study to conduct experiments concerning turbulent dispersion of oil slicks

study to conduct experiments concerning turbulent dispersion of oil slicks by Jung-Tai Lin Download PDF EPUB FB2

Study to conduct experiments concerning turbulent dispersion of oil slicks book to conduct experiments concerning turbulent dispersion of oil slicks. Washington: Dept. of Transportation, Coast Guard, Office of Research and Development ; Springfield, Va.: For sale by the National Technical Information Service, United States Coast Guard Office of Research and Development.

A study to conduct experiments concerning turbulent dispersion of oil slicks by Jung-Tai Lin J., Tankers Tankers--Loading and unloading Underwater exploration United States United StatesCoast Guard United StatesCoast GuardOffice of Research and Development Water.

Abstract. The velocity field below surface gravity waves has been investigated by conducting a series of laboratory experiments. The experiment series consisted of cases in which waves were study to conduct experiments concerning turbulent dispersion of oil slicks book by a paddle drive with an identical wind wave frequency distribution but increasing amplitude, and cases with the maximum amplitude paddle drive and increasing wind by: 5.

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papers into a well-indexed, cohesive book on lakes and their chemistry, geology, and physics. Stumm and Baccini summarized eutrophica tion chemical concepts (pp. ), while Imboden and Lerman (pp. ) sum marized recent models of lake chemistry. Although these requirements for better models and better data are resulting in better.

Laboratory study results on the damping of gravity-capillary waves (GCWs) on water covered with oil slicks are presented. The nonmonotonic behavior (the presence of a local maximum) of the dependence of the damp coefficient on the slick thickness has been ascertained.

The dispersion relation for GCWs in the presence of a viscoelastic slick of arbitrary thickness Cited by: 8. J.T. Lin, M. Gad-el-Hak, H.T. LiuA study to conduct experiments concerning turbulent dispersion of oil slicks, CG-D U.S.

Coast Guard, Washington, Study to conduct experiments concerning turbulent dispersion of oil slicks book () Google ScholarAuthor: R.L. Beach. Oil spill clean-up is a difficult problem for several reasons: a) Oil spills occur at random, and the portion of the earth susceptible to oil spills is large: Approx- imately 70% of the earth d with water and 60% of world oil production is transported across the oceans; b) A majority of the world's coastlines are scattered and.

Table 1 lists the properties of the silicone oil added to the granular materials in this study. Specific amounts of silicone oil and glass beads were placed into a sealed jar which was then shaken sufficiently to mix the silicon oil with the beads before the experiments.

The wet glass beads were then poured carefully into the by: In this article, we report a numerical and experimental study of turbulent dispersion of a passive scalar released from a continuous ground-level point source in a staggered array of 16 × Turbulent scalar mixing in the near field of a tee mixer (transverse jet in a pipe) is studied using Particle Image Velocimetry (PIV) and Planar Laser Induced Fluorescence (PLIF).

Two jet-to-pipe velocity ratios, r = and r =are investigated for a turbulent pipe flow at a Reynolds number of 20, The laser measurement techniques. The study of the turbulent flow is very important as this one is found in a lot of daily activities such as water flow in a river, smoke from a chimney, or vortices around a.

interphase slip or turbulent dispersion yielded poor agreement with the measurements [7,8]. In contrast, a stochastic separated flow model of the process, which treated effects of interphase slip and turbulent dispersion performed reasonably well over the new data base, encouraging its extension to liquid sprays.

The Deepwater Horizon (DWH) oil blowout in the Gulf of Mexico (GoM) led to the largest offshore oil spill in U.S. history. Study to conduct experiments concerning turbulent dispersion of oil slicks book accident resulted in oil slicks that covered betw and.

A turbulent vortex ring having a relatively thin core is formed in water by a momentary jet discharge from an orifice in a submerged plate.

The necessary impulse is provided by a pressurized reservoir and is controlled by a fast programmable solenoid by: AN EXPERIMENTAL STUDY OF THE STABILITY OF [10] numerical study indicated that the turbulent non-premixed flame structure is an ensemble of instantaneous local premixed, non-premixed and partially premixed flames.

