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- Churn flow and annular flow are common flow patterns encountered in gas-liquid systems through conduits. 摘要对垂直同心环形管内上升气液团状流向环状流的转换进行了研究。
- Its basic principle is that there is a quite steady flow state of annular flow in the flow pattern of gas-liquid two-phase flow. 模型是建立在压力能量消耗率最小的原理上的,其基本原理是:在气-液两相流的流型中,环状流具有相当稳定的流动状态。
- The gas-liquid annular flow model of evaporation heat transfer in helically grooved, horizontal microfin tubes has been developed. 本文提出了基于气液环状流的水平螺旋微肋管内沸腾传热理论预测模型。
- Annular flow was analyzed for boiling heat transfer in vertical narrow rectangular gap with liquid drop entrainment in this paper. 摘要对竖直矩形狭缝通道内有液滴卷吸环状流阶段流动沸腾进行分析。
- It is pointed that the failure of this model in predicting the transition stems from the non-objective of the momentum balance relationship of smooth annular flow. 由此阐明了该模型难以正确预测微重力条件下气/液两相弹-环状流转换条件的原因在于光滑环状流动量平衡关系的非客观性。
- The liquid upward transport mechanism is very important for predicting the circumferential liquid film thickness distribution in horizontal gas-liquid annular flow. 为更为准确地预测液膜厚度,综合考虑了扰动波抽吸作用机理、气体二次流机理及液滴沈降和携带机理;
- Ibashi W,Groppi G.Kinetic measurements of CH4 combustion over a 10% PdO/ZrO2 catalystusing an annular flow microreactor[J].Catalysis Today,2003,83:115-129. 李跃龙;张婷.;溶胶乳化液凝胶法制备二氧化锆等离子喷涂粉料[J]
- With the experimental data of air-water verticle annular flow, 8 pressure differential calculations such as Duns-Ros rnethode etc. are checked and evaluated. 本文以空气-水铅直环空流动的实验资料,检验和评价了丹斯-若斯等八种压差计算方法。
- This paper developed an equation of differential pressure and Reynolds' numbers for pipe and annular flow, and presened a method of accurate calculation of rheologic parameters. 本文推导了管流和环空流动的压降公式和雷诺数,提出了精确确定流变参数的计算方法。
- Considering gravity, interfacial shear stress, surface tension and interfacial thermal resistance, the analysis model for annular flow condensation heat transfer in microtube was presented. 本文提出了微圆管内环状流凝结换热的分析模型,考虑了重力、汽液界面剪切力、表面张力以及界面凝结热阻的作用。
- The results show that the quality of carbon dioxide was much lower than other refrigerants when annular flow occurs and the heat transfer rate changed abruptly through the dryout point. 结果表明,与传统制冷剂相比,二氧化碳出现环状流以及发生干涸时的干度值要低得多,并且干涸点前后其表面传热系数变化极大。
- With the re-defined diameter, the subcooled boiling CHF model is modified based on the liquid sublayer dryout model, and the annular flow CHF model is also modified based on liquid film dryout model. 采用重新定义后的当量直径对圆管过冷沸腾液相底层烧干机理模型和环状流液膜烧干模型进行修正。
- Computation of eccentric annular flowing on Bingham-fluid in pipe is approximate in many literatures and is not of universality. 在调研了大量关于宾汉流体偏心环状管流的文献之后,发现大都是近似计算而不具有普适性。
- The annular markings on a tree indicate its age. 树的环形纹理显示其年龄。
- twin-tangential annular flow gas distributor 双切向环流气体分布器
- Numerical Modeling of Eccentric Annular Flow of Bingham-fluid 宾汉流体偏心环状管流的数值模拟
- A free flow of water came from the pipe. 水从管道里通畅地流了出来。
- In convection, hot currents flow upwards. 在对流中热气流向上运动。
- After several pumps, the water began to flow. 用泵抽了几下之后,水流出来了。
- It was reported that there would be an annular eclipse tomorrow. 据报道说,明天有日环食。