Compressed air research involves studying the properties, uses, and applications of air that has been pressurized and stored in a container. This research area focuses on understanding the thermodynamics, energy efficiency, and safety considerations of utilizing compressed air as a power source in various industrial, commercial, and residential settings. Researchers in this field explore ways to improve the efficiency of compressed air systems, develop innovative technologies for storing and transporting compressed air, and investigate new applications for compressed air in areas such as pneumatic tools, HVAC systems, and energy storage.