EcoDorm Retrofit Nadim Atalla Emilia Chojkiewicz Chris Jernigan
![Eco-Dorm Retrofit Nadim Atalla, Emilia Chojkiewicz, Chris Jernigan, Nick Kardous, Brigitte von Oppenfeld, Cassie Eco-Dorm Retrofit Nadim Atalla, Emilia Chojkiewicz, Chris Jernigan, Nick Kardous, Brigitte von Oppenfeld, Cassie](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-1.jpg)
![Mission Statement: Reduce energy waste in Duke dormitories 2 Mission Statement: Reduce energy waste in Duke dormitories 2](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-2.jpg)
![Approach Fenestratio n Solar 3 Approach Fenestratio n Solar 3](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-3.jpg)
![Fenestration Analysis Heat Conduction Air Leakage Solar Heat Gain 4 Fenestration Analysis Heat Conduction Air Leakage Solar Heat Gain 4](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-4.jpg)
![Heat Conduction Assumptions: Double-paned, regular emissivity windows with air between panes Uglass (provided by Heat Conduction Assumptions: Double-paned, regular emissivity windows with air between panes Uglass (provided by](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-5.jpg)
![Air Leakage Assumptions: Steady, incompressible flow of air Frictional losses are negligible Weather tape Air Leakage Assumptions: Steady, incompressible flow of air Frictional losses are negligible Weather tape](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-6.jpg)
![Solar Heat Gain Assumptions: Extrapolated weather data is accurate No losses due to shading Solar Heat Gain Assumptions: Extrapolated weather data is accurate No losses due to shading](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-7.jpg)
![Solar Analysis Monthly solar electricity generated calculated by: NREL’s System Advisor Model (SAM) RDU Solar Analysis Monthly solar electricity generated calculated by: NREL’s System Advisor Model (SAM) RDU](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-8.jpg)
![9 9](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-9.jpg)
![Solar Analysis Efficiencies 15% efficiency of PV 35% efficiency of thermal 0. 5% electrical Solar Analysis Efficiencies 15% efficiency of PV 35% efficiency of thermal 0. 5% electrical](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-10.jpg)
![Results 11 Results 11](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-11.jpg)
![Fenestration Results Annual energy saved from fenestration retrofit: 45, 000 k. Wh 12 Fenestration Results Annual energy saved from fenestration retrofit: 45, 000 k. Wh 12](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-12.jpg)
![Solar Results Insolation Model Results 7300 k. Wh 13 Solar Results Insolation Model Results 7300 k. Wh 13](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-13.jpg)
![Viability Testing 1 4 Viability Testing 1 4](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-14.jpg)
![Fenestration Viability Testing Actual energy use summer 2016 (k. Btu) % Energy loss due Fenestration Viability Testing Actual energy use summer 2016 (k. Btu) % Energy loss due](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-15.jpg)
![Film Testing 1 6 Film Testing 1 6](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-16.jpg)
![1 7 1 7](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-17.jpg)
![Solar Viability Testing Total Energy Production Insolation Model 7100 k. Wh SAM 7300 k. Solar Viability Testing Total Energy Production Insolation Model 7100 k. Wh SAM 7300 k.](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-18.jpg)
![Economic Impact Annual energy saved from fenestration retrofit Money Saved Total cost # of Economic Impact Annual energy saved from fenestration retrofit Money Saved Total cost # of](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-19.jpg)
![Environmental Impact 20 Environmental Impact 20](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-20.jpg)
![Conclusions 21 Conclusions 21](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-21.jpg)
![Next Steps Recalculating results with regular PV panels instead of the overly sophisticated PV/T Next Steps Recalculating results with regular PV panels instead of the overly sophisticated PV/T](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-22.jpg)
![Acknowledgements Tavey Capps Casey Collins Jason Elliott Chisato Gomez Chris Dougher Dr. Emily Klein Acknowledgements Tavey Capps Casey Collins Jason Elliott Chisato Gomez Chris Dougher Dr. Emily Klein](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-23.jpg)
- Slides: 23
![EcoDorm Retrofit Nadim Atalla Emilia Chojkiewicz Chris Jernigan Nick Kardous Brigitte von Oppenfeld Cassie Eco-Dorm Retrofit Nadim Atalla, Emilia Chojkiewicz, Chris Jernigan, Nick Kardous, Brigitte von Oppenfeld, Cassie](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-1.jpg)
Eco-Dorm Retrofit Nadim Atalla, Emilia Chojkiewicz, Chris Jernigan, Nick Kardous, Brigitte von Oppenfeld, Cassie Yuan 1
![Mission Statement Reduce energy waste in Duke dormitories 2 Mission Statement: Reduce energy waste in Duke dormitories 2](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-2.jpg)
Mission Statement: Reduce energy waste in Duke dormitories 2
![Approach Fenestratio n Solar 3 Approach Fenestratio n Solar 3](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-3.jpg)
Approach Fenestratio n Solar 3
![Fenestration Analysis Heat Conduction Air Leakage Solar Heat Gain 4 Fenestration Analysis Heat Conduction Air Leakage Solar Heat Gain 4](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-4.jpg)
Fenestration Analysis Heat Conduction Air Leakage Solar Heat Gain 4
