313 衝突閃光の高速分光観測(セッションVII)

概要

論文の詳細を見る
Vaporization processes in hypervelocity impacts have important significance in planetary science. Experimental approaches for quantitative observations of impact vaporization, however, have been almost exclusively limited to high-speed photography because of short duration and high pressure/temperature conditions of the phenomena. Thus in-situ measurements of thermodynamic parameters of impact-induced vapor clouds such as temperature, pressure, and chemical composition have been extremely difficult. Consequently, results of laboratory experiments on impact-induced vapor clouds have not been fully compared against shock theories of laboratory experiments on impact-induced vapor clouds have not been fully compared against shock theories or numerical simulation codes. Using a newly developed spectroscopic approach, this study quantitatively observes emission spectra of impact-induced vapor clouds to obtain their thermodynamic parameters.
日本惑星科学会の論文
1998-10-13