Application of limiting diffusion current technique to investigation of transfer characteristics in two-phase flow LDCT法气液两相流传递特性研究
The method applying the Limiting Diffusion Current Technique ( LDCT) and heat transfer measurement together is used to separate the effect of interfacial vaporization heat sink in pool nucleate boiling process. 采用扩散极限电流技术(LDCT)与传热测定同时进行的实验方法分析了池核沸腾中的界面汽化热阱效应。
When the modified electrode is rotating, a distinct limiting diffusion current appears. 在旋转电极上呈现出明显的极限扩散电流,电化学阻抗谱呈现一个压扁的半圆。
The signal fluctuation of limiting diffusion current in gas-liquid two-phase flow was analyzed by wavelet theory with 6-level analysis and reconfiguration to investigate the instantaneous and local characteristics of the process. 实验中对气液两相流瞬时极限电流信号进行了测量与分析,采用小波分析法对瞬时极限电流波动信号进行了6尺度分解与重构,深入认识了气液两相流的传递过程。
Magnetic field enhanced the cathodic diffusion of Fe 3+ on copper electrode, and cathodic limiting diffusion current density increased with magnetic field intensity. 磁场加速铜电极上三价铁离子的阴极扩散过程,随磁场强度增大,阴极极限扩散电流密度增大;
The characteristics of mass and heat transfer of single liquid phase and gas-liquid two-phase flow in a vertical tube were studied with limiting diffusion current technique ( LDCT) and the theory of heat and mass transfer analogue. 用极限扩散电流技术(LDCT)对竖直管内的液体单相流与气液两相流的传质特性进行了测量,经三传类比由测量结果获得了传热特性。
At present oxygen sensors used in controlling the ratio of air and fuel can be divided into three types: oxide semiconductor sensor, oxygen concentration cell type sensor and limiting diffusion current sensors. 目前适用于汽车空燃比控制的传感器主要有三种:氧化物半导体型(TiO2传感器)、浓差电池型(ZrO2氧传感器)、极限电流型。
Combining the limiting diffusion current technique and the synchronous data record method, the hydrodynamics and the transfer of several flow regimes that may occur in this crystallizer is investigated at first. 结合极限扩散电流技术和同步数据采集方法,对鼓泡塔结晶器管内可能出现的流动型式及其传递进行了实验研究,发现用拟均相方法处理鼓泡流动将会带来较大误差;