Multi-physical coupling field cavitation erosion device

Abstract

The invention discloses a multi-physical coupling field cavitation erosion device. The multi-physical coupling field cavitation erosion device comprises a light field power supply, a magnetic field power supply, a cooling system, an annular electromagnet, an amplitude-changing rod, an energy converter, an ultrasonic power supply, a shielding cover, an electrode plate positive, an electrode plate negative, an electric field generator, a water storage box, distilled water, a test sample, a container, a point light source and light-transmitting glass, wherein the test sample is arranged at the bottom of the amplitude-changing rod; the test sample is immersed into the distilled water; the annular electromagnet, the electrode plate positive, the electrode plate negative, the point light source and the energy converter are arranged at the periphery of the distilled water; and the external magnetic field power supply, the electric field generator, the light field power supply and the ultrasonic power supply are conducted sequentially, so that a multi-physical coupled field of magnet, electricity, light and sound is formed in the distilled water, and complex cavitation erosion is generated on the surface of the test sample. Multiple physical fields of the device can be controlled synergistically or independently, the test sample materials can be subjected to cavitation erosion experiments with different degrees by adjusting the intensity of the magnetic field, the intensity of the electric field, the intensity of the light field and the ultrasonic frequency, and the multi-physical coupling field cavitation erosion device is suitable for cavitation erosion resistance evaluation experiments of small test sample materials.

Description

technical field [0001] The invention belongs to the technical field of cavitation erosion in fluid machinery, and in particular relates to a multi-physics coupling field cavitation device for testing the cavitation resistance performance of sample materials. Cavitation test. Background technique [0002] Cavitation erosion refers to the phenomenon of material loss caused by the impact of cavitation bubbles on the surface of solid materials. Cavitation erosion usually causes serious damage to hydraulic machinery such as pumps, valves, turbines, sliding bearings, and hulls. The more effective way to solve the problem of cavitation is to improve the cavitation resistance of materials, so the experimental research on the cavitation resistance of materials becomes the key. [0003] Common anti-cavitation test devices include vibration cavitation device, rotating disc cavitation device, cavitation tunnel test device, etc., which are mainly used to evaluate the cavitation resistan...

AI Technical Summary

Problems solved by technology

However, in a real working environment, electronic equipment, light sources, vibration and sound sources, magnetic materials, etc. are often distributed around cavitation. Therefore, the multi-physical coupling field effect of sound field, electric field, light field, and magnetic field cannot be ignored. Disk cavitation device and vibrating cavitation device cannot meet the requirements of multi-physics coupling field cavitation test

Images