A Study on the Coupled Model of Hydrothermal-Salt for Saturated Freezing Salinized Soil
Water and heat interact in the process of freezing for the saturated soil. And for the salinized soil, water, heat, and salt interact in the freezing process, because salinized soil has soluble salt. In this paper, a one-dimensional mathematical coupled model of hydraulic-thermal-salt is established...
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| Veröffentlicht in: | Mathematical problems in engineering 2017-01, Vol.2017 (2017), p.1-12 |
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| creator | Chen, Huie Wang, Wenhua Wang, Gang Wang, Qing Zhang, Xudong Zhang, Zhongqiong |
| description | Water and heat interact in the process of freezing for the saturated soil. And for the salinized soil, water, heat, and salt interact in the freezing process, because salinized soil has soluble salt. In this paper, a one-dimensional mathematical coupled model of hydraulic-thermal-salt is established. In the model, Darcy’s law, law of conservation of energy, and law of conservation of mass are applied to derive the equations. Consider that a saturated salinized soil column is subjected to the condition of freezing to model the moisture migration and salt transport. Both experiment and numerical simulation under the same condition are developed in the soil column. Then the moisture content and salt content between simulation and experiment are compared. The result indicates that simulation matches well with the experiment data, and after 96 hours, the temperature distribution becomes stable, freezing front reaches a stable position, and a lot of unfrozen water has time to migrate. Besides, the excess salt precipitates when the concentration is greater than the solubility, and the precipitation is distributed discontinuously. These results can provide reference for engineering geology and environmental engineering in cold region and saline soil area. |
| doi_str_mv | 10.1155/2017/4918461 |
| format | Article |
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And for the salinized soil, water, heat, and salt interact in the freezing process, because salinized soil has soluble salt. In this paper, a one-dimensional mathematical coupled model of hydraulic-thermal-salt is established. In the model, Darcy’s law, law of conservation of energy, and law of conservation of mass are applied to derive the equations. Consider that a saturated salinized soil column is subjected to the condition of freezing to model the moisture migration and salt transport. Both experiment and numerical simulation under the same condition are developed in the soil column. Then the moisture content and salt content between simulation and experiment are compared. The result indicates that simulation matches well with the experiment data, and after 96 hours, the temperature distribution becomes stable, freezing front reaches a stable position, and a lot of unfrozen water has time to migrate. Besides, the excess salt precipitates when the concentration is greater than the solubility, and the precipitation is distributed discontinuously. These results can provide reference for engineering geology and environmental engineering in cold region and saline soil area.</description><identifier>ISSN: 1024-123X</identifier><identifier>EISSN: 1563-5147</identifier><identifier>DOI: 10.1155/2017/4918461</identifier><language>eng</language><publisher>Cairo, Egypt: Hindawi Publishing Corporation</publisher><subject>Agricultural production ; Civil engineering ; Darcys law ; Energy conservation law ; Engineering geology ; Environmental engineering ; Experiments ; Freezing ; Moisture content ; Permeability ; Precipitates ; Precipitation ; Saline soils ; Saturated soils ; Soil conservation ; Soil moisture ; Soil water ; Temperature distribution</subject><ispartof>Mathematical problems in engineering, 2017-01, Vol.2017 (2017), p.1-12</ispartof><rights>Copyright © 2017 Xudong Zhang et al.</rights><rights>Copyright © 2017 Xudong Zhang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c360t-87f1cb29c64f5d7020510dcfec3d5af33a1c6cf5d16fdf2aa70acbd1f4f5172c3</citedby><cites>FETCH-LOGICAL-c360t-87f1cb29c64f5d7020510dcfec3d5af33a1c6cf5d16fdf2aa70acbd1f4f5172c3</cites><orcidid>0000-0002-0070-1726 ; 0000-0003-2004-8514 ; 0000-0002-1896-2860 ; 0000-0002-9958-4936 ; 0000-0001-8588-3065</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,778,782,27911,27912</link.rule.ids></links><search><contributor>Brun, Michele</contributor><creatorcontrib>Chen, Huie</creatorcontrib><creatorcontrib>Wang, Wenhua</creatorcontrib><creatorcontrib>Wang, Gang</creatorcontrib><creatorcontrib>Wang, Qing</creatorcontrib><creatorcontrib>Zhang, Xudong</creatorcontrib><creatorcontrib>Zhang, Zhongqiong</creatorcontrib><title>A Study on the Coupled Model of Hydrothermal-Salt for Saturated Freezing Salinized Soil</title><title>Mathematical problems in engineering</title><description>Water and heat interact in the process of freezing for the saturated soil. And for the salinized soil, water, heat, and salt interact in the freezing process, because salinized soil has soluble salt. In this paper, a one-dimensional mathematical coupled model of hydraulic-thermal-salt is established. In the model, Darcy’s law, law of conservation of energy, and law of conservation of mass are applied to derive the equations. Consider that a saturated salinized soil column is subjected to the condition of freezing to model the moisture migration and salt transport. Both experiment and numerical simulation under the same condition are developed in the soil column. Then the moisture content and salt content between simulation and experiment are compared. The result indicates that simulation matches well with the experiment data, and after 96 hours, the temperature distribution becomes stable, freezing front reaches a stable position, and a lot of unfrozen water has time to migrate. Besides, the excess salt precipitates when the concentration is greater than the solubility, and the precipitation is distributed discontinuously. 