Numerical Study of Fluid Flow and Heat Transfer Characteristics in Solid and Perforated Finned Heat Sinks Utilizing a Piezoelectric Fan. jcoeng [Internet]. 2019 Jun. 30 [cited 2024 Jul. 6];25(7):83-103. Available from: https://joe.uobaghdad.edu.iq/index.php/main/article/view/928