TY - JOUR
T1 - Estimation of thermal conductivity of silicate melts using three-dimensional thermal resistor network model
AU - Nishi, Tsuyoshi
AU - Ohta, Hiromichi
AU - Sukenaga, Sohei
AU - Shibata, Hiroyuki
N1 - Funding Information:
This work was supported in part by a Grant-in-Aid for Scientific Research (B) (KAKENHI) from the Japan Society for the Promotion of Science [grant number 16H04543 ]. This study was performed under the “Dynamic Alliance for Open Innovation Bridging Human, Environment and Materials” Research Program of the Network Joint Research Center for Materials and Devices, Japan.
Publisher Copyright:
© 2017 Elsevier B.V.
PY - 2018/2/15
Y1 - 2018/2/15
N2 - The thermal conductivity of silicate melts was evaluated using a thermal resistor network model, which consisted of a diamond lattice. Based on the assumption that the mean free path of phonons is shorter than the interatomic distance, the thermal conductivity of the silicate melts was calculated through a Monte-Carlo simulation based on the non-bridging oxygens to tetrahedral cations (NBO/T) ratio and the ratio of the conductance of silicon with NBOs (CSi-NBO) to that of silicon with bonding oxygens (CSi-BO). For NBO/T < 1, the simulated thermal conductivity of the silicate melts was in good agreement with that reported in the literature. Thus, the proposed method and the three-dimensional thermal resistor network model used are suitable for estimating the thermal conductivity of silicate melts.
AB - The thermal conductivity of silicate melts was evaluated using a thermal resistor network model, which consisted of a diamond lattice. Based on the assumption that the mean free path of phonons is shorter than the interatomic distance, the thermal conductivity of the silicate melts was calculated through a Monte-Carlo simulation based on the non-bridging oxygens to tetrahedral cations (NBO/T) ratio and the ratio of the conductance of silicon with NBOs (CSi-NBO) to that of silicon with bonding oxygens (CSi-BO). For NBO/T < 1, the simulated thermal conductivity of the silicate melts was in good agreement with that reported in the literature. Thus, the proposed method and the three-dimensional thermal resistor network model used are suitable for estimating the thermal conductivity of silicate melts.
KW - Conductance ratio
KW - Diamond lattice
KW - NBO/T ratio
KW - Silicate melt
KW - Thermal conductivity
KW - Thermal resistor network model
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U2 - 10.1016/j.jnoncrysol.2017.11.014
DO - 10.1016/j.jnoncrysol.2017.11.014
M3 - Article
AN - SCOPUS:85033801853
VL - 482
SP - 9
EP - 13
JO - Journal of Non-Crystalline Solids
JF - Journal of Non-Crystalline Solids
SN - 0022-3093
ER -