Large Eddy Simulation of Turbulent Flow and Heat Transfer in a Ribbed Coolant Passage

<table>Time variation of normalized Nusselt number (<svg height="16.299999" id="M83" style="vertical-align:-3.39066pt" version="1.1" viewbox="0 0 61.462502 16.299999" width="61.462502" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,12.013)"><use xlink:href="#x1D441"></use></g><g transform="matrix(.017,-0,0,-.017,14.919,12.013)"><use xlink:href="#x1D462"></use></g><g transform="matrix(.017,-0,0,-.017,24.065,12.013)"><use xlink:href="#x2F"></use></g><g transform="matrix(.017,-0,0,-.017,31.068,12.013)"><use xlink:href="#x1D441"></use></g><g transform="matrix(.017,-0,0,-.017,45.925,12.013)"><use xlink:href="#x1D462"></use></g>
<g transform="matrix(.012,-0,0,-.012,55.075,16.088)"><use xlink:href="#x30"></use></g>
</svg>) and skin friction coefficient scaled with Reynolds number (<svg height="18.65" id="M84" style="vertical-align:-5.76984pt" version="1.1" viewbox="0 0 61.349998 18.65" width="61.349998" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.4)"><use xlink:href="#x1D436"></use></g>
<g transform="matrix(.012,-0,0,-.012,12.05,15.475)"><use xlink:href="#x1D453"></use></g>
<g transform="matrix(.017,-0,0,-.017,24.088,11.4)"><use xlink:href="#xD7"></use></g><g transform="matrix(.017,-0,0,-.017,40.661,11.4)"><use xlink:href="#x52"></use></g><g transform="matrix(.017,-0,0,-.017,51.218,11.4)"><use xlink:href="#x65"></use></g>
</svg>) on one of the (a) sidewalls (b) bottom ribbed walls at an arbitrary time instant.</table>

Journal of Applied Mathematics

fig6

Figure 6

Figure 6: Large Eddy Simulation of Turbulent Flow and Heat Transfer in a Ribbed Coolant Passage 