Abstract
The present work has attempted a unification of the empirical spray parameters for the pressure swirl atomizers with the maximum entropy formalism principle for the predictions of both size and velocity distributions in a spray. The information entropy is maximized under suitable constraint conditions to evaluate a number-based droplet size and velocity joint distribution parameter. The constraint equations have been defined to include the spray parameters, such as the Sauter mean diameter, spray cone angle and liquid film thickness, to consider their influence on the distribution. A comparison of the predicted results using the present theory is made with the experimental data available in the literature and good agreement is achieved. The effects of the atomizer input conditions, such as injection pressure, ambient pressure and the properties of atomizing liquids, on the size and velocity distributions are studied using the present model. A calculation of the efficiency of the atomization process using the size and velocity distribution functions is also made to study the effect of operating conditions on the performance of atomization.
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Schedule a callMore From: Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science
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