Speed of sound calculator

In flight mechanics, the speed of sound refers to the velocity at which sound waves propagate through a medium, such as air. It is a critical parameter in aviation because it determines the aircraft’s ability to generate and propagate shock waves and affects various aspects of aerodynamics and aircraft performance.

a=√(γ*8.31*t)

  1. γ (gamma): In this context, γ typically represents the specific heat ratio or the ratio of specific heat at constant pressure (Cp) to specific heat at constant volume (Cv) for a gas. For an ideal diatomic gas, such as air, γ is approximately 1.4.
  2. 8.31: This value represents the universal gas constant, denoted by R, and is equal to 8.31 Joules per mole-Kelvin (J/(mol·K)). It is a constant used in gas equations to relate the properties of gases, such as pressure, volume, temperature, and number of moles.
  3. t: This variable represents the temperature of the gas, typically in Kelvin (K).
  4. a: Speed of sound

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