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The Wind Tunnel Rupture Chamber is a custom-engineered safety pressure vessel designed for the high-energy aerodynamic simulation platform at the Institute of Mechanics, Chinese Academy of Sciences. This equipment plays a critical role in safeguarding the wind tunnel system during short-duration overpressure events such as detonation or deflagration.
Its engineering requirements called for high wall thickness, structural integrity under transient loads, excellent impact resistance, and seamless system integration — all tailored for scientific experimentation in aerospace and energy-related fields.
Equipment Name :
Wind Tunnel Rupture Chamber
Industry :
Aerospace Engineering · Scientific Equipment
Specifications :
DN1600*115*10365mm
Material :
20MnMoNbⅣ/16MnⅢ
Weight :
49.665 tons
Client :
Institute of Mechanics, Chinese Academy of Sciences
Heavy-Wall Construction: The shell thickness of 115 mm provides exceptional resistance to internal explosion loads, capable of withstanding transient pressures of 10 MPa or more.
High-Strength Materials: 20MnMoNbⅣ was selected for its superior high-temperature performance and fatigue resistance. It is paired with 16MnⅢ for flange and nozzle components to ensure weldability and mechanical compatibility.
Precision Welding & Heat Treatment: The chamber is fully welded using submerged arc welding (SAW) and underwent post-weld heat treatment (PWHT) to relieve residual stress and enhance structural durability.
Full NDT Quality Control: All major welds were inspected by 100% ultrasonic testing (UT) and radiographic testing (RT), and dimensional tolerances were controlled within ±2 mm.
Instrumentation Integration: Multiple nozzles are pre-configured for pressure sensors, rupture disks, and modular quick-flange connections, supporting adaptability across various experimental setups.
Safety Assurance in Research: This rupture chamber serves as the primary overpressure safety unit for detonation and high-speed flow experiments, protecting key wind tunnel structures from damage.
Platform Compatibility: The chamber is designed with flexible interface arrangements, making it compatible with existing and future test systems.
Validated Performance: The vessel has passed hydrostatic testing, FEA stress analysis, and end-user acceptance procedures. It has already been used in repeated high-energy experiments with stable operational feedback.
This project represents a high-precision, non-standard thick-wall pressure vessel designed for scientific experimentation in aerospace research. The production process included tailored structural design, advanced welding, post-fabrication treatment, and rigorous full-process quality assurance.
Its successful delivery underscores our technical capabilities in handling complex dynamic loading environments and our commitment to supporting national research infrastructure with engineered safety solutions.
We provide tailored design, manufacturing, and quality-controlled fabrication for:
Detonation Safety Systems
Experimental Pressure Equipment
Aerospace-Grade Vessels and Modules
Storage Tanks
Reactors
Heat Exchangers
Towers
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