Module: FullServiceRestaurant

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

Overview

Custom changes for the FullServiceRestaurant 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.FullServiceRestaurant.rb', line 29

def add_door_infiltration(climate_zone, model)
  # add extra infiltration for dining room door and attic (there is no attic in 'DOE Ref Pre-1980')
  unless template == 'DOE Ref 1980-2004' || template == 'DOE Ref Pre-1980' || template == 'NECB2011'
    dining_space = model.getSpaceByName('Dining').get
    attic_space = model.getSpaceByName('Attic').get
    infiltration_diningdoor = OpenStudio::Model::SpaceInfiltrationDesignFlowRate.new(model)
    infiltration_attic = OpenStudio::Model::SpaceInfiltrationDesignFlowRate.new(model)
    infiltration_diningdoor.setName('Dining door Infiltration')
    infiltration_per_zone_diningdoor = 0
    infiltration_per_zone_attic = 0.2378
    if template == '90.1-2004'
      infiltration_per_zone_diningdoor = 0.614474994
      infiltration_diningdoor.setSchedule(model_add_schedule(model, 'RestaurantSitDown DOOR_INFIL_SCH'))
    elsif template == '90.1-2007'
      case climate_zone
        when 'ASHRAE 169-2006-1A', 'ASHRAE 169-2006-2A', 'ASHRAE 169-2006-2B', 'ASHRAE 169-2006-3A', 'ASHRAE 169-2006-3B',
            'ASHRAE 169-2006-3C', 'ASHRAE 169-2006-4A', 'ASHRAE 169-2006-4B', 'ASHRAE 169-2006-4C'
          infiltration_per_zone_diningdoor = 0.614474994
          infiltration_diningdoor.setSchedule(model_add_schedule(model, 'RestaurantSitDown DOOR_INFIL_SCH'))
        else
          infiltration_per_zone_diningdoor = 0.389828222
          infiltration_diningdoor.setSchedule(model_add_schedule(model, 'RestaurantSitDown VESTIBULE_DOOR_INFIL_SCH'))
      end
    elsif template == '90.1-2010' || template == '90.1-2013'
      case climate_zone
        when 'ASHRAE 169-2006-1A', 'ASHRAE 169-2006-2A', 'ASHRAE 169-2006-2B', 'ASHRAE 169-2006-3A', 'ASHRAE 169-2006-3B', 'ASHRAE 169-2006-3C'
          infiltration_per_zone_diningdoor = 0.614474994
          infiltration_diningdoor.setSchedule(model_add_schedule(model, 'RestaurantSitDown DOOR_INFIL_SCH'))
        else
          infiltration_per_zone_diningdoor = 0.389828222
          infiltration_diningdoor.setSchedule(model_add_schedule(model, 'RestaurantSitDown VESTIBULE_DOOR_INFIL_SCH'))
      end
    end
    infiltration_diningdoor.setDesignFlowRate(infiltration_per_zone_diningdoor)
    infiltration_diningdoor.setSpace(dining_space)
    infiltration_attic.setDesignFlowRate(infiltration_per_zone_attic)
    infiltration_attic.setSchedule(model_add_schedule(model, 'Always On'))
    infiltration_attic.setSpace(attic_space)
  end
end

#add_extra_equip_kitchen(model) ⇒ Object

add extra equipment for kitchen


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# File 'lib/openstudio-standards/prototypes/common/buildings/Prototype.FullServiceRestaurant.rb', line 109

def add_extra_equip_kitchen(model)
  kitchen_space = model.getSpaceByName('Kitchen')
  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'
      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'
        elec_equip_def1.setDesignLevel(457.5)
        elec_equip_def2.setDesignLevel(570)
      else
        elec_equip_def1.setDesignLevel(515.917)
        elec_equip_def2.setDesignLevel(851.67)
      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, 'RestaurantSitDown ALWAYS_ON'))
      elec_equip2.setSchedule(model_add_schedule(model, 'RestaurantSitDown ALWAYS_ON'))
    when 'DOE Ref Pre-1980', 'DOE Ref 1980-2004'
      elec_equip_def1.setDesignLevel(699)
      elec_equip_def1.setFractionLatent(0)
      elec_equip_def1.setFractionRadiant(0)
      elec_equip_def1.setFractionLost(1)      # Create the electric equipment instance and hook it up to the space type

