ガスタービンエンジンを対象とした全系非定常解析の効率化手法

抄録

When carrying out numerical analysis for the entire gas turbine engine, it is necessary to numerically model the flow field, heat conduction, and combustion in the compressor, combustor, and exhaust turbine section, which are its components. The calculation cost tends to increase because it is necessary to consider the complexity of shape, non-stationaryness, and the time scale of each physical phenomenon being largely different. In this paper, we apply approximate solution method of unsteady calculation with using nonlinear harmonic method, and introduce the analysis result of the whole engine including combustion analysis with comparison with the steady calculation result.