Theoretical Principles of Experimental Methods for Determining the Thermal Diffusivity of Soils

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dc.contributor.authorMikayilov, F. D.
dc.contributor.authorShein, E. V.
dc.date.accessioned2020-03-26T18:05:26Z
dc.date.available2020-03-26T18:05:26Z
dc.date.issued2010
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractMathematical models for predicting the heat transfer in soils are used for the management of the soil thermal conditions; the development of different soil constructions; the analysis of the thermal effects related to the loosening or compaction of the surface soil layers, the sanding of peat, and the application of friable mulching materials; and the description of many other phenomena and processes. The experimental support of the development and functioning of these models is provided by the function of thermal diffusivity, which describes the thermal diffusivity as a function of the water content and can be derived using the methods based on the solution of direct and inverse problems of heat transfer. On the basis of the different boundary conditions and sine-shaped daily and annual temperature cycles, a number of equations were proposed for calculating the thermal diffusivity that contained logarithms, arctangents of amplitudes, and the phase shift between the daily temperatures at two depths. A mean-integral solution was obtained for the estimation of the average temperature in a specific soil layer. A number of methods were developed starting from the analysis of the temperature dynamics on the basis of four daily observations at the same depth with 6-hour intervals, and nomograms were given for the rapid and simple calculation of the soil thermal diffusivity at a specific depth. The developed methods can be used for assessing the soil thermal diffusivity under natural conditions, which should improve the reliability, accuracy, and adequacy and expand the application range of predictive mathematical models for the thermal regime of soils.en_US
dc.description.sponsorshipSelcuk University in Konya, TurkeySelcuk University [09-07-1024]; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [07-04-00131, 09-05-00564]en_US
dc.description.sponsorshipThis work was supported in part by the Scientific Research Projects (BAP) of Selcuk University in Konya, Turkey (project no. 09-07-1024) and the Russian Foundation for Basic Research (project nos. 07-04-00131 and 09-05-00564).en_US
dc.identifier.doi10.1134/S1064229310050091en_US
dc.identifier.endpage564en_US
dc.identifier.issn1064-2293en_US
dc.identifier.issue5en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage556en_US
dc.identifier.urihttps://dx.doi.org/10.1134/S1064229310050091
dc.identifier.urihttps://hdl.handle.net/20.500.12395/25424
dc.identifier.volume43en_US
dc.identifier.wosWOS:000279216000009en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherMAIK NAUKA/INTERPERIODICA/SPRINGERen_US
dc.relation.ispartofEURASIAN SOIL SCIENCEen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.selcuk20240510_oaigen_US
dc.titleTheoretical Principles of Experimental Methods for Determining the Thermal Diffusivity of Soilsen_US
dc.typeArticleen_US

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