Experimental and theoretical study on heat transfer of an impinging plasma jet

Kuniyasu Ogawa, Kunio Hijikata

研究成果: Article査読

抄録

Heal transfer from an argon arc plasma jet al atmospheric pressure to a wall was investigated experimentally and theoretically. A new. water-cooled thermal probe was developed for measuring the plasma temperature and velocity. The temperature was determined from the measured heat flux by using an empirical relation for the heat transfer coefficient, taking into account the variable physical properties, of the argon plasma. The measured temperature was in good agreement with those obtained from optical measurements. To clarify the effects of joule heating, re-combination of charged particles and electron working function on heat transfer to the wall, theoretical analysis near the stagnation point was performed and the results were compared with experimental data, where the local heat flux was measured by developing a new sensor. The results indicate that the most important heat transfer mechanism is heating by the electron work function.

本文言語English
ページ(範囲)1-8
ページ数8
ジャーナルAmerican Society of Mechanical Engineers, Fluids Engineering Division (Publication) FED
240
出版ステータスPublished - 1996 12 1
外部発表はい

ASJC Scopus subject areas

  • 工学(全般)

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