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Engine Debris Penetration Testing
| 题名： | Engine Debris Penetration Testing |
| 关键词： | DAMAGE ASSESSMENT, GAS TURBINES, AVIATION ACCIDENTS, DEBRIS, AIRCRAFT ENGINES, IMPACT TESTS, PENETRATION, BALLISTICS, ACCIDENT INVESTIGATIONS. |
| 摘要： | The damaging effects from an uncontained aircraft turbine engine failure can be catastrophic. As a result, the Federal Aviation Administration (FAA) has commissioned a program to mitigate the damaging effects of such an event. The Uncontained Engine Debris Mitigation Program will involve both industry and government to determine possible engineering solutions to this problem. As part of this program, the Naval Air Warfare Center Weapons Division (NAWCWPNS) has been tasked to evaluate ballistic damage analysis tools and techniques that are currently in use by the defense community. The intent is to determine their applicability in predicting the damaging effects from an uncontained engine failure. This report documents testing that was conducted and the evaluation of several empirical penetration equations under the circumstances present during engine failure events. The data generated under this effort showed that variations in the velocity, orientation, and shape of the debris results in differing failure modes of the targets. When plugging failures of the targets occur, the results of the defense equations are quite good. When petaling failures occur the prediction accuracy was degraded. This resulted in the development of an FAA Energy Equation through numerical curvefitting of the test data for 2024 T3 aluminum targets. Additional testing is planned to evaluate the penetration equations performance with real aircraft structure and varying obliquity angles at impact under phase II testing. |
| 总页数： | 154 |
| 报告类型： | 科技报告 |
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