TY - JOUR
T1 - Investigation of Thermal Conductivity of Diatomic Liquid by Molecular Dynamics Method
AU - Tokumasu, Takashi
AU - Ohara, Taku
AU - Kamijo, Kenjiro
PY - 2003/7
Y1 - 2003/7
N2 - In this paper the effect of molecular structure on thermal conductivity of diatomic liquid is analyzed by the Molecular Dynamics (MD) Method. Five liquids such as O2, CO, CS2, Cl2 and Br2 are assumed and 2 center Lennard-Jones (2 CLJ) potential is used for these molecules. First, simulations are performed at various combinations of density and temperature and Equation of State (EOS) of each liquid is obtained by using these results. Using the equations critical temperature and density of each liquid is obtained. Thermal conductivities of these liquids at the corresponding state based on each critical temperature and density (T=0.7T cr and ρ=2.24ρcr) are simulated and the results are compared with experimental results. Moreover, these results are reduced based on m, ρcr and Tcr and compared with each other. The reduced thermal conductivity increases as the elongation of molecule increases.
AB - In this paper the effect of molecular structure on thermal conductivity of diatomic liquid is analyzed by the Molecular Dynamics (MD) Method. Five liquids such as O2, CO, CS2, Cl2 and Br2 are assumed and 2 center Lennard-Jones (2 CLJ) potential is used for these molecules. First, simulations are performed at various combinations of density and temperature and Equation of State (EOS) of each liquid is obtained by using these results. Using the equations critical temperature and density of each liquid is obtained. Thermal conductivities of these liquids at the corresponding state based on each critical temperature and density (T=0.7T cr and ρ=2.24ρcr) are simulated and the results are compared with experimental results. Moreover, these results are reduced based on m, ρcr and Tcr and compared with each other. The reduced thermal conductivity increases as the elongation of molecule increases.
KW - Diatomic Molecule
KW - Equation of State
KW - Heat Conduction
KW - Heat Transfer
KW - Molecular Dynamics
KW - Thermophysical Property
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U2 - 10.1299/kikaib.69.1644
DO - 10.1299/kikaib.69.1644
M3 - Article
AN - SCOPUS:0142007932
SN - 0387-5016
VL - 69
SP - 1644
EP - 1650
JO - Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
JF - Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
IS - 683
ER -