Liha töötlemine
10−7 H/m) (Regier and Schubert 2005) and to real and imaginary parts of permittivity rep-
consider only the complex permittivity (εr) as resents another important parameter, the loss
the dielectric property that describes the tangent (Eq. 25.3, which represents a measure
behavior of the food when it is subjected to of the food ability to the energy dissipation
an electromagnetic field (Metaxas and (Ponne and Bartels 1995; Içier and Baysal
Meredith 1993; Nelson and Datta 2001). 2004).
Complex permittivity is defined by the next ε ′′ 1
equation: tan δ = =D= (25.3)
ε′ Q
ε r = ε ′ − j ⋅ ε ′′ (25.1) In Equation 25.3, D is called the dissipa-
annaabi.ee 
