| Budget Amount *help |
¥17,550,000 (Direct Cost: ¥13,500,000、Indirect Cost: ¥4,050,000)
Fiscal Year 2020: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2019: ¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2018: ¥8,190,000 (Direct Cost: ¥6,300,000、Indirect Cost: ¥1,890,000)
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| Outline of Final Research Achievements |
When the scale decreases in the heat transfer phenomena, stochastic factor of the fluctuation should be considered in addition to the deterministic factor which represents the overall direction. In this study, we developed a solid surface temperature measurement system based on two-dimensional thermo-reflectance method to obtain the thermal conductivity of the nano-wires dispersed on glass substrate and having network structure of stochastic connections. The measurement system has nano-scale time and spatial resolutions, and we measured the two-dimensional temperature distribution and heat transfer characteristic of nano-wire network, and also the transport characteristics of microchannel flow of micro-particle mixed fluid and heat transfer coefficient of dilute polymer solution. The time and spatial fluctuation characteristics caused by the wire connections and particle passing were evaluated using the stochastic functions and statistic analysis using Weibull distribution.
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