Prediction of Droplet Size and Velocity Distribution in Droplet Formation Region of Liquid Spray
Determining the distributions of size and velocity of droplets formed at the end of primary breakup region is followed in this paper. The droplet formation stage at the end of primary breakup is random and stochastic and it can be modeled by statistical means based on the maximum entropy principle (...
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MDPI AG
2010-06-01
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Online Access: | http://www.mdpi.com/1099-4300/12/6/1484/ |
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author | Ehsan Movahednejad Fathollah Ommi S. Mostafa Hosseinalipour |
author_facet | Ehsan Movahednejad Fathollah Ommi S. Mostafa Hosseinalipour |
author_sort | Ehsan Movahednejad |
collection | DOAJ |
description | Determining the distributions of size and velocity of droplets formed at the end of primary breakup region is followed in this paper. The droplet formation stage at the end of primary breakup is random and stochastic and it can be modeled by statistical means based on the maximum entropy principle (MEP). The MEP formulation predicts the atomization process while satisfying constraint equations based on conservations of mass, momentum and energy. This model is capable of considering drag force on produced droplets through gas-liquid interaction using new approach. The model prediction is compared favorably with the experimentally measured size and velocity distributions of droplets for sprays produced by the two nozzles of considerably different geometries and shows satisfactory agreement. |
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institution | Directory Open Access Journal |
issn | 1099-4300 |
language | English |
last_indexed | 2024-12-10T08:10:39Z |
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spelling | doaj.art-ed6bf0c3c99842c29bdfa15b8729e2772022-12-22T01:56:35ZengMDPI AGEntropy1099-43002010-06-011261484149810.3390/e12061484Prediction of Droplet Size and Velocity Distribution in Droplet Formation Region of Liquid SprayEhsan MovahednejadFathollah OmmiS. Mostafa HosseinalipourDetermining the distributions of size and velocity of droplets formed at the end of primary breakup region is followed in this paper. The droplet formation stage at the end of primary breakup is random and stochastic and it can be modeled by statistical means based on the maximum entropy principle (MEP). The MEP formulation predicts the atomization process while satisfying constraint equations based on conservations of mass, momentum and energy. This model is capable of considering drag force on produced droplets through gas-liquid interaction using new approach. The model prediction is compared favorably with the experimentally measured size and velocity distributions of droplets for sprays produced by the two nozzles of considerably different geometries and shows satisfactory agreement.http://www.mdpi.com/1099-4300/12/6/1484/maximum entropyspraydropletsize-velocity distributionprobability |
spellingShingle | Ehsan Movahednejad Fathollah Ommi S. Mostafa Hosseinalipour Prediction of Droplet Size and Velocity Distribution in Droplet Formation Region of Liquid Spray Entropy maximum entropy spray droplet size-velocity distribution probability |
title | Prediction of Droplet Size and Velocity Distribution in Droplet Formation Region of Liquid Spray |
title_full | Prediction of Droplet Size and Velocity Distribution in Droplet Formation Region of Liquid Spray |
title_fullStr | Prediction of Droplet Size and Velocity Distribution in Droplet Formation Region of Liquid Spray |
title_full_unstemmed | Prediction of Droplet Size and Velocity Distribution in Droplet Formation Region of Liquid Spray |
title_short | Prediction of Droplet Size and Velocity Distribution in Droplet Formation Region of Liquid Spray |
title_sort | prediction of droplet size and velocity distribution in droplet formation region of liquid spray |
topic | maximum entropy spray droplet size-velocity distribution probability |
url | http://www.mdpi.com/1099-4300/12/6/1484/ |
work_keys_str_mv | AT ehsanmovahednejad predictionofdropletsizeandvelocitydistributionindropletformationregionofliquidspray AT fathollahommi predictionofdropletsizeandvelocitydistributionindropletformationregionofliquidspray AT smostafahosseinalipour predictionofdropletsizeandvelocitydistributionindropletformationregionofliquidspray |