Abstract
Based on the CFD numerical simulation method, a pipe model was established to study the internal flow characteristics of two different specifications of hot water pipe system, and the related information of the flow field was obtained, such as the internal pressure, flow velocity and flow rate. The results showed that the smoother the pipeline transition was, the smaller the velocity uniformity coefficient would be, and the higher flow field uniformity means the smaller pressure and velocity fluctuations. Therefore, the pipeline vibration will be smaller, and the flow characteristics are greatly improved.
Highlights
Hot water pipeline system is widely used in energy, shipping, petrochemical, machinery and other industries
The design of the pipe network should meet the requirements of completing the pipeline system layout in the limited space, and ensure that all equipment parameters can meet the requirements of stable operation
We do research on the flow characteristics of the valve test system, which is designed for the operation performance test and discharge test of the pressurizer safety valve
Summary
Hot water pipeline system is widely used in energy, shipping, petrochemical, machinery and other industries. The unreasonable pipeline design and layout will lead to the loss of the pipeline resistance. The large flow rate will bring pipeline vibration, affecting the safety and reliability of the system. In the large-scale pipe network, the number of pipelines is large, add to the various specifications, and the complex layout. The layout and direction of the pipe network have great limitations due to the limited space. The design of the pipe network should meet the requirements of completing the pipeline system layout in the limited space, and ensure that all equipment parameters can meet the requirements of stable operation. We do research on the flow characteristics of the valve test system, which is designed for the operation performance test and discharge test of the pressurizer safety valve. We analyze two different pipe combinations to improve the flow characteristics, and propose the optimization scheme of pipe system combination
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