Effects of Water Content and NaCl Concentration on Thermal Conductivity of Swelling and Nonswelling Clays
|
Accession number;03A0495284
|
| Title;Effects of Water Content and NaCl Concentration on Thermal Conductivity of Swelling and Nonswelling Clays |
| Author;
MOCHIZUKI HIDETOSHI
(Tottori Univ., Aridland Res. Center)
MIZOGUCHI MASARU
(Univ. Tokyo, Graduate School of Agricaltural and Life Sci., JPN)
MIYAZAKI TSUYOSHI
(Univ. Tokyo, Graduate School of Agricaltural and Life Sci., JPN)
|
Journal Title;Transactions of the Japanese Society of Irrigation, Drainage and Reclamation Engineering
|
Journal Code:S0345A
|
ISSN:0387-2335
|
|
VOL.;NO.225;PAGE.341-347(2003)
|
| Figure&Table&Reference;FIG.9, TBL.2, REF.12 |
| Pub. Country;Japan |
| Language;Japanese |
| Abstract;Thermal conductivities were measured to clarify the effects of water content and NaCl concentration on thermal conductivity of swelling clay, Kunigeru V1, and nonswelling clay, Kaolin, by the twin heat probe method. The thermal conductivity of nearly saturated Kunigeru V1 decreased inversely with mass basis water content, to the value of water thermal conductivity. When NaCl concentration was limited within a range where no flocculation of Kunigeru V1 occurs, thermal conductivity was not affected by NaCl concentration. On the other hand, the thermal conductivity of Kaolin increased linearly in the range of 10-30 % of water content and maintained its maximum value at higher water content. Contrary to our expectation, thermal conductivity of Kaolin either decreased, or maintained constant values with NaCl concentrations. The empirical formula for each clay, which describes the effects of both water content and NaCl concentration was proposed. (author abst.) |
|
|
|
Related Articles;
|
|
