Plasma flow measurement by mach probes in GAMMA10

A. Ando; H. Tobari; M. Shibata; H. Isobe; K. Hattori; M. Inutake; K. Nemoto; H. Higaki; M. Ichimura

doi:10.13182/fst07-a1354

Plasma flow measurement by mach probes in GAMMA10

A. Ando, H. Tobari, M. Shibata, H. Isobe, K. Hattori, M. Inutake, K. Nemoto, H. Higaki, M. Ichimura

ENG - Electrical Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

Calibration of an up-down type Mach probe is performed using a fast-flowing plasma produced by a magneto-plasma-dynamic arcjet. Mach probe data are compared with ion acoustic Mach numbers M_i, which are calculated using a plasma flow velocity U_p and an ion temperature T_i measured by spectroscopy and electron temperature T_e by Langmuir probe. The obtained data are also compared with Hutchinson's PIC simulation results in an unmagnetized plasma and are in good agreement with each other. First attempts to measure plasma flow field using a Mach probe are performed at the open-end section in GAMMA10. It is found that M_i at r=0 is more than 2, namely a supersonic plasma flow is formed in the end-cell region.

Original language	English
Pages (from-to)	217-219
Number of pages	3
Journal	Fusion Science and Technology
Volume	51
Issue number	2 T.
DOIs	https://doi.org/10.13182/fst07-a1354
Publication status	Published - 2007 Feb

ASJC Scopus subject areas

Civil and Structural Engineering
Nuclear and High Energy Physics
Nuclear Energy and Engineering
Materials Science(all)
Mechanical Engineering

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title = "Plasma flow measurement by mach probes in GAMMA10",

abstract = "Calibration of an up-down type Mach probe is performed using a fast-flowing plasma produced by a magneto-plasma-dynamic arcjet. Mach probe data are compared with ion acoustic Mach numbers Mi, which are calculated using a plasma flow velocity Up and an ion temperature Ti measured by spectroscopy and electron temperature Te by Langmuir probe. The obtained data are also compared with Hutchinson's PIC simulation results in an unmagnetized plasma and are in good agreement with each other. First attempts to measure plasma flow field using a Mach probe are performed at the open-end section in GAMMA10. It is found that Mi at r=0 is more than 2, namely a supersonic plasma flow is formed in the end-cell region.",

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T1 - Plasma flow measurement by mach probes in GAMMA10

AU - Ando, A.

AU - Tobari, H.

AU - Shibata, M.

AU - Isobe, H.

AU - Hattori, K.

AU - Inutake, M.

AU - Nemoto, K.

AU - Higaki, H.

AU - Ichimura, M.

PY - 2007/2

Y1 - 2007/2

N2 - Calibration of an up-down type Mach probe is performed using a fast-flowing plasma produced by a magneto-plasma-dynamic arcjet. Mach probe data are compared with ion acoustic Mach numbers Mi, which are calculated using a plasma flow velocity Up and an ion temperature Ti measured by spectroscopy and electron temperature Te by Langmuir probe. The obtained data are also compared with Hutchinson's PIC simulation results in an unmagnetized plasma and are in good agreement with each other. First attempts to measure plasma flow field using a Mach probe are performed at the open-end section in GAMMA10. It is found that Mi at r=0 is more than 2, namely a supersonic plasma flow is formed in the end-cell region.

AB - Calibration of an up-down type Mach probe is performed using a fast-flowing plasma produced by a magneto-plasma-dynamic arcjet. Mach probe data are compared with ion acoustic Mach numbers Mi, which are calculated using a plasma flow velocity Up and an ion temperature Ti measured by spectroscopy and electron temperature Te by Langmuir probe. The obtained data are also compared with Hutchinson's PIC simulation results in an unmagnetized plasma and are in good agreement with each other. First attempts to measure plasma flow field using a Mach probe are performed at the open-end section in GAMMA10. It is found that Mi at r=0 is more than 2, namely a supersonic plasma flow is formed in the end-cell region.

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Plasma flow measurement by mach probes in GAMMA10

Abstract

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