Measurement and simulation of apertures on Z hohlraums
Conference
·
OSTI ID:291166
- Los Alamos National Lab., NM (United States); and others
The authors have performed aperture measurements and simulations for vacuum hohlraums heated by wire array implosions. A low-Z plastic coating is often applied to the aperture to create a high ablation pressure which retards the expansion of the gold hohlraum wall. However, this interface is unstable and may be subjects to the development of highly nonlinear perturbations (jets) as a result of shocks converging near the edge of the aperture. These experiments have been simulated using Lagrangian and Eulerian radiation hydrodynamics codes.
- Research Organization:
- Los Alamos National Lab., NM (United States); Sandia National Labs., Albuquerque, NM (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-7405-ENG-36; AC04-76DP00789
- OSTI ID:
- 291166
- Report Number(s):
- LA-UR--98-2354; CONF-980605--; ON: DE99001136
- Country of Publication:
- United States
- Language:
- English
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