Overview  Concept & Design Approach  Background  Vertical Axis Wind Turbines  Application  Prototype  Cost Analysis  Return on Investment  Summery.

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Presentation transcript:

Overview  Concept & Design Approach  Background  Vertical Axis Wind Turbines  Application  Prototype  Cost Analysis  Return on Investment  Summery & Conclusion

Concept & Design Approach  Objective: Design an aesthetically appealing commercial building with integrated wind turbines to generate clean energy.  Design Approach: Integrated Vertical Axis Wind Turbines along the corners of the building Unified building-top turbine system in x shaped array

Background  How wind is generated Temperature differences Cold air in cities vs. warm air in surrounding area  Current Applications Horizontal Axis Wind Turbines

Vertical Axis Wind Turbines  Main concept of the building design based off of the usage of VAWT  VAWT allow for more integrated wind energy generation  Better integrated wind energy systems  More efficient in turbulent wind conditions Like around buildings

Application Corner InstallationCompleted Turbine Assembly

Application Cont. Complete BuildingTop Installation

Prototype

Cost Analysis (for one Assembly)

Return Investment  Researched/Assumed Facts: -Average wind speed of 10mph for 12 hours per day -Average cost of electricity: cents per kWh -Life span of Turbine is 30 years -Air density = 1.23 kg/m^3 -Betz Limit = 59.26%

Calculations: Maximum Available Power from wind = (.5)*(air density)*(surface area of turbine)*(wind velocity)^3*(Betz Limit) Maximum Available Power from wind = 2185watts or 2.2kW

Power Generation Profit of Power Generated = (Maximum Available Power from wind)*(hours per day)*(days per year)*(current market price of electricity) Profit of Power Generated = $ /yr

Breakeven Time Time to Breakeven = (cost of turbine)/(profit of power Generated) Time to Breakeven = years

Return of Investment ROI = [(gain from investment) - (cost of investment)] / (cost of investment) *100 ROI = 144% over 30 years

Summary and Conclusion  Engineering Design class task Achieve Aesthetically pleasing look+ encourage clean energy turbine integration  Design process Customer assessment Turbine design Installation Power and energy

Any Questions?