矩形管内を流れるTBAB水溶液からの水和物結晶成長

抄録

Tetra-n-butyl ammonium bromide (TBAB) hydrate has been attracting attentions as a thermal energy storage material because their phase equilibrium temperature is optimal for air-conditioning system. When flowing a TBAB aqueous solution in a cooling pipe, a layer of TBAB hydrate may form in the pipe. Therefore, the growth characteristics of the hydrate layer should be clarified. The objective of this study was to clarify the growth behavior of TBAB hydrates formed on the cooling surface when the TBAB aqueous solution flowing in a rectangular channel is cooled. Experimental results showed that the growth rate of TBAB hydrate is slower than that of ice and that obtained from the Stefan solution.