1. G  Love Kristin Brodie Jeff Colton Colin Galbraith Bushra Makiya Tiffany Santos

2. Objective Create a glove that will keep your hand warm in a cold environment Source of heat generation Lightweight Re-usable Smart

3. Materials Fabric Wire Batteries Temperature Sensor/Switch PCM PCM Encapsulators Wire Insulators

4. PCM and Encapsulators PCM Paraffin Wax Octadecane PEG Encapsulators PDMS PP, PE

5. Fabric Polyester/Cotton Field Testing

6. Wires and Insulators Wires NiCr alloys, Stainless Steel Mechanical Testing Resistivity Testing Insulators Nextel Braids, Teflon Tubing Operating Temperature (surface temp)

7. Batteries Size Amp  hr Durability Recharge ability

8. Temperature Sensor/Switch Bimetallic, Polymer Resistance/Current Testing Operational Testing

9. Power Generated Wire P = V 2 /R ~ 1.7 W V = 3.74V, R = 8.3  PCM 5 g of octadecane 8 g of PEG 1.7 W for 12.5 min

10. Heat Loss Model Assumptions made Power Lost 2  rLq=2  L(T 1 -T 3 )/R=2.5W R = Fabric + BL

11. Assembly Connect wires to temp switch Connecting wires to battery Discharging battery Encapsulation of PCM Fabrication of Gloves

12. Future Work Improvements Encapsulation process Incorporation of wire into glove Ease of access to recharge battery On/Off switch Insulation of Wire