SC2-2: Numerical simulation of the inter-spray impingement(SC: Spray and Spray Combustion,General Session Papers)

概要

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This work is to simulate the droplet interactions and collision in spray-to-spray systems except for the jet-to-jet of liquid fuel and jet dispersion induced by mutual impingement. In the spray field, the realistic collision event results in various possible collision regimes, for instance bouncing, coalescence, reflexive separation, and stretching separation. Especially in the dense spray systems like inter-spray impingement systems, atomization characteristics is outcome of competition between these collision event and the droplet breakup. Therefore, in order to simulate the dense spray systems with accuracy, it is necessary to consider as many collision outcomes as possible. Hence, the aim of the current study is to evaluate the predictive model for binary droplet collisions. To get the goal of the study, the atomization characteristics of the inter-spray systems was simulated by using the KIVA code which adopts a collision model that considers the possible collision outcomes.
一般社団法人日本機械学会の論文
2008-07-28