Ratio of static pressures in the point A to the freestream for an isentropic flow Calculator

The ratio of static pressures in point A to the freestream for an isentropic flow, denoted as “pA/p∞,” is a dimensionless parameter used in fluid dynamics and aerodynamics to describe the pressure variation at a specific point within a fluid flow field relative to the pressure far upstream where the flow is unaffected by any disturbances. pA: Represents the static pressure at a particular location or point A within the flow field. Static pressure is the pressure exerted by a fluid when it is not in motion. p∞: Denotes the static pressure in the freestream or undisturbed flow, far away from any disturbances or objects. This is often considered a reference point for pressure measurements. 

  • Ratio of static pressures in the point A to the freestream (pA/p∞)
  • Specific heat ratio (γ)
  • Freestream Mach number (M∞)
  • Mach number at point A (MA)

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