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In this study OpenFOAM 4.4.2 was used to investigate flow inside the coronaryartery of the heart. This step is the first step of our future project, whichis to include conjugate heat transfer of the heart with three main coronaryarteries. Three different velocities were used as inlet boundary conditions tosee the effect of velocity increase on velocity, pressure, and wall shear ofcoronary artery. Also, three different fluids namely the University ofWisconsin solution, Gelatin, and blood was used to investigate the effect ofdifferent fluids on flow inside coronary artery. A code based on ReynoldsStress Navier Stokes (RANS) equations was written and was implemented with thereal boundary condition that was calculated based on MRI images. In order toimprove the accuracy of the current numerical scheme, hex dominant mesh isutilized. When the inlet velocity increases to 0.5 m/s, velocity, wall shearstress, and pressure increase at the narrower parts.

Investigation the Effect of Velocity inlet and Carrying Fluid on the Flow inside Coronary Artery