate_zone) ⇒ Object 



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# File 'lib/openstudio-standards/prototypes/Prototype.large_hotel.rb', line 47

def self.define_hvac_system_map(building_type, template, climate_zone)
  system_to_space_map = [
    {
      'type' => 'VAV',
      'name' => 'VAV WITH REHEAT',
      'space_names' =>
        ['Basement', 'Retail_1_Flr_1', 'Retail_2_Flr_1', 'Mech_Flr_1', 'Storage_Flr_1', 'Laundry_Flr_1', 'Cafe_Flr_1', 'Lobby_Flr_1', 'Corridor_Flr_3', 'Banquet_Flr_6', 'Dining_Flr_6', 'Corridor_Flr_6', 'Kitchen_Flr_6']
    },
    {
      'type' => 'DOAS',
      'space_names' =>
        ['Room_1_Flr_3', 'Room_2_Flr_3', 'Room_3_Mult19_Flr_3', 'Room_4_Mult19_Flr_3', 'Room_5_Flr_3', 'Room_6_Flr_3', 'Room_1_Flr_6', 'Room_2_Flr_6', 'Room_3_Mult9_Flr_6']
    },
    {
      'type' => 'Refrigeration',
      'case_type' => 'Walkin Freezer',
      'cooling_capacity_per_length' => 367.0,
      'length' => 7.32,
      'evaporator_fan_pwr_per_length' => 34.0,
      'lighting_per_length' => 16.4,
      'lighting_sch_name' => 'HotelLarge BLDG_LIGHT_SCH',
      'defrost_pwr_per_length' => 273.0,
      'restocking_sch_name' => 'HotelLarge Kitchen_Flr_6_Case:1_WALKINFREEZER_WalkInStockingSched',
      'cop' => 1.5,
      'cop_f_of_t_curve_name' => 'RACK1_RackCOPfTCurve',
      'condenser_fan_pwr' => 350.0,
      'condenser_fan_pwr_curve_name' => 'RACK1_RackCondFanCurve2',
      'space_names' =>
        [
          'Kitchen_Flr_6'
        ]
    },
    {
      'type' => 'Refrigeration',
      'case_type' => 'Display Case',
      'cooling_capacity_per_length' => 734.0,
      'length' => 3.66,
      'evaporator_fan_pwr_per_length' => 55.0,
      'lighting_per_length' => 33.0,
      'lighting_sch_name' => 'HotelLarge BLDG_LIGHT_SCH',
      'defrost_pwr_per_length' => 0.0,
      'restocking_sch_name' => 'HotelLarge Kitchen_Flr_6_Case:2_SELFCONTAINEDDISPLAYCASE_CaseStockingSched',
      'cop' => 3.0,
      'cop_f_of_t_curve_name' => 'RACK2_RackCOPfTCurve',
      'condenser_fan_pwr' => 750.0,
      'condenser_fan_pwr_curve_name' => 'RACK1_RackCondFanCurve2',
      'space_names' =>
        [
          'Kitchen_Flr_6'
        ]
    }
  ]
  return system_to_space_map
end

.define_space_multiplier ⇒ Object 



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# File 'lib/openstudio-standards/prototypes/Prototype.large_hotel.rb', line 102

def self.define_space_multiplier
  # This map define the multipliers for spaces with multipliers not equals to 1
  space_multiplier_map = {
    'Room_1_Flr_3' => 4,
    'Room_2_Flr_3' => 4,
    'Room_3_Mult19_Flr_3' => 76,
    'Room_4_Mult19_Flr_3' => 76,
    'Room_5_Flr_3' => 4,
    'Room_6_Flr_3' => 4,
    'Corridor_Flr_3' => 4,
    'Room_3_Mult9_Flr_6' => 9
  }
  return space_multiplier_map
end

.define_space_type_map(building_type, template, climate_zone) ⇒ Object 



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# File 'lib/openstudio-standards/prototypes/Prototype.large_hotel.rb', line 5

def self.define_space_type_map(building_type, template, climate_zone)
  space_type_map = nil
  case template
  when 'NECB 2011'
    # Building Schedule
    sch = 'E'
    space_type_map = {
      'Hotel/Motel - dining' => ['Banquet_Flr_6', 'Dining_Flr_6'],
      'Storage area' => ['Basement', 'Storage_Flr_1'],
      'Retail - mall concourse' => ['Cafe_Flr_1'],
      "Corr. >= 2.4m wide-sch-#{sch}" => ['Corridor_Flr_3', 'Corridor_Flr_6'],
      'Food preparation' => ['Kitchen_Flr_6'],
      'Hospital - laundry/washing' => ['Laundry_Flr_1'],
      'Hotel/Motel - lobby' => ['Lobby_Flr_1'],
      "Electrical/Mechanical-sch-#{sch}" => ['Mech_Flr_1'],
      'Retail - sales' => ['Retail_1_Flr_1', 'Retail_2_Flr_1'],
      'Hotel/Motel - rooms' => ['Room_1_Flr_3', 'Room_1_Flr_6', 'Room_2_Flr_3', 'Room_2_Flr_6', 'Room_3_Mult19_Flr_3', 'Room_3_Mult9_Flr_6', 'Room_4_Mult19_Flr_3', 'Room_5_Flr_3', 'Room_6_Flr_3']
    }
  else
    space_type_map = {
      'Banquet' => ['Banquet_Flr_6', 'Dining_Flr_6'],
      'Basement' => ['Basement'],
      'Cafe' => ['Cafe_Flr_1'],
      'Corridor' => ['Corridor_Flr_6'],
      'Corridor2' => ['Corridor_Flr_3'],
      'GuestRoom' => ['Room_1_Flr_3', 'Room_2_Flr_3', 'Room_5_Flr_3', 'Room_6_Flr_3'],
      'GuestRoom2' => ['Room_3_Mult19_Flr_3', 'Room_4_Mult19_Flr_3'],
      'GuestRoom3' => ['Room_1_Flr_6', 'Room_2_Flr_6'],
      'GuestRoom4' => ['Room_3_Mult9_Flr_6'],
      'Kitchen' => ['Kitchen_Flr_6'],
      'Laundry' => ['Laundry_Flr_1'],
      'Lobby' => ['Lobby_Flr_1'],
      'Mechanical' => ['Mech_Flr_1'],
      'Retail' => ['Retail_1_Flr_1'],
      'Retail2' => ['Retail_2_Flr_1'],
      'Storage' => ['Storage_Flr_1']
    }
  end

  return space_type_map
end

.large_hotel_add_daylighting_controls(template, model) ⇒ Object

Add the daylighting controls for lobby, cafe, dinning and banquet



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# File 'lib/openstudio-standards/prototypes/Prototype.large_hotel.rb', line 195

def self.large_hotel_add_daylighting_controls(template, model)
  space_names = ['Banquet_Flr_6', 'Dining_Flr_6', 'Cafe_Flr_1', 'Lobby_Flr_1']
  space_names.each do |space_name|
    space = model.getSpaceByName(space_name).get
    space.add_daylighting_controls(template, false, false)
  end
end