A Method of Mis-matched Vector Elimination in PTV based on the Laplace Equation Rearrangement

Velocity vectors obtained by PTV contain usually mis-matched vectors. In order to estimate the whole flow field structure, the mis-matched vectors should be eliminated exactly. In the present report, a method of mis-matched vector elimination in PTV based on Laplace equation rearrange-ment is proposed. As a result, it is recognized that the present method has good performance by the verification after applying it to two-dimensional vortex flow and Karman vortex flow. Furthermore, it is confirmed to acquire higher performance by using a successive iteration type.