This paper proposes a theoretical method for calculating the flow within a circular pipe which is not filled up with fluid and thus has a partially free surface.
本文对未充满液体具有部分自由液面的圆管内的流动提出一种理论计算方法。
Solar trough systems use a series of curved mirrored troughs to focus the sun's energy on a pipe filled with a heat exchange fluid (oil).
太阳能槽式系统采用了一系列的弯曲镜像槽，是集中针对于管内液体转化热能的太阳能量(石油)。
The traditional measurement device fails to measure fluid flow when the pipe is not fully filled. This dissertation presents a new structure about the electro-magnetic flowmeter of unfilled pipes.
针对传统的电磁流量计不能测量流体未充满管道时的流体流量，本文提出了一种新的非满管电磁流量计测量结构。
Three types of mufflers for fluid-filled pipes are designed to minimize noise radiation from the pipe outlet. An experimental pipe system is built and the performances of the mufflers are tested.
设计了三种水管路消声器，建立了一套水管路模拟实验系统，对所设计的消声器消减管口辐射躁声的性能进行了实验测试。
Three types of mufflers for fluid-filled pipes are designed to minimize noise radiation from the pipe outlet. An experimental pipe system is built and the performances of the mufflers are tested.
设计了三种水管路消声器，建立了一套水管路模拟实验系统，对所设计的消声器消减管口辐射躁声的性能进行了实验测试。
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