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| Study of Flight Time Judging Methods in Aircraft Life Monitoring and Their Influence |
| Received:March 31, 2012 Revised:October 15, 2012 |
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| DOI： |
| KeyWord:flight time damage life monitoring |
| Author | Institution |
| ZHANG Tai-feng |
Qingdao Branch of Navy Aeronautic Engineering Academy， Qingdao ， China |
| LIU Yong |
Unit 92407 of PLA， Suizhong ， China |
| LI Gao-chan |
Unit 92407 of PLA， Suizhong ， China |
| CHEN Xing-qiang |
Unit 92407 of PLA， Suizhong ， China |
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| Abstract: |
| Proper judgment of flight time for an aircraft will directly influence calculation of the aircraft damage. Two methods for flight time judgment were compared and analyzed. It was concluded from the analysis that flight time can be more accurately obtained from the flight data when the rotating speed of the engine is used in combination with the ground speed as the judging standard. Damage of eight types of aircraft was calculated. The results showed that the variation of flight time greatly influence calculation of the damage when aircraft taking off in the afterburning state or with ordinary aerodynamic performance in take-off and landing. |
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