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  • droplets  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Ocean Tpray and the Thermodynamics of Tropical Cyclones (1999)
    Springer
    Journal of engineering mathematics 35 (1999), S. 11-42 
    Details
    ISSN: 1573-2703
    Keywords: hurricanes ; typhoons ; spray ; droplets ; evaporation.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Technology
    Notes: Abstract Serious gaps in knowledge about ocean spray at wind speeds over 40m/s remain difficult to fill by observation or experiment; yet refined study of the thermodynamics of Tropical Cyclones (including typhoons and hurricanes) requires assessment of the hypothesis that 'spray cooling' at extreme wind speeds may act to reduce (i) the initial temperature of saturated air rising in the eyewall and so also (ii) the input of mechanical energy into the airflow as a whole. Such progressive reductions at higher speeds could, for example, make any possible influence of future global warming on Tropical Cyclone intensification largely self-limiting. In order to help in extrapolation of knowledge on ocean spray to extreme wind speeds, a probabilistic analysis is introduced which allows for the effects of gusts, gravity and evaporation on droplet distributions, yet in other respects is as simple as possible. Preliminary indications from this simplified analysis appear to confirm the potential importance of spray cooling.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1004383430896
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Ocean Spray Modelling for Tropical Cyclone Wind Speeds (1997)
    Springer
    Flow, turbulence and combustion 58 (1997), S. 191-206 
    Details
    ISSN: 1573-1987
    Keywords: bubbles ; drops ; spray ; ocean spray ; evaporation ; Tropical Cyclones
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Because of the potentially important influence of ‘spray cooling’ on the thermodynamics of Tropical Cyclones, there is a need for estimates of ocean spray distribution at extreme wind speeds, at least twice those for which detailed spray observations have been made. To assist in such extrapolation, a simplified probabilistic model is developed, with the three main effects (gusts, gravity, evaporation) that influence how spray droplets are distributed taken into account, but with as much simplicity as possible in other respects.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1000775401646
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    Paper (German National Licenses)
    Fulltext
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