A recent DNS simulation of turbulent hydrogen lifted flames in- Experiments concerning environmental air as oxidant. The particle slip velocity is adopted as an indicator of the behavior of heavy particles in turbulent channel flow.

The statistical moments of the slip velocity are evaluated considering particles with Stokes number, defined as the ratio between the particle response time and the viscous time scale of the flow, in the range 1 Cited by: EXPERIMENTAL AND MODELLING INVESTIGATIONS OF DROPLET DISPERSION IN A TURBULENT JET Justin J.

Nijdam, Tim A.G. Langrish, David F. Fletcher Department of Chemical Engineering, University of Sydney, Sydney, AUSTRALIA ABSTRACT The turbulent dispersion of non-evaporating droplets in an axisymmetric round jet issuing from a nozzle isCited by: 1.

Turbulent drag reduction in plane Couette flow with polymer additives: a direct numerical simulation study - Volume - Hao Teng, Nansheng Liu, Xiyun Lu, Bamin Khomami Skip to main content We use cookies to distinguish you from other users and to provide you with a better experience on our by: 3.

Quantitative Analysis of a Turbulent Wind Tunnel with Obstructions for Use in Liquid Flame Spread Experiments [Brantley, Beau M.] on *FREE* shipping on qualifying offers.

Quantitative Analysis of a Turbulent Wind Tunnel with Obstructions for Use in Liquid Flame Spread ExperimentsCited by: 1. Statistical Physics of Oil Slicks Benjamin Franklin () believed that a volume of oil poured onto water will spread until it forms a layer that is just one molecule thick.

Franklin may have used olive oil for his experiments. To a fair approximation, olive oil consistsFile Size: 28KB. The trajectories of aerosols are computed in a high‐resolution direct numerical simulation of turbulent flow in a vertical channel.

The aerosol equation of motion includes only a Stokes drag force and the influence of the aerosols on the gas flow is assumed to be negligible. Since the flow is vertical, aerosols deposit as a consequence of the turbulent fluctuations and their own by: scientists around the world to study wax deposition and to develop wax prediction models for the oil industry.

Physical Considerations The uid mixture produced from a reservoir is called crude and consists of several hydrocarbon components which can be divided into two main groups; light and heavy hydrocarbons. The. of the turbulent boundary layer on a large, thermally insulated flat plate.

These measurements are an extension of the experiments of Hastings and Sawyer 2, and were made as part of a joint research programme between R.A.E. (Mabey and Sawyer) and DFVLR-AVA G6ttingen (Meier).File Size: 7MB.

Written by some of the world’s most renowned petroleum and environmental engineers, Petrophysics: The Fundamentals of Oil and Gas Revervoirs is the first book to offer the practicing engineer and engineering student these new cutting-edge techniques for prediction and forecasting in petroleum engineering and environmental : $ The turbulent dispersion of non-evaporating droplets in an axisymmetric round jet issuing from a nozzle is investigated both experimentally and theoretically.

The experimental data set has a well-defined inlet boundary with low turbulence intensity at the nozzle exit, so that droplet dispersion is not affected by the transport of nozzle Cited by: 1.

mixing boxes to study turbulent flows devoid of particles the reader is referred to Fernando [6]. In almost all previous experiments the grid of bars has been positioned in the interior of the fluid in order to study the effects of turbulent motions generated by processes far from a solid boundary.

Oil Spill Model for Oil Pollution Control FIG Working Week Bridging the Gap between Cultures Marrakech, Morocco, May /29 the physical and meteorological characteristics of the surrounding water bodies has led to the failure of the deployment of these models.

In this work a new model has been developed. Dispersants are mixtures of solvents, surfactants, and other additives that are applied to oil slicks to reduce the oil-water interfacial tension (NRC, ; Clayton et al., ).Interfacial tension is the free energy change that is associated with a change in the contact area at the interface between two immiscible phases (e.g., solid-liquid, liquid-liquid, liquid-gas).

