This paper describes the experimental study of two phase density wave oscillation in natural circulation loop. The oscillation curves under different conditions are obtained.
在自然循环水回路上进行了两相流密度波不稳定性的实验研究，得到了不同工况下的实时脉动曲线。
Furthermore, the results based on different models are compared, which may provide some references for the practical design and operation of two phase natural circulation loop.
并将结果与漂移模型计算结果进行比较，结果可为两相自然循环回路设计、运行提供参考。
We have mainly researched two FM signal demodulation techniques called Frequency Spectrum Separation and Phase Lock Loop in the first part.
一次解调中研究了频谱分离法和锁相法两种实现鉴频的技术。
The steam-water two-phase flow instability in vertical parallel pipes was studied experimentally in the high pressure steam-water test loop.
在高压汽水回路上对垂直并联管中汽液两相流不稳定性进行了试验研究。
This paper describes an experimental and theoretical research on the two-phase flow pattern transition of downflow in vertical helical coils in an air-water loop.
本文对低压水-空气两相流动在立式螺旋管内向下流动的流型及其转变特性进行了实验和理论研究。
Extensive experiments of steam-water two-phase flow and boiling heat transfer in a vertical helically-coiled tube were carried out in high pressure water test loop of Xi an JiaotongUniversity.
报导了在西安交通大学高压汽水实验回路上进行的垂直螺旋管内汽水两相流传热试验研究。
The phase lock loop is a feedback control system that makes two telecommunication signals' phase synchronization, suitable to the synchronous trigger circuit of the convertor device.
锁相环路是完成两个电信号相位同步的反馈控制系统，适宜于变流装置的同步触发电路之中。
This article is the technical summarization that we developed over past two years phase-locked velocity servo loop for three-phase asynchronous motor that drives gas-dynamic free-rotor gyroscope.
本文是两年来研制动压气浮陀螺驱动马达锁相式速度控制系统的技术总结。
This article is the technical summarization that we developed over past two years phase-locked velocity servo loop for three-phase asynchronous motor that drives gas-dynamic free-rotor gyroscope.
本文是两年来研制动压气浮陀螺驱动马达锁相式速度控制系统的技术总结。
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