Striations arising in the explosion of cesium wires at supercritical pressures
Abstract
In the present analysis it is shown that striations observed in experiments with exploding cesium wires at supercritical pressures may be explained on the basis of the theory of MHD instabilities in a current-carrying conductor and the development of the instabilities by an ohmic heating mechanism. A solution of the respective unsteady heat equation shows that thermal disturbances associated with exploding wires are relatively small at moderate temperatures, while at high temperatures, the instability is suppressed owing to the increase in radiative heat transfer coefficient.
- Publication:
-
Zhurnal Tekhnicheskoi Fiziki
- Pub Date:
- October 1978
- Bibcode:
- 1978ZhTFi..48.2088V
- Keywords:
-
- Cesium Plasma;
- Exploding Wires;
- Striation;
- Supercritical Pressures;
- Heat Transfer Coefficients;
- Magnetohydrodynamic Stability;
- Pressure Effects;
- Radiative Heat Transfer;
- Resistance Heating;
- Plasma Physics