![Heat Conduction Assumptions Doublepaned regular emissivity windows with air between panes Uglass provided by Heat Conduction Assumptions: Double-paned, regular emissivity windows with air between panes Uglass (provided by](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-5.jpg)
Heat Conduction Assumptions: Double-paned, regular emissivity windows with air between panes Uglass (provided by manufacturer) accounts for both conductance and radiation 5
![Air Leakage Assumptions Steady incompressible flow of air Frictional losses are negligible Weather tape Air Leakage Assumptions: Steady, incompressible flow of air Frictional losses are negligible Weather tape](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-6.jpg)
Air Leakage Assumptions: Steady, incompressible flow of air Frictional losses are negligible Weather tape reduces energy losses by 20% 6
![Solar Heat Gain Assumptions Extrapolated weather data is accurate No losses due to shading Solar Heat Gain Assumptions: Extrapolated weather data is accurate No losses due to shading](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-7.jpg)
Solar Heat Gain Assumptions: Extrapolated weather data is accurate No losses due to shading Only August insolation considered 7
![Solar Analysis Monthly solar electricity generated calculated by NRELs System Advisor Model SAM RDU Solar Analysis Monthly solar electricity generated calculated by: NREL’s System Advisor Model (SAM) RDU](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-8.jpg)
Solar Analysis Monthly solar electricity generated calculated by: NREL’s System Advisor Model (SAM) RDU weather data Heat gained by thermal: GA weather data 8
![9 9](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-9.jpg)
9
![Solar Analysis Efficiencies 15 efficiency of PV 35 efficiency of thermal 0 5 electrical Solar Analysis Efficiencies 15% efficiency of PV 35% efficiency of thermal 0. 5% electrical](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-10.jpg)
Solar Analysis Efficiencies 15% efficiency of PV 35% efficiency of thermal 0. 5% electrical output loss per 1°C Assumptions 100% efficiency in electricity transformation 100% efficiency of heat transfer through piping 10
![Results 11 Results 11](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-11.jpg)
Results 11
![Fenestration Results Annual energy saved from fenestration retrofit 45 000 k Wh 12 Fenestration Results Annual energy saved from fenestration retrofit: 45, 000 k. Wh 12](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-12.jpg)
Fenestration Results Annual energy saved from fenestration retrofit: 45, 000 k. Wh 12
![Solar Results Insolation Model Results 7300 k Wh 13 Solar Results Insolation Model Results 7300 k. Wh 13](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-13.jpg)
Solar Results Insolation Model Results 7300 k. Wh 13
![Viability Testing 1 4 Viability Testing 1 4](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-14.jpg)
Viability Testing 1 4
![Fenestration Viability Testing Actual energy use summer 2016 k Btu Energy loss due Fenestration Viability Testing Actual energy use summer 2016 (k. Btu) % Energy loss due](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-15.jpg)
Fenestration Viability Testing Actual energy use summer 2016 (k. Btu) % Energy loss due to fenestration 1, 670, 000 54. 4 % Energy saved from fenestration retrofit over the summer (k. Btu) 153, 000 Energy saved from fenestration retrofit over the summer (k. Wh) 45, 000 % Energy saved 16. 9 % 1 5
![Film Testing 1 6 Film Testing 1 6](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-16.jpg)
Film Testing 1 6
![1 7 1 7](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-17.jpg)
1 7
![Solar Viability Testing Total Energy Production Insolation Model 7100 k Wh SAM 7300 k Solar Viability Testing Total Energy Production Insolation Model 7100 k. Wh SAM 7300 k.](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-18.jpg)
Solar Viability Testing Total Energy Production Insolation Model 7100 k. Wh SAM 7300 k. Wh 1 8
![Economic Impact Annual energy saved from fenestration retrofit Money Saved Total cost of Economic Impact Annual energy saved from fenestration retrofit Money Saved Total cost # of](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-19.jpg)
Economic Impact Annual energy saved from fenestration retrofit Money Saved Total cost # of years to break even Annual energy saved from solar retrofit Money Saved Total cost # of years to break even 45, 000 k. Wh $3, 350 $21, 340 6. 4 15, 700 k. Wh $1, 200 $33, 700 28. 8 1 9
![Environmental Impact 20 Environmental Impact 20](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-20.jpg)
Environmental Impact 20
![Conclusions 21 Conclusions 21](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-21.jpg)
Conclusions 21
![Next Steps Recalculating results with regular PV panels instead of the overly sophisticated PVT Next Steps Recalculating results with regular PV panels instead of the overly sophisticated PV/T](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-22.jpg)
Next Steps Recalculating results with regular PV panels instead of the overly sophisticated PV/T Expand fenestration model to include winter for more accurate approximation of annual energy savings Sharing findings with Facilities Management to assess implementation feasibility 22
![Acknowledgements Tavey Capps Casey Collins Jason Elliott Chisato Gomez Chris Dougher Dr Emily Klein Acknowledgements Tavey Capps Casey Collins Jason Elliott Chisato Gomez Chris Dougher Dr. Emily Klein](https://slidetodoc.com/presentation_image_h2/564424980ee84666705610e72c589c54/image-23.jpg)
Acknowledgements Tavey Capps Casey Collins Jason Elliott Chisato Gomez Chris Dougher Dr. Emily Klein Dr. Josiah Knight 23
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