Experimental study on electrostatic spark discharge under different electrode parameters,pressure and gas component |
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| Affiliation: | 1. School of Environmental and Chemical Engineering, Jiangsu Ocean University, Lianyungang, 222005, China;2. School of Safety Science and Emergency Management, Wuhan University of Technology, Wuhan, 430070, China;3. Jiangsu Institute of Marine Resources Development, Jiangsu Ocean University, Lianyungang, 222005, China;1. State Key Laboratory of Fine Chemicals, Department of Chemical Machinery and Safety Engineering, Dalian University of Technology, Dalian, Liaoning, 116024, PR China;2. Tianjin Fire Research Institute of MEM, Tianjin, 300381, China;1. Dipartimento di Scienza Applicata e Tecnologia-Politecnico di Torino, C.so Duca degli Abruzzi 21, 10129, Torino, Italy;2. Laboratoire Réactions et Génie des Procédés, Université de Lorraine, CNRS, LRGP, F- 54000, Nancy, France;3. Department of Energy (DENERG), Politecnico di Torino, Viale T. Michel 5, 15121, Alessandria, Italy;1. CSE Center of Safety Excellence (CSE-Institut), Joseph-von-Fraunhofer-Str. 9, 76327, Pfinztal, Germany;2. University of Applied Sciences, Moltkestrasse 30, 76133, Karlsruhe, Germany |
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| Abstract: | In this work, the influence of different experimental parameters (electrode gap, electrode shape, pressure and gas component) on spark discharge characteristics is investigated. The dynamic processes of voltage, current, energy, and power during the spark discharge process are analyzed. Electrical characteristic parameters including the discharge energy, discharge efficiency, spark resistance and total resistance are studied. High-speed schlieren technology is used to visualize the spark discharge and shock wave formation under different pressure and electrode shapes. The effect of pressure on the shape, radius and average velocity of the shock wave is investigated. |
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| Keywords: | Spark discharge Discharge energy Shock wave Spark resistance |
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