Ruby-laser scattering diagnostics of a supersonic plasma flow for low-pressure plasma spraying

Truly reliable measurements of electron temperature and density in a plasma flow for low-pressure plasma spraying (LPPS) were performed for the first time, using incoherent Thomson scattering of ruby-laser light. The results indicate the characteristic feature of a supersonic nozzle flow, namely, su...

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Veröffentlicht in:Japanese Journal of Applied Physics 1987-10, Vol.26 (10), p.L1724-L1726
Hauptverfasser: HIDAKA, R, OOKI, T, TAKEDA, K, KONDO, K, KANDA, H, UCHINO, K, MATSUDA, Y, MURAOKA, K, AKAZAKI, M
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container_end_page L1726
container_issue 10
container_start_page L1724
container_title Japanese Journal of Applied Physics
container_volume 26
creator HIDAKA, R
OOKI, T
TAKEDA, K
KONDO, K
KANDA, H
UCHINO, K
MATSUDA, Y
MURAOKA, K
AKAZAKI, M
description Truly reliable measurements of electron temperature and density in a plasma flow for low-pressure plasma spraying (LPPS) were performed for the first time, using incoherent Thomson scattering of ruby-laser light. The results indicate the characteristic feature of a supersonic nozzle flow, namely, successive appearance of oblique shock-wave heating (∼1 eV) and compression (4×10 21 m -3 ), and subsequent cooling (∼0.2 eV) and rarefaction (1×10 21 m -3 ).
doi_str_mv 10.1143/jjap.26.l1724
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source IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link
subjects Exact sciences and technology
Physics
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
Plasma devices
title Ruby-laser scattering diagnostics of a supersonic plasma flow for low-pressure plasma spraying
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