NDLI: Enthalpy distributions of arc jet flow based on measured laser induced fluorescence, heat flux and stagnation pressure distributions

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Enthalpy distributions of arc jet flow based on measured laser induced fluorescence, heat flux and stagnation pressure distributions

Content Provider	NASA Technical Reports Server (NTRS)
Author	Milhoan, James D. Larin, Maksim Y. Oelke, Lance Scott, Carl D. DelPapa, Steven Suess, Leonard E. Godfrey Sr., Dennis Grinstead, Jay H.
Copyright Year	2011
Description	The centerline total enthalpy of arc jet flow is determined using laser induced fluorescence of oxygen and nitrogen atoms. Each component of the energy, kinetic, thermal, and chemical can be determined from LIF measurements. Additionally, enthalpy distributions are inferred from heat flux and pressure probe distribution measurements using an engineering formula. Average enthalpies are determined by integration over the radius of the jet flow, assuming constant mass flux and a mass flux distribution estimated from computational fluid dynamics calculations at similar arc jet conditions. The trends show favorable agreement, but there is an uncertainty that relates to the multiple individual measurements and assumptions inherent in LIF measurements.
File Size	1201147
Page Count	16
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20110012806
Archival Resource Key	ark:/13960/t7tn26r76
Language	English
Publisher Date	2011-06-27
Access Restriction	Open
Subject Keyword	Fluid Mechanics And Thermodynamics Pressure Sensors Stagnation Pressure Jet Flow Enthalpy Laser Induced Fluorescence Reentry Shielding Heat Flux Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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