Stress measurement system for underwater electro-explosive platforms.

Area of Science:

• Materials Science
• Physics
• Engineering

Background:

• Underwater electrical-wire explosion (UEWE) is a novel method for generating strong shock waves at high frequencies.
• UEWE is increasingly used to drive insensitive energetic materials, necessitating performance optimization.
• Accurate stress measurement is vital for optimizing UEWE-driven devices, but conventional methods suffer from electromagnetic interference (EMI).

Purpose of the Study:

• To develop and evaluate a novel system for measuring stress in strong electromagnetic fields.
• To overcome the limitations of conventional stress measurement techniques in the presence of intense EMI.

Main Methods:

• A piezoelectric film and conditioning circuit were integrated into a novel stress measurement system.
• Electromagnetic shielding was employed to mitigate intense EMI from the UEWE process.
• Simulations and experiments were conducted to validate the system's performance.

Main Results:

• The developed system effectively measures stress in a strong electromagnetic field environment.
• The system utilizes shielding to eliminate intense EMI, ensuring measurement accuracy.
• Output voltage measurement from the conditioning circuit allows for rapid stress determination.

Conclusions:

• The novel system provides accurate stress measurements at the fluid-solid interface under strong electromagnetic fields.
• This technology is essential for optimizing the performance of devices utilizing underwater electrical-wire explosions.
• The system overcomes EMI challenges, enabling reliable stress evaluation in UEWE applications.