Design of an electrical conductivity channel for shock tunnel

Liu, Hsuan Cheng; Stuessy, W. S.; Lu, Frank K.; Wilson, Donald R.

doi:10.2514/6.1996-2198

Cited by 1 publication

(3 citation statements)

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“…The conductivity measurement channel consisted of a pair of powered electrodes and 20 probe electrodes separated by insulators. 10 The powered electrodes provided an axial electrical field obtained by discharging a capacitor bank. The electrodes were made of oxygen-free copper with an electrical resistivity of 1.69 µΩ•cm at 300 K. The electrodes had the same inside diameters as the driven tube and had outside diameters of 139.7 mm (5.5 in.).…”

Section: Conductivity Channel and Power Supplymentioning

confidence: 99%

“…The channel dimensions were used to size the power supply as described in Ref. 10. Lexan tubes of 152.4 mm (6 in.)…”

Section: Conductivity Channel and Power Supplymentioning

confidence: 99%

“…The design of the electrode power supply required an estimate of the voltages and currents for the anticipated range of test conditions as described in Ref. 10.…”

Section: Conductivity Channel and Power Supplymentioning

confidence: 99%

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Exploratory study of conductivity in detonation waves

Kim

Wilson

et al. 1999

37th Aerospace Sciences Meeting and Exhibit

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Shock tube experiments were performed to measure the conductivity of the plasma of detonation products for potential applications in hybrid pulse detonation engines. Detonations of hydrogen/oxygen, hydrogen/air and propane/oxygen established Chapman-Jouguet shocks. The experiments indicated that seed such as potassium carbonate did not appear to significantly increase the conductivity over the unseeded gases. The conductivity measurements were compared against values obtained assuming chemical equilibrium and found to be quite small. The reasons for this anomalous behavior were attributed to incomplete mixing of the reactants and non-uniform seed distribution.

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Section: Conductivity Channel and Power Supplymentioning

confidence: 99%

“…The channel dimensions were used to size the power supply as described in Ref. 10. Lexan tubes of 152.4 mm (6 in.)…”

Section: Conductivity Channel and Power Supplymentioning

confidence: 99%