Abstract
The VFW 614/ATTAS flight tests have provided an extensive database for the analysis and development of methods to predict transition for aerodynamic design. While previous work has rested on the eN method, we re-evaluate two Tollmien-Schlichting-dominated test cases using the linear and nonlinear parabolized stability equations (PSE). We compare results obtained by standard, linear local stability theory with results obtained by linear PSE, investigate possible transition mechanisms for the two test cases, and perform parametric studies to estimate the initial amplitudes to start the PSE calculations.
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