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



29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
 
# 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



109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
 
# 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 



88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
 
# 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 



173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
 
# 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 



6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
 
# 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 



225
226
227
228
229
 
# 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 



70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
 
# 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.



195
196
197
198
199
200
201
202
203
204
205
206
207
208
 
# 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 



154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
 
# 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 



210
211
212
213
214
215
216
217
218
219
220
221
222
223
 
# 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