Which is considered a practice of aeronautical engineering?

Research about fluid dynamics is indeed considered a core practice of aeronautical engineering. Fluid dynamics is the study of how fluids (liquids and gases) behave in motion and at rest. This area of study is crucial for aeronautical engineers, as it directly influences aircraft design, performance, safety, and efficiency. Understanding the principles of fluid dynamics allows engineers to optimize airfoil shapes, reduce drag, enhance lift, and ensure stable flight under various conditions.

In the field of aeronautical engineering, this research leads to the development of better wings, fuselages, and propulsion systems, all of which significantly impact an aircraft's performance. Thus, engaging in research about fluid dynamics aligns perfectly with the objectives and responsibilities of aeronautical engineering, making it a vital aspect of this discipline.