Collection performance of an electrostatic filtration system combined with a metallic flow-through filter for ultrafine diesel particulate matters

Kim, H. J.; Han, Bangwoo; Cho, G. B.; Kim, Y. J.; Yoo, Joo Sik; Oda, Tetsuji

doi:10.1007/s12239-013-0053-8

Cited by 7 publications

(3 citation statements)

References 18 publications

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“…However, the efficiency at a size of approximately 16 nm increased as the applied voltage decreased. Kim et al [16,17] reported that a nanoparticle collection efficiency of greater than 90% was achieved in an electrostatic filtration system, combined with a metallic flow-through filter for diesel exhaust gas, which was different from the result in this study. This is the most likely option, as their electrostatic filtration system, combined with a metallic flow-through filter, may have been suitable for preventing an increase of nanoparticles.…”

Section: Collection Efficiencycontrasting

confidence: 96%

“…It is considered that the vapor content in a gas is diluted to less than the saturated vapor content after the gas is cooled, whereby condensation hardly occurs. Although the diluter and dilution ratio were different from this equipment, Kim et al [16,17] used a similar sampling and measurement system. The particle size distribution was measured using a scanning mobility particle sizer (SMPS) (Model 3936, TSI, Shoreview, MN, USA).…”

Section: Methodsmentioning

confidence: 99%

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Collection Characteristic of Nanoparticles Emitted from a Diesel Engine with Residual Fuel Oil and Light Fuel Oil in an Electrostatic Precipitator

2019

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The purpose of this study was to investigate the collection characteristics of nanoparticles emitted from a diesel engine in an electrostatic precipitator (ESP). The experimental system consisted of a diesel engine (400 cc) and an ESP; residual fuel oil and light fuel oil were used for the engine. Although, the peak value of distribution decreased as the applied voltage increased due to the electrostatic precipitation effect, the particle concentration, at a size of approximately 20 nm, increased compared with that at 0 kV, in the exhaust gas, from the diesel engine with residual fuel oil. However, the efficiency increased by optimizing the applied voltage, and the total collection efficiency in the exhaust gas, using the residual fuel oil, was 91%. On the other hand, the particle concentration, for particle diameters smaller than 20 nm, did not increase in the exhaust gas from the engine with light fuel oil.

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Section: Collection Efficiencycontrasting

confidence: 96%

Section: Methodsmentioning

confidence: 99%

Collection Characteristic of Nanoparticles Emitted from a Diesel Engine with Residual Fuel Oil and Light Fuel Oil in an Electrostatic Precipitator

2019

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“…However, efficiencies based on PM number were enhanced significantly to over 95% with an applied voltage of 11 kV to the combined ESP and foam filters, during transient operation of the engine. These results indicate that the collection performance of metallic foam filters may be enhanced by combination with an ESP, which was also observed in our previous study where the particle size-dependent collection efficiency of a metallic flow-through filter was significantly enhanced when it was combined with an ESP [19,20]. Figure 13 shows collection efficiencies of the combination device without foam filters and with foam filters of different thicknesses during the ETC mode test.…”

Section: Methodssupporting

confidence: 83%

Submicrometer PM Removal of an ESP Combined With a Metallic Foam Filter for Large Volumetric Diesel Engines

Kim

Han

Woo

2015

IEEE Trans. on Ind. Applicat.

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An electrostatic diesel particulate matter filtration device was tested using 4000 cc diesel engines operating at standard (European Stationary Cycle (ESC) 13 and European Transient Cycle (ETC)) conditions, at temperatures between 100°C and 500°C and gas velocities of up to 30 m/s. The device consisted of an edge to cylinder-type electrostatic precipitator (ESP) and a metallic foam filter. To minimize the volume of the foam filter and reduce pressure drop through the filtration device, the thickness of the layer of foam filter was reduced from 34.5 to 11.5 mm. PM emissions with the filtration device, using a foam sheet thickness of 11.5 mm, were less than 0.01 g/kWh, which met the diesel PM standard given in EURO 6 regulations. Emissions using only a foam filter with 11.5 mm layers were over 0.03 g/kWh. The pressure drop of the device with 11.5 mm foam sheets was 25% that using 34.5 mm layers. A foam filter coated with Pt catalysts was tested at temperatures ranging from 300°C to 400°C, and approximately 12 g PMs were burned out through natural regeneration.

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Review on characterization of nano-particle emissions and PM morphology from internal combustion engines: Part 1

Myung

Park

2014

Int.J Automot. Technol.

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Collection performance of an electrostatic filtration system combined with a metallic flow-through filter for ultrafine diesel particulate matters

Cited by 7 publications

References 18 publications

Collection Characteristic of Nanoparticles Emitted from a Diesel Engine with Residual Fuel Oil and Light Fuel Oil in an Electrostatic Precipitator

Collection Characteristic of Nanoparticles Emitted from a Diesel Engine with Residual Fuel Oil and Light Fuel Oil in an Electrostatic Precipitator

Submicrometer PM Removal of an ESP Combined With a Metallic Foam Filter for Large Volumetric Diesel Engines

Review on characterization of nano-particle emissions and PM morphology from internal combustion engines: Part 1

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