紊流转变 meaning in Chinese
turbulence transition
Examples
- The experimental results of the flow characteristics of the mmc heat sink indicate that the critical reynolds number signifying the transition from laminar flow to turbulent flow is in advance ; under the same experimental conditions , the variation in entrance direction of the microchannel inlet and outlet has little effect on the microchannel ; the experimental values of the friction factor of the de - ionized water in a microchannel agree well with those calculated using the theoretical laminar formula ; furthermore , a comparison of the experimental results and simulation results shows that navier - stokes equation and rng - turbulence model can be used to model the laminar and turbulence flow regions in a microchannel ; meanwhile , the correlations of the flow resistance in the turbulent flow regions for the de - ionized water as the working fluids are obtained from experiments
对歧管式单通道热沉流动特性的研究结果表明,微通道内流体流态由层流向紊流转变的临界雷诺数提前;改变流体的进出口方向对热沉总压降造成的影响很小;摩擦系数的实验值与理论值较接近;数值模拟结果能够与实验值较好吻合;并由实验给出了紊流区流动阻力的实验关联式。此外,选用十二烷基硫酸钠( sodiumdodecylsulphate , sds )以及烷基多糖苷( alkylpolyglycoside , apg )作为减阻添加剂,研究了表面活性剂添加对微通道流动特性的影响。