Experimental investigation of an electric arc air-spike with and without blunt body in hypersonic flow

R. M. Bracken; L. N. Myrabo; H. T. Nagamatsu; E. D. Meloney; M. N. Shneider

doi:10.2514/6.2001-796

Experimental investigation of an electric arc air-spike with and without blunt body in hypersonic flow

R. M. Bracken, L. N. Myrabo, H. T. Nagamatsu, E. D. Meloney, M. N. Shneider

Mechanical & Aerospace Engineering

Research output: Contribution to conference › Paper › peer-review

8 Scopus citations

Abstract

The effects of an arc discharge in a hypersonic flow are currently being studied in the Rensselaer Polytechnic Institute 24-inch Hypersonic Shock Tunnel (RPI HST) and modeled computationally. The arc is a high current car battery array-driven, 75-kilowatt peak, self-sustaining electrical discharge in a Mach 10, 260 psia stagnation pressure, and 560 K stagnation temperature flow. In this low enthalpy, "ideal gas," condition, schlieren photographs were taken of the apparatus with and without a downstream blunt body, with varying arc powers. The computational effort employed the Euler gasdynamic equations to represent a heat source in flow conditions and geometries identical to those tested in the RPI HST. These two results are then compared to qualitatively validate the code and gain a better perspective on the loss mechanisms involved in the experiment.

Original language	English (US)
DOIs	https://doi.org/10.2514/6.2001-796
State	Published - 2001
Event	39th Aerospace Sciences Meeting and Exhibit 2001 - Reno, NV, United States Duration: Jan 8 2001 → Jan 11 2001

Other

Other	39th Aerospace Sciences Meeting and Exhibit 2001
Country/Territory	United States
City	Reno, NV
Period	1/8/01 → 1/11/01

All Science Journal Classification (ASJC) codes

Space and Planetary Science
Aerospace Engineering

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10.2514/6.2001-796

Cite this

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abstract = "The effects of an arc discharge in a hypersonic flow are currently being studied in the Rensselaer Polytechnic Institute 24-inch Hypersonic Shock Tunnel (RPI HST) and modeled computationally. The arc is a high current car battery array-driven, 75-kilowatt peak, self-sustaining electrical discharge in a Mach 10, 260 psia stagnation pressure, and 560 K stagnation temperature flow. In this low enthalpy, {"}ideal gas,{"} condition, schlieren photographs were taken of the apparatus with and without a downstream blunt body, with varying arc powers. The computational effort employed the Euler gasdynamic equations to represent a heat source in flow conditions and geometries identical to those tested in the RPI HST. These two results are then compared to qualitatively validate the code and gain a better perspective on the loss mechanisms involved in the experiment.",

author = "Bracken, {R. M.} and Myrabo, {L. N.} and Nagamatsu, {H. T.} and Meloney, {E. D.} and Shneider, {M. N.}",

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doi = "10.2514/6.2001-796",

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note = "39th Aerospace Sciences Meeting and Exhibit 2001 ; Conference date: 08-01-2001 Through 11-01-2001",

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AU - Bracken, R. M.

AU - Myrabo, L. N.

AU - Nagamatsu, H. T.

AU - Meloney, E. D.

AU - Shneider, M. N.

PY - 2001

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AB - The effects of an arc discharge in a hypersonic flow are currently being studied in the Rensselaer Polytechnic Institute 24-inch Hypersonic Shock Tunnel (RPI HST) and modeled computationally. The arc is a high current car battery array-driven, 75-kilowatt peak, self-sustaining electrical discharge in a Mach 10, 260 psia stagnation pressure, and 560 K stagnation temperature flow. In this low enthalpy, "ideal gas," condition, schlieren photographs were taken of the apparatus with and without a downstream blunt body, with varying arc powers. The computational effort employed the Euler gasdynamic equations to represent a heat source in flow conditions and geometries identical to those tested in the RPI HST. These two results are then compared to qualitatively validate the code and gain a better perspective on the loss mechanisms involved in the experiment.

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Experimental investigation of an electric arc air-spike with and without blunt body in hypersonic flow

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