Calculation of mixing energy

Because a number of approximations have been made to simplify the model, the purpose of calculating the mixing energy is to compare only its order of magnitude with the 

If we consider the total volume of rubber particles which are breaking per revolution  

Vj is the total volmne of the compound in the mixer, which in this case is 1,200 cm (see also section 11.5.4). Therefore, the total energy expended in breaking the rubber particles for the entire period of the mixing cycle is  

This energy compares well with the observed data, Wq = 552 kJ 

This energy consists of the energy required to break carbon black, H, the frictional loss among carbon black particles, Wp, and the energy expended to deform rubber particles without resulting in the rupture of the particles, 

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