Measuring the Internal Velocity of Debris Flows Using Impact Pressure Detecting in the Flume Experiment
Measuring the internal velocity of debris flows is very important for debris flow dynamics research and designing debris flow control works. However, there is no appropriate method for measuring the internal velocity because of the destructive power of debris flow process. In this paper, we address...
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| Veröffentlicht in: | Journal of mountain science 2011-04, Vol.8 (2), p.109-116 |
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| creator | Yang, Hongjuan Wei, Fangqiang Hu, Kaiheng Chernomorets, Sergey Hong, Yong Li, Xiaoyu Xie, Tao |
| description | Measuring the internal velocity of debris flows is very important for debris flow dynamics research and designing debris flow control works. However, there is no appropriate method for measuring the internal velocity because of the destructive power of debris flow process. In this paper, we address this problem by using the relationship between velocity and kinetic pressure, as described by surface velocity and surface kinetic pressure data. Kinetic pressure is the difference of impact pressure and static pressure. The former is detected by force sensors installed in the flow direction at the sampling section. Observations show that static pressure can be computed using the formula for static water pressure by simply substituting water density for debris flow density. We describe the relationship between surface velocity and surface kinetic pressure using data from seven laboratory flume experiments. It is consistent with the relationship for single phase flow, which is the measurement principle of the Pitot tube. |
| doi_str_mv | 10.1007/s11629-011-2083-x |
| format | Article |
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However, there is no appropriate method for measuring the internal velocity because of the destructive power of debris flow process. In this paper, we address this problem by using the relationship between velocity and kinetic pressure, as described by surface velocity and surface kinetic pressure data. Kinetic pressure is the difference of impact pressure and static pressure. The former is detected by force sensors installed in the flow direction at the sampling section. Observations show that static pressure can be computed using the formula for static water pressure by simply substituting water density for debris flow density. We describe the relationship between surface velocity and surface kinetic pressure using data from seven laboratory flume experiments. 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Mt. Sci</addtitle><addtitle>Journal of Mountain Science</addtitle><description>Measuring the internal velocity of debris flows is very important for debris flow dynamics research and designing debris flow control works. However, there is no appropriate method for measuring the internal velocity because of the destructive power of debris flow process. In this paper, we address this problem by using the relationship between velocity and kinetic pressure, as described by surface velocity and surface kinetic pressure data. Kinetic pressure is the difference of impact pressure and static pressure. The former is detected by force sensors installed in the flow direction at the sampling section. Observations show that static pressure can be computed using the formula for static water pressure by simply substituting water density for debris flow density. We describe the relationship between surface velocity and surface kinetic pressure using data from seven laboratory flume experiments. It is consistent with the relationship for single phase flow, which is the measurement principle of the Pitot tube.