Influence of Narrow Rectangular Channel (<math xmlns="http://www.w3.org/1998/Math/MathML" id="M1"> <mtext>AR</mtext> <mo>=</mo> <mn>1</mn> <mo>:</mo> <mn>4</mn> </math>) on Heat Transfer and Friction for V- and W-Shaped Ribs in Turbine Blade Applications
International journal of photoenergy