Table 1 Average parameters in case L = 8 mm
From: Aerodynamic tunnel for tests of turbine annular cascades
\({\boldsymbol P}_{\boldsymbol 0}^{\boldsymbol *}\), kPa | \({\boldsymbol P}_{\boldsymbol 1}^{\boldsymbol *}\), kPa | \({\boldsymbol P}_{\boldsymbol 1}\), kPa | \({\boldsymbol C}_{\boldsymbol{1a}}\), m/s | \({\boldsymbol C}_{\boldsymbol{1u}}\), m/s | \({\boldsymbol{\alpha} }_{\boldsymbol 1}\), deg. | \({\boldsymbol M}_{\boldsymbol 1}\) |
10 | 7.96 | −12.74 | 65.0 | 196.7 | 18.3 | 0.553 |
20 | 16.09 | −24.19 | 97.6 | 271.5 | 19.8 | 0.794 |
30 | 24.79 | −29.75 | 118.4 | 309.7 | 20.9 | 0.932 |
50 | 44.05 | −19.12 | 118.8 | 310.7 | 20.9 | 0.936 |
60 | 54.58 | −14.21 | 119 | 311 | 20.9 | 0.937 |
70 | 63.29 | −8.37 | 119 | 311 | 20.9 | 0.937 |
80 | 72.95 | −2.94 | 119 | 311 | 20.9 | 0.937 |
\({\boldsymbol C}_{\boldsymbol{rTD}}\), m/s | \({\boldsymbol C}_{\boldsymbol{uTD}}\), m/s | \({\boldsymbol{\alpha} }_{\boldsymbol{TD}}\), deg. | \({\boldsymbol M}_{\boldsymbol{TD}}\) | \({\boldsymbol{\zeta} }_{\boldsymbol{ol}}\) | \(\boldsymbol{\zeta}\) | \({\boldsymbol{\zeta} }_{\boldsymbol{ev}}\) |
136.5 | 155.6 | 41.3 | 0.553 | 0.369 | 0.231 | 0.139 |
219.2 | 217 | 45.3 | 0.858 | 0.367 | 0.229 | 0.138 |
328 | 247 | 53 | 1.212 | 0.408 | 0.268 | 0.141 |
358.9 | 249.3 | 55.2 | 1.318 | 0.655 | 0.490 | 0.165 |
368 | 248.2 | 56 | 1.347 | 0.764 | 0.585 | 0.179 |
368 | 248.4 | 56 | 1.348 | 0.863 | 0.669 | 0.194 |
368 | 248.5 | 56 | 1.348 | 0.958 | 0.747 | 0.211 |