Investigation on Visualization Test Methods for Flow Field Downstream Spacer Grids

Qu Wenhai; Chen Shilong; Xiong Jinbiao; Cheng Xu; Wang Xiaoyu; Du Sijia

doi:10.13832/j.jnpe.2018.02.0120

Volume 39 Issue 2

Feb. 2025

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Article Navigation > Nuclear Power Engineering > 2018 > 39(2): 120-123

Qu Wenhai, Chen Shilong, Xiong Jinbiao, Cheng Xu, Wang Xiaoyu, Du Sijia. Investigation on Visualization Test Methods for Flow Field Downstream Spacer Grids[J]. Nuclear Power Engineering, 2018, 39(2): 120-123. doi: 10.13832/j.jnpe.2018.02.0120

Citation:

Qu Wenhai, Chen Shilong, Xiong Jinbiao, Cheng Xu, Wang Xiaoyu, Du Sijia. Investigation on Visualization Test Methods for Flow Field Downstream Spacer Grids[J]. Nuclear Power Engineering, 2018, 39(2): 120-123. doi: 10.13832/j.jnpe.2018.02.0120

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Investigation on Visualization Test Methods for Flow Field Downstream Spacer Grids

doi: 10.13832/j.jnpe.2018.02.0120

1. School of Nuclear Science and Engineering, Shanghai Jiao Tong University, 200240, Shanghai, China;
2. Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of China, 610041, Chengdu, China

Received Date: 2017-12-20
Rev Recd Date: 2018-01-18

Available Online: 2025-02-09

Abstract

Abstract

When visualization measurement techniques,such as particle image velocimetry（PIV） and laser Doppler velocimetry（LDV）,are applied in rod bundle experiments,measurement locations are restricted due to blockage and refraction by solid rods.Employing matched index of refraction（MIR） techniques for the high Reynolds number flow in fuel assembly,the MIR method of FEP and water and the MIR method PMMA and sodium iodide solution are chosen and tested.The results show that the flow field behind rods can be achieved by the two MIR methods.
- Spacer grid,
- Flow field in rod bundle,
- Visualization measurement,
- Matched index of refraction