Transient Analysis and Design Improvement of a Gas Turbine Rotor Based on Thermal-Mechanical Method

Table 1

Material properties of the gas turbine rotor (compressor discs).

Temperature	°C	20	100	200	300	400	500	600
Thermal conductivity	W·(m·K)^−1	34.6	/	39.6	38.2	36.4	34.4	34.1
Young’s modulus	GPa	204	201	196	190	182	173	171
Coefficients of thermal expansion	10^−6 °C^−1	11.7	11.7	12.3	12.7	13.1	13.3	13.5
Poisson’s ratio	/	0.31
Density	Kg·m^−3	7860