库布齐沙漠新材料沙障的风速廓线特征

郭彩贇; 韩致文; 钟帅; 李爱敏

doi:10.13961/j.cnki.stbctb.2017.05.044

您当前的位置：

首页 >

文章列表页 >

库布齐沙漠新材料沙障的风速廓线特征

试验研究

- 库布齐沙漠新材料沙障的风速廓线特征
- Wind Profile Characteristics of New Materials Sand-Barriers in Hobq Desert
- 水土保持通报 2017年37卷第5期页码：260-265
- 作者机构：
  
  1. 中国科学院西北生态环境资源研究院,甘肃,兰州,730000
  2. 中国科学院沙漠与沙漠化重点实验室,甘肃,兰州,730000
  3. 中国科学院大学,北京,100049
  4. 菏泽学院城市建设学院,山东,菏泽,274015
- 作者简介：
- 基金信息：
  
  国家科技支撑计划项目“库布齐沙漠生态综合治理产业发展技术与示范”（2015BAC06B01-01）;国家自然科学基金项目“基于床面侵蚀堆积观测的新月形沙丘向沙丘链演变研究”（41371025）
- DOI：10.13961/j.cnki.stbctb.2017.05.044
  中图分类号：
- 纸质出版：2017
- 稿件说明：
移动端阅览
郭彩贇, 韩致文, 钟帅, 等. 库布齐沙漠新材料沙障的风速廓线特征[J]. 水土保持通报, 2017,37(5):260-265.

GUO Caiyun, HAN Zhiwen, ZHONG Shuai, et al. Wind Profile Characteristics of New Materials Sand-Barriers in Hobq Desert[J]. Bulletin of Soiland Water Conservation, 2017, 37(5): 260-265.
郭彩贇, 韩致文, 钟帅, 等. 库布齐沙漠新材料沙障的风速廓线特征[J]. 水土保持通报, 2017,37(5):260-265. DOI： 10.13961/j.cnki.stbctb.2017.05.044.

GUO Caiyun, HAN Zhiwen, ZHONG Shuai, et al. Wind Profile Characteristics of New Materials Sand-Barriers in Hobq Desert[J]. Bulletin of Soiland Water Conservation, 2017, 37(5): 260-265. DOI： 10.13961/j.cnki.stbctb.2017.05.044.

摘要

[目的] 在库布齐沙漠杭锦旗独贵塔拉工业区测试HDPE网和植物纤维网新材料沙障防沙技术，为工程沙障对比优选提供理论支持。[方法] 采用Met One 014 A/024 A型8通道风速风向仪（CR200 X数采仪），观测沙障内20，80，150和200 cm这4个高度的1 min平均风速，对比分析不同材料、规格、高度的方格沙障及前沿高立式阻沙栅栏影响下的风速廓线特征。[结果] （1）几种不同规格和高度的HDPE网和植物纤维网方格沙障及前沿高立式阻沙栅栏，都能显著降低近地表风速，具有良好的防风固沙效应。（2）方格沙障中心风速垂直变化幅度和变化规律，仅与沙障平面规格和外露高度密切相关，与试验材料基本无关；相同平面规格的方格沙障，外露高度越大，降风效果越显著；相同外露高度的方格沙障，小规格沙障的降风效果较为显著。（3）沙障防风固沙效益对比，需要充分考虑地貌部位、坡向、坡度、地表状况等的影响，对比观测未实施防沙措施的裸沙区对应地貌部位的输沙强度、风沙流场等因素，以便准确获取工程沙障效益参数。[结论] 库布齐沙漠采用的新材料工程沙障措施具有显著的降风效应，在库布齐沙区的生态治理领域具有良好的推广前景。

Abstract

[Objective] The experiments about the new materials of HDPE net and plant fiber net were conducted in Hangjin Banner

Duguitala industrial zone of Hobq Desert

in order to provide theoretical support for the sand-barrier optimization.[Methods] The Met One 014 A/024 A 8 channel anemometers (acquisition instrument CR200 X) were used to observe the 1 min-averaged wind speed at the heights of 20 cm

80 cm

150 cm and 200 cm

and the wind profiles under the effects of sand-barriers with different materials

specifications

heights of the checkboard barriers and the highly-set vertical sand barriers were comprised and analyzed.[Results] (1) The high parallel sand-barriers

HDPE and plant fiber net sand-barriers with different specifications all could significantly reduce the surface velocity

they also had good sand-fixing benefit. (2) The vertical wind variation range and regularity measured in the center of the checkboard barriers were found strongly related to the sand-barrier plane specification and the exposing height

no relation was found with the materials. Under the same test specification condition

the higher the exposed height was

the much the velocity was reduced. At the checkboards with the same exposure height

the reducing effect of velocity with small size sand-barrier was more obvious. (3) The determination of the sand-fixing effect of sand-barriers with different specifications should take a full consideration of the influences of the topography position

slope direction

slope gradient and surface conditions. Besides that

it also needs to observe the sediment transport intensity

sand-flow field and other factors of the bare land topography that is not within the measurement zone. All these are essential to obtain the effectiveness of the engineering barrier accurately.[Conclusion] The sand barrier of the new material used in the Hobq desert had excellent effects of reducing velocity

and it has great application prospect in the ecological field.

