A New Model for the Characterization of Frozen Soil and Related Latent Heat Effects for the Improvement of Ground Freezing Techniques and Its Experimental Verification
The correct determination of thermal parameters, such as thermal conductivity and specific heat of soil during freezing, is the most important and basic problem for the construction of an appropriate freezing method. In this study, a calculation model of three stages of soil temperature was establis...
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| Veröffentlicht in: | Fluid dynamics & materials processing 2019-01, Vol.15 (1), p.63 |
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| creator | Shen, Daoming Si, Hua Xia, Jinhong Li, Shunqun |
| description | The correct determination of thermal parameters, such as thermal conductivity and specific heat of soil during freezing, is the most important and basic problem for the construction of an appropriate freezing method. In this study, a calculation model of three stages of soil temperature was established. At the unfrozen and frozen stages, the specific temperatures of dry soil, water, and ice are known. According to the principle of superposition, a calculation model of unfrozen and frozen soils can be established. Informed by a laboratory experiment, the latent heat of the adjacent zone was calculated for the freezing stage based on different water contents in the temperature section. Both the latent and specific heat of water, ice, and particles were calculated via superposition of the weight percentage content. A calculation model of the specific heat of the freezing stage was built, which provides both guidance and theoretical basis for the calculation of the specific heat of frozen soil. |
| doi_str_mv | 10.32604/fdmp.2019.04799 |
| format | Article |
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In this study, a calculation model of three stages of soil temperature was established. At the unfrozen and frozen stages, the specific temperatures of dry soil, water, and ice are known. According to the principle of superposition, a calculation model of unfrozen and frozen soils can be established. Informed by a laboratory experiment, the latent heat of the adjacent zone was calculated for the freezing stage based on different water contents in the temperature section. Both the latent and specific heat of water, ice, and particles were calculated via superposition of the weight percentage content. A calculation model of the specific heat of the freezing stage was built, which provides both guidance and theoretical basis for the calculation of the specific heat of frozen soil.</description><identifier>ISSN: 1555-256X</identifier><identifier>EISSN: 1555-2578</identifier><identifier>DOI: 10.32604/fdmp.2019.04799</identifier><language>eng</language><publisher>Duluth: Tech Science Press</publisher><subject>Frozen ground ; Ground freezing ; Heat ; High temperature effects ; Latent heat ; Mathematical models ; Soil temperature ; Soil water ; Specific heat ; Superposition (mathematics) ; Thermal conductivity ; Thermodynamic properties</subject><ispartof>Fluid dynamics & materials processing, 2019-01, Vol.15 (1), p.63</ispartof><rights>Copyright Tech Science Press 2019</rights><rights>2019. This work is licensed under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids></links><search><creatorcontrib>Shen, Daoming</creatorcontrib><creatorcontrib>Si, Hua</creatorcontrib><creatorcontrib>Xia, Jinhong</creatorcontrib><creatorcontrib>Li, Shunqun</creatorcontrib><title>A New Model for the Characterization of Frozen Soil and Related Latent Heat Effects for the Improvement of Ground Freezing Techniques and Its Experimental Verification</title><title>Fluid dynamics & materials processing</title><description>The correct determination of thermal parameters, such as thermal conductivity and specific heat of soil during freezing, is the most important and basic problem for the construction of an appropriate freezing method. 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| subjects | Frozen ground Ground freezing Heat High temperature effects Latent heat Mathematical models Soil temperature Soil water Specific heat Superposition (mathematics) Thermal conductivity Thermodynamic properties |
| title | A New Model for the Characterization of Frozen Soil and Related Latent Heat Effects for the Improvement of Ground Freezing Techniques and Its Experimental Verification |
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