03. Media & Modeling II - Design of a paramteric pavilion

Shading Iteration

Shading parameters:

North & South façade: No louvers East & West façade: No. of louvers - 3 Depth of louvers : 0.3m, angle - 0o

EUI value : 53.603 Materials Iteration

Material parameters:

Walls: stucco – 1IN stucco, gypsum board – ½ in. gypsum board, cavity: steel frame/cavity, gypsum board: Gypsum board – ½ in. CBES Roof: roof – roof membrane highly reflective, roof insulation: roof insulation[18] metal : metal decking. Window: U factor : 0.60 kBtu/h*ft2*F, SHGC: 0.35, Skylight U factor: 0.55 kBtu/h*ft2*F, SHGC: 0.40 Foundation: concrete: 6 in. normal-weight concrete floor, carpet: CP02 CARPET PAD

EUI value: 53.615

Additional options: Solar Energy

Utilizing PV Panels to harness incident solar radiation would help the project achieve the net zero target, the following is a sample calculation of possible energy reduction using PV Panels:

Total Building Area = 73,958.83 ft2 Total Rooftop Area = 45,025.44 ft2 Classrooms Rooftop Area = 14,466.7 ft2

PV Panel Area = 1.179 * 1.05 = 1.238m2 = 13.326 ft2 Using 50% of the classrooms’ rooftop we get the following: # of PV Panels = 7233.35 / 13.326 = 542.8 ~ 540 PV Panels Power Output = 540 * 432 = 233,280 kWh/yr = 795,951.36 kBTU/yr EUI Reduction = 795,951.36 / 73,958.83 = 10.76 KBTU/ft2/yr

Based on the building’s EUI = 34.093, utilizing half of the classrooms’ rooftop area would lower it to 23.33.

HVAC Iteration

HVAC parameters:

VAV chiller with central air heat pump reheat PSZ-HP

EUI value: 47.965 Scheduling Iteration

Scheduling parameters:

Heating set-points No occupancy: 13OC Occupancy: 20OC Cooling set-points No occupancy : 28OC Occupancy: 25OC No. of hours lights will be off on working days: 9am to 4pm

EUI value: 34.093

Specifications Value

If we were to utilize the entire classroom block rooftop area we would reach the 80% reduction, and utilizing 50% of the entire building’s rooftop would result in almost a net zero building (EUI = 0.41)

Type

Maximum Power per hour (W) Panel Conversion Efficiency (%) Panel Area (m2) Monocrystalline Silicon

200