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Al-water fed chemically augmented DC arcjet characteristics

In this study, development of Al-water fed arcjet was conducted, in which water and aluminum were fed to the thruster as the propellant. Numerical investigations based on chemical equilibrium calculations were conducted to understand the details of combustion reactions and products of the electrical...

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Main Authors: Yanagida, Naoto, Horisawa, Hideyuki
Format: Conference or Workshop Item
Published: 2015
Subjects:
T Technology (General)
Online Access:http://eprints.utm.my/id/eprint/60098/
http://dx.doi.org/ 10.2514/6.2014-3504
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spelling my.utm.600982021-08-22T07:59:38Z http://eprints.utm.my/id/eprint/60098/ Al-water fed chemically augmented DC arcjet characteristics Yanagida, Naoto Horisawa, Hideyuki T Technology (General) In this study, development of Al-water fed arcjet was conducted, in which water and aluminum were fed to the thruster as the propellant. Numerical investigations based on chemical equilibrium calculations were conducted to understand the details of combustion reactions and products of the electrically augmented aluminum and water reactions. From the chemical equilibrium simulation, it was shown that thrust performance of the Al-water fed arcjet was as well as that of hydrazine arcjets at low specific power range. In addition, to observe behaviors of vaporized aluminum propellant fed as a solid state rod to the arcjet and then vaporized in the discharge plenum, a novel coaxial double cathode was developed and tested. From hispeed camera images, it was shown that streams of vaporized aluminum were injected through the injection holes at a tip of the coaxial double cathode. From the spectroscopic diagnostics of the plasma in the plenum, it was confirmed that injected vapor from the injectors of the coaxial double cathode was mainly vaporized aluminum. 2015 Conference or Workshop Item PeerReviewed Yanagida, Naoto and Horisawa, Hideyuki (2015) Al-water fed chemically augmented DC arcjet characteristics. In: 50th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and exhibit 2014, 28 - 30 July 2014, Cleveland, Ohio. http://dx.doi.org/ 10.2514/6.2014-3504
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic T Technology (General)
spellingShingle T Technology (General)
Yanagida, Naoto
Horisawa, Hideyuki
Al-water fed chemically augmented DC arcjet characteristics
description In this study, development of Al-water fed arcjet was conducted, in which water and aluminum were fed to the thruster as the propellant. Numerical investigations based on chemical equilibrium calculations were conducted to understand the details of combustion reactions and products of the electrically augmented aluminum and water reactions. From the chemical equilibrium simulation, it was shown that thrust performance of the Al-water fed arcjet was as well as that of hydrazine arcjets at low specific power range. In addition, to observe behaviors of vaporized aluminum propellant fed as a solid state rod to the arcjet and then vaporized in the discharge plenum, a novel coaxial double cathode was developed and tested. From hispeed camera images, it was shown that streams of vaporized aluminum were injected through the injection holes at a tip of the coaxial double cathode. From the spectroscopic diagnostics of the plasma in the plenum, it was confirmed that injected vapor from the injectors of the coaxial double cathode was mainly vaporized aluminum.
format Conference or Workshop Item
author Yanagida, Naoto
Horisawa, Hideyuki
author_facet Yanagida, Naoto
Horisawa, Hideyuki
author_sort Yanagida, Naoto
title Al-water fed chemically augmented DC arcjet characteristics
title_short Al-water fed chemically augmented DC arcjet characteristics
title_full Al-water fed chemically augmented DC arcjet characteristics
title_fullStr Al-water fed chemically augmented DC arcjet characteristics
title_full_unstemmed Al-water fed chemically augmented DC arcjet characteristics
title_sort al-water fed chemically augmented dc arcjet characteristics
publishDate 2015
url http://eprints.utm.my/id/eprint/60098/
http://dx.doi.org/ 10.2514/6.2014-3504
_version_ 1709667359062491136
score 13.211869

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