.TransiEnt.Storage.Heat.PackedBedStorage_L4.PackedBedStorage_L4.ColdAirGeometry .TransiEnt.Storage.Heat.PackedBedStorage_L4.PackedBedStorage_L4.ColdAirGeometryGeometry of enclosed air space on cold side of storage unit
model ColdAirGeometry = TransiEnt.Storage.Heat.PackedBedStorage_L4.Basics.StorageAirVolumeGeometry.BlockShapedUnit;