Analysis of Relevant Problems of Shape Flow Resistance in Nuclear Power Plants

Yao Yangui; Shi Yang; Zhang Kai; Lu Mingchao

doi:10.13832/j.jnpe.2015.05.0083

Volume 36 Issue 5

Feb. 2025

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Article Navigation > Nuclear Power Engineering > 2015 > 36(5): 83-86

Yao Yangui, Shi Yang, Zhang Kai, Lu Mingchao. Analysis of Relevant Problems of Shape Flow Resistance in Nuclear Power Plants[J]. Nuclear Power Engineering, 2015, 36(5): 83-86. doi: 10.13832/j.jnpe.2015.05.0083

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Yao Yangui, Shi Yang, Zhang Kai, Lu Mingchao. Analysis of Relevant Problems of Shape Flow Resistance in Nuclear Power Plants[J]. Nuclear Power Engineering, 2015, 36(5): 83-86. doi: 10.13832/j.jnpe.2015.05.0083

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Analysis of Relevant Problems of Shape Flow Resistance in Nuclear Power Plants

doi: 10.13832/j.jnpe.2015.05.0083

Shanghai Nuclear Engineering Research and Design Institute, Shanghai, 200233, China

Received Date: 2014-12-22
Rev Recd Date: 2015-06-23

Available Online: 2025-02-15

Abstract

Abstract

In the nuclear power plant, the flow resistance is an important factor for the design of the primary system. This paper clarified the cause for the shape flow resistance by analyzing the sudden expansion flow. The effect of the downstream resistance object on the total resistance was also examed by analyzing the flow resistance of the sudden expansion configuration close to a uniform pore plate or a sudden contraction configuration. The designers were advised to analyze the coupling effect of the upstream and downstream resistance objects in detail. To a specific problem, special analysis and demonstration were necessary to make sure whether the total resistance was equal to the sum of the resistance of each object or not.
- Shape flow resistance,
- Downstream resistance object,
- Effect on the total flow resistance

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