THERMAL SCIENCE

International Scientific Journal

MODELING OF SEA SPRAY DROPLETS IN THE OCEAN

ABSTRACT
Droplets are known to play an important role in momentum, heat, and moisture transfer between the ocean and atmosphere. A lot of scholars and experts aim to investigate the effects of droplets on the climate and make precise forecast for hurricane conditions. So the profiles of droplets concentration at different heights above the sea surface are important. For a better study of the momentum and energy transport among the boundary layer, we also need to know the distribution of droplets with different radii. After wave break, with the coupled effects of inertia, gravity, wind updraught, and turbulent mixing, droplets can be transported to certain heights above the sea surface. In the present study, we develop a modified subgrid-scale flow field model coupled with the large eddy simulation to investigate the profiles of spay droplets concentration after wave break. The results in our simulation show that, the distribution of the droplets with the same radii in vertical direction is roughly Gaussian distribution, and the maximum appears at the height nearly above the significant wave height. For different radii, the concentration of droplets with larger radii can be higher than that of the smaller ones at some heights. Since the droplets in our model only include the spay droplets generated by wave break, the data will not be identical with the measurement in the open ocean and laboratory, which include all the kinds of droplets above the ocean.
KEYWORDS
PAPER SUBMITTED: 2014-04-13
PAPER REVISED: 2014-05-04
PAPER ACCEPTED: 2014-07-18
PUBLISHED ONLINE: 2015-01-04
DOI REFERENCE: https://doi.org/10.2298/TSCI1405577Z
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2014, VOLUME 18, ISSUE Issue 5, PAGES [1577 - 1582]
REFERENCES
  1. Ranjbar, A. A., et al., Numerical Heat Transfer Studies of a Latent Heat Storage System Containing Nano-Enhanced Phase Change Material, Thermal Science, 15 (2011), 1, pp. 169-181
  2. Andreas, E. L., A New Sea Spray Generation Function for Wind Speed Up to 32 m/s, Journal of Physical Oceanography, 28 (1998), 11, pp. 2175-2184
  3. Spiel, D. E., On the Births of Film Drops from Bubbles Bursting on Seawater Surfaces, Journal of Geophysical Research, 103 (1998), C11, pp. 24907-24918
  4. Zhao, D. L., Progress in Sea Spay and Its Effects on Air-Sea Interaction, Advance in Earth Science, 27 (2012), 6, pp. 624-632
  5. Fairall, C. W., et al., Investigation of the Physical Scaling of Sea Spray Spume Droplet Production, Journal of Geophysical Research, 114 (2009), C10001, doi: 10.1029/2008JC004918
  6. Andreas, E. L., et al., Production Velocity of Sea Spray Droplets, Journal of Geophysical Research, 115 (2010), C12065, doi: 10.1029/2010JC6458
  7. Andreas, E. L., et al., The Spray Contribution to Net Evaporation from the Sea-Air Review of Resent Progress, Boundary Layer Meteorol., 72 (1995), 1-2, pp. 3-52
  8. Makin, V. K., Air-Sea Exchange of Heat in the Presence of Wind Waves and Spray, Journal of Geophysical Research, 103 (1998), C1, pp. 1137-1152
  9. Wan, Z. H., et al., Method of Taylor Expansion Moment Incorporating Fractal Theories for Brownian Coagulation of Fine Particles, International Journal of Nonlinear Sciences and Numerical Simulation, 13 (2012), 7-8, pp. 459-467
  10. Leeuw, G. D. E., Vertical Profiles of Giant Particles Close above the Sea Surface, Tellus, 38 (1986), 1, pp. 51-61
  11. Andreas, E. L., Sea Spray and the Turbulent Air-Sea Heat Fluxes, Journal of Geophysical Research, 97 (1992), C7, pp. 11429-11441
  12. Koga, M., Direct Production of Droplets from Breaking Wind-Waves-Its Observation by a Multi- Colored Overlapping Exposure Photographing Technique, Tellus, 33 (1981), 6, pp. 552-563
  13. Monahan, E. C., et al., Observed Interrelations between 10 m Winds, Ocean Whitecaps and Marine Aerosols, Quarterly Journal of the Royal Meteorological Society, 109 (1983), 460, pp. 379-392
  14. Borisenkov, E. P., Some Mechanisms of Atmosphere-Ocean Interaction under Stormy Weather Conditions, Problems Arctic Antarct., 43 (1974), 44, pp. 73-83
  15. Sullivan, P. P., et al., Surface Gravity Wave Effects in the Oceanic Boundary Layer: Large-Eddy Simulation with Vortex Force and Stochastic Breakers, Journal of Fluid Mechanics, 593 (2007), 1, pp. 405- 452
  16. Liang, J. H., et al., Modeling Bubbles and Dissolved Gases in the Ocean, Journal of Geophysical Research, 116 (2011), C03015, doi: 10.1029/2010JC006579
  17. Liang, J. H. et al., Large Eddy Simulation of the Bubble Ocean: New Insights on Subsurface Bubble Distribution and Bubble-Mediated Gas Transfer, Journal of Geophysical Research, 117 (2012), C04002, doi: 10.1029/2011JC007766
  18. Fairall, C. W., et al., The Effect of Sea Spray on Surface Energy Transport over the Ocean, The Global Atmosphere and Ocean System, 2 (1994), 2-3, pp. 121-142
  19. Wilson, B. W., Numerical Prediction of Ocean Waves in the North Atlantic for December, 1959, Deutsche Hydrografische Zeitschrift, 18 (1965), 3, pp. 114-130
  20. Wan, Z. H., et al., Model of Fractal Aggregates Induced by Shear, Thermal Science, 17 (2013), 5, pp. 1403-1408

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