Design and Construction of an Apparatus to Perform Schlieren Imaging

Description/Abstract/Artist Statement

Schlieren imaging is an optical technique used to observe fluid flow by observing changes in a fluid’s refractive index. These changes are manifested by viewing the refracted light that traverses the fluid flow. The technique was invented in 1864 by German physicist August Toepler. We will report on the design and construction of a homebuilt Schlieren imaging system that will be used in on-campus research to characterize supersonic air flow. The system will also be deployed in the Physics Advanced Teaching Lab to enable students to explore this technique. We will describe several design iterations that were tested to improve upon the conventional setup and discuss overall performance optimization of the optical system. Finally, we will present data showing visualizations of airflow under various environmental conditions.

Presenting Author Name/s

Maria Rekus

Faculty Advisor/Mentor

Charles Sukenik, Sterling Gordon

Faculty Advisor/Mentor Department

Physics

College Affiliation

College of Sciences

Presentation Type

Poster

Disciplines

Physics

Session Title

Poster Session

Location

Learning Commons Lobby @ Perry Library

Start Date

3-30-2024 8:30 AM

End Date

3-30-2024 10:00 AM

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Mar 30th, 8:30 AM Mar 30th, 10:00 AM

Design and Construction of an Apparatus to Perform Schlieren Imaging

Learning Commons Lobby @ Perry Library

Schlieren imaging is an optical technique used to observe fluid flow by observing changes in a fluid’s refractive index. These changes are manifested by viewing the refracted light that traverses the fluid flow. The technique was invented in 1864 by German physicist August Toepler. We will report on the design and construction of a homebuilt Schlieren imaging system that will be used in on-campus research to characterize supersonic air flow. The system will also be deployed in the Physics Advanced Teaching Lab to enable students to explore this technique. We will describe several design iterations that were tested to improve upon the conventional setup and discuss overall performance optimization of the optical system. Finally, we will present data showing visualizations of airflow under various environmental conditions.