一枚Chaff火箭观测到的湍流谱
吴永富
刊名空间科学学报
1997
卷号17期号:4页码:343-347
关键词湍流谱 能量耗散率 风切变 DANA
ISSN号0254-6124
其他题名TURBULENCE SPECTRUMOBSERVED FROM A CHAFF ROCKET
通讯作者北京8701信箱
中文摘要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
英文摘要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.
学科主题空间物理
收录类别CSCD
资助信息国家自然科学基金资助项目
语种中文
CSCD记录号CSCD:383747
内容类型期刊论文
源URL[http://ir.cssar.ac.cn/handle/122/1453]  
专题国家空间科学中心_空间科学部
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GB/T 7714
吴永富. 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.(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."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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