Research Article
Research on Aerodynamic Optimization Method of Multistage Axial Compressor under Multiple Working Conditions Based on Phased Parameterization Strategy
Table 2
Performance comparison at the multicondition optimization after two phases.
| | Working point | Flow rate (kg/s) | Total pressure ratio | Adiabatic efficiency (%) | Surge margin (%) |
| | Original in the first phase (N = 1.0) | 112.1 | 3.54 | 82.1 | 10.2 | | Optimized in the first phase (N = 1.0) | 111.4 | 3.537 | 82.4 | 15.9 | | Optimized in the second phase (N = 1.0) | 110.99 | 3.535 | 82.4 | 14.2 | | Final relative change (N = 1.0) | −0.99% | −0.14% | +0.3 | +4.0 | | Original in the first phase (N = 0.8) | 86.45 | 2.470 | 83.4 | 28.2 | | Optimized in the first phase (N = 0.8) | 86.05 | 2.471 | 84.1 | 26.7 | | Optimized in the second phase (N = 0.8) | 85.843 | 2.470 | 84.2 | 30.5 | | Final relative change (N = 0.8) | −0.7% | +0.0% | +0.8 | +2.3 |
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