thermobench
DESCRIPTION
TRANSCRIPT
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Therm-O-Bench
Presented by Team 4:Cassian Whitehurst, Damon Grosso, and Suyoung Choi
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Park Benches NowO Heat up in sunO Uncomfortable to sit on heated metalO With continuous sunlight, users can
run the risk of burn on bare legs
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Therm-O-BenchO Button on bench arm triggers cooling
mechanism to cool the user
O Five minutes of continuous cold air project from the bench surfaces
O Keeps user cool and refreshed on a hot summer day
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How will this work?O A refrigerant in vapor form is sent into a
compressor hidden in housingO The compressed vapor has a higher
temperature (because of the inverse relationship between pressure and temperature of gases)
O The hotter vapor is passed into a condenser and expansion valve (also hidden)
O The resultant liquid refrigerant is passed into tubes inside and directly outside the bench cooling the bench and its user.
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Bench ConstructionO The bench will be constructed from
steel alloyO Steel maintains a high thermal
resistance with a low costO Titanium would be more ideal
because of its higher thermal resistance, but is very expensive if many benches were to be produced.
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Bench LogicO This is the
basic system logic that will allow the cooling system to communicate with the user input (button)
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Marketability?O The bench will primarily be marketed
to parks and recreation departments of major urban cities
O Cities will have a greater need for a larger quantity of benches
O The will also be beneficial around recreational areas so they can cool down hard working athletes
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Technologies We NeedO An easily cooled metal that is not
heat conductant from which the bench frame will be constructed
O A small vapor compression refrigeration system that will attach to the seat and back rest of the bench to pump cold air through the bench to the user
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Energy EfficiencyO The cooling mechanism will run for 5
minutes continuously to prevent constant cooling without a user
O If the user is sitting for longer than 5 minutes, they can simply repress the button
O Benches will be not operational during cold seasons to further conserve energy
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Basic CAD Drawings
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Basic CAD Drawings
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The End
Thank you for your time.