关键词

Keywords

references

Bagnold R A. The physics of blown sand and desert dunes[J]. Nature, 1974,18(4):167-187.

Mcewan I K, Willetts B B. Adaptation of the near-surface wind to the development of sand transport[J]. Journal of Fluid Mechanics, 1993,252(1):99-115.

Mitha S, Tran M Q, Werner B T, et al. The grain-bed impact process in aeolian saltation[J]. Acta Mechanica, 1986,63(1):267-278.

刘贤万.试验风沙物理与风沙工程学[M].1版.北京:科学出版社,1995:488-500.

王洪涛,董志宝,钱光强,等.关于风沙流中风速廓线的进一步试验研究[J].中国沙漠,2003,23(6):721-724.

Dong Zhibao, Qinan Guangqiang, Lu Ping, et al. Turbulence fields in the lee of two-dimensional transverse dunes simulated in a wind tunnel[J]. Earth Surface Processes & Landforms, 2009,34(2):204-216.

李振山.地形起伏对气流速度影响的风洞试验研究[J].水土保持研究,1999,6(4):75-79.

哈斯,董光荣.腾格里沙漠东南缘沙丘表面气流与坡面形态的关系[J].中国沙漠,1999,19(1):1-5.

赵彩霞,郑大玮,何文清.植被覆盖度的时间变化及其防风蚀效应[J].植物生态学报,2005,29(1):68-73.

毛东雷,雷加强,曾凡江,等.策勒不同下垫面风速廓线时空差异研究[J].干旱区资源与环境,2014,28(11):171-177.

Liu Jie, Song Mengxuan, Chen Kai, et al. An optimization methodology for wind lens profile using computational fluid dynamics simulation[J]. Energy, 2016,109:602-611.

Grimenes A A, Thue-Hansen V. Annual variation of surface roughness obtained from wind profile measurements[J]. Theoretical & Applied Climatology, 2004,79(1/2):93-102.

Ranga K G R, Gardea R J, Singhb S K, et al. Experimental study on characteristics of flow past porous fences[J]. Journal of Wind Engineering & Industrial Aerodynamics, 1988,29(1/2/3):155-163.

屈建军,井哲帆,张克存,等. HDPE蜂巢式固沙障研制与防沙效应试验研究[J].中国沙漠,2008,28(4):599-604.

冯博,冷金华,陈弦,等.高密度聚乙烯/石墨/碳纤维导热复合材料性能的研究[J].塑料工业,2013,41(6):78-82.

邵鹏程,王雁玉,李渤,等.高密度聚乙烯的研究及应用[J].塑料制造,2011(4):98-100.

巫晓鑫.尼龙6和高密度聚乙烯的耐热改性及性能研究[D].广州:华南理工大学,2013.

王文彪,党晓宏,张吉树,等.库布齐沙漠北缘不同作物秸秆平铺式沙障的防风效能[J].中国沙漠,2013,33(1):65-71.

马世威.沙漠学[M].1版.呼和浩特:内蒙古人民出版社,1998:209-220.

Anderson R S, Haff P K. Wind Modification and Bed Response During Saltation of Sand in Air[M]. Aeolian Grain Transport 1:Springer Vienna,1991:21-51.

凌裕泉,金炯,邹本功,等.栅栏在防止前沿积沙中的作用:以沙坡头地区为例[J].中国沙漠,1984,4(3):16-25.

张克存,俎瑞平,方海燕.不同孔隙度尼龙网对风沙流减弱作用的风洞模拟[J].水土保持学报,2004,18(4):4-6.

康惠惠,潘韬,盖艾鸿,等.生态退化与恢复对三江源区土壤保持功能的影响[J].水土保持通报,2017,37(3):7-14.

浏览量

1307

下载量

CSCD

文章被引用时，请邮件提醒。

提交

工具集

关联资源

基于3S技术的库布齐沙漠抛物线形沙丘形态变化研究

库布齐沙漠东缘防沙治沙生态效益评价

库布齐沙漠光伏电站内芦苇沙障的防风固沙效益

黄河中游沙家湾小流域风沙环境特征及其入沟过程

高寒矿区排土场边坡植被恢复年限对产流产沙的影响