Paper presented at the 5th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, South Africa, 1-4 July, 2007.
In this keynote lecture a comprehensive review is
presented for the field synergy principle (FSP) which was
proposed at the 11th International Heat Transfer Conference in
1998 and later further enhanced by many researchers, including
the present authors. The lecture is organized as follows. A brief
introduction to the FSP is presented in section 1. In Section 2,
discussion is given to the indications of the synergy degree
between velocity and temperature gradient. In Section 3,
numerous examples are provided to show the validity of the
principle. In Section 4 a special experimental verification of the
principle is provided. In Section 5 numerical examples are
provided to demonstrate that the field synergy principle can
unify all the existing explanations of single-phase convective
heat transfer enhancement. Section 6 is devoted to the
applications of the field synergy principle in developing new
types of enhanced surfaces for heat transfer. Finally some
conclusions are drawn.