Ron is a M.Sc. Student under the supervision of Dr. Herman D. Haustein and has won several awards and grants noting his academic achievements. In light of the increase in incident heat flux, failure to manage waste heat reduces conversation efficiency of highly focused CPV and leads to cell deterioration. The goal of this study is the development of a simple free jet cooling model via deconstruction of the flow. The method involves simulating (DNS) a free jet’s three stages: pipe evolution, relaxation and contraction in flight, impinging heat transfer; validated by comparison to previous work and experiments. The flow and heat transfer models are constructed by identifying inherent self-similar scales (for simple relations), and serve as tools for designing a modular impinging jet array which cools various size CPV cells.