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Wang, Wenhua ; Wang, Gang ; Wang, Qing ; Zhang, Xudong ; Zhang, Zhongqiong</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c360t-87f1cb29c64f5d7020510dcfec3d5af33a1c6cf5d16fdf2aa70acbd1f4f5172c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Agricultural production</topic><topic>Civil engineering</topic><topic>Darcys law</topic><topic>Energy conservation law</topic><topic>Engineering geology</topic><topic>Environmental engineering</topic><topic>Experiments</topic><topic>Freezing</topic><topic>Moisture content</topic><topic>Permeability</topic><topic>Precipitates</topic><topic>Precipitation</topic><topic>Saline soils</topic><topic>Saturated soils</topic><topic>Soil conservation</topic><topic>Soil moisture</topic><topic>Soil water</topic><topic>Temperature distribution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chen, Huie</creatorcontrib><creatorcontrib>Wang, Wenhua</creatorcontrib><creatorcontrib>Wang, Gang</creatorcontrib><creatorcontrib>Wang, Qing</creatorcontrib><creatorcontrib>Zhang, Xudong</creatorcontrib><creatorcontrib>Zhang, Zhongqiong</creatorcontrib><collection>الدوريات العلمية والإحصائية - e-Marefa Academic and Statistical Periodicals</collection><collection>معرفة - المحتوى العربي الأكاديمي المتكامل - e-Marefa Academic Complete</collection><collection>Hindawi Publishing Complete</collection><collection>Hindawi Publishing Subscription Journals</collection><collection>Hindawi Publishing Open Access</collection><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>Middle East & Africa Database</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Computer Science Collection</collection><collection>Computer Science Database</collection><collection>Civil Engineering Abstracts</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Advanced Technologies & Aerospace Database</collection><collection>ProQuest Advanced Technologies & Aerospace Collection</collection><collection>Publicly Available Content 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 China</collection><collection>Engineering Collection</collection><jtitle>Mathematical problems in engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chen, Huie</au><au>Wang, Wenhua</au><au>Wang, Gang</au><au>Wang, Qing</au><au>Zhang, Xudong</au><au>Zhang, Zhongqiong</au><au>Brun, Michele</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Study on the Coupled Model of Hydrothermal-Salt for Saturated Freezing Salinized Soil</atitle><jtitle>Mathematical problems in engineering</jtitle><date>2017-01-01</date><risdate>2017</risdate><volume>2017</volume><issue>2017</issue><spage>1</spage><epage>12</epage><pages>1-12</pages><issn>1024-123X</issn><eissn>1563-5147</eissn><abstract>Water and heat interact in the process of freezing for the saturated soil. And for the salinized soil, water, heat, and salt interact in the freezing process, because salinized soil has soluble salt. In this paper, a one-dimensional mathematical coupled model of hydraulic-thermal-salt is established. In the model, Darcy’s law, law of conservation of energy, and law of conservation of mass are applied to derive the equations. Consider that a saturated salinized soil column is subjected to the condition of freezing to model the moisture migration and salt transport. Both experiment and numerical simulation under the same condition are developed in the soil column. Then the moisture content and salt content between simulation and experiment are compared. The result indicates that simulation matches well with the experiment data, and after 96 hours, the temperature distribution becomes stable, freezing front reaches a stable position, and a lot of unfrozen water has time to migrate. Besides, the excess salt precipitates when the concentration is greater than the solubility, and the precipitation is distributed discontinuously. These results can provide reference for engineering geology and environmental engineering in cold region and saline soil area.</abstract><cop>Cairo, Egypt</cop><pub>Hindawi Publishing Corporation</pub><doi>10.1155/2017/4918461</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0002-0070-1726</orcidid><orcidid>https://orcid.org/0000-0003-2004-8514</orcidid><orcidid>https://orcid.org/0000-0002-1896-2860</orcidid><orcidid>https://orcid.org/0000-0002-9958-4936</orcidid><orcidid>https://orcid.org/0000-0001-8588-3065</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Agricultural production Civil engineering Darcys law Energy conservation law Engineering geology Environmental engineering Experiments Freezing Moisture content Permeability Precipitates Precipitation Saline soils Saturated soils Soil conservation Soil moisture Soil water Temperature distribution |
| title | A Study on the Coupled Model of Hydrothermal-Salt for Saturated Freezing Salinized Soil |
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