Estimating correlations for the effective thermal conductivity of granular materials

被引：155
|
作者：
Gonzo, EE [1 ]
机构：
[1] Univ Nacl Salta, CONICET, UNSa, INIQUI,Fac Engn, RA-1774400 Buenos Aires, DF, Argentina
来源：
CHEMICAL ENGINEERING JOURNAL | 2002年 / 90卷 / 03期
关键词：
effective conductivity; granular materials; dispersions of spheres; porous pellet conductivity;
D O I：
10.1016/S1385-8947(02)00121-3
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Based on the well-known solution of Maxwell [1] for the thermal conductivity of dilute dispersions of spheres and the improved form of Maxwell's equation developed by Chiew and Glandt [2], two general correlation for k(eff) estimation are proposed. One of them apply to medium dense dispersions (0.15 less than or equal to phi greater than or equal to 0.85) and the other one for dense porous materials (phi > 0.9). Both correlating equations encompass a wide range of phase conductivity ratio values. The comparison with experimental measurements shows very good agreement. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：299 / 302
页数：4
相关论文
共 50 条
  • [11] THERMAL-CONDUCTIVITY OF GRANULAR MATERIALS
    BUYEVICH, YA
    [J]. CHEMICAL ENGINEERING SCIENCE, 1974, 29 (01) : 37 - 48
  • [12] ANALYSIS OF THERMAL CONDUCTIVITY IN GRANULAR MATERIALS
    KRUPICZKA, R
    [J]. INTERNATIONAL CHEMICAL ENGINEERING, 1967, 7 (01): : 122 - +
  • [13] Determination of the effective thermal conductivity of granular materials under varying pressure conditions
    Huetter, E. S.
    Koemle, N. I.
    Kargl, G.
    Kaufmann, E.
    [J]. JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS, 2008, 113 (E12)
  • [14] EFFECTIVE THERMAL-CONDUCTIVITY OF A GRANULAR BED
    NARINSKII, DA
    [J]. HIGH TEMPERATURE, 1981, 19 (03) : 422 - 425
  • [15] Development of the random simulation model for estimating the effective thermal conductivity of insulation materials
    Ji, Ru
    Zhang, Zuotai
    Liu, Lili
    Wang, Xidong
    [J]. BUILDING AND ENVIRONMENT, 2014, 80 : 221 - 227
  • [16] Evaluation of effective thermal conductivity of unsaturated granular materials using random network model
    Lee, Chulho
    Zhuang, Li
    Lee, Dongseop
    Lee, Seokjae
    Lee, In-Mo
    Choi, Hangseok
    [J]. GEOTHERMICS, 2017, 67 : 76 - 85
  • [17] Effective conductivity of loaded granular materials by numerical simulation
    Zinchenko, AZ
    [J]. PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES, 1998, 356 (1749): : 2953 - 2998
  • [18] Effective thermal conductivity in thermoelectric materials
    Baranowski, Lauryn L.
    Snyder, G. Jeffrey
    Toberer, Eric S.
    [J]. JOURNAL OF APPLIED PHYSICS, 2013, 113 (20)
  • [19] EFFECTIVE THERMAL CONDUCTIVITY OF GRANULAR SOLIDS IN ROTARY UNITS
    BRETSZNAJDER, S
    SURDACKI, T
    ZIOLKOWSKA, D
    [J]. BULLETIN DE L ACADEMIE POLONAISE DES SCIENCES-SERIE DES SCIENCES CHIMIQUES, 1963, 11 (12): : 711 - &
  • [20] A DEM study on the effective thermal conductivity of granular assemblies
    Zhang, H. W.
    Zhou, Q.
    Xing, H. L.
    Muhlhaus, H.
    [J]. POWDER TECHNOLOGY, 2011, 205 (1-3) : 172 - 183
12345