A Design Method of Helicopter Dry Running Power Spectrum
A design method, helicopter technology, applied in design optimization/simulation, instruments, geometric CAD, etc., can solve problems such as catastrophic accidents, reducer damage, loss of transmission power, etc., to achieve the effect of improving safety
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[0024] An embodiment of the present invention provides a method for designing a helicopter dry-running power spectrum, the method comprising:
[0025] (1) Determine the typical flight profile of transmission system lubrication failure, covering all possible flight states during return or landing, mainly including forward flight, simulated autorotation and landing.
[0026] (2) Determine the duration and specific flight parameters of each flight state in the flight profile:
[0027] The total flight time for a Category A rotorcraft dry run is 30 minutes. in:
[0028] ①Forward flight state: maintain the flight time with the maximum gross weight and the minimum torque necessary for the most effective flight state for 29 minutes and 25 seconds, the maximum gross weight is the maximum take-off weight in the weight envelope, the flight altitude is the preset altitude, and the temperature is the temperature The maximum temperature in the envelope, the flight speed is the most favor...
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