Determination of moisture diffusivity in porous materials using gamma-method

被引：58

作者：

Nizovtsev, M. I. ^{[1
]}

Stankus, S. V. ^{[1
]}

Sterlyagov, A. N. ^{[1
]}

Terekhov, V. I. ^{[1
]}

Khairulin, R. A. ^{[1
]}

机构：

[1] Inst Thermophys SB RAS, Novosibirsk 630090, Russia

来源：

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2008年 / 51卷 / 17-18期

基金：

俄罗斯基础研究基金会;

关键词：

moisture diffusivity; porous material; gamma-method;

D O I：

10.1016/j.ijheatmasstransfer.2008.01.013

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

In the present paper, results of an experimental gamma ray study of moisture transfer processes in porous material are reported. Evolution of moisture profiles in porous concrete samples during sorption and capillary moistening has been examined. Measured moisture profiles were used to determine, by the Boltzmann-Matano method, the coefficient of moisture diffusion versus Moisture content of the material under various moistening conditions. (c) 2008 Published by Elsevier Ltd.

引用

页码：4161 / 4167

页数：7

共 16 条

[1]

BASIN AS, 1991, THERMOPHYSICAL PROPE, P100

[2]

BERLINER MA, 1965, ELECT MEASUREMENTS A, P173

[3]

BOKSHTEIN BS, 1978, DIFFUSION METALS MET, P27

[4]

ERMOLENKO VD, 1962, J ENG PHYS THERMOPH+, V5, P70

[5]

FENELONOV VB, 2002, URSS ACAD SCI SIB DI, P120

[6]

GLASER H, 1958, KALTETECHNIK, V11, P358

[7] UNSATURATED WATER-FLOW WITHIN POROUS MATERIALS OBSERVED BY NMR IMAGING [J].

GUMMERSON, RJ ;

HALL, C ;

HOFF, WD ;

HAWKES, R ;

HOLLAND, GN ;

MOORE, WS .

NATURE, 1979, 281 (5726) :56-57

[8] An 1H NMR microimaging study of water vapor sorption by individual porous pellets [J].

Koptyug, IV ;

Khitrina, LY ;

Aristov, YI ;

Tokarev, MM ;

Iskakov, KT ;

Parmon, VN ;

Sagdeev, RZ .

JOURNAL OF PHYSICAL CHEMISTRY B, 2000, 104 (08) :1695-1700

[9]

Nizovtsev MI, 2005, J ENG PHYS THERMOPH+, V78, P68, DOI 10.1007/s10891-005-0031-8

[10]

NIZOVTSEV MI, 2002, IZVESTIA VUZOV STROI, V4, P123

← 1 2 →