Download or read book Turbulent Air Flow Over Wind Excited Laboratory Water Waves written by Scott Dudley Veenhuizen and published by . This book was released on 1973 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book An Experimental Investigation of the Structure of a Turbulent Wind Over Water Waves written by Susumu Karaki and published by . This book was released on 1968 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: This investigation presents experimental results from a study of the structure of a turbulent boundary layer developed by air flow over water waves in a lab wind-wave channel. It was demonstrated that the sheared flow region is two-layered, similar to rough wall boundary layers. The inner layer, adjacent to the wall, is describable by the 'law of the wall' and the outer flow by the 'defect law.' The data were taken in two-dimensional flow with small favorable pressure gradients. The first part of the two-part investigation involved air flow over an initially still water surface on which waves developed in response to wind excitation. In the second part, air was passed over water waves of a single frequency and varied amplitude. The results indicated that within the range of this study the water surface can be classed as aerodynamically rough at wind speeds greater than 12 fps and the flow structure of the boundary layer corresponds to that over a rough wall. The velocity decrement due to surface roughness is shown to be a function of the local root-mean-square wave height. The effect of wave-induced fluctuations in the air is limited to a very close neighborhood of the wavy surface. For the specific combination of wind and wave speeds of this study it was found that while the amplitudes of the horizontal components of the fluctuation decreased with increasing elevation, the vertical component increased. (Author).

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1992 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Initial Water Circulation and Waves Induced by an Airflow written by W. L. McLeish and published by . This book was released on 1975 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book A Study to Conduct Experiments Concerning Turbulent Dispersion of Oil Slicks written by Jung-Tai Lin and published by . This book was released on 1978 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Turbulent Air Flow Over Small Water Waves written by George Dale Hess and published by . This book was released on 1968 with total page 117 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book A Study of the Turbulent Layer in the Water at an Air water Interface written by Tak Kee Cheung and published by . This book was released on 1985 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: Because global weather and ocean circulations are driven by energy transfers across the atmosphere-ocean interface, studies of it remain at the forefront of research in atmospheric sciences and oceanography. This experimental program was undertaken with the goal of learning how the energy, which is transferred from the wind, is distributed among the mean, wave, and turbulent flow fields in the water. Model test results show that the waves affect the mean flow, but the mean velocity profiles show logarithmic behavior. The wave field generally agrees with the prediction of a linear water-wave theory. In the wind-wave experiments, the turbulent quantities behave similar to those in flows over flat plates. In the mechanical-wave experiments, the turbulent quantities have different trends from those of the wind-wave cases, which suggests possible weak wave-related turbulence. The mean wave-induced shear stress is negative, which implies that the waves augment the mean flow. Thus, the waves can also transfer energy indirectly to turbulence via the mean flow. The turbulent field draws it energy from the mean flow through the mean turbulent shear stress and from the wave field via the wave-induced turbulent stresses. Keywords include: Ocean surface; and Laser doppler anemometer.

Download or read book Turbulent Fluxes Through the Sea Surface Wave Dynamics and Prediction written by A. Favre and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 666 pages. Available in PDF, EPUB and Kindle. Book excerpt: A primary aim of the NATO Science Committee since its estab lishment in 1958 has been to· further international scientific co operation among scientists from the member countries of the Alliance. Almost all fields of basic science have received sub stantial support for the purposes of enhancing exchange of inform ation, providing opportunities for advanced instruction and collaborative research. Up to 1977, more than 10,000 fellowships have been awarded to allow scientists to complete their scientific education in another country and more than 1,500 joint research projects involving scientists in at least two different countries per project have been financed by the Committee. In addition, more than 800 advanced study institutes have been held under NATO auspices which have allowed more than sixty thousand scientists to get together to hear leading scientists lecture on advanced research topics on the frontier of research of many disciplines and to discuss the most recent results of their research activi ties. The Science Committee also identifies specific areas as deserving special encouragement or preferential support for limited periods. A variety of mechanisms - research grants, study visits, conferences, etc. - is utilized to stimulate greater international activity. This effort is embodied in several individual programmes, each guided by a special programme panel of internationally eminent experts. Air-sea interaction is one of these programmes.

Download or read book Turbulent Heat and Momentum Transfer at an Air water Interface written by Dave A. McIntosh and published by . This book was released on 1975 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book An Experimental Study of the Growth of Mechanically Generated Surface Water Waves when Subjected to a Fully Developed Turbulent Channel Airflow written by W. Stanley Wilson and published by . This book was released on 1972 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: An experimental study was conducted to measure the growth rates of mechanically generated surface water waves when subjected to fully developed turbulent channel airflow. The study was designed to test the accuracy of the growth rates predicted by the Miles; 1962 Theory. (Author).

Download or read book Wind Energy Utilization written by University of New Mexico. Technology Application Center and published by . This book was released on 1975 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Wind Excitation of Surface Waves in the Coupled Air water Turbulent Shear Flow written by Yu. I. Troickaja and published by . This book was released on 1997 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Interaction of Ocean Waves and Wind written by Peter Janssen and published by Cambridge University Press. This book was released on 2004-10-28 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book was published in 2004. The Interaction of Ocean Waves and Wind describes in detail the two-way interaction between wind and ocean waves and shows how ocean waves affect weather forecasting on timescales of 5 to 90 days. Winds generate ocean waves, but at the same time airflow is modified due to the loss of energy and momentum to the waves; thus, momentum loss from the atmosphere to the ocean depends on the state of the waves. This volume discusses ocean wave evolution according to the energy balance equation. An extensive overview of nonlinear transfer is given, and as a by-product the role of four-wave interactions in the generation of extreme events, such as freak waves, is discussed. Effects on ocean circulation are described. Coupled ocean-wave, atmosphere modelling gives improved weather and wave forecasts. This volume will interest ocean wave modellers, physicists and applied mathematicians, and engineers interested in shipping and coastal protection.

Download or read book Current Hydraulic Laboratory Research in the United States written by and published by . This book was released on 1968 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Marine Research written by and published by . This book was released on 1973 with total page 1200 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Winds Over Water written by and published by . This book was released on 1984 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Hydrodynamics in the Ocean Environment written by Milton Spinoza Plesset and published by . This book was released on 1972 with total page 1216 pages. Available in PDF, EPUB and Kindle. Book excerpt: