Approximate equations for some acoustical and thermodynamic properties of standard air

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概要

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• This paper describes an investigation into the variaition with humidity and carbon dioxide content in air of the speed of sound, characteristic impendance, specific heats, the ratio of specific heats, air density and the molar mass. The theoretical model is an approximation, which is based on standard air over a temperature range of 0 to 30 degrees Celsius and at a barometric pressure of 101. 325kPa. Empirical equations for the computation of the above physical properties are provided together with uncertainty estimations.

• 社団法人日本音響学会の論文

著者

• Wong George

  Laboratory For Basic Standards Division Of Physics

関連論文

• Approximate equations for some acoustical and thermodynamic properties of standard air

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