Search Results - "JIN HAN YUN"

Palladium-copper membrane modules for hydrogen separation at elevated temperature and pressure by Moon, Dong-Kyu, Han, Yun-Jin, Bang, Gina, Kim, Jeong-Hoon, Lee, Chang-Ha

“…Two Pd-Cu alloy membrane modules were designed to recover high-purity hydrogen from a mixture at elevated temperature and pressure. Permeation and separation…”
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High-purity hydrogen production via a water-gas-shift reaction in a palladium-copper catalytic membrane reactor integrated with pressure swing adsorption by Bang, Gina, Moon, Dong-Kyu, Kang, Jun-Ho, Han, Yun-Jin, Kim, Kyung-Min, Lee, Chang-Ha

“…[Display omitted] •Pd-Cu CMR integrated with PSA was developed to produce high purity H2 from syngas.•CO conversion in the CMR was highly improved with pure H2…”
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Direct desulfurization of limestones under oxy-circulating fluidized bed combustion conditions by Kim, Ye Bin, Gwak, You Ra, Keel, Sang In, Yun, Jin Han, Lee, See Hoon

“…•The limestones behaviors under simulated Oxy-CFBC conditions were investigated in TGA.•Direct desulfurization was studied under CO2 concentration…”
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Steam regeneration of acetone and toluene in activated carbon and dealuminated Y-zeolite beds by Lee, Dong-Geun, Han, Yun-Jin, Lee, Chang-Ha

“…The dynamics of steam regeneration in activated carbon and dealuminated Y-zeolite (DAY-zeolite) beds was studied to recover acetone and toluene from effluent…”
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A study on flame interaction between methane/air and nitrogen-diluted hydrogen–air premixed flames by Ha, Ji Soo, Moon, Chang Woo, Park, Jeong, Kim, Jeong Soo, Kim, Tae Hyung, Park, Jong Ho, Yun, Jin Han, Keel, Sang In

“…Numerical and experimental studies are conducted to grasp downstream interactions between premixed flames stratified with two different kinds of fuel mixture…”
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A Study on Flame Extinction Characteristics along a C-Curve by Geun Park, Dae, Han Yun, Jin, Park, Jeong, In Keel, Sang

“…A study has been conducted both experimentally and numerically to clarify impacts of curtain flow and velocity ratio on low strain rate flame extinction and to…”
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Numerical study of oxy-fuel combustion behaviors in a 2MWe CFB boiler by Gwak, You Ra, Yun, Jin Han, Keel, Sang In, Lee, See Hoon

“…Using modified IEA-CFBC(International Energy Association-Circulating fluidized bed combustion) model, a 2 MWe oxy-fuel CFBC boiler is simulated and analyzed as…”
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Effects of addition of electrolysis products in methane–air diffusion flames by Park, Jeong, In Keel, Sang, Han Yun, Jin, Kwon Kim, Tae

“…Evaluation of steam-added methane–hydrogen blends through the comparison of flame structures and pollutant emissions is numerically conducted with detailed…”
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Mechanisms of direct and in-direct sulfation of limestone by Jeong, Seongha, Lee, Kang Soo, Keel, Sang In, Yun, Jin Han, Kim, Yong Jin, Kim, Sang Soo

“…•SO2 absorption area of direct sulfation was different from the indirect sulfation.•The grain model can be applied to the indirect sulfation.•The shrinking…”
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Dependence of N2O/NO Decomposition and Formation on Temperature and Residence Time in Thermal Reactor by Lee, Sang Ji, Yun, Jae Geun, Lee, Han Min, Kim, Ji Yeop, Yun, Jin Han, Hong, Jung Goo

“…Nitrogen dioxide (N2O) is a greenhouse gas that is harmful to the ozone layer and contributes to global warming. Many other nitrogen oxide emissions are…”
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Effects of diluents on cellular instabilities in outwardly propagating spherical syngas–air premixed flames by Vu, Tran Manh, Park, Jeong, Kwon, Oh Boong, Bae, Dae Seok, Yun, Jin Han, Keel, Sang In

