0914 ポリカーボネート樹脂の相変態中における温度強度測定に関する新技術(OS9-3 混相流の多次元可視化計測,オーガナイズドセッション)

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This paper discusses the new role of Electrical Capacitance Tomography (ECT) in investigating the temperature distribution during phase transformation of the polycarbonate resins. The mean objective of this study is to measure the heat intensity and to track the temperature distribution during heating process of the said resins. The polycarbonate resins were placed inside the beaker with 12-electrodes array circumferentially mounted inside on it. The other ends of the electrodes were connected to the ECT. Heater plate was placed between beaker and heater to avoid cracking. Heat has been applied with 10 minutes allotted time. The electrical properties of the resins, relative permittivity in particular has been gathered through ECT and were fed to the computer where in images have been displayed that shows heat intensity and temperature level occurs to polycarbonate during phase change. The temperature value in a particular point radius has been calculated out of the relative permittivity using the Clausius -Mosotti equation. It was found out in this experiment that the relative permittivity greatly varies with temperature. ECT is not only suitably excellent in measuring electrical properties of a certain material(in this case polycarbonate) but it is also applicable to use in tracing the path of one of the most important thermodynamic parameters such as temperature.
2010-10-29