Table 2 The oil film thickness test results of a gearbox at different speeds.

From: Calculation method of impingement depth and multiple objective optimizations of nozzle layout for aviation gears considering windage

Speed (rpm)

Oil film thickness (µ)

Windage effect

500

0.8

negligible

3000

1.5

lesser

8000

1.8

significant

12,000

1.2

serious

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