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Портал Begell Электронная Бибилиотека e-Книги Журналы Справочники и Сборники статей Коллекции
International Journal of Energy for a Clean Environment
SJR: 0.195 SNIP: 0.435 CiteScore™: 0.74

ISSN Печать: 2150-3621
ISSN Онлайн: 2150-363X

International Journal of Energy for a Clean Environment

Ранее издавался как Clean Air: International Journal on Energy for a Clean Environment

DOI: 10.1615/InterJEnerCleanEnv.v9.i1-3.120
pages 159-178

MODELING FLOW AND TEMPERATURE IN A COMBUSTOR WITH VOLUME-DISTRIBUTED OXIDATION

Anatoli Borissov
General Vortex Energy Inc., 1306 FM 1092 Siute 205, Missouri City, TX 77459
Vladimir N. Shtern
General Vortex Energy Inc., Missouri City, TX 77479, USA

Краткое описание

Analytical solutions of the viscous gas equations are applied to model velocity and temperature fields in a vortex combustor with volume-distributed oxidation. The solutions show that swirl generates high-speed meridional circulation, which occupies around 2/3 of the combustor volume and serves as a flame holder and a double mixer. It is found that particle trajectories have double-spiral geometry in both the circulation and flow-through regions. The particle residence time is larger by an order of magnitude than the mixing time. In addition to the internal circulation, the external recirculation of a share of the flue gas is analyzed. Consideration of the mass and energy balance reveals the optimal share value. A proof-of-concept experiment confirms the modeling predictions.


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