The effect of a magnetic field on the heat conductivity of oxygen and oxygen - argon gas mixtures

✍ Scribed by S. Bhanja; Udayan De; A.K. Barua; T.K. Bose

• Publisher: Elsevier Science
• Year: 1978
• Tongue: English
• Weight: 664 KB
• Volume: 90
• Category: Article
• ISSN: 0378-4371
• DOI: 10.1016/0378-4371(78)90051-1

✦ Synopsis

The effects of a magnetic field on the heat conductivity of the paramagnetic O2 and O,-Ar gas mixtures of different compositions have been studied by using the hot-wire method. The magnetic field has been applied perpendicular to the temperature gradient so that the fractional change (Ah '/A) of the longitudinal coefficient of thermal conductivity has been measured. For pure 02, after applying proper corrections the experimental data obtained by using the hot-wire method agreed well with those obtained by using other methods. The experimental (AALlA) data have been interpreted by applying the theory of Knaap and Beenakker and treating O2 as a mixture of m, = 0 and m, = + 1 states.

For O,-Ar mixtures, the theory of Kiihler and Raum has been used and Oz has been treated as a mixture of m, = 0 and m, = + 1 states. By using this approximation, the experimental (AA '/A) data have been interpreted fairly well and reasonable values of several cross sections have been obtained.