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  • Open Daily: 10am - 10pm
    Alley-side Pickup: 10am - 7pm

    3038 Hennepin Ave Minneapolis, MN
    612-822-4611

Open Daily: 10am - 10pm | Alley-side Pickup: 10am - 7pm
3038 Hennepin Ave Minneapolis, MN
612-822-4611
Numerical investigation of helium bubble rising behavior in cross-type channel

Numerical investigation of helium bubble rising behavior in cross-type channel

Meng, Zhaoming
Zeng, Chunjie

Paperback

Physics

ISBN10: 1952751500
ISBN13: 9781952751509
Publisher: Eliva Pr
Published: Aug 8 2020
Pages: 40
Weight: 0.15
Height: 0.08 Width: 5.98 Depth: 9.02
Language: English
In a certain nuclear reactor, the coolant channel is a cross-type channel, there is little research about bubble rising behavior in this kind of channel, but the neutron detection would be affected by the bubbles. Through comparing with previous experiment, proper numerical model has been determined, then studied the cross-type channel under different helium flow rates with CFD software Fluent. Research shows that the bubble distribution exists some similarities under different helium flow rates, the bubbles tend to rise near the tube wall; In the axial direction of the flow channel, the bubble coalescence can be observed, which leads the section void fraction in the axial direction to increase first and then tends to be stable, and the section void fraction increases with increasing helium flow rates.

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