| 1 | Temperature and Nitric Oxide Generation in a Pulsed Arc Discharge Plasma显示文摘Nitric oxide (NO) is increasingly being used in medical treatments of high bloodpressure,acute respiratory distress syndrome and other illnesses related to the lungs.Currentlya NO inhalation system consists of a gas cylinder of N_2 mixed with a high concentration of NO.This arrangement is potentially risky due to the possibility of an accidental leak of NO from thecylinder.The presence of NO in the air leads to the formation of nitric dioxide (NO_2),which istoxic to the lungs.Therefore,an on-site generator of NO would be highly desirable for medicaldoctors to use with patients with lung disease.To develop the NO inhalation system without a gas cylinder,which would include a high con-centration of NO,NAMIHIRA et al have recently reported on the production of NO from roomair using a pulsed arc discharge.In the present work,the temperature of the pulsed arc dischargeplasma used to generate NO was measured to optimize the discharge condition.The resultsof the temperature measurements showed the temperature of the pulsed arc discharge plasmareached about 10,000 K immediately after discharge initiation and gradually decreased over tensof microseconds.In addition,it was found that NO was formed in a discharge plasma havingtemperatures higher than 9,000 K and a smaller input energy into the discharge plasma generatesNO more efficiently than a larger one. | T.NAMIHIRA S.SAKAI M.MATSUDA D.WANG T.KIYAN H.AKIYAMA K.OKAMOTO K.TODA | 2007 | Plasma Science and Technology2007，9，6： | 1 |
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