%0 Journal Article %A J. Y. Heo and H. G. Sung %D 2013 %J International Journal of Aerospace and Mechanical Engineering %B World Academy of Science, Engineering and Technology %I Open Science Index 84, 2013 %T A Sliding Mesh Technique and Compressibility Correction Effects of Two-equation Turbulence Models for a Pintle-Perturbed Flow Analysis %U https://publications.waset.org/pdf/9996633 %V 84 %X Numerical simulations have been performed for assessment of compressibility correction of two-equation turbulence models suitable for large scale separation flows perturbed by pintle strokes. In order to take into account pintle movement, a sliding mesh method was applied. The chamber pressure, mass flow rate, and thrust have been analyzed, and the response lag and sensitivity at the chamber and nozzle were estimated for a movable pintle. The nozzle performance for pintle reciprocating as its insertion and extraction processes, were analyzed to better understand the dynamic performance of the pintle nozzle. %P 2423 - 2427