Characteristics of thermal energy transfer governed by molecular-scale structure in polymer liquids and soft matters

2014 Fiscal Year Final Research Report

• Project/Area Number: 24560218
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Thermal engineering
• Research Institution: Tohoku University
• Principal Investigator: OHARA Taku 東北大学, 流体科学研究所, 教授 (40211833)
• Project Period (FY): 2012-04-01 – 2015-03-31
• Keywords: 熱工学 / 分子伝熱 / 界面熱抵抗 / ポリマー液体 / ソフトマター / 構造 / 熱輸送

Outline of Final Research Achievements

The aim of this study is to clarify anomalous characteristics of thermal energy transfer in polymer liquids and soft matters focusing on their nonuniform and anisotropic structures. Interfaces of linear chain alkane liquids and lipid bilayer membranes were selected for materials analyzed as the liquid and soft matter. Some new findings such as an oscillatory distribution of thermal conductivity in the layered region of the liquid in the vicinity of a solid surface and the fact that thermal boundary resistance between the two monolayers of a lipid bilayer is significantly influenced by species of lipid were obtained. Based on these findings, the relation between the molecular-scale structure and thermal energy transport characteristics was discussed.

Free Research Field

熱工学