Open Access

Table 2

Parameter range of cooler for the numerical computation.

Parameters Range
Nozzle diameter di (mm) 2, 3, 4, 5, 6, 7
Nozzle to rotor surface spacing H (mm) 0.05 ∼ 15
Length of cooler L (mm) 30
Diameter of the shaft D (mm) 30
Number of nozzles Ni 8, 9, 10, 11, 12, 14, 16, 18, 20, 24, 30

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