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Integrated experimental device and experimental method for vortex entrainment phenomenon research

An experimental device and integrated technology, applied in the field of sodium-cooled fast reactor safety research, to achieve the effect of convenient experimental research, easy movement, and reduced arrangement

Active Publication Date: 2021-09-24
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Based on this demand, the present invention provides an integrated experimental device for the study of vortex entrainment phenomenon, aiming at solving the problem of using water as the experimental medium to simulate vortex entrainment phenomenon and arranging a movable integrated experimental device in a limited space

Method used

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  • Integrated experimental device and experimental method for vortex entrainment phenomenon research
  • Integrated experimental device and experimental method for vortex entrainment phenomenon research

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Such as figure 1 and figure 2 As shown, under the drive of the water inlet pump 18, the water in the water tank 1 flows through the thermometer 5, the water inlet flowmeter 19 along the pipeline in turn, and enters the inlet section 6 of the test section 10. After passing through the tapered section 17, it flows straight Under the action of the device 7, it passes through the development section 16 at a stable and uniform flow rate. Due to the dividing plate 15 separated along the centerline, water will enter the vortex generating section 8 from one side of the dividing plate, and a part of the water flows out from the same side, and returns to the water tank 1 after the buffer section 14 and the diverging section 13 . Another part of water flows out from the vertically downward suction port 9 driven by the suction pump 21, and also returns to the water tank 1 after passing through the suction flowmeter 20 and the suction pump 21 along the pipeline. One side of the d...

Embodiment 2

[0026] Such as figure 1 As shown, after the brake of the swivel caster 4 is released, the integrated experimental device can be moved directly.

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Abstract

The invention discloses an integrated experimental device and an experimental method for vortex entrainment phenomenon research. The device comprises a test section, a water inlet flow meter, a water pumping flow meter, a water inlet pump, a water pump, a water tank, a double-branch closed loop, a loop support frame and a distribution box, wherein the double-branch closed loop consists of a pipeline and pipeline accessories. The test section is a rectangular container and is composed of an inlet section, a vortex generation section and an outlet section. The two ends of the vortex generation section are divided into parallel flow channels along the center line through partition plates, the two ends of one flow channel are connected with the inlet section and the outlet section respectively, and the two ends of the other flow channel are closed wall faces. A vertically-downward water pumping opening is formed in the bottom of the center of the vortex generation section. The loop support frame is used for fixing the double-branch closed loop and the distribution box. The experimental device can simulate vortex entrainment and achieve direct observation and shooting recording of the phenomenon, can be used for research on the occurrence mechanism of the vortex entrainment phenomenon of a fast reactor sodium pool, reduces experimental land through the compact integrated arrangement mode, is easy to move, and facilitates experimental research under different conditions.

Description

technical field [0001] The invention belongs to the field of nuclear science and technology, in particular to the field of sodium-cooled fast reactor safety research, and relates to an integrated experimental device and an experimental method for the study of vortex entrainment phenomena. [0002] technical background [0003] The sodium-cooled fast reactor has outstanding advantages in nuclear fuel breeding, long-lived actinide element transmutation and inherent safety, as well as rich operating experience and technology accumulation. It has always been considered as one of the most promising reactor types in the fourth-generation nuclear reactors. . When the coolant in the sodium pool has a certain horizontal flow velocity and a large local downward velocity, the phenomenon of vortex entrainment of gas will occur, which seriously threatens the safe operation of the reactor. For economic considerations, the structure of fast reactors is relatively compact, and the compact d...

Claims

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Application Information

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IPC IPC(8): G01M10/00
CPCG01M10/00
Inventor 巫英伟姚灏秋穗正田文喜苏光辉
Owner XI AN JIAOTONG UNIV
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