Chinese Journal of Agrometeorology

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THE CHARACTERISTICS OF TURBULENCE NEARBY THE MODEL SHELTERBELTS

Zhu Tingyao Guan Dexin Kong Fanzhi(Institute of Applied Ecology, Academia Sinica, Shenyang)Yin Jiefen Wang Xinying(Environmental Sciences Center, Beijing University)   

  • Online:1990-09-10 Published:1990-09-10

Abstract: The distribution of turbulent intensity (ε=u'~2~(1/2)/u) and friction velocity (V_(?)=-u'w'~(1/2)) nearby the model shelterbelts is studied in this paper according to the wind tunnel experiment. The distribute characteristic is where there is decreased velocity there must be increased turbulent intensity and the maximum of ε/ε_0 is 200% more behind the model shelterbelt. The relative friction velocity (V_(?)/V_(?)0) is increased in the leeward the maximum is about 200% but it is decreased very much in the trianglar position nearby the model shelterbelt.

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