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| Effect of Flying-grounding Ratio on Service Life of Aircraft |
| Received:July 18, 2011 |
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| DOI： |
| KeyWord:aircraft flying-grounding ratio use efficiency service life |
| Author | Institution |
| CHEN Qun-zhi |
Beijing Aeronautical Technology Research Center，Beijing，China |
| WU Zhi-chao |
Beijing Aeronautical Technology Research Center，Beijing，China |
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| Abstract: |
| The standard flying-grounding ratio was defined according to the target of both flight hours life and calendar life.The aircraft use efficacy was studied for the first time from the angles of flying-grounding ratio and service life. A quantitative evaluation method for aircraft use efficiency was established tentatively. According to the evaluation results, the drain of aircraft service life can be judged and the state of expiry of aircraft service life can be calculated. The use efficiency of a certain series aircraft was quantitative evaluated by analysing an example. The results indicated that there is a great influence of flying-grounding ratio on the drain of aircraft service life. |
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