Abstract
Heat and fluid flow characteristics of flow in a channel with periodically grooved parts are investigated as a simple model of plate-type heat exchanger. It is known that the flow in the grooved channel oscillates when the Reynolds number increases, and heat transfer is enhanced for the oscillatory flow. In this research, in order to clarify the characteristics between the oscillatory flow pattern and heat transfer in a three-dimensional flow regime, we have performed three-dimensional numerical simulations by using spectral element -Fourier spectral technique. In addition, we have also performed experiments of temperature measurement and compared the result with one of numerical simulations.
