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Seul-Hyun Park
Drexel University
CombustionNISTEngineeringDrop (liquid)Soot
36Publications
8H-index
193Citations
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Publications 34
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#1Jong won LeeH-Index: 1
Last. Seul Hyun ParkH-Index: 1
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#1Ter-Ki HongH-Index: 1
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#1Beom-Seok RhoH-Index: 1
#4Jae-Hyuk ChoiH-Index: 4
Last. Won-Ju LeeH-Index: 2
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: In the present study, the soot particles produced from diffusion flames burning biodiesel fuel were thermophoretically sampled and the carbon nanostructure of soot particles were imaged using a high resolution transmission electron microscopy (HRTEM). The HRTEM images of soot particles were then quantitatively analyzed using a digital image processing algorithm developed and implemented as part of this work. The HRTEM interpretations with an aid of image processing support feasibility of use o...
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#1Jong won LeeH-Index: 1
Last. Seul-Hyun ParkH-Index: 8
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#1Seuk-Cheun Choi (Chosun University)
#2Yeongseok JangH-Index: 2
Last. Youn-Kyu KimH-Index: 3
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The dimensionless extinction constants of smoke particles produced from burning of soy methyl ester (B100) biodiesel and ultra low sulfur diesel (ULSD) fuels were measured. To this end, optical measurements of smoke volume fraction with the aid of a He-Ne laser at 633 nm were compared to the simultaneous gravimetric measurements. The average value of measured dimensionless extinction constants at 633 nm was 11.8 for biodiesel smoke particles and 11.1 for diesel smoke particles, respectively whos...
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#1Bong-Jun KimH-Index: 1
#2Jae-Ho ChoH-Index: 1
Last. Seul-Hyun ParkH-Index: 8
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1 CitationsSource
#1Jae-Hyuk ChoiH-Index: 4
#2Seuk-Cheun ChoiH-Index: 1
Last. Seul-Hyun ParkH-Index: 8
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The dimensionless extinction constants of particulate matter for F-76 diesel and JP-8 aviation fuels were measured at both 633 nm and 853 nm in the transmission cell where the simultaneous gravimetric measurement of PM concentration is compared to the light extinction measurement. For the F-76 diesel PM, the average value of the dimensionless extinction constants at 633 nm was 8.8 whereas that of the dimensionless extinction constants for JP-8 was 9.8 at the same wavelength. As the wavelength is...
1 CitationsSource
#1Sun-Yeo MunH-Index: 2
#2Chung-Hwa ParkH-Index: 16
Last. Seul-Hyun ParkH-Index: 8
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To investigate numerically the effects of geometry and location of vertical opening on the thermal and chemical fire characteristics in full-scale under-ventilated compartment fires, the ventilation factor () to estimate a theoretical maximum inflow of ambient air and the mass loss rate in a heptane pool fire were fixed for all cases. It was shown that variations in door geometry affected significantly the change in thermal and chemical characteristics inside the compartment. Variations in windo...
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