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The main objective of the present work is to assess higher-order EntropicLattice Boltzmann Method (ELBM) for separated and transitional flows withoutthe use of any explicit turbulence model. For this, we chose to simulate twocases of T106 Low-Pressure Turbine (LPT) cascade -- T106A and T106C --representing incompressible and compressible flow regimes respectively. Theseresults are obtained using our company's in-house higher-order ELBM transonicsolver. We have carried out two sets of simulations for both the test cases.One with a clean inlet and the other with an inlet disturbance given by whiteGaussian noise superimposed on the inlet velocity. For the clean inlet case,the flow remains laminar on the entire blade surface for both the test cases.It undergoes transition on the suction side for the inlet disturbance case. Thepressure coefficient for the T106A and the isentropic Mach number on the bladesurface for the T106C matches well with the experimental results. Also, thequalitative comparison of flow features in terms of the Q-criterion is in goodagreement with the earlier computational results reported in literature.

LES/DNS of flow past T106 LPT cascade using a higher-order LB model