B123 TBAB水和物スラリーの流動および熱伝達特性に関する研究(固液相変化を伴う伝熱現象I)

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In this study, flow and heat transfer characteristics of Tetra-n-butyl ammonium bromide (TBAB) hydrate slurry in horizontal pipes were investigated experimentally, and the pressure drop and coefficient of heat transfer were measured. Then, the initial concentration, solid fraction and Reynolds number were varied as the parameters. The results of measurement were arranged using the non-dimensional parameters, such as the coefficient of pipe friction and Nusselt number. As a result, in the laminar flow condition, it was seen that the coefficient of pipe friction and Nusselt number increase with an increase in the solid fraction. On the other hand, in the turbulent flow condition, coefficient of pipe friction and Nusselt number were similar to the values without solid phase in low solid fraction.
2009-11-06