林带的防风效能及数字模拟

›› 1991, Vol. 27 ›› Issue (5): 550-554.

• 研究简报 • Previous Articles Next Articles

WIND PROTECTION EFFECTS AND FIGURE SIMULATION OF FOREST ZONE

Gao Suhua,Song Zhaoming,Hidenori Takahashi

Academy of Meteorolgical Sciences, SMA;Forest Research Institute, CAFResearch Institute of Environmental Science,Hokkaido University

Received:1990-03-27 Revised:1900-01-01 Online:1991-09-25 Published:1991-09-25

Abstract

Abstract: Wind protection effects of forest beer with different widths and ventialtion coefficients have been analvsed bv data obtained from wind tunnel experiments. The results indicate that there is a significant difference between ventilation coefficients. The wind protection effects will decrease with increasing of forest beer width when the line numbers of forest beer are in same. Within the region influenced by wind velocity, distribution of wind velocity in front of forest beer (x>-dH) is in acoord with parabola pattern. And that of wind velocity in back of forest beer (|xI≤22H) is in accord with the systhesis of parabola and logarithm curre.

Key words: Shelterbelt, Wind protection effect, Ventilation coefficient, Width, From

Gao Suhua;Song Zhaoming;Hidenori Takahashi. WIND PROTECTION EFFECTS AND FIGURE SIMULATION OF FOREST ZONE[J]. , 1991, 27(5): 550-554.

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WIND PROTECTION EFFECTS AND FIGURE SIMULATION OF FOREST ZONE

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