The mixing characteristics between bulk flows and transpiring water are critical to feed degradation and water film formation inside a transpiring-wall reactor (TWR). In this study, a supercritical water oxidation system with an inner preheating TWR is established, and special experiments are designed by adding organic matter (glycerol) to the transpiring water to evaluate the mixing degree between the bulk flows and transpiring water in the hydrothermal flame zone. Although the chemical oxygen demand concentration of the reactor effluent increases significantly due to the addition of glycerol to the transpiring water, a certain amount of glycerol is entrapped into the flame zone and degraded. The increase in jet velocity with increased heat source flow or temperature is favorable for mixing and enhances jet entrainment. Moreover, increasing the transpiring coefficient and transpiring water temperature can increase the radial velocity of transpiring water, which also benefits mixing. Possible applications utilizing the mixing characteristics are further proposed.

大量水和蒸腾的水之间的混合特性对于在蒸腾壁反应器（TWR）内进料的降解和水膜的形成至关重要。在这项研究中，建立了具有内部预热TWR的超临界水氧化系统，并设计了特殊的实验，即在蒸腾的水中添加有机物（甘油），以评估热液火焰区中大流量与蒸腾的水之间的混合程度。 。尽管由于向蒸腾的水中添加了甘油，反应堆废水的化学需氧量浓度显着增加，但是一定量的甘油却被截留在火焰区并降解。随着热源流量或温度的增加，射流速度的增加有利于混合并增强了射流的夹带。而且，增加蒸发系数和蒸发水温度可以增加蒸发水的径向速度，这也有利于混合。进一步提出了利用混合特性的可能应用。