Thermal Stress and Heat Storage Capacity in Sphere Heated by Fluid Having Varying Temperature

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概要

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• This work is concerned with the thermal stress and the heat storage capacity in pebbles exposed to a fluid of which the temperature changes periodically. The industrial application of such a heated sphere can be seen in a heat exchanger of thermal-storage type used as one of the system components in power plant such as high temperature gas cooled reactor and MHD power generation. In this study theoretical analysis is performed for three different types of temperature variation in pebbles heated by fluid. The results of numerical analysis clarify the thermoelastic behaviour and heat storage capacity and it is concluded that the trapezoidal heating is the most suitable one of the three, in view of the magnitude of induced thermal stress and the efficiency of heat transfer.

• 一般社団法人日本機械学会の論文

著者

• Fujii Iwane

  Faculty Of Engineering Meiji University

関連論文

• Thermal Stress and Heat Storage Capacity in Sphere Heated by Fluid Having Varying Temperature

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