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High-Enthalpy Nonequilibrium Nozzle Flow of Air: Experiments and Computations

Marineau, Eric C. and Hornung, Hans G. (2009) High-Enthalpy Nonequilibrium Nozzle Flow of Air: Experiments and Computations. In: 39th AIAA Fluid Dynamics Conference. American Institute of Aeronautics and Astronautics , Reston, VA, Art. No. 2009-4216. ISBN 9781600869716. https://resolver.caltech.edu/CaltechAUTHORS:20191008-111635513

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Abstract

An investigation of the nozzle expansion of air from a reservoir at high specific enthalpy is presented. The objective is to test the chemical models assumed in nonequilibrium numerical computations and obtain a better understanding of the conditions at the nozzle exit as a function of the reservoir conditions. Static pressure measurements at the nozzle exit are performed in the T5 free-piston shock tunnel at the California Institute of Technology and compared with computations using DPLR CFD code which solves the chemically reactive Navier Stokes equations. Experiments are performed at four conditions with a range of stagnation pressures between 20 and 60 MPa and stagnation enthalpies between 10 and 17 MJ/kg. The measured static pressures are between 10% to 17% lower than those computed which seems to indicate that less recombination occurs in the experiment.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.2514/6.2009-4216DOIArticle
ORCID:
AuthorORCID
Hornung, Hans G.0000-0002-4903-8419
Additional Information:© 2009 American Institute of Aeronautics and Astronautics.
Group:GALCIT
Other Numbering System:
Other Numbering System NameOther Numbering System ID
AIAA Paper2009-4216
Record Number:CaltechAUTHORS:20191008-111635513
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20191008-111635513
Official Citation:High-Enthalpy Nonequilibrium Nozzle Flow of Air: Experiments and Computations Eric Marineau and Hans Hornung 39th AIAA Fluid Dynamics Conference. https://doi.org/10.2514/6.2009-4216
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:99150
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:09 Oct 2019 17:47
Last Modified:09 Oct 2019 17:47

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