7.3 System Modelling
- Floor Slab = Generic 12" Thick (using the mass element)
- Roof = Generic 12" Thick
- Exterior Curtain Wall = 5' by 5' (with mullions to be added in 7.3.C)
- https://www.kawneer.com/kawneer/north_america/catalog/product_flyers/17-2220_1600WallSystem1_2.pdf
- https://www.kawneer.com/kawneer/north_america/catalog/97911/ADMD020EN.pdf
- https://www.kawneer.com/kawneer/north_america/catalog/Product_Green_Guide/PGGD010EN.pdf
- 1600 Wall Systemâ„¢2 Curtain Wall
- 2-1/2" (63.5mm) sightline
- 6" (152.4mm), 7-1/2" (190.5mm) or 10" (254mm) depth
- Thermal performance
- Low to mid rise applications
- Structural silicone glazed (SSG), blast mitigation, hurricane resistance
- Selections:
- Interior - 4 7/8" (1-hr)
- Structural Material = Metal Stud Layer
- Heat Transfer Coefficient (U) = 0.0472 BTU/(h-ft2-F)
- Thermal Resistance = 21.1904 (h-ft2-F)/BTU
- Thermal Mass = 1.4406 BTU/F
- Absorptance = 0.70
- Roughness = 3
- Concrete, Cast-in-place
- Default Concrete f'c=3.5 ksi
- Thermal Expansion Coefficient = 0.00001 inv °F
- Density = 150.28 pound per cubic foot
- Thermal Conductivity = 0.6044 btu/(hr·ft·°F)
- Specific Heat = 0.1569 btu/(lb·°F)
- Emissivity = 0.95
- Permeability = 3.1881 grain/(ft²·hr·inHg)
- Porosity = 0.01
- Reflectivity = 0.11
- Electrical Resistivity = 2,000,000.0000 Ω·m
- Glass Soda Lime
- Density = 151.08 pound per cubic foot
- Yield Strength = 4.79 ksi
- Thermal Expansion Coefficient = 0.00001 inv °F
- Thermal Conductivity = 0.6356 btu/(hr·ft·°F)
- Specific Heat = 0.2006 btu/(lb·°F)
- Emissivity = 0.95
- Permeability = 0.0000 grain/(ft²·hr·inHg)
- Porosity = 0.01
- Reflectivity = 0.00
- Electrical Resistivity = 1.0000E+10 Ω·m
- Heat Transfer Coefficient (U) = 12.2029 BTU/(h-ft2-F)
- Thermal Resistance = 0.0819 (h-ft2-F)/BTU
- Thermal Mass = 1.6178 BTU/F
- Absorptance = 0.70
- Roughness = 3
- Curtain Wall - Storefront
- Rectangular Muillion = 2.5" by 5" rectangular
- System Panel = Glazed
- Double glazing - 1/4 in thick - low-E/clear (e = 0.05) glass
7.4 Simulation & Analysis
- 7.4.A Energy Use Analysis
- Baseline (Current = $1.88, Target = $1.68)
- Proposed for Next Iteration (Proposed = $0.84)
- 7.4.B Solar Analysis
- 7.4.C Daylighting Analysis
Brief Update versus Previous Model
I modified my building shape to adopt the inverted configuration because placing and allocation of space (in Module 5 and 6) have been difficult because of the steep envelope. It's really a challenge for my schematic design because the fire exit stair requirements must have their own space and the smoke should not enter it for evacuation. I also realized that having a green landscape would only be a good asset for my building if I am looking from the top. So, I changed it to become inverted so that visitors would just need to look up to appreciate the beauty of the green landscape around the perimeter. See pictures below for updates!!! 🙂😉
#I will still need to update my space budget spreadsheet and bubble diagram for the final deliverable.
- Floor Level 1
- Floor Level 2
- Floor Level 3
- 3D
- Elevation View
