Patent ID: 7578615

Claim:
A method for determining an equivalent temperature, T eq , of a two-dimensional object, comprising calculating, T eq = T s - { L ϕ C 1 ⁡ [ 0.00963 ⁢ ( P ⁢ ⁢ V ) 0.5 [ 0.5 ⁢ ( T s + T a ) ] 0.04 ⁢ L 0.5 ⁢ ( T s - T a ) + σ ⁢ ⁢ ɛ ⁢ ( T s 4 - T a 4 ) + w . ⁢ ⁢ l e - α ⁢ ⁢ G - k s ⁢ ( T b - T s ) ] } 1 / ( 1 + ϕ ) wherein T s comprises surface temperature, L comprises length of the object, φ comprises a function of heat source, C 1 comprises a function of the surface temperature and the ambient temperature, P comprises ambient pressure, V comprises free-stream wind velocity, T a comprises ambient temperature, σ comprises Stefan-Boltzmann constant, ε comprises emissivity of the object, {dot over (w)} comprises water evaporation flux rate, l e comprises latent heat of evaporation, α comprises thermal absorptivity, G comprises insolation value, k comprises thermal conductivity, s comprises thickness of the object and T b comprises object internal temperature.