NDLI: Laser induced aluminum surface breakdown model (Document No: 20020058228)

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Laser induced aluminum surface breakdown model (Document No: 20020058228)

Content Provider	NASA Technical Reports Server (NTRS)
Author	Chen, Yen-Sen Zhang, Sijun Liu, Jiwen
Copyright Year	2002
Description	Laser powered propulsion systems involve complex fluid dynamics, thermodynamics and radiative transfer processes. Based on an unstructured grid, pressure-based computational aerothermodynamics; platform, several sub-models describing such underlying physics as laser ray tracing and focusing, thermal non-equilibrium, plasma radiation and air spark ignition have been developed. This proposed work shall extend the numerical platform and existing sub-models to include the aluminum wall surface Inverse Bremsstrahlung (IB) effect from which surface ablation and free-electron generation can be initiated without relying on the air spark ignition sub-model. The following tasks will be performed to accomplish the research objectives.
File Size	1044075
Page Count	27
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20020058228
Archival Resource Key	ark:/13960/t9f52mp06
Language	English
Publisher Date	2002-06-25
Access Restriction	Open
Subject Keyword	Lasers And Masers Thermodynamics Spark Ignition Fluid Dynamics Aluminum Free Electrons Focusing Laser Propulsion Plasma Radiation Aerothermodynamics Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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