| 一枚Chaff火箭观测到的湍流谱 | |
| Alternative Title | TURBULENCE SPECTRUMOBSERVED FROM A CHAFF ROCKET |
| 吴永富; 北京8701信箱 | |
| Department | 空间天气学国家重点实验室 |
| Source Publication | 空间科学学报
 |
| 1997 | |
| Volume | 17Issue:4Pages:343-347 |
| ISSN | 0254-6124 |
| Language | 中文 |
| Keyword | 湍流谱 能量耗散率 风切变 dana |
| Abstract | 在一个异常强水平风速和极端大风切变层内,垂直速度扰动谱表明几个相当重要特征;(1)垂直速度扰动谱有二个区域,一个在低频区,有谱斜率-1.65,这个谱斜率接近于惯性子区内－5/3谱斜率,另一个在高频区,有谱斜率-7.11,它接近于粘性子区内-7谱斜率.(2)垂直速度扰动谱有一个崩溃点,约位于70ｍ,这与计算的内尺度有好的一致.(3)由垂直速度扰动谱计算的湍流能量耗散率是0.087ｍ＾2·ｓ＾-3,ｐ |
| Other Abstract | Spectrum of the vertical velocity fluctuations for enormously strong horizontal observed indicates some quite wind velocity and an the height extremely interval in large wind which shear an are important features.(1) The spectrum shows two one in at lower frequencies has spectral slope of-1.65, which is close has to an inertial the other spec-5/3 tral regions,expected slope of-7.ll,which is subrange,close to -7 breakpoint which occurs at expec about ted at higher m a viscous frequencies subrange. has a 70m.This observation is The spectrum good agreement the inner scale calculated.(3)Turbulence energy spectrum is about 0.087 W/kg,which is about ose measured during the MAP/ WINE campaign. dissipation rate obtained from an order of magnitude. |
| Indexed By | CSCD |
| Funding Project | 中国科学院空间科学与应用研究中心 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.nssc.ac.cn/handle/122/1453 |
| Collection | 空间科学部 |
| Corresponding Author | 北京8701信箱 |
| Recommended Citation GB/T 7714 | 吴永富,北京8701信箱. 一枚Chaff火箭观测到的湍流谱[J]. 空间科学学报,1997,17(4):343-347. |
| APA | 吴永富,&北京8701信箱.(1997).一枚Chaff火箭观测到的湍流谱.空间科学学报,17(4),343-347. |
| MLA | 吴永富,et al."一枚Chaff火箭观测到的湍流谱".空间科学学报 17.4(1997):343-347. |
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