论文第六章对旋进旋涡流量计的流体振动特性进行实验研究。
The sixth chapter made an experiment study upon the fluid oscillation characteristics of vortex precession flowmeter.
利用流体力学有关原理，导出阿基米德螺线槽流量特性方程，为水力喷砂割缝设备微型流量控制阀的设计、制造、实验、应用提供了初步理论依。
The equation has preliminarily supplied a theoretical foundation for design, manufacture, experiment and application of miniature flow control valve of the water jetting slit-cut equipment.
分析了盘管管材、土壤类型、蓄冷温度、流体的流量、盘管间距以及土壤含水率等因素对管束内层盘管运行特性的影响。
Analyses the influence of some factors on the operation performance of inner coil, such as coil material, soil type, charging temperature, fluid flux, coil spacing and moisture content of soil, etc.
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