# Extend the class to add Large Hotel specific stuff
class OpenStudio::Model::Model
def define_space_type_map(building_type, building_vintage, climate_zone)
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']
}
return space_type_map
end
def define_hvac_system_map(building_type, building_vintage, 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
def 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
def custom_hvac_tweaks(building_type, building_vintage, climate_zone, prototype_input)
OpenStudio::logFree(OpenStudio::Info, 'openstudio.model.Model', 'Started building type specific adjustments')
# Add Exhaust Fan
space_type_map = define_space_type_map(building_type, building_vintage, climate_zone)
exhaust_fan_space_types = []
case building_vintage
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 = self.find_object($os_standards['space_types'], {'template'=>building_vintage, '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 #{building_vintage}-#{building_type}-#{space_type_name}")
return false
end
exhaust_schedule = 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 #{building_vintage}-#{building_type}-#{space_type_name}")
return false
end
balanced_exhaust_schedule = add_schedule(space_type_data['balanced_exhaust_fraction_schedule'])
space_names = space_type_map[space_type_name]
space_names.each do |space_name|
space = self.getSpaceByName(space_name).get
thermal_zone = space.thermalZone.get
zone_exhaust_fan = OpenStudio::Model::FanZoneExhaust.new(self)
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 and space_type_data['exhaust_fan_power'].to_f != 0
# Create the electric equipment definition
exhaust_fan_equip_def = OpenStudio::Model::ElectricEquipmentDefinition.new(self)
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 = self.getSpaceByName('Kitchen_Flr_6').get.thermalZone.get.sizingZone
zone_sizing.setCoolingMinimumAirFlowFraction(0.7)
zone_sizing = self.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 #add hvac
# Add the daylighting controls for lobby, cafe, dinning and banquet
def add_daylighting_controls(building_vintage)
space_names = ['Banquet_Flr_6','Dining_Flr_6','Cafe_Flr_1','Lobby_Flr_1']
space_names.each do |space_name|
space = self.getSpaceByName(space_name).get
space.addDaylightingControls(building_vintage, false, false)
end
end
def custom_swh_tweaks(building_type, building_vintage, climate_zone, prototype_input)
return true
end
end