      elec_equip1 = OpenStudio::Model::ElectricEquipment.new(elec_equip_def1)
      elec_equip1.setName('Kitchen_ExhFan_Equip')
      elec_equip1.setSpaceType(kitchen_space_type)
      elec_equip1.setSchedule(model_add_schedule(model, 'RestaurantSitDown Kitchen_Exhaust_SCH'))
  end
end

#add_zone_mixing(model) ⇒ Object


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# File 'lib/openstudio-standards/prototypes/common/buildings/Prototype.FullServiceRestaurant.rb', line 88

def add_zone_mixing(model)
  # add zone_mixing between kitchen and dining
  space_kitchen = model.getSpaceByName('Kitchen').get
  zone_kitchen = space_kitchen.thermalZone.get
  space_dining = model.getSpaceByName('Dining').get
  zone_dining = space_dining.thermalZone.get
  zone_mixing_kitchen = OpenStudio::Model::ZoneMixing.new(zone_kitchen)
  zone_mixing_kitchen.setSchedule(model_add_schedule(model, 'RestaurantSitDown Hours_of_operation'))
  case template
    when 'DOE Ref Pre-1980', 'DOE Ref 1980-2004'
      zone_mixing_kitchen.setDesignFlowRate(1.828)
    when '90.1-2007', '90.1-2010', '90.1-2013'
      zone_mixing_kitchen.setDesignFlowRate(1.33143208)
    when '90.1-2004'
      zone_mixing_kitchen.setDesignFlowRate(2.64397817)
  end
  zone_mixing_kitchen.setSourceZone(zone_dining)
  zone_mixing_kitchen.setDeltaTemperature(0)
end

#adjust_clg_setpoint(climate_zone, model) ⇒ Object


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# File 'lib/openstudio-standards/prototypes/common/buildings/Prototype.FullServiceRestaurant.rb', line 173

def adjust_clg_setpoint(climate_zone, model)
  ['Dining', 'Kitchen'].each do |space_name|
    space_type_name = model.getSpaceByName(space_name).get.spaceType.get.name.get
    thermostat_name = space_type_name + ' Thermostat'
    thermostat = model.getThermostatSetpointDualSetpointByName(thermostat_name).get
    case template
      when '90.1-2004', '90.1-2007', '90.1-2010'
        if climate_zone == 'ASHRAE 169-2006-2B' || climate_zone == 'ASHRAE 169-2006-1B' || climate_zone == 'ASHRAE 169-2006-3B'
          case space_name
            when 'Dining'
              thermostat.setCoolingSetpointTemperatureSchedule(model_add_schedule(model, 'RestaurantSitDown CLGSETP_SCH_NO_OPTIMUM'))
            when 'Kitchen'
              thermostat.setCoolingSetpointTemperatureSchedule(model_add_schedule(model, 'RestaurantSitDown CLGSETP_KITCHEN_SCH_NO_OPTIMUM'))
          end
        end
    end
  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.FullServiceRestaurant.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')

  # add extra equipment for kitchen
  add_extra_equip_kitchen(model)  # add extra infiltration for dining room door and attic

  add_door_infiltration(climate_zone, model)  # add zone_mixing between kitchen and dining

  add_zone_mixing(model)  # Update Sizing Zone

  update_sizing_zone(model)  # adjust the cooling setpoint

  adjust_clg_setpoint(climate_zone, model)  # reset the design OA of kitchen

  reset_kitchen_oa(model)

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

  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.FullServiceRestaurant.rb', line 225

