A first reason for comparison with experiment is that the discovery of previously unknown chemical reactions or physics may emerge. It is through this iterative comparison between simulations and experiment that progress is made (investigation).
Secondly, in the interest of obtaining approximate solutions in an acceptable time, the simulations must be done on modelled equation sets where one has knowingly left out or simplified terms in the equations. With experience, one learns what terms may safely be neglected on the basis that the removed terms contribute little to the features of interest. This experience is obtained through comparison of numerical predictions with experiment (validation).
KeywordsParticle Image Velocimetry Laser Induce Fluorescence Light Sheet Rayleigh Scattering Turbulent Flame
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