Abstract
The ideas of Prigogine and Naue are the basis of theoretical modelling. The momentum and energy transfer processes at the distance of the thermodynamic equilibrium are associated with the formation of dissipative motion structures. The existence of rotation movements is defined for describing turbulent fluid flow in addition to translation motion quantities. The calculation of the velocity fields follows from these balance equations for translation and rotation movements. The interaction is expressed by the use of special source terms. The balance equations of energy are determined in the same way. The heat flux which is caused by angular momentum is formulated by a balance of its own. This model is applied to the situation of a vertical film flow with parallel gas flow. Particular boundary conditions are used. The calculated velocity and temperature profile in the film show a physically understandable interpretation. The convective heat transfer inside the film can be described by this spin modelling. A comparison of the calculated local heat transfer coefficients shows a satisfactory correspondence with the experimental data of different authors.
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