The effect of magnetic field on the heat conductivity of O2–N2 and O2–H2 gas mixtures

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Abstract
The fractional change of the longitudinal coefficient of heat conductivity, (Δλ⊥/λ) due to a magnetic field applied normal to the temperature gradient in a hot‐wire thermal conductivity cell has been studied for the O2–N2 and O2–H2 gas mixtures at different concentrations. A small Senftleben–Beenakker effect for N2 has been observed at the higher values of H/p (H being the magnetic field and p the pressure). Neglecting this feature the results can be interpreted fairly well by applying the extension of Köhler and Raum’s theory to the case of O2–inert‐gas mixtures. From the experimental data several inelastic cross sections have been derived.