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Visualization of High Speed Liquid Jet Impaction on a Moving Surface
Published on: April 17, 2015
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Study on jet dynamic impact performance under the influence of standoff.
Yizhen Wang1, Jianping Yin2, Xuepeng Zhang3
1School of Mechanical and Electrical Engineering, North University of China, Taiyuan, 030051, Shanxi, China.
Scientific Reports
|December 29, 2024
Summary
This study examines how standoff distance and lateral disturbances affect shaped charge jet impact. Lateral disturbance velocity is the primary factor influencing impact depth, more so than standoff distance.
Area of Science:
- Ballistics
- Materials Science
- Mechanical Engineering
Background:
- Shaped charge jets are sensitive to standoff and lateral disturbances.
- Understanding dynamic impact is crucial for predicting performance.
Purpose of the Study:
- Investigate the dynamic impact evolution of shaped charge jets.
- Analyze the influence of standoff and lateral disturbances on jet impact.
- Develop a predictive model for jet dynamic impact.
Main Methods:
- Established a finite element model for shaped charge jet dynamic impact.
- Conducted dynamic impact experiments to validate simulations.
- Utilized dimensional analysis to develop a predictive model.
Main Results:
- Impact depth decreases linearly with increasing standoff (90-225 mm).
- Impact depth decreases exponentially with increasing lateral disturbance velocity (100-400 m/s).
- Lateral disturbance velocity is the primary impact factor, followed by standoff.
Conclusions:
- The predictive model and simulations accurately reflect experimental outcomes.
- The study provides a basis for evaluating shaped charge dynamic impact potential.
- Findings are crucial for optimizing shaped charge design and application.
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