Turbine disc and gas turbine
A turbine disk and cooling hole technology, which is applied to the cooling of turbine/propulsion devices, mechanical equipment, engine functions, etc., can solve the problems of thicker thickness, high cost, and insufficient durability of turbine disks, etc., to alleviate stress concentration , realize the effect of reducing weight and improving cooling efficiency
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[0051] figure 1 It is a schematic diagram of a turbine upstream part in a gas turbine according to an embodiment of the present invention. figure 2 It is a front view of main parts of the turbine disk of the gas turbine according to the present embodiment. image 3 yes figure 2 Sectional view of III-III. Figure 4 yes figure 2 Sectional view of IV-IV. Figure 5 It is an exploded perspective view of the rotor blade of the gas turbine of this embodiment. Figure 6 It is an explanatory diagram showing the relationship among the diameter, interval, and stress concentration factor of cooling holes. Figure 7 It is a graph showing the stress concentration factor with respect to the diameter and spacing of cooling holes. Figure 8 is a schematic configuration diagram of the gas turbine of this embodiment. Figure 9 is a schematic diagram showing a modified example of the turbine disk of the gas turbine of the present embodiment.
[0052] The gas turbine of this embodiment, s...
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