H
Heejung Jung
Researcher at University of California, Riverside
Publications - 97
Citations - 3868
Heejung Jung is an academic researcher from University of California, Riverside. The author has contributed to research in topics: Diesel fuel & Particle size. The author has an hindex of 34, co-authored 85 publications receiving 3310 citations. Previous affiliations of Heejung Jung include University of California & Community emergency response team.
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The influence of a cerium additive on ultrafine diesel particle emissions and kinetics of oxidation
TL;DR: In this paper, the influence of a cerium additive on the kinetics of oxidation and size distribution of ultrafine diesel particles was studied using a high-temperature oxidation-tandem differential mobility analysis method over the temperature range 300-700 ◦ C.
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Coupling field and laboratory measurements to estimate the emission factors of identified and unidentified trace gases for prescribed fires
Robert J. Yokelson,I. R. Burling,Jessica B. Gilman,Jessica B. Gilman,Carsten Warneke,Carsten Warneke,Chelsea E. Stockwell,J. A. de Gouw,J. A. de Gouw,S. K. Akagi,Shawn Urbanski,Patrick R. Veres,James M. Roberts,James M. Roberts,William C. Kuster,William C. Kuster,James Reardon,David W. T. Griffith,Timothy J. Johnson,S. Hosseini,John Miller,David R. Cocker,Heejung Jung,David R. Weise +23 more
TL;DR: The most comprehensive measurement of biomass burning emissions to date and it should enable improved representation of smoke composition in atmospheric models is presented in this article, where the results support a recent estimate of global NMOC emissions from biomass burning that is much higher than widely used estimates and they provide important insights into the nature of smoke.
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Comprehensive simultaneous shipboard and airborne characterization of exhaust from a modern container ship at sea.
Shane M. Murphy,Harshit Agrawal,Armin Sorooshian,Luz T. Padró,Harmony Gates,S. P. Hersey,W. A. Welch,Heejung Jung,J. W. Miller,David R. Cocker,Athanasios Nenes,Haflidi Jonsson,Richard C. Flagan,John H. Seinfeld +13 more
TL;DR: Using size-resolved chemical composition instead of bulk submicrometer composition has little effect on the predicted CCN concentrations because the cutoff diameter for CCN activation is larger than the diameter where the mass fraction of organic aerosol begins to increase significantly.
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Characteristics of SME biodiesel-fueled diesel particle emissions and the kinetics of oxidation
TL;DR: This study examines the characteristics of diesel particulate emissions as well as kinetics of particle oxidation using a 1996 John Deere T04045TF250 off-highway engine and 100% soy methyl ester (SME) biodiesel (B100) as fuel.
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Size-Selected Nanoparticle Chemistry: Kinetics of Soot Oxidation
TL;DR: In this article, a new experimental method has been developed to conduct surface chemistry and extract surface kinetic rates on size-selected nanoparticles using a tandem differential mobility analyzer (TDMA) technique.