Spatially- and time-resolved measurements of HO2 radicals in a ns pulse atmospheric pressure plasma jet
Hamzeh Telfah,
Sai Raskar,
Igor V Adamovich
Abstract:The absolute, spatially-resolved, and time-resolved number density of the hydroperoxyl radical is measured in a quasi-two-dimensional, atmospheric pressure “curtain” plasma jet powered by a train of ns discharge pulses. The spatial distribution of HO2 is measured across the shorter dimension of the jet. The measurements are made in two different configurations, (a) H2O-O2-He jet impinging on a copper foil target, and (b) O2-He jet incident on the liquid water surface. In the first configuration, the water vapo… Show more
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