Performance Test of a New Type Heat Exchange Tube with Internally Revolved Rib in Once-Through Steam Generator

Zhao Guozheng

doi:10.13832/j.jnpe.2015.03.0024

Volume 36 Issue 3

Feb. 2025

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Zhao Guozheng. Performance Test of a New Type Heat Exchange Tube with Internally Revolved Rib in Once-Through Steam Generator[J]. Nuclear Power Engineering, 2015, 36(3): 24-27. doi: 10.13832/j.jnpe.2015.03.0024

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Zhao Guozheng. Performance Test of a New Type Heat Exchange Tube with Internally Revolved Rib in Once-Through Steam Generator[J]. Nuclear Power Engineering, 2015, 36(3): 24-27. doi: 10.13832/j.jnpe.2015.03.0024

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Performance Test of a New Type Heat Exchange Tube with Internally Revolved Rib in Once-Through Steam Generator

doi: 10.13832/j.jnpe.2015.03.0024

Zhao Guozheng

Nuclear Power Institute of China, Chengdu, 610041, China

Received Date: 2014-05-12
Rev Recd Date: 2015-05-10

Available Online: 2025-02-15

Abstract

Abstract

Looking for high-performance and minimized heat exchange tube is one of the way for improving the performance of Once-through steam generator（OTSG）. This paper introduced the thermal-hydraulic experimental research on a new type heat exchange tube with internally revolved rib. The test system and the experiment model were presented. The heat transfer coefficient of the heat exchange tube and the influence of pitch on Nu were analyzed under different mass flow. The revolved rib showed a distinctive improvement on heat transfer performance under high Re condition, and minimizing the pitch was a good choice to enhance the heat exchange.
- OTSG,
- Heat exchange tube,
- Internally revolved rib,
- Thermal-hydraulics

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