Pressure-measurable arc heater high-pressure erosion test particle broadcast mixing chamber

By designing a pressure-measurable electric arc heater for high-pressure erosion testing particle seeding and mixing chamber, the problems of easy burn-out under high pressure and lack of pressure measurement in existing devices were solved, achieving efficient and stable particle erosion testing and improving the equipment's cooling and pressure measurement capabilities.

CN121830449APending Publication Date: 2026-04-10CHINA ACAD OF AEROSPACE AERODYNAMICS
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Patent Information

Application Number
CN202511957115.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-12-23
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing particle seeding devices are prone to burnout under high power and high arc chamber pressure conditions and lack pressure measurement capabilities, which cannot meet the requirements of high pressure erosion tests and require additional pressure measurement equipment.

Method used

A pressure-measurable electric arc heater high-pressure erosion test particle seeding mixing chamber is designed, comprising a cylindrical mixing chamber, flange connection, nozzle and pressure measuring nozzle, to realize particle seeding and pressure measurement, and simplify equipment installation.

Benefits of technology

It enables stable operation of particle erosion tests under high pressure, extends equipment lifespan, simplifies installation, and provides better cooling and pressure measurement capabilities.

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Abstract

The invention discloses a pressure-measurable arc heater high-pressure erosion test particle broadcast mixing chamber, which comprises: a mixing cavity, which is of a cylindrical tubular structure, and two end surfaces of which are provided with a plurality of through holes for circulation of a cooling liquid; the flange is connected to the mixing cavity and is used for realizing connection and sealing between the particle broadcasting and mixing chamber and other equipment and cooling the mixing cavity; the at least one filler neck is arranged on the side wall of the mixing cavity and is used for broadcasting particles into the mixing cavity; and the at least one pressure measuring filler neck is arranged in the mixing cavity and is used for measuring the pressure in the mixing cavity. According to the invention, stable operation of the particle erosion test under the conditions of high power and high arc chamber pressure can be realized, the pressure measuring function is realized, and the installation of test equipment is simplified.
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