induction heating for ski boots
TRANSCRIPT
Tatsu
Red B
Induction Heating for Ski Boots
Tatsu
Induction heating for cold toes
Skiers use removable inserts
Resorts buy portable stands
Key Questions
How much power will this use?
Can induction heating be used safely?
How can we get reliable wireless feedback?
How much time will heating take?
Sketch Model
Coil
Ferrous washer
Paper (.25 in)
50
100
150
200
0.0 0.5 1.0 1.5 2.0 2.5 3.0
Tem
pera
ture
(°F)
Time (Minutes)
Induction Heating Time for Various Power Inputs
Run1 Run4 Run5 Run2 Run3
15 W 17.5 W 20 W 30 W 40 W
120°F Goal Temp
0
200
400
600
800
1000
1200
1400
0 0.5 1 1.5 2 2.5 3
Pow
er (W
)
Distance from Coil (in)
Projected Power Required at Various Distances
Expected Range of Sole Thickness
Resort Power Use
• Ski resorts can pull up to 7.2 megawatts of power under heavy load
• At 500 watts per station, 20 stations only represent 10 kW (~0.15% of total usage)
Looking Ahead
• Scale up our test coil to a more realistic size.
• Find a way to integrate temperature sensing and feedback for controls.
• Test safety of inserts and interactions with metal implants and jewelry.
Thank You
Citations
Red B
Search Results for “Mail Box.” http://www.homedepot.com/b/N-5yc1vZ12kxZ12le/Ntk-All/Ntt-mail%2Bbox?Ntx=mode+matchall&NCNI-5. Oct 7, 2015.
State and Country Quick Facts USA. http://quickfacts.census.gov/qfd/states/00000.html. Oct 7, 2015.
Projected Smart Home Revenues. http://www.statista.com/statistics/296082/the-americas-smart-home-market-revenue/. Oct 7, 2015.
First Research, Inc., Gift, Novelty & Souvenir Stores Industry Profile, http://www.firstresearch.com/Industry-Research/Gift-Novelty-and-Souvenir-Stores.html(Accessed 10/7/2015)
Schneider Electric, “Schneider Electric Case Study: Bear Creek Mountain Resort” (2008). <http://www.powerlogic.com/pdf/cs82.pdf>
Market118 million
households in the US
$290 billionsmart home market
$40 - $2,000price range for mailboxes
Snail Mail Appendix A
Open Envelope
POR : Electric Letter Opener
Other Methods Tested:• Steamer• Manual Letter Opener
Snail Mail Appendix B
Competition
Mail Pile on Table
Personal
Cubbies
Industrial Letter Opener
HumanService
Snail Mail Appendix C
Questions Answered in Sketch Model
Do people want a product that can open and prioritize mail?
Can a device cut, extract, and unfold mail?
Snail Mail Appendix D