compressible flow theory

Compressible flow theory studies how fluids, especially gases, behave when their density changes significantly during movement, such as in high-speed conditions. Unlike incompressible flow (like water at low speed), where density stays nearly constant, compressible flow accounts for variations caused by factors like velocity, pressure, and temperature. This theory helps engineers analyze and design systems like jet engines, rockets, and supersonic aircraft, ensuring they operate safely and efficiently at high speeds where air behaves differently. It involves understanding wave phenomena, shock waves, and energy transfer within the fluid.