猎9号在加利福尼亚州文图拉县的登声波波测量结果
Kent L Gee1, Makayle S Kellison1, Mark C Anderson1
1Department of Physics and Astronomy, Brigham Young University, Provo, Utah 84602, USA.
JASA express letters
|March 10, 2026
概括
太空公司的猎9号火箭发射在加利福尼亚州产生了声波爆炸. 大多数弹头的过压低,但气象和发射轨道显著影响了听力和冲击.
科学领域:
- 声学 声学 在声学方面
- 航空航天工程 航空航天工程
- 环境科学 环境科学
背景情况:
- 在SpaceX的猎9火箭发射期间,在加利福尼亚中南部海岸报告了可听的声波爆发.
- 之前对声波爆发影响的评估可能无法完全考虑环境变量.
研究的目的:
- 测量和分析太空X猎9号在文图拉县发射时产生的超压和声波爆发的特征.
- 为了调查气象条件的影响,并对声波爆发的可听性和地面足迹发射自行方向.
主要方法:
- 在2024年夏天在文图拉县进行了132次声波爆发测量,在SpaceX的6次猎9发射中进行了测量.
- 记录了每次发射的超压,持续时间和声波爆发的空间范围.
- 分析了与发射方向和气象数据相关的数据.
主要成果:
- 测量到的最大超压是1.90 psf (133 dB),其中大多数爆发低于0.5 psf,持续数秒.
- 两次发射显示了明显较低的过压和较小的陆地足迹.
- 气象和发射方向被确定为影响声波爆炸可听度和冲击的关键因素.
- 测量数据与先前的环境评估预测之间的一致性被发现是边际的.
结论:
- 声波爆发的可听性和火箭发射的影响是由多个因素影响的复杂现象.
- 环境条件和发射轨迹在声波爆发的陆地传播中发挥着重要作用.
- 现有的环境评估模型可能需要改进,以准确预测声波爆炸效应.
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