Mach Number of Compressible Fluid Flow evaluator uses Mach Number = Velocity of Fluid/Speed of Sound to evaluate the Mach Number, The Mach Number of Compressible Fluid Flow formula is defined as the ratio of the actual speed of the fluid (or an object in still fluid) to the speed of sound in the same fluid at the same state. Mach number can also be defined as the ratio of inertial forces to elastic forces. If Ma is less than about 1/3, the flow may be approximated as incompressible since the effects of compressibility become significant only when the Mach number exceeds this value. Note that the Mach number depends on the speed of sound, which depends on the state of the fluid. Therefore, the Mach number of an aircraft cruising at constant velocity in still air may be different at different locations. The flow is called sonic when Ma = 1, subsonic when Ma < 1, supersonic when Ma > 1, hypersonic when Ma >> 1, and transonic when Ma ≅ 1. Mach Number is denoted by Ma symbol.
How to evaluate Mach Number of Compressible Fluid Flow using this online evaluator? To use this online evaluator for Mach Number of Compressible Fluid Flow, enter Velocity of Fluid (V) & Speed of Sound (c) and hit the calculate button.