## Calculation of air properties

バージョン 2.0.1 (29.7 KB) 作成者:
Calculates a variety of the thermodynamic properties of humid air.

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Calculates a variety of air thermodynamic properties from the measured temperature, pressure, and humidity.

Variables able to calculated:
rho - [kg m^-3] - Density
mu - [N s m^-2] - Dynamic viscosity
k - [W m^-1 K^-1] - Thermal conductivity
c_p - [J kg^-1 K^-1] - Specific heat capacity (constant pressure)
c_v - [J kg^-1 K^-1] - Specific heat capacity (constant volume)
gamma -  - Ratio of specific heats
c - [m s^-1] - Speed of sound: c = (gamma*R*T/M)^0.5
nu - [m^2 s^-1] - Kinematic viscosity: nu = mu/rho
alpha - [m^2 s^-1] - Thermal diffusivity: alpha = k/(rho*c_p)
Pr -  - Prandtl number: Pr = mu*c_p/k
M - [kg mol^-1] - Molar mass of humid air
R - [J kg^-1 K^-1] - Specific gas constant
h - [%] - Relative humidity (if dew point inputted)

Calculations are based around atmospheric temperatures and pressures, i.e. not for the use of high temperature combustion. See references for details and limitations.

References:
Picard, A, Davis, RS, Glaser, M, Fujii, K, 2008, 'Revised formula for the density of moist air (CIPM-2007)', Metrologia, vol. 45, no. 2, pp. 149-155. DOI: http://dx.doi.org/10.1088/0026-1394/45/2/004

Tsilingiris, P, 2008, 'Thermophysical and transport properties of humid air at temperature range between 0 and 100°C', Energy Conversion and Management, vol. 49, no. 5, pp.1098-1110. DOI: https://doi.org/10.1016/j.enconman.2007.09.015

### 引用

SFitz (2023). Calculation of air properties (https://github.com/sjfitz/AirProperties/releases/tag/v2.0.1), GitHub. 取得済み .

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バージョン 公開済み リリース ノート
2.0.1

See release notes for this release on GitHub: https://github.com/sjfitz/AirProperties/releases/tag/v2.0.1

2.0.0.1

Minor changes

2.0.0.0

Updated to include calculation of further properties.

1.0.0.0

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この GitHub アドオンでの問題を表示または報告するには、GitHub リポジトリにアクセスしてください。