Method and system for determining wind chill temperature

Details Method and system for determining wind chill temperature Method and system for determining wind chill temperature

2008-11-12

2009-08-25

Verbitsky, Gail (Department: 2855)

Thermal measuring and testing

Temperature measurement

Composite temperature-related paramenter

C374S043000, C374S029000, C703S002000, C702S131000, C600S549000

Reexamination Certificate

active

07578615

ABSTRACT:
The present invention includes methods, systems and computer-readable media for more accurately determining wind chill temperature, Twc, equivalent temperature, Teq, time to freeze, tf, facial temperature, Tfm+Δt, as a function of time and the altitude correction factor, Δtf/1000. The wind chill model of the present invention accounts for the two major heat losses (forced convection, radiation) and a minor heat loss (evaporative cooling) from the facial surface and is also capable of accounting for the two major heat gains (metabolic, solar) at the facial surface due to the individual's physical activity and the presence of sunshine. The wind chill model of the present invention also provides a more accurate value for the wind velocity at head level.

REFERENCES:
patent: 3753371 (1973-08-01), Anderson
patent: 3954007 (1976-05-01), Harrigan
patent: 4047431 (1977-09-01), Mulvaney et al.
patent: 4106339 (1978-08-01), Baer
patent: 4261201 (1981-04-01), Howard
patent: 4504157 (1985-03-01), Crabtree et al.
patent: 7239974 (2007-07-01), Gulati
patent: 2006/0193369 (2006-08-01), O'Neill et al.

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