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Analysis of Fine Dust Removal Time Using Circular Hole Electrodes of Various Sizes by Corona Discharge

Author

Listed:
  • Do-Hyun Kim

    (School of Electrical Engineering, Pusan National University, Busan 46241, Korea)

  • Min-Soo Kim

    (School of Electrical Engineering, Pusan National University, Busan 46241, Korea)

  • Muhammad Adil Khan

    (School of Electrical Engineering, Pusan National University, Busan 46241, Korea)

  • Hee-Je Kim

    (School of Electrical Engineering, Pusan National University, Busan 46241, Korea)

Abstract

Corona discharge technology is used widely for air purification in laboratory experiments and industry. On the other hand, corona discharge technology has the disadvantage of requiring large-sized electrodes. Therefore, research is needed to reduce the size of the electrodes. In this study, circular hole aluminum electrodes and an air purifier system were designed to reduce the size of the electrodes. Several sets of power conversions were performed to generate a corona discharge. The system consisted of a half bridge inverter, step-up transformer, and Cockcroft Walton circuit. The range of input and output voltages was 30–70 V and 20–25 kV, respectively. A corona discharge was generated by the output voltage. The system could remove smoke in less time with a combination of 13 kHz and an electrode with a hole diameter of 0.2 cm than with the other combinations. The electrode hole diameter affected the removal time of species such as hydrogen carbon hydrogen oxygen (HCHO, formaldehyde), total volatile organic compounds (TVOC), and fine dust, which was confirmed by laboratory experiments. Mathematical derivation and experiments were carried out to prove the validity of the approach; the Clean Air Delivery Rate (CADR) index was 480 μm/m 3 .

Suggested Citation

  • Do-Hyun Kim & Min-Soo Kim & Muhammad Adil Khan & Hee-Je Kim, 2018. "Analysis of Fine Dust Removal Time Using Circular Hole Electrodes of Various Sizes by Corona Discharge," Energies, MDPI, vol. 11(8), pages 1-15, July.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:8:p:1956-:d:160416
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    References listed on IDEAS

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    1. P. Sathishkumar & Himanshu & Shengxu Piao & Muhammad Adil Khan & Do-Hyun Kim & Min-Soo Kim & Dong-Keun Jeong & Cheewoo Lee & Hee-Je Kim, 2017. "A Blended SPS-ESPS Control DAB-IBDC Converter for a Standalone Solar Power System," Energies, MDPI, vol. 10(9), pages 1-19, September.
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