Search Results - "Yoh, Jack J"

Electronegative microchannel guided streamer propagation for in-liquid spark breakdown applications by Ham, Hwi-Chan, Yoh, Jack. J.

“…One of the well-known challenging issues of in-liquid spark breakdown is electrode wear and wear-dependent deposit energy fluctuation, regardless of the…”
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Acoustic deep brain modulation: Enhancing neuronal activation and neurogenesis by Ham, Hwichan, Kim, Kyu Sik, Lee, Jee-Hwan, Kim, Do-Nyun, Choi, Hyung-Jin, Yoh, Jack J.

“…Non-invasive deep brain modulation (DBM) stands as a promising therapeutic avenue to treat brain diseases. Acoustic DBM represents an innovative and targeted…”
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Towards simplified monitoring of instantaneous fuel concentration in both liquid and gas fueled flames using a combustor injectable LIBS plug by Jun, Hyung Min, Kim, John Hyunwoo, Lee, Seok Hwan, Yoh, Jack J.

“…In this study, instantaneous measurement of fuel concentration and flame diagnostics in both liquid and gas hydrocarbon fueled flame is presented using a…”
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Two-dimensional measurement of hydrocarbon fuel concentration using multiple laser-induced plasma-forming regions by Jun, Hyung Min, Suh, Seung Won, Yoh, Jack J

“…A two-dimensional measurement of fuel distribution in a gasoline spray flow was performed using multiple laser-induced plasma-forming regions. Multiple…”
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A reactive hydrodynamic simulation of noise propagation for a concrete-confined detonation by Ji, Juntae, Lee, Younghun, Yoh, Jack J.

“…When a point source detonation occurs, high temperature and pressure gases are released and then propagate through the open atmosphere as a blast wave. This…”
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A new particle method for simulating breakup of liquid jets by Sirotkin, Fedir V., Yoh, Jack J.

“…A corrected smoothed particle hydrodynamics (CSPH) method for simulating two-phase flows including surface tension is presented. The effects of the instability…”
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A multi-scale simulation of hot spot initiation of detonation utilizing experimental measurements by Kim, Yoocheon, Lee, Younghun, Yoh, Jack J.

“…Empirical and phenomenological hydrodynamic reactive flow models, such as the ignition-and-growth and Johnson–Tang–Forest models, have been effective in…”
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Reduced graphene oxide coated thin aluminum film as an optoacoustic transmitter for high pressure and high frequency ultrasound generation by Hwan Lee, Seok, Park, Mi-ae, Yoh, Jack J, Song, Hyelynn, Yun Jang, Eui, Hyup Kim, Yong, Kang, Sungchan, Seop Yoon, Yong

“…We demonstrate that reduced graphene oxide (rGO) coated thin aluminum film is an effective optoacoustic transmitter for generating high pressure and high…”
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Towards a two-dimensional laser induced breakdown spectroscopy mapping of liquefied petroleum gas and electrolytic oxy-hydrogen flames by Lee, Seok Hwan, Hahn, H. Thomas, Yoh, Jack J.

“…Two-dimensional mapping of the laser-induced breakdown spectroscopy (LIBS) signal of chemical species information in liquefied petroleum gas (LPG) and…”
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Simulating sympathetic detonation using the hydrodynamic models and constitutive equations by Kim, Bohoon, Kim, Minsung, Sun, Taeboo, Yoh, Jack J.

“…A Sympathetic detonation (SD) is a detonation of an explosive charge by a nearby explosion. Most of times it is unintended while the impact of blast fragments…”
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Thermal decomposition behaviour and chemical kinetics of tungsten based electrically controlled solid propellants by Gnanaprakash, Kanagaraj, Yang, Meng, Yoh, Jack J.

“…In recent times, there is a growing interest in the development of electrically controlled solid propellants (ECSPs) because they offer various advantages over…”
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Automotive airbag inflator analysis using the measured properties of modern propellants by Seo, Young-Duk, Chung, Suk Ho, Yoh, Jack J.

“…An airbag is composed of a housing assembly, door assembly, cushion assembly, and an inflator. The inflator is an essential part that generates gas for the…”
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A numerical investigation of the effects of hydrogen addition on combustion instability inside a partially-premixed swirl combustor by Nam, Jaehyun, Yoh, Jack J.

“…•Large eddy simulation of hydrogen-enriched partially-premixed combustor is performed.•Effects of hydrogen composition on combustion instability are…”
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Investigation of aging induced processes on thermo-kinetic and combustion characteristics of tungsten pyrotechnic delay composition by Gnanaprakash, Kanagaraj, Lee, Younghun, Yoh, Jack J.

“…A degradation in performance parameters related to thermal decomposition and combustion behaviour of tungsten based pyrotechnic delay composition can occur…”
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Laser-generated shock wave attenuation aimed at microscale pyrotechnic device design by Yu, Hyeonju, Yoh, Jack J.

“…To meet the rising demand for miniaturizing the pyrotechnic device that consists of donor/acceptor pair separated by a bulkhead or a thin gap, the shock…”
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Observation of gunpowder-like thermochemical responses of a thermal energy storage system based on KNO3/NaNO3/Graphite exposed to a heat transfer fluid by Oh, Juyoung, Jung, Haewoong, Yoh, Jack J.

“…•Safe operation condition for latent-type thermal energy storage is sought.•Solar salts can explosively react with expanded graphite under moderate…”
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A check valve controlled laser-induced microjet for uniform transdermal drug delivery by Ham, Hwi-chan, Jang, Hun-jae, Yoh, Jack J.

“…A narrow nozzle ejects a microjet of 150 μm in diameter with a velocity of 140 m/s a by the laser-induced bubble expansion in the designed injector. The pulsed…”
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Modeling the shock-induced multiple reactions in a random bed of metallic granules in an energetic material by Kim, Bohoon, Choi, Sanghun, Yoh, Jack J.

“…An investigation of shock–particle interactions in reactive flows is performed using an Eulerian hydrodynamic method with a hybrid particle level-set algorithm…”
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Critical changes in the ignition and combustion characteristics of aged titanium-based initiators by Oh, Juyoung, Yoh, Jack J.

“…Titanium hydride potassium perchlorate (THPP), which is one of the most commonly utilized pyrotechnic initiators, can fail or deviate from the desired…”
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Toward understanding the aging effect of energetic materials via advanced isoconversional decomposition kinetics by Kim, Yoocheon, Ambekar, Anirudha, Yoh, Jack J.

“…The decomposition process of typical energetic material (EM) may consist of thousands of individual reactions as well as many intermediate species. However,…”
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