Search Results - "OH BOONG KWON"

Downstream interaction between stretched premixed syngas–air flames by Kim, Tae Hyung, Park, Jeong, Fujita, Osamu, Kwon, Oh Boong, Park, Jong Ho

“…► Extinction boundary showing an island changes into a point in increase of strain rate. ► Flame extinction is due to conductive heat loss from stronger flame…”
Get full text

Important role of chemical interaction on flame extinction in downstream interaction between stretched premixed H2-air and CO-air flames by Kim, Tae Kwon, Park, Jeong, Oh, Sang Hoon, Kwon, Oh Boong, Baek, Se Hyun, Ko, Sungho

“…Important role of chemical interaction in flame extinction is numerically investigated in downstream interaction among lean (rich) and lean (rich) premixed as…”
Get full text

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…”
Get full text

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…”
Get full text

Effects of hydrocarbon addition on cellular instabilities in expanding syngas–air spherical premixed flames by Vu, Tran Manh, Park, Jeong, Kwon, Oh Boong, Kim, Jeong Soo

“…Experiments were conducted in a constant pressure combustion chamber using high-speed schlieren imaging to investigate the effects of hydrocarbon addition on…”
Get full text

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%,…”
Get full text

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

Get full text

Preferential diffusion effects in downstream interactions between premixed H2–air and CO–air flames by Kim, Young Ju, Kim, Tae Hyung, Park, Jeong, Kwon, Oh Boong, Keel, Sang In, Yun, Jin Han

“…•Impact of chemical interaction through preferential diffusion of H2 in flame structure.•Comparison between flame characteristics with and without restricting…”
Get full text

Lewis-number-induced and buoyancy-driven self-excitations in nitrogen-diluted laminar non-premixed free-jet flames by Lee, Won June, Youn, Sung Hwan, Park, Jeong, Kwon, Oh Boong, Kim, Young Ju, Yun, Jin Han, Keel, Sang In

“…•Lewis-number-induced self-excitation was observed in laminar jet flame.•BDSE was originated from BISE.•LISE and BDSE were characterized by Strouhal numbers…”
Get full text

Effect of flame stretch in downstream Interaction between premixed syngas-air flames by Ha, Ji Soo, Park, Jeong, Vu, Tran Manh, Kwon, Oh Boong, Yun, Jin Han, Keel, Sang In

“…The effect of strain rate in downstream interactions between lean (rich) and lean (rich) premixed syngas flames with the fuel composition of 50% H 2 and 50% CO…”
Get full text

A study on flame structure and extinction in downstream interaction between lean premixed CH4-air and (50% H2 + 50% CO) syngas-air flames by JEONG SOO KIM, PARK, Jeong, OH BOONG KWON, DAE SEOK BAE, JIN HAN YUN, SANG IN KEEL

Get full text

Role of the outer-edge flame on flame extinction in nitrogen-diluted non-premixed counterflow flames with finite burner diameters by Chung, Yong Ho, Park, Dae Geun, Park, Jeong, Kwon, Oh Boong, Yun, Jin Han, Keel, Sang In

“…► The low strain rate extinction is affected by behaviors of the outer edge flame. ► The radial conductive heat loss is the main mechanism for low strain rate…”
Get full text

Experimental study on self-excitations in nitrogen-diluted laminar lifted butane flames by Yoon, Sung Hwan, Park, Jeong, Kwon, Oh Boong, Yoon, Jin Han, Keel, Sang In, Kim, Jeong S., Bae, Dae S.

“…► A new extremely low frequency self-excitation (< 0.1Hz) and a newly observed flame blow-out are caused by conductive heat loss from premixed wings to the…”
Get full text

Preferential diffusion effects on flame characteristics in H2/CO syngas diffusion flames diluted with CO2 by PARK, Jeong, OH BOONG KWON, JIN HAN YUN, SANG IN KEEL, HAN CHANG CHO, KIM, Sungcho

Get full text

Effects of preferential diffusion on downstream interaction in premixed H2/CO syngas–air flames by Kim, Tae Hyung, Song, Won Sik, Park, Jeong, Kwon, Oh Boong, Park, Jong Ho

“…Effects of strain rate and preferential diffusion of H2 on flame extinction are numerically explored in interacting premixed syngas–air flames with the fuel…”
Get full text

Preferential diffusion effects in opposed-flow diffusion flame with blended fuels of CH4 and H2 by JEONG SOO KIM, PARK, Jeong, OH BOONG KWON, EUI JU LEE, JIN HAN YUN, SANG IN KEEL

Get full text

Preferential Diffusion Effects on NO Formation in Methane/Hydrogen-Air Diffusion Flames by Kim, Jeong Soo, Park, Jeong, Kwon, Oh Boong, Yun, Jin Han, Keel, Sang In, Kim, Tae Kwon

“…A numerical study in methane/hydrogen diffusion flames has been conducted to clarify the preferential diffusion effects of H2 and H with detailed chemistry…”
Get full text

Heat-loss-induced self-excitation in laminar lifted coflow-jet flames by Lee, Won June, Park, Jeong, Kwon, Oh Boong, Yoon, Jin Han, Keel, Sang In

“…A laminar-lifted propane coflow jet flame diluted with nitrogen was experimentally investigated to clarify the effect of coflow air. Flame stability maps were…”
Get full text

Downstream interaction between stretched premixed syngasaair flames by Kim, Tae Hyung, Park, Jeong, Fujita, Osamu, Kwon, Oh Boong, Park, Jong Ho

“…Effect of strain rate on flame extinction is numerically investigated in downstream interaction among lean (rich) and lean (rich) premixed as well as partially…”
Get full text

A study on flame structure and extinction in downstream interaction between lean premixed CH sub(4-air and (50% H) sub(2) + 50% CO) syngas-air flames by Kim, Jeong Soo, Park, Jeong, Kwon, Oh Boong, Bae, Dae Seok, Yun, Jin Han, Keel, Sang In

“…Downstream interactions between lean premixed flames with mutually different fuels of (50% H sub(2 + 50% CO) and CH) sub(4) are numerically investigated…”
Get full text