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Supersonic Wind Tunnel Research

The goal of this research is to replicate a modular wall for a supersonic wind tunnel, enabling the testing of various objects under high-speed flow conditions.
Skills
  • SolidWorks
  • 3D Printing
  • CNC Milling
Timeline
September 2024 - Current
Collaborators
This project was completed by a two-student team, including myself, under the guidance of Dr. Nandeesh Hiremath.

The Project Scope

The supersonic wind tunnel we worked on had a test section surface that effectively sealed the area but presented key limitations:
  • The test section was a single, non-modular piece, making it difficult to make minor adjustments without scrapping the piece completely.
  • It lacked the capability to attach a mount, restricting the analysis of how different shapes affect supersonic flows.
We were tasked with designing a new multi-part test section surface capable of accommodating a module to securely hold various objects for supersonic wind testing.

Obtaining Measurements

  • To ensure the new part was designed with precise dimensions to prevent air leakage, we disassembled the upper section of the supersonic wind tunnel to retrieve the old test section. Using a caliper, we obtained accurate measurements, which we could then use for the design process

The Design Process

  • After obtaining the measurements, the next step was to determine the optimal method for converting the one-piece test section design into a two-piece configuration. During the design process, we carefully considered the following factors:
  • Static Pressure within the test section and potential pressure leaks.
  • Ease of Disassembly to allow for future modifications or adjustments.
I developed several design iterations to ensure the test section piece was both strong enough to withstand static pressure and easy to disassemble. Initially, I designed the sections with interlocking male and female components to maximize strength and prevent issues if air leaked between the two pieces. However, after consulting with Dr. Hiremath, I learned this addition was unnecessary, as a few strategically placed bolts would provide sufficient strength.

The Next Steps

  • Mill the two pieces out of aluminim
  • Design and impliment the sting mount
  • Assemble the fully completed test section and securely integrate it into the supersonic wind tunnel.