GLove
Kristin Brodie
Jeff Colton
Colin Galbraith
Bushra Makiya
Tiffany Santos
Objective
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Create a glove that will keep your hand warm
in a cold environment
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Source of heat generation
Lightweight
Re-usable
Smart
Materials
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Fabric
Wire
Batteries
Temperature Sensor/Switch
PCM
PCM Encapsulators
Wire Insulators
PCM and Encapsulators
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PCM
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Paraffin Wax
Octadecane
PEG
Encapsulators
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PDMS
PP, PE
Fabric
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Polyester/Cotton
Field Testing
Wires and Insulators
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Wires
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NiCr alloys, Stainless Steel
Mechanical Testing
Resistivity Testing
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Insulators
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Nextel Braids, Teflon Tubing
Operating Temperature (surface temp)
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Batteries
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Size
Amphr
Durability
Recharge ability
Temperature Sensor/Switch
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Bimetallic, Polymer
Resistance/Current Testing
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Operational Testing
Power Generated
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Wire
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P = V2/R ~ 1.7 W
V = 3.74V, R = 8.3
PCM
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5 g of octadecane
8 g of PEG
1.7 W for 12.5 min
Heat Loss Model
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Assumptions made
Power Lost
2rLq=2L(T1-T3)/R=2.5W
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R = Fabric + BL
Assembly
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Connect wires to temp switch
Connecting wires to battery
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Discharging battery
Encapsulation of PCM
Fabrication of Gloves
Future Work
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Improvements
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Encapsulation process
Incorporation of wire into glove
Ease of access to recharge battery
On/Off switch
Insulation of Wire