“…Experiments were conducted in a constant pressure combustion chamber using schlieren system to investigate the effects of carbon dioxide–nitrogen–helium…”
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Behavior of nitrogen oxides in a lab-scale coal ammonia co-firing system by Lee, EunSong, Keel, Sang-In, Kim, Min-Su, Jegal, HyunWook, Yun, Jin-Han, Chi, Jun Hwa, Baek, SeHyun, Lee, JongMin, Jeon, MinKyu

“…The objective of this study was to determine the ideal coal–ammonia (NH3) co-firing conditions to achieve carbon neutrality and suppress NOx formation. This…”
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Separation of Carbon Dioxide and Methane Mixture by an Adsorbent/Membrane Hybrid System Using Zeolite 5A Pellets and FAU-Zeolite Membrane by Han, Yun-Jin, Kang, Jun-Ho, Kim, Hee-Eun, Moon, Jong-Ho, Cho, Churl-Hee, Lee, Chang-Ha

“…The permeation and separation of a CO2/CH4 mixture in an adsorbent/membrane hybrid (AMH) system, comprising zeolite 5A pellets packed into a tubular-type…”
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Experimental study on cellular instabilities in hydrocarbon/hydrogen/carbon monoxide–air premixed flames by Vu, Tran Manh, Park, Jeong, Kim, Jeong Soo, Kwon, Oh Boong, Yun, Jin Han, Keel, Sang In

“…To investigate cell formation in methane (or propane)/hydrogen/carbon monoxide–air premixed flames, the outward propagation and development of surface cellular…”
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Kinetic effects of methane on binary mixture separation on methyltriethoxysilane templated silica membranes by Han, Yun-Jin, Ko, Kwang-Jun, Choi, Hyun-Kyu, Moon, Jong-Ho, Lee, Chang-Ha

“…Compared to the separation factors, permselectivity was overestimated in CO2/CH4 mixture but underestimated in CH4/N2 mixture in the methyltriethoxysilane…”
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Effects of syngas addition on flame propagation and stability in outwardly propagating spherical dimethyl ether-air premixed flames by Song, Won Sik, Jung, Seong Wook, Park, Jeong, Kwon, Oh Boong, Kim, Young Ju, Kim, Tae Hyung, Yun, Jin Han, Keel, Sang In

“…Experiments in outwardly propagating spherical flame were carried out to investigate unstretched laminar burning velocity and flame instability by adding 25%,…”
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Chemical effects of added CO2 on the extinction characteristics of H2/CO/CO2 syngas diffusion flames by PARK, Jeong, JEONG SOO KIM, JIN OH CHUNG, JIN HAN YUN, SANG IN KEEL

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A Study on the N2O Reduction Rate According to Temperature and Residence Time in the Exhaust Gas Atmosphere Emitted on Combustion of Air and Oxygen by Yun, Jae Geun, Kim, Ji Yeop, Lee, Han Min, Baik, Gwang Yeol, Jeon, Min Kyu, Yun, Jin Han, Hong, Jung Goo

“…N2O is a hazardous greenhouse gas. It should be reduced to solve global warming problems. In this study, experiments of N2O thermal decomposition were…”
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Self-excitation in laminar lifted free-jet propane flames diluted with nitrogen by Yoon, Sung Hwan, Han, Jong Kyu, Park, Jeong, Yun, Jin Han, Keel, Sang In

“…Laminar lifted propane free-jet flames diluted with nitrogen were experimentally investigated to determine distinctive self-excitation regimes in the flame…”
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Effects of CO2 addition on flame extinction in interacting H2―air and CO-air premixed flames by Jung, Seung Wook, Park, Jeong, Kwon, Oh Boong, Kim, Young Ju, Keel, Sang In, Yun, Jin Han, Lim, In Gweon

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