2018
DOI: 10.1088/1361-6501/aad5c3
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Measurement of subchannel void fraction in 5  ×  5 rod bundles using an impedance void meter

Abstract: In order to improve the ability to predict nuclear reactor behaviour, reliable measurement of the void fraction in a subchannel is essential. A subchannel impedance void meter (SCIVM) is developed and applied in air-water two-phase flow in 5 × 5 rod bundles, which consists of a six-strip emitter electrode and six-strip receiver electrode to cover the whole subchannel. Because of the lack of accurate void fraction calculation in the subchannel, the developed impedance void meter is calibrated by a four-sensor c… Show more

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Cited by 6 publications
(8 citation statements)
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“…The simulation is implemented by using the water and air under the atmospheric conditions. In Tab.1, each flow regime is shown based on the flow regime map by Mizutani et al (Mizutani, 2007) and Ren et al (Ren, 2018). In this study, the flow regimes of calculation results from Case-1 to -3 are compared with a flow regime map by Mizutani et al and Ren et al The validation of calculation results is confirmed whether the calculation would reproduce each flow regime or not.…”
Section: Numerical Simulation By Jupiter 21 Numerical Modelmentioning
confidence: 53%
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“…The simulation is implemented by using the water and air under the atmospheric conditions. In Tab.1, each flow regime is shown based on the flow regime map by Mizutani et al (Mizutani, 2007) and Ren et al (Ren, 2018). In this study, the flow regimes of calculation results from Case-1 to -3 are compared with a flow regime map by Mizutani et al and Ren et al The validation of calculation results is confirmed whether the calculation would reproduce each flow regime or not.…”
Section: Numerical Simulation By Jupiter 21 Numerical Modelmentioning
confidence: 53%
“…In this study, the flow regimes of calculation results from Case-1 to -3 are compared with a flow regime map by Mizutani et al and Ren et al The validation of calculation results is confirmed whether the calculation would reproduce each flow regime or not. Table 1 Conditions for the calculations which are set by considering the experiments by Ren et al (Ren, 2018). The flow regimes are defined based on the flow-regime maps by Mizutani et al (Mizutani, 2007) and Ren et al(Ren, 2018 (Ren, 2018) implemented the air-water flow experiments to measure the void fraction in a 5x5 simulated fuel bundle under the atmospheric condition and room temperature.…”
Section: Numerical Simulation By Jupiter 21 Numerical Modelmentioning
confidence: 99%
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