Physical and
Physiological
parameters
Epidermis
l 0 ≤ x ≤ l 1
Dermis
l 1 ≤ x ≤ l 2
Subcutaneous
l 2 ≤ x ≤ l 3
K
K 1
K 2
K 3
M
M 1 = 0
M 2
M 3
T A
T A ( 1 ) = 0
T A ( 2 ) = T b
T A ( 3 ) = T b
S ( t )
S 1 = 0
S 2 = S 0 + E − S 0 1 + e − β ( t − t 0 )
S 3 = 2 [ S 0 + E − S 0 1 + e − β ( t − t 0 ) ]
T ( i )
T ( 1 ) = T 0 + ( T 1 − T 0 l 1 ) x
T ( 2 ) = l 2 T 1 − l 1 T 2 l 2 − l 1 + ( T 2 − T 1 l 2 − l 1 ) x
T ( 3 ) = l 3 T 2 − l 2 T 3 l 3 − l 2 + ( T 3 − T 2 l 3 − l 2 ) x