| Autor: |
Tanaka, Yasunori, Sakuta, Tadahiro |
| Předmět: |
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| Zdroj: |
Electrical Engineering in Japan; 6/1/2003, Vol. 143 Issue 4, p1-11, 11p |
| Abstrakt: |
The pulse-modulated induction thermal plasma (PMITP) was established in Ar gas with additional gases such as H2, O2, N2, and CO2 to investigate the effects of various gas inclusions on the transient characteristics of thermal plasma. The dynamic response times of the thermal plasmas were estimated from the measured time-varying radiation intensity of Ar spectral line. Furthermore, time evolution of the Ar excitation temperature was determined by the two-line method. The results indicated that especially in Ar-CO2 PMITP, decreasing the current level in a modulation cycle raised the on-delay time which means a recovery time from a low-temperature state to a high-temperature one. In addition, the inclusion of CO2 in Ar PMITP caused lower temperatures just before the on-operation compared with other gases used in the experiment. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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