Nitrogen N2 Prandtl Number Temperature Pressure

Overview

Engineering reference data for Nitrogen N2 Prandtl Number Temperature Pressure in heat transfer.

Key Formulas

Fourier's Law

$q = -k \nabla T$

Heat flux proportional to temperature gradient.

Convective Heat Transfer

$Q = hA(T_s - T_\infty)$

Heat transfer between surface and fluid.

Stefan-Boltzmann Law

$q = \varepsilon \sigma T^4$

Radiative heat flux from a surface.

Thermal Resistance

$R_{th} = \frac{L}{kA}$

Resistance to heat conduction.

Variables

Symbol	Description	Unit
$q$	Heat flux	W/m²
$k$	Thermal conductivity	W/(m·K)
$h$	Convection coefficient	W/(m²·K)
$T$	Temperature	K
$\varepsilon$	Emissivity	—
$\sigma$	Stefan-Boltzmann constant	5.67×10⁻⁸ W/(m²·K⁴)

Nitrogen Prandtl Number Data

Prandtl Number at Atmospheric Pressure

The following table provides Prandtl numbers for nitrogen at atmospheric pressure across a range of temperatures in Kelvin, Celsius, and Fahrenheit.

Prandtl Number vs Temperature and Pressure

The table below presents Prandtl numbers for nitrogen at saturation (equilibrium) conditions and at pressures of 1, 10, 50, and 100 bara.

Interactive Charts

References

• Original Source