鈉管道 的英文怎麼說
中文拼音 [nàguǎndào]
鈉管道
英文
sodium channel-
In the machinery industry, the sodium citrate is widely used for replacing sodium cyaniding to clean the metal surface of heat exchanger metal surface and the chemical pipeline, because of its nonpoisonous, no pollution, high combine performance, it is good buffer and complexing agent in the electroplate industry
在機械造業中，檸檬酸納由於無毒、無污染，高整合性能，因此廣泛用於替代氰化鈉，處理金屬表面熱交器和化工管道的清洗劑，是電鍍工業良好的緩沖劑和絡合劑。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
對歧管式單通道熱沉流動特性的研究結果表明，微通道內流體流態由層流向紊流轉變的臨界雷諾數提前;改變流體的進出口方向對熱沉總壓降造成的影響很小;摩擦系數的實驗值與理論值較接近;數值模擬結果能夠與實驗值較好吻合;並由實驗給出了紊流區流動阻力的實驗關聯式。此外，選用十二烷基硫酸鈉（ sodiumdodecylsulphate ， sds ）以及烷基多糖苷（ alkylpolyglycoside ， apg ）作為減阻添加劑，研究了表面活性劑添加對微通道流動特性的影響。
分享友人