Module: RetailStripmall

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

Overview

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

Instance Method Summary collapse

Instance Method Details

#model_custom_hvac_tweaks(building_type, climate_zone, prototype_input, model) ⇒ Object 



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# File 'lib/openstudio-standards/prototypes/common/buildings/Prototype.RetailStripmall.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')

  system_to_space_map = define_hvac_system_map(building_type, climate_zone)

  # Add infiltration door opening
  # Spaces names to design infiltration rates (m3/s)
  case template
    when '90.1-2004', '90.1-2007', '90.1-2010', '90.1-2013'
      door_infiltration_map = { ['LGstore1', 'LGstore2'] => 0.388884328,
                                ['SMstore1', 'SMstore2', 'SMstore3', 'SMstore4', 'SMstore5', 'SMstore6', 'SMstore7', 'SMstore8'] => 0.222287037 }

      door_infiltration_map.each_pair do |space_names, infiltration_design_flowrate|
        space_names.each do |space_name|
          space = model.getSpaceByName(space_name).get
          # Create the infiltration object and hook it up to the space type
          infiltration = OpenStudio::Model::SpaceInfiltrationDesignFlowRate.new(model)
          infiltration.setName("#{space_name} Door Open Infiltration")
          infiltration.setSpace(space)
          infiltration.setDesignFlowRate(infiltration_design_flowrate)
          infiltration_schedule = model_add_schedule(model, 'RetailStripmall INFIL_Door_Opening_SCH')
          if infiltration_schedule.nil?
            OpenStudio.logFree(OpenStudio::Error, 'openstudio.model.Model', "Can't find schedule (RetailStripmall INFIL_Door_Opening_SCH).")
            return false
          else
            infiltration.setSchedule(infiltration_schedule)
          end
        end
      end
  end

  # Add economizer max fraction schedules
  case template
    when '90.1-2004', '90.1-2007', '90.1-2010', '90.1-2013', 'NREL ZNE Ready 2017'
      econ_eff_sch = model_add_schedule(model, 'RetailStandalone PSZ_Econ_MaxOAFrac_Sch')
      model.getAirLoopHVACs.each do |air_loop|
        oa_sys = air_loop.airLoopHVACOutdoorAirSystem
        if oa_sys.is_initialized
          oa_sys = oa_sys.get
          oa_controller = oa_sys.getControllerOutdoorAir
          oa_controller.setMaximumFractionofOutdoorAirSchedule(econ_eff_sch)
        end
      end
  end

  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.RetailStripmall.rb', line 67

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

  return true
end

#update_waterheater_loss_coefficient(model) ⇒ Object

add hvac



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# File 'lib/openstudio-standards/prototypes/common/buildings/Prototype.RetailStripmall.rb', line 57

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|
        water_heater.setOffCycleLossCoefficienttoAmbientTemperature(1.205980747)
        water_heater.setOnCycleLossCoefficienttoAmbientTemperature(1.205980747)
      end
  end
end