Publicou 12 edições por ano
ISSN Imprimir: 1044-5110
ISSN On-line: 1936-2684
Indexed in
THEORY OF DROPLETS (II): STATES, STRUCTURES, AND LAWS OF INTERACTING DROPLETS
RESUMO
A theory of interacting droplets featuring laminar, hydrodynamically modulated, collisionless drop-drop interactions is developed through the extension of canonical and re normalization techniques to aid in the examination of structures, states, and laws of interphase phenomena in nonreactive environments. Parametric sensitivities of interphase processes and droplet behavior are investigated in wide ranges of Reynolds numbers, transfer numbers, and two renormalization numbers for gasification and aerodynamic drag, respectively. The laws of vaporization and aerodynamic drag of an interacting droplet in a nondilute droplet system agree with the results of Godsave, Spalding, and Stokes, in appropriate limiting cases of isolated droplets in a dilute system. Interacting droplets in nonreactive environments assume one of three allowed states: the normal state, featuring a finite gasification rate and aerodynamic drag; the "aerodynamically masked state," featuring vanishing aerodynamic drag and a finite gasification rate; and the frozen state, with vanishingly small drag and gasification rate. The structure of an interacting droplet environment exhibits a nonuniform concentration with temperature stratification, induced by the gasification of cellular-shaped ring clusters in the environment of each droplet. Laws and correlation functions for vaporization and aerodynamic drag are established to aid in the spray calculation in selected ranges of the principal parameters.
-
Chiu H.H., Advances and challenges in droplet and spray combustion. I. Toward a unified theory of droplet aerothermochemistry, Progress in Energy and Combustion Science, 26, 4-6, 2000. Crossref
-
Sornek Rafal J., Dobashi Ritsu, Hirano Toshisuke, Effect of Turbulent Fuel-Air Mixing on Spray Flame Characteristics, SAE Technical Paper Series, 1, 1998. Crossref
-
Subramaniam Shankar, Lagrangian–Eulerian methods for multiphase flows, Progress in Energy and Combustion Science, 39, 2-3, 2013. Crossref
-
Chiu H.H., Mesoscale structures of turbulent sprays, Proceedings of the Combustion Institute, 28, 1, 2000. Crossref
-
Sornek Rafal J., Dobashi Ritsu, Hirano Toshisuke, Effects of turbulence on dispersion and vaporization of droplets in spray combustion, Proceedings of the Combustion Institute, 28, 1, 2000. Crossref
-
Mitsuya Masaki, Hanai Hironao, Sakurai Satoru, Ogami Yasuhiro, Kobayashi Hideaki, Droplet combustion experiments in varying forced convection using microgravity environment, International Journal of Heat and Fluid Flow, 26, 6, 2005. Crossref
-
Sornek Rafal J., Dobashi Ritsu, Hirano Toshisuke, Effect of turbulence on vaporization, mixing, and combustion of liquid-fuel sprays, Combustion and Flame, 120, 4, 2000. Crossref
-
Zhao Yunhua, Kim Ho Young, Yoon Sam S., Transient group combustion of the pulverized coal particles in spherical cloud, Fuel, 86, 7-8, 2007. Crossref
-
Jenny Patrick, Roekaerts Dirk, Beishuizen Nijso, Modeling of turbulent dilute spray combustion, Progress in Energy and Combustion Science, 38, 6, 2012. Crossref
-
Lee Dongjo, Kim Ho Young, Yoon Sam S., Cho Chong Pyo, Group combustion of staggeringly arranged heptane droplets at various Reynolds numbers, oxygen mole-fractions, and separation distances, Fuel, 89, 7, 2010. Crossref
-
Lin Jih Lung, Two-phase flow effect on hybrid rocket combustion, Acta Astronautica, 65, 7-8, 2009. Crossref
-
Modeling Liquid-Propellant Spray Combustion Processes, in Liquid Rocket Thrust Chambers, 2004. Crossref
-
Subramaniam Shankar, Balachandar S., Towards Combined Deterministic and Statistical Approaches to Modeling Dispersed Multiphase Flows, in Droplets and Sprays, 2018. Crossref
-
SORNEK RAFAL J., DOBASHI RITSU, Effect of Turbulence on Spatial Distribution and Group Behavior of Droplet in a Spray Flame, Combustion Science and Technology, 161, 1, 2000. Crossref
-
Popp Michael, Hulka James, Yang Vigor, Habiballah Mohammed, Liquid Rocket Thrust Chambers, 2004. Crossref