連続体の構成式と熱力学的非局所効果

概要

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Recently, nonlocal effects were introduced in thermodynamics by the author, and materials with these effects were called thermopolar materials. We imagine that each point of a thermopolar continuum has an internal structure which allows distributing thermodynamic quantities on the analogy of mechanical polar materials. First and second laws of thermodynamics are coupled and each term is averaged over the microscopic volume. The obtained formulae have simple forms compared with the expressions in the previous reports, though second-order terms are estimated rigorously. Reciprocal temperatures are used for the series expansion, and new thermodynamic potential is introduced. Finally, a form of the constitutive equation of the stress is presented, which includes the terms of temperature gradient.
一般社団法人日本機械学会の論文
1992-05-25