Evidence for large heat fluxes from the mass ablation rate of laser‐irradiated spherical targets
作者:
T. J. Goldsack,
J. D. Kilkenny,
B. J. MacGowan,
P. F. Cunningham,
C. L. S. Lewis,
M. H. Key,
P. T. Rumsby,
期刊:
Physics of Fluids(00319171)
(AIP Available online 1982)
卷期:
Volume 25,
issue 9
页码: 1634-1643
ISSN:0031-9171
年代: 1982
DOI:10.1063/1.863929
出版商: AIP
数据来源: AIP
摘要:
The mass ablation rate from spherical targets irradiated at wavelengths of 1.05 and 0.53 &mgr;m has been measured with particle and with x‐ray diagnostics. The specific mass ablation rate is found to be proportional toI0.7awith little wavelength dependence for a given value ofIa, theabsorbedirradiance. Comparisons with simulations shows that heat fluxes up to and in excess of 10% of the free streaming value are occurring. Values of the ablation pressure are derived.
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