搜索结果: 1-15 共查到“理学 wind-wave”相关记录22条 . 查询时间(0.156 秒)
Sporadic wind wave horse-shoe patterns
Sporadic wind wave horse-shoe patterns
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2009/11/13
The work considers three-dimensional crescent-shaped patterns often seen on water surface in natural basins and observed in wave tank experiments. The most common of these 'horse-shoe-like' patterns a...
Numerical wind wave model with a dynamic boundary layer
wind wave model dynamic boundary layer
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2009/11/12
A modern version of a numerical wind wave model of the fourth generation is constructed for a case of deep water. The following specific terms of the model source function are used: (a) a new analytic...
The Dissipation Subrange in Wind Wave Spectra
Wave forecasting physics of nonlinear interaction data analysis wave spectra
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2009/6/10
In this paper an attempt is made to summarize the results of recent field experiments (Leikin and Rozenberg, 1984, Tang and Shemdin, 1983, Birch and Ewing, 1986, Hansen et al., 1990, Banner et al., 19...
Some Nonlinear Aspects of Wind-Wave Interactions
Nonlinear Wind-Wave Interactions
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2009/4/3
Nonlinear momentum transfer from wind to wave has been studied on the basis of a perturbation expansion procedure. Two nonlinear effects are presented, namely the generation of higher harmonies of the...
Wind-Wave-Induced Disturbances in the Marine Surface Layer
Wind-Wave-Induced Marine Surface Layer
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2009/2/16
Measurements of velocity and scalar fluctuations were made using a stable platform in Bass Strait at a height of 5 m above the mean surface of the ocean. These measurements were obtained over a period...
Temporal Rates of Growth and Decay of Microscopic and Macroscopic Surface Structures in a Wind-Wave Tank
Temporal Rates Macroscopic Surface Structures Wind-Wave Tank
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2009/2/13
The distributions of water-surface slopes and wave heights were measured under suddenly started and stopped winds. The root-mean-square slopes and average wave heights are found to grow and decay expo...
The Estimation of Wind-Wave Generation in a Discrete Spectral Model
Wind-Wave Generation Discrete Spectral Model
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2009/2/9
The estimation of wind-wave generation using a new discrete spectral model is compared to Hasselmann et al.'s (1976) parametric model and to models driven primarily by direct transfer of energy from t...
On the Effects of Finite Depth on Wind-Wave Spectra：1. A Comparison with Deep-Water Equilibrium-Range Slope and Other Spectral Parameters
Wind-Wave Spectra Deep-Water
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2009/2/7
Spectral parameters calculated from wind-wave measurements in a finite-depth restricted-fetch estuary are compared with similar deep-water parameters. The equilibrium range of these finite-depth spect...
Sea-Tower Measurements of Wind-Wave Spectra in the Caspian Sea
Sea-Tower Measurements Caspian Sea Wind-Wave Spectra
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2009/1/19
High frequency spectra of wind generated waves corresponding to mean wind speeds from 3.5 to 13.5 m s−1 were measured at the research tower in the Caspian Sea. The techniques used made it possib...
A Finite-Depth Wind-Wave Model. Part I：Model Description
bottom friction A Finite-Depth Wind-Wave Model wave growth
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2009/1/6
A parametric windsea model for arbitrary water depths is presented. The model is derived from a conservation of energy flux formulation and includes shoaling, refraction, dissipation by bottom frictio...
The Response of Wind-Wave Spectra to Changing Winds. Part I：Increasing Winds
Wind-Wave Spectra Changing Winds Increasing Winds
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2009/1/6
Continuous time series of wind profiles and wind waves under growing conditions, recorded at Shirahama Oceanographic Tower Station and discussed by Kawai, Okada and Toba, have been reanalysed for this...
The Dissipation Range of Wind-Wave Spectra Observed on a Lake
Wind-Wave Spectra deep water Dissipation Range
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2008/12/27
Based on an interpretation of a field experiment it is argued that, due to breaking of wind waves in deep water, the dissipation of energy is restricted to a range of frequencies ω > ωg, much higher t...
The Influence of Unsteady Depths and Currents of Tides on Wind-Wave Propagation in Shelf Seas
Unsteady Depths Wind-Wave Propagation Shelf Seas Currents of Tides
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2008/12/27
The influence of unsteady depths and currents on wind wave propagation on the scale of shelf seas such as the North Sea is investigated. The attention is focused on depth and current variations due to...
Wind-Wave Nonlinearity Observed at the Sea Floor. Part I：Forced-Wave Energy
Wind-Wave Nonlinearity Sea Floor Forced-Wave Energy
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2008/12/24
This is Part 1 of a study of nonlinear effects on natural wind waves. Array measurements of pressure at the sea floor and middepth, collected 30 km offshore in 13-m depth, are compared to an existing ...
Quasi-linear Theory of Wind-Wave Generation Applied to Wave Forecasting
Quasi-linear Theory Wind-Wave Generation Wave Forecasting
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2008/12/24
The effect of wind-generated gravity waves on the airflow is discussed using quasi-linear theory of wind-wave generation. In this theory, both the effects of the waves and the effect of air turbulence...