Research Paper#Fluid Dynamics, Underwater Acoustics, Vehicle Design🔬 ResearchAnalyzed: Jan 4, 2026 00:01
Experimental Study of Wall-Pressure Fluctuations on Axisymmetric Hull
Published:Dec 26, 2025 02:54
•1 min read
•ArXiv
Analysis
This paper addresses a critical need for high-quality experimental data on wall-pressure fluctuations in high-speed underwater vehicles, particularly under complex maneuvering conditions. The study's significance lies in its creation of a high-fidelity experimental database, which is essential for validating flow noise prediction models and improving the design of quieter underwater vehicles. The inclusion of maneuvering conditions (yaw and pitch) is a key innovation, allowing for a more realistic understanding of the problem. The analysis of the dataset provides valuable insights into Reynolds number effects and spectral scaling laws, contributing to a deeper understanding of non-equilibrium 3D turbulent flows.
Key Takeaways
- •Establishes a high-fidelity experimental database of wall-pressure fluctuations on an axisymmetric hull.
- •Includes complex maneuvering conditions (yaw and pitch).
- •Quantifies Reynolds number effects and spectral scaling laws.
- •Provides insights into non-equilibrium 3D turbulent flows.
- •Supports the design of quieter and more effective underwater vehicles.
Reference
“The study quantifies systematic Reynolds number effects, including a spectral energy shift toward lower frequencies, and spectral scaling laws by revealing the critical influence of pressure-gradient effects.”