Liquid-solid two-phase current scouring and cavitation composite abrasion test machine

A wear test, two-phase flow technology, applied in the direction of testing wear resistance, weather resistance/light resistance/corrosion resistance, measuring device, etc. Effect

Inactive Publication Date: 2008-03-26
WUHAN RES INST OF MATERIALS PROTECTION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Currently, the commonly used method of studying liquid-solid two-phase flow erosion and cavitation in isolation cannot reveal the damage behavior of materials under the coupling conditions of liquid-solid two-phase flow erosion and cavitation.

Method used

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  • Liquid-solid two-phase current scouring and cavitation composite abrasion test machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] Place the inner cylinder liner 2 coaxially in the outer steel sleeve 1, the magnetostrictive transducer 3 passes through the outer cylinder liner 1 and the inner cylinder liner 2, and install on the horn 4 at one end of the magnetostrictive transducer 3 The end of the cavitation sample 22 extends into the horizontal water tank. A hollow main shaft 5 is mounted on the horizontal axis of the horizontal water tank. The axis line of the output shaft of the motor 19, the axis line of the main shaft 6 and the axis line of the hollow main shaft 5 coincide with each other. A magnetic outer rotor 9 is installed on the output shaft of the motor 19, a magnetic inner rotor 7 is installed on the main shaft 6, and a horizontal cup-shaped isolation made of a non-magnetic material is used between the magnetic outer rotor 9 and the magnetic inner rotor 7 Sets of 8 separate them from each other. Through the back pressure water inlet 13 and the back pressure water communication pipe 14 o...

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Abstract

The invention provides an abrasion test machine of erosion and cavitation erosion compound for liquid-solid two-phase flow. It sets the inner casing cover in the out steel cover in the same axis, the magneto striction transducer passes through the out and inner casing covers. The terminal installed the cavitation sample on the amplitude pole in one end of magneto striction transducer dips into the horizontal water jar which the parallel axis is installed with a hollow principle axis, which one end is connected with the principle axis; the other is installed with the erosion sampling pan. So it can provide the liquid-solid two-phase flow erosion condition and cavitation condition.

Description

technical field [0001] The invention relates to friction and wear test equipment, in particular to liquid-solid two-phase flow erosion and wear test equipment and cavitation test equipment. Background technique [0002] Machines or flow-passing parts in machinery working in a sediment-laden water environment, such as turbine impellers, water pump flow-passing parts, water pipelines, etc., usually encounter two-phase liquid-solid two-phase flow erosion and cavitation. A damage condition coupled with a wear process. Currently, the commonly used method of studying liquid-solid two-phase flow erosion and cavitation in isolation cannot reveal the damage behavior of materials under the coupling conditions of liquid-solid two-phase flow erosion and cavitation. Therefore, the tribological and engineering circles require the design of a liquid-solid two-phase flow erosion and cavitation composite wear tester. content of the invention [0003] The present invention proposes a liqu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/56G01N17/00
Inventor 高万振李健肖德军
Owner WUHAN RES INST OF MATERIALS PROTECTION
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