Experimental determination of the thermal conductivity of air and air/water vapor mixtures in the temperature range between 2000 K and 7000 K
Abstract
An experimental technique which allows heat conductivity to be determined in hot gas mixtures is described for use in heat transfer calculations in the hypersonic range. A laser differential interferometer was used to determine the density distribution in the thermal boundary layer generated after the reflection of a strong shock wave at the flat end wall of a shock tube. From this, the heat conductivity of the gas heated up under the action of the shock was derived. Heat conductivity of air and mixtures of air and water vapor was determined in the temperature range between 2,000 and 7,000 K.
- Publication:
-
Final Report
- Pub Date:
- May 1975
- Bibcode:
- 1975ifar.rept.....S
- Keywords:
-
- Air;
- Differential Interferometry;
- High Temperature Gases;
- Thermal Conductivity;
- Water Vapor;
- Ablation;
- Density Distribution;
- Gas Density;
- Gas Mixtures;
- Hypersonic Flow;
- Laser Applications;
- Shock Heating;
- Shock Tubes;
- Thermal Boundary Layer;
- Wave Reflection;
- Fluid Mechanics and Heat Transfer