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Table 2 Reynolds stress convergence by increasing the number of sample N (plasma off)

From: POD analysis of flow over a backward-facing step forced by right-angle-shaped plasma actuator

Snapshots N

\(\left\langle {{{u}}^{{\prime }} {{u}}^{{\prime }} } \right\rangle / {{U}}_{\infty }^{ 2} { \times 100}\)

\(\left\langle {{{v}}^{{\prime }} {{v}}^{{\prime }} } \right\rangle / {{U}}_{\infty }^{ 2} { \times 100}\)

\({ - }\left\langle {{{u}}^{{\prime }} {{v}}^{{\prime }} } \right\rangle / {{U}}_{\infty }^{ 2} { \times 100}\)

100

1.063

0.435

0.441

150

1.197

0.526

0.462

170

1.172

0.526

0.453

175

1.168

0.528

0.446

180

1.171

0.5287

0.45

190

1.173

0.5294

0.451

200

1.176

0.53

0.45

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1.14

0.5057

0.48188