期刊
IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA I KHIMICHESKAYA TEKHNOLOGIYA
卷 63, 期 2, 页码 91-98出版社
IVANOVSKOGO KHIMIKO-TEKHNOLOGI TSHESKOGO INST
DOI: 10.6060/ivkkt.20206302.6194
关键词
plasma; gas discharge; physical parameters; liquid cathode; anionic surfactants; cationic surfactants
The results of experimental study of the electrical and physical parameter of the gas discharge in air under the solutions of the two types of surfactants are given. The discharge was ignited between metal needle anode and liquid cathode. As the cathode the solutions of anionic surfactant C12H25SO4Na (SLS) and cationic surfactant C12H46ClN, (AOTC) were used. In the concentration range of 5.10(-3)-10 g/L and discharge current range of 20-100 mA the phenomenology of discharge was studied, the current densities and inputted power, cathode voltage drops, vibrational temperatures of N-2(C-3 Pi u), gas temperatures were obtained and reduced electric field strength was calculated. It was show that increase of the SLS concentration leads to the change in the discharge color due to transfer of Na atoms from liquid to the gas phase. In the same time there are no any new emission lines or band for the AOTC solutions were obtained. It was established that for cationic surfactants the cathode voltage drop is lower than for anionic surfactant. The gas temperatures and vibrational temperatures don't depend on solution type. Reduced electric field is in the range of 10-15 Td and the increase of the concentration leads to decrease of the E/N. The increase of the discharge current results in the growth of reduced electric field.
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