| タイトル | The Atlas-Centaur 67 incident |
| 著者（英） | Fisher, B.; Christian, H. J.; Perala, R. A.; Mazur, V.; Crouch, K. |
| 著者所属（英） | NASA Marshall Space Flight Center; NASA Langley Research Center; Electro Magnetic Applications, Inc.; Lightning Technologies, Inc.; National Oceanic and Atmospheric Administration |
| 発行日 | 1988-01-01 |
| 言語 | eng |
| 内容記述 | The conditions leading to the breakup of the Atlas-Centaur 67 (AC-67) vehicle launched on March 26, 1987 during a typical winter-time storm are analyzed, and a most probable lightning strike scenario was developed based on inspection of the AC-67 debris, the AC-68 vehicle, and appropriate drawings, electrical diagrams, and photographs. It is shown that, during ascent, the vehicle encountered increasingly larger electric fields and flew through clouds that produced precipitation static on the vehicle, eventually triggering a cloud-to-ground lightning, comprised of at least four return strokes. The resulting lightning current coupled a signal into the wiring which goes to the AC-67 digital computer unit (DCU), effecting a single-word memory alteration and causing the DCU to issue a hardover engine gimbal command. This led to an excessive angle of attack, large dynamic loads, and the breakup of the AC-67. |
| NASA分類 | METEOROLOGY AND CLIMATOLOGY |
| レポートNO | 88A22287
AIAA PAPER 88-0389 |
| 権利 | Copyright |
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