</description><subject>Debris flow</subject><subject>Detritus</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Ecology</subject><subject>Environment</subject><subject>Flow control</subject><subject>Flow velocity</subject><subject>Geography</subject><subject>Kinematics</subject><subject>Kinetics</subject><subject>Surface velocity</subject><subject>Water flow</subject><subject>Water pressure</subject><subject>冲击压力</subject><subject>实验检测</subject><subject>流动力学</subject><subject>测量原理</subject><subject>表面动力学</subject><subject>表面速度</subject><subject>静态压力</subject><issn>1672-6316</issn><issn>1993-0321</issn><issn>1008-2786</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp9kLFOwzAQhiMEElB4ADaLiSXgsxvbGVFpoRIIBmC1HPdSAmmS2o4ob49DKyExMPkkf9-vuz9JzoBeAqXyygMIlqcUIGVU8XSzlxxBnvOUcgb7cRaSpYKDOEyOvX-nVMhcwVGyfEDje1c1SxLekMybgK4xNXnFurVV-CJtSW6wcJUns7r99OTFD-x81RkbyJNDH22MSEAbhp-q-Qma1f0KyXTToatW2IST5KA0tcfT3TtKXmbT58ldev94O59c36eWyyykKqNjtjByDFmpbMFQ5abMLONGIXKubIlFCQuuCpScMp6zYpEJwxeyEGMTiVFysc3tXLvu0Qe9qrzFujYNtr3XwLgCxoQQET3_g763_XC81yrLOcuYGEcItpB1rfcOS93Fg4z70kD10LzeNq9j83poXm-iw7aO74Zi0f0G_yfttrFvbbNcR08Xxn6UVY2aSyEpsJx_A5KDkos</recordid><startdate>20110401</startdate><enddate>20110401</enddate><creator>Yang, Hongjuan</creator><creator>Wei, Fangqiang</creator><creator>Hu, Kaiheng</creator><creator>Chernomorets, Sergey</creator><creator>Hong, Yong</creator><creator>Li, Xiaoyu</creator><creator>Xie, Tao</creator><general>SP Science Press</general><general>Springer Nature B.V</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W92</scope><scope>~WA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7ST</scope><scope>7UA</scope><scope>7XB</scope><scope>88I</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>GNUQQ</scope><scope>H96</scope><scope>HCIFZ</scope><scope>L.G</scope><scope>M2P</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope><scope>SOI</scope></search><sort><creationdate>20110401</creationdate><title>Measuring the Internal Velocity of Debris Flows Using Impact Pressure Detecting in the Flume Experiment</title><author>Yang, Hongjuan ; Wei, Fangqiang ; Hu, Kaiheng ; Chernomorets, Sergey ; Hong, Yong ; Li, Xiaoyu ; Xie, Tao</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c375t-85042da7415f8cb2e89af5c23a8ee338cfebf1d38be7302392bd56a3d7b64ae33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Debris flow</topic><topic>Detritus</topic><topic>Earth and Environmental Science</topic><topic>Earth Sciences</topic><topic>Ecology</topic><topic>Environment</topic><topic>Flow control</topic><topic>Flow velocity</topic><topic>Geography</topic><topic>Kinematics</topic><topic>Kinetics</topic><topic>Surface velocity</topic><topic>Water flow</topic><topic>Water pressure</topic><topic>冲击压力</topic><topic>实验检测</topic><topic>流动力学</topic><topic>测量原理</topic><topic>表面动力学</topic><topic>表面速度</topic><topic>静态压力</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yang, Hongjuan</creatorcontrib><creatorcontrib>Wei, Fangqiang</creatorcontrib><creatorcontrib>Hu, Kaiheng</creatorcontrib><creatorcontrib>Chernomorets, Sergey</creatorcontrib><creatorcontrib>Hong, Yong</creatorcontrib><creatorcontrib>Li, Xiaoyu</creatorcontrib><creatorcontrib>Xie, Tao</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库-工程技术</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Environment Abstracts</collection><collection>Water Resources Abstracts</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>Earth, Atmospheric & Aquatic Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>ProQuest Central Student</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>SciTech Premium Collection</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Science Database</collection><collection>Earth, Atmospheric & Aquatic Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central Basic</collection><collection>Environment Abstracts</collection><jtitle>Journal of mountain science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yang, Hongjuan</au><au>Wei, Fangqiang</au><au>Hu, Kaiheng</au><au>Chernomorets, Sergey</au><au>Hong, Yong</au><au>Li, Xiaoyu</au><au>Xie, Tao</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Measuring the Internal Velocity of Debris Flows Using Impact Pressure Detecting in the Flume Experiment</atitle><jtitle>Journal of mountain science</jtitle><stitle>J. 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| ispartof | Journal of mountain science, 2011-04, Vol.8 (2), p.109-116 |
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| source | Springer Online Journals Complete; Alma/SFX Local Collection |
| subjects | Debris flow Detritus Earth and Environmental Science Earth Sciences Ecology Environment Flow control Flow velocity Geography Kinematics Kinetics Surface velocity Water flow Water pressure 冲击压力 实验检测 流动力学 测量原理 表面动力学 表面速度 静态压力 |
| title | Measuring the Internal Velocity of Debris Flows Using Impact Pressure Detecting in the Flume Experiment |
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