Wind tunnel simulation test of gobi Haloxylon ammodendron windproof efficiency

doi:10.7522/j.issn.1000-694X.2025.00074

Journal of Desert Research ›› 2026, Vol. 46 ›› Issue (1): 242-251.DOI: 10.7522/j.issn.1000-694X.2025.00074

Wind tunnel simulation test of gobi Haloxylon ammodendron windproof efficiency

Xue Zhang¹(), Haibing Wang¹^,²(), Chengxian Liao¹, Haoqin Yang¹, Yunfei Bai¹

^1.College of Desert Management / Key Laboratory of Wind-sand Physics and Desertification Control Project in Inner Mongolia Autonomous Region，Inner Mongolia Agricultural University，Hohhot 010018，China
^2.Inner Mongolia Hangjin Desert Ecosystem Positioning Research Station，Ordos 017400，Inner Mongolia，China

Received:2024-11-13 Revised:2025-03-31 Online:2026-01-20 Published:2026-03-09
Contact: Haibing Wang

Abstract

Abstract:

The analysis of the windbreak efficiency under the combined effect of gobi gravel coverage and different Haloxylon ammodendron configuration can provide a theoretical basis for the construction of windbreak and sand-fixing forest in gobi area. In this paper， the wind tunnel simulation test was carried out on the flow field variation of H. ammodendron forest with two kinds of gravel coverage （6.53% and 43.96%）， two kinds of forest belt height （15 cm and 30 cm） and three kinds of forest belt configuration modes （single row， two rows and three rows） under different wind speeds. The results showed that the flow field structures of 15 cm and 30 cm height H.ammodendron forest belts were similar， both of which had a reducing effect on the airflow within the height range of H.ammodendron. Under the same gravel coverage， the wind shadow area and the distance of the wind shadow area of the flow field of the three-row H. ammodendron configuration are larger than those of the single-row and two-row H. ammodendron configurations； gravel coverage of 43.69% and 30 cm height of H. ammodendron forest belt combination than other combinations of contour wind speed line rise significantly increased； the windproof efficiency of single row， two rows and three rows of H. ammodendron configuration reached the maximum value at 0-2 times plant height on the leeward side and then gradually decreased， and the maximum average windproof efficiency was 23.9%， 37.85% and 45.4%， respectively. The height of H. ammodendron increased the windproof efficiency at 3 times plant height on the leeward side of the forest belt， which extended the protection distance.

Key words: gobi, Haloxylon ammodendron, wind speed flow field, windproof efficiency, wind tunnel simulation

CLC Number:

418.5+6

Xue Zhang, Haibing Wang, Chengxian Liao, Haoqin Yang, Yunfei Bai. Wind tunnel simulation test of gobi Haloxylon ammodendron windproof efficiency[J]. Journal of Desert Research, 2026, 46(1): 242-251.

Figures/Tables 5

Fig.1 Wind tunnel test section

Fig.2 Wind speed flow field of single row Haloxylon ammodendron configuration

Fig.3 Wind speed flow field of two row Haloxylon ammodendron configuration

Fig.4 Wind speed flow field of three row Haloxylon ammodendron configuration

Fig.5 Wind protection efficiency of Haloxylon ammodendron with different belt configurations

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Wind tunnel simulation test of gobi Haloxylon ammodendron windproof efficiency

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