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A6: Team Rallye Potable Water Still Presented by: Tim Rodts September 14, 2006 Eric Sabelhaus Nicole Del Rey Mike McConnellTim Rodts
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Current Design Graphic
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Design Status Power Bike Pedals Power Bike Pedals Generator Magnet DC Motor Generator Magnet DC Motor Heat Source Polymer encased wire Heat Source Polymer encased wire Condensation Cooling Condensation Cooling Pressure Increase On time and moving toward trade studies. On time and moving toward trade studies.
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Action Items from Week 3 (09/05)
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-1- Permanent Magnet DC Motor Permanent Magnet DC Motor 1. Motor Technology, Inc. 2. McMaster – Carr 3. Windstream Power, Llc. Trying to match human input of 60 rpm Trying to match human input of 60 rpm
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-2- Include pressure – reduction Include pressure – reduction Experiment Results: Experiment Results: 1. Boiling Tempearture 40 ºC 2. Yield 95% with closed system 3. Unknown energy to reduce pressure Potential Showstopper
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-3- Heating Source Heating Source No hot plate No hot plate High temperature polymer encased wires High temperature polymer encased wires 1. System isolation and insulation 2. Any geometry 3. Easy to manufacture Heat Distribution Optimization
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Action Items for Week 5 (09/19)
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-1- Finalize Trade Study Proposals Finalize Trade Study Proposals Thermal and geometric optimization of polymer Thermal and geometric optimization of polymer Gearing for generator input Gearing for generator input Condensing mechanism Condensing mechanism Structural support of packaging Structural support of packagingApproach: Discuss final concept with expert contacts Discuss final concept with expert contacts Rank importance to outcome of project Rank importance to outcome of project
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-2- Condensing Mechanism Condensing Mechanism Cooling or Rapid Pressure Increase? Cooling or Rapid Pressure Increase?Approach: Conduct experiment with new configurations for rapid pressure drop Conduct experiment with new configurations for rapid pressure drop Percent yield Percent yield Ease of implementation Ease of implementation Discuss with Dr. Lappin Discuss with Dr. Lappin
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-3- Develop contacts with polymer supplier Develop contacts with polymer supplier Cool Polymers, Inc. Cool Polymers, Inc.Approach: E-mail sales representative E-mail sales representative Try to contact an engineer for feasibility study/discussion Try to contact an engineer for feasibility study/discussion
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Showstopper Energy to reduce pressure in system Energy to reduce pressure in system Need quantitative measure of energy Need quantitative measure of energy Currently using water aspirator Currently using water aspirator Assume that energy usage is very high Assume that energy usage is very high Verify this. Verify this.
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Questions?
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