针对油气集输管线中气液两相团状流的流动机理和特点，将每一段塞单元划分为带液层的气塞区和液塞区两个区域。
Based on the flow mechanism and performance of gas liquid two phase plug flow in oil gas gathering line, a slug unit are divided into both gas slug region with liquid film and liquid slug region.
实验结果表明，在一些气-水流量区域，两相流体在一个摇摆周期内存在两种流动型式。
It was found that there are two flow patterns in one rolling period under some gas flux and water flux.
结果显示：气液两相间的速度滑移和温度滑移在整个两相区一直存在，但在绝大部分区域内，这种非平衡性并不显著；
The results show that both the inter-phase velocity slip and temperature slip always exist in the whole two-phase region, but are not obvious.
相图上呈现两个两相共存区域和一个单相区域。
There are one single_phase region and two two_phase regions in the phase section.
本文对垂直气固两相流动系统中，从初始流态化到气力输送的整个区域内气固两相之间的相互作用规律进行了研究。
The interaction between gas and particles under different flow regimes, ranging from minimum fluidization to pneumatic transportation, was investigated in a vertical gas-solid flow system.
油水两相区区域较窄，油藏可动油饱和度较低，油藏采收率不高；
Recovery efficiency of oil reservoir is not high for thin oil-water two-phrase region and low movable oil saturation.
为此，本文有兴趣对该区域的气固两相流动特性进行重新审视和仔细研究。
This work surveys and focuses on the characteristic of gas-solid two-phase flowat the exit region.
通过采用流动显示、PDA、PIV 等多种先进测试手段从定性到定量，从单点时均到全场瞬时，从多个角度深入探讨了两相圆湍射流中近喷口区域颗粒相对气相调制规律的物理机制。
The physical mechanism of the modulation law from the particle-phase to the gas-phase was discussed from several points of view by means of flow visualization, PDA and PIV measurement.
通过采用流动显示、PDA、PIV 等多种先进测试手段从定性到定量，从单点时均到全场瞬时，从多个角度深入探讨了两相圆湍射流中近喷口区域颗粒相对气相调制规律的物理机制。
The physical mechanism of the modulation law from the particle-phase to the gas-phase was discussed from several points of view by means of flow visualization, PDA and PIV measurement.
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