Using 3D printing for rapid prototyping of models for fluid mechanics and aerodynamics instructional labs

Engineering labs and classrooms have been evolving rapidly, calling for more sophisticated yet accessible methods of hands-on learning. One of the most effective approaches to providing a hands-on learning experience for students is the use of 3D models to analyze fluid behavior. This presentation highlights the effectiveness of using 3D printing for the rapid prototyping of models and specimens that can be readily used for testing in fluid mechanics and aerodynamics labs. Students were encouraged to explore this methodology by creating their own models in an instructional lab environment, which fostered creative ideas for designing and testing models in both subsonic and supersonic flows. This approach expanded the range of experiments that could be conducted in the lab with minimal manufacturing efforts. Additionally, 3D printing was employed to produce complex specimens for routine experiments, a process that previously required costly labor and specialized machining. Positive feedback from students regarding these lab experiences suggests that this approach should be further extended to other lab courses within the program.