Optimum Control for Nonlinear Dynamic Radial Deformation of Turbine Casing with Time-Varying LSSVM

Table 2

Numerical characteristic of extremum random variables.

Types	Random variables	Mean values	StDev.	Lower bound	Upper bound
Casing thickness, 10^−3 m		3	0.06	2.97	3.03
Gas temperature, °C		1050	31.5	1034	1800
Convection heat transfer coefficients, W·m^−2·°C^−1		6000	180	5910	6090
Thermal expansion coefficient, 10^−5 °C^−1		1.87	0.0561	1.842	1.898
Thermal conductivity, W·m^−1·°C^−1		27.8	0.834	27.4	28.2