Written by some of the world's most renowned petroleum and environmental engineers, Fundamentals of the Petrophysics of Oil and Gas Reservoirs is the first book to offer the practicing engineer and engineering student these new cutting-edge techniques for prediction and forecasting in petroleum engineering and environmental management.

In this book, the Author: Herman H. Rieke. The effects of turbulence/shear and thermal driving force on wax-deposition characteristics were experimentally studied using a waxy crude oil from the Gulf of Mexico.

The test matrix consisted of a total of 15 experiments, which included 12 short-term tests and three long-term tests.

This study focuses on the oil flow, supplied from the oil hole in plain bearings; the oil flow in bearings that were statically loaded was measured precisely using a test rig. In the case that oil was supplied through an oil hole, experimental results showed that the bearing oil flow depended largelCited by: 3.

Laboratory experiments were performed to measure differential diffusion of temperature and salinity across a sheared density interface. The eddy diffusivity of temperature KT exceeded the eddy diffusivity of salinity KS by as much as orders of magnitude at low ε/νN2, where ε is the rate of dissipation of turbulent kinetic energy, ν is the kinematic viscosity, and N is the Cited by: 5.

Laboratory experiments were performed to measure differential diffusion of temperature and salinity across a sheared density interface. The eddy diffusivity of temperature K T exceeded the eddy diffusivity of salinity K S by as much as orders of magnitude at low «/nN2, where «is the rate of dissipation of turbulentCited by: 5.

Ill PHYSICAL MOVEMENT OF OIL SLICKS In the absence of current or debris, an oil slick will move in the direc- tion of the wind at a rate about percent of the wind velocity.

In the absence of wind or debris, an oil slick will move in the same direction with the same speed as. Modelling and Simulation of Crude Oil Dispersion. Abdulfatai Jimoh and Mohammed Alhassan. Department of Chemical Engineering, Federal University of Technology, Minna, Nigeria, [email protected] Abstract.

This research work was carried out to develop a model equation for the dispersion of crude oil in water. For mass transfer applications, CFD codes need the turbulent Schmidt number. The aim of our study is the analysis of some theoretical closure results and analytical formulations for.

We will investigate different formulations of from the basic conservation equations for sediment-water mixtures in turbulent open-channel flows based on a two-fluid description and a kinetic by: 5. 4 Allow the oil to achieve the same temperature as the water bath.

5 Transfer the heated oil from the beaker into the plastic cup. 6 Record the time taken for the oil to flow through the plastic cup. 7 Allow the oil to cool by a few degrees. 8 Repeat steps at different temperatures of the oil. The paper “Measurement and modeling of oil slick transport” by Cathleen E.

Jones, Knut-Frode Dagestad, Ø yvind Breivik, Benjamin Holt, Johannes Rö hrs, Kai Hå kon Christensen, Martine Espeseth, Camilla Brekke, and Stine Skrunes, made the front page of Journal of Geophysical Research Oceans, in its latest issue in October Abstract:.

Glezer and D. Coles regarding entrainment and turbulent production. The apparatus and inst,rum- ent8ation developed for this purpose during the research are described briefly in $92 and 3.A more detailed account of the apparatus can be found in the thesis by Glezer (), and some optical mechanical specifications for the laser-Doppler.

Length and time scales of turbulent ows12 Turbulent pipe ow13 Governing equations pdf wall shear stress13 Viscous scales and mean velocity pro le16 Chapter 3.

Experimental Setup 21 Experimental apparatus21 Rotating pipe ow facility21 Traversing system23 a. Description and vibrational analysis of.problems, but have been limited to either laminar or modestly turbulent conditions. With the ultimate goal of developing a burner for laboratory flames reaching turbulence regimes of relevance to practical systems, we characterized highly turbulent, strained, isothermal, opposed-jet flows using particle image velocimetry PIV.The classical ebook on turbulent friction in rough pipes were performed by J.