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

  return true
end

#model_update_exhaust_fan_efficiency(model) ⇒ Object


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# File 'lib/openstudio-standards/prototypes/common/buildings/Prototype.FullServiceRestaurant.rb', line 70

def model_update_exhaust_fan_efficiency(model)
  case template
    when '90.1-2004', '90.1-2007', '90.1-2010', '90.1-2013'
      model.getFanZoneExhausts.sort.each do |exhaust_fan|
        fan_name = exhaust_fan.name.to_s
        if fan_name.include? 'Dining'
          exhaust_fan.setFanEfficiency(1)
          exhaust_fan.setPressureRise(0)
        end
      end
    when 'DOE Ref Pre-1980', 'DOE Ref 1980-2004'
      model.getFanZoneExhausts.sort.each do |exhaust_fan|
        exhaust_fan.setFanEfficiency(1)
        exhaust_fan.setPressureRise(0.000001)
      end
  end
end

#reset_kitchen_oa(model) ⇒ Object

In order to provide sufficient OSA to replace exhaust flow through kitchen hoods (3,300 cfm), modeled OSA to kitchen is different from OSA determined based on ASHRAE 62.1. It takes into account the available OSA in dining as transfer air.


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# File 'lib/openstudio-standards/prototypes/common/buildings/Prototype.FullServiceRestaurant.rb', line 195

def reset_kitchen_oa(model)
  space_kitchen = model.getSpaceByName('Kitchen').get
  ventilation = space_kitchen.designSpecificationOutdoorAir.get
  ventilation.setOutdoorAirFlowperPerson(0)
  ventilation.setOutdoorAirFlowperFloorArea(0)
  case template
    when '90.1-2010', '90.1-2013'
      ventilation.setOutdoorAirFlowRate(1.21708392)
    when '90.1-2007'
      ventilation.setOutdoorAirFlowRate(1.50025792)
    when '90.1-2004'
      ventilation.setOutdoorAirFlowRate(1.87711831)
  end
end

#update_sizing_zone(model) ⇒ Object


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# File 'lib/openstudio-standards/prototypes/common/buildings/Prototype.FullServiceRestaurant.rb', line 154

def update_sizing_zone(model)
  case template
    when '90.1-2007', '90.1-2010', '90.1-2013'
      zone_sizing = model.getSpaceByName('Dining').get.thermalZone.get.sizingZone
      zone_sizing.setCoolingDesignAirFlowMethod('DesignDayWithLimit')
      zone_sizing.setCoolingMinimumAirFlowperZoneFloorArea(0.003581176)
      zone_sizing = model.getSpaceByName('Kitchen').get.thermalZone.get.sizingZone
      zone_sizing.setCoolingDesignAirFlowMethod('DesignDayWithLimit')
      zone_sizing.setCoolingMinimumAirFlowperZoneFloorArea(0)
    when '90.1-2004'
      zone_sizing = model.getSpaceByName('Dining').get.thermalZone.get.sizingZone
      zone_sizing.setCoolingDesignAirFlowMethod('DesignDayWithLimit')
      zone_sizing.setCoolingMinimumAirFlowperZoneFloorArea(0.007111554)
      zone_sizing = model.getSpaceByName('Kitchen').get.thermalZone.get.sizingZone
      zone_sizing.setCoolingDesignAirFlowMethod('DesignDayWithLimit')
      zone_sizing.setCoolingMinimumAirFlowperZoneFloorArea(0)
  end
end

#update_waterheater_loss_coefficient(model) ⇒ Object


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# File 'lib/openstudio-standards/prototypes/common/buildings/Prototype.FullServiceRestaurant.rb', line 210

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|
        if water_heater.name.to_s.include?('Booster')
          water_heater.setOffCycleLossCoefficienttoAmbientTemperature(1.053159296)
          water_heater.setOnCycleLossCoefficienttoAmbientTemperature(1.053159296)
        else
          water_heater.setOffCycleLossCoefficienttoAmbientTemperature(9.643286505)
          water_heater.setOnCycleLossCoefficienttoAmbientTemperature(9.643286505)
        end
      end
  end
end