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Solar Decathlon Team Tidewater 2013 ODU Engineers
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Project Horace Woolard Wesley Riley Solar Jessica Purdin Morgan Sherrill Eric Bagho Mark Evans (Website and Scheduling) Gaming/Strategy Graeme Melrose Michael O’Toole Water Herbert Johnson Nathan Howell HVAC Todd Spreeman Chris Dohse Groups and Members
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Solar Decathlon 2013 is a competition between 20 teams around the world to create the most innovative, energy efficient house. Combine different engineering disciplines and Architecture to create an innovative, solar house. Canopy house is aimed at providing sustainability for the older population to age comfortably. Introduction
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Canopy House Diem Wall (backbone) Canopy like Solar Structure 18’ Solar Envelope 12’ Roof height
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Floor Plan
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Affordability Webinar Estimates need to be as accurate as possible Estimators will receive Project Manual upon October 11 th deadline No need to submit invoices as estimators use RSMeans RSMeans Offers cost data you can depend on Updated construction cost information available in convenient book, CD, or online format Take advantage of the RSMeans library (try and target product cost around these price estimates) Affordability/RSMeans
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Energy Star Appliances Easy identification for consumers when purchasing Savings on energy bills without sacrificing performance, features, and comfort Reduce greenhouse gas emissions and other pollutants Energy usage of the HVAC, Lighting, and Appliances Systems usage needs to be determined in order to accommodate the number of solar panels used on the Canopy House Energy Efficiency/Balance
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Criteria for most appliances ADA compliant Allows easy accessibility and use of all amenities in the house to people with disabilities Uses as little water as possible Bosch Dishwasher uses 2.22 gal/cycle Bosch Washer uses 4,064 gal/year on average Energy Star Compliant Electric Appliances
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Canopy House System Schematic
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Bosch Solar Module c-Si M 60 (Monocrystalline) SolarMount Evolution (Unirac) Solar and Power
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Enphase M215- MICRO INVERTER -24/7 monitoring and analysis, DC to AC power conversion for every individual panel SunDrum - Captures the solar panel’s wasted heat and converts the heat into hot water and electricity. In addition, this process cools the panels allowing them to operate more efficiently. Optimizing Panel Efficiency
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Solar and Power Deliverables Configure optimal orientation for all solar panels Complete 3 Part Master Spec for every component Complete Installation Manuel Complete Documentation for all components (Revit) Test the performance of the system to determine optimal number of panels required
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Plumbing Begun routing of black water systems Corresponding with Architects about bed dimensions to source storage and waste tanks Finalizing pump valve and back flow prevention locations
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Hot Water Tank Final selection based on capacity and energy consumption narrowed Discussing with vendors potential donation Determining whether a custom tank has to be produced
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Phase Change Tank Nominal heat capacity requirements being determined with results of sun drum output Determining the volume of PCM to store energy Researching prefabricated jacked tanks vs custom manufacture
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HVAC Selection Canopy House has chosen to utilize a Ductless Split System (DSS) Heat Pump with Energy Recovery Ventilator and Auxiliary Radiant Floor Heat DSS benefits: high efficiency ratings, multiple zones, Variable Speed Compressors & Fans, reduced energy consumption Radiant Floor Heat benefits: constant & stable temperatures, multiple zones, utilizes free energy Disadvantages of both: complex mechanical systems
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Ductless Split Systems Selection Based on Mitsubishi products: Wall-Mount & Cassette style Features: Redlink embedded controls for home integration, i-See infrared sensor, directional vanes, multi-zone, and wireless remote Wall-Mount utilizes the i-See sensor technology Cassette style allows for use of Energy Recovery Ventilator i-See Sensor & Directional Vanes
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Energy Recovery Ventilator Reduces energy costs as well as heating and cooling loads Allows for scaling down of equipment and air-side economizing Helps maintain a desirable humidity of 40-50%
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Hot Water Radiant Floor Heat Typical systems include a hot water generator (boiler, hot water heater, solar hot water heater, etc.), a pump, zone valves, piping, and controls Piping is commonly placed beneath the finished floor, in a concrete slab, or the underside of the sub-flooring Passive floor heating system that uses “free” energy for heating purposes Collected heat is incorporated from the SunDrum, solar water heating system, by a heat exchanging tank utilizing Phase Changing Material (PCM)
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Typical System Design Incorporated into the SunDrum solar water heating system by heat exchanging tank system Incorporates Phase Change Material (PCM) – Research in Progress System utilizes all stored “free” energy for radiant floor heat system before initializing the Ductless Split System units With proper sizing and load calculations, this system should allow for an estimated 50% reduction in heating energy requirements Disadvantage of System: Effective only for periods of heating, with no cooling capabilities
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Canopy House System Schematic
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Gantt Chart
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Questions???
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