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Features of diffusion combustion of hydrogen in the round and plane high-speed microjets (part II). / Kozlov, V. V.; Grek, G. R.; Korobeinichev, O. P. и др.
в: International Journal of Hydrogen Energy, Том 41, № 44, 26.11.2016, стр. 20240-20249.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - Features of diffusion combustion of hydrogen in the round and plane high-speed microjets (part II)
AU - Kozlov, V. V.
AU - Grek, G. R.
AU - Korobeinichev, O. P.
AU - Litvinenko, Yu A.
AU - Shmakov, A. G.
PY - 2016/11/26
Y1 - 2016/11/26
N2 - In the second part of the present study, experimental results on the round and plane hydrogen microjets diffusion combustion at various nozzle diameter depending on microjet velocity are shown. Of special interest is the contribution to the combustion process of the so-called «bottleneck flame» region which is observed at diffusion combustion of hydrogen both in the round and plane microjets. The «bottleneck flame» appears as a spherical closed volume of laminar combustion at mixing of the hydrogen microjet with ambient air. This spherical volume is surrounded by a narrow layer of density gradient overcoming which the laminar microjet and its flame become turbulent. A diminution of the «bottleneck flame» with growth of the microjet velocity is revealed.
AB - In the second part of the present study, experimental results on the round and plane hydrogen microjets diffusion combustion at various nozzle diameter depending on microjet velocity are shown. Of special interest is the contribution to the combustion process of the so-called «bottleneck flame» region which is observed at diffusion combustion of hydrogen both in the round and plane microjets. The «bottleneck flame» appears as a spherical closed volume of laminar combustion at mixing of the hydrogen microjet with ambient air. This spherical volume is surrounded by a narrow layer of density gradient overcoming which the laminar microjet and its flame become turbulent. A diminution of the «bottleneck flame» with growth of the microjet velocity is revealed.
KW - Bottleneck flame region
KW - Round and plane hydrogen microjet combustion
UR - http://www.scopus.com/inward/record.url?scp=84995596028&partnerID=8YFLogxK
U2 - 10.1016/j.ijhydene.2016.09.039
DO - 10.1016/j.ijhydene.2016.09.039
M3 - Article
AN - SCOPUS:84995596028
VL - 41
SP - 20240
EP - 20249
JO - International Journal of Hydrogen Energy
JF - International Journal of Hydrogen Energy
SN - 0360-3199
IS - 44
ER -
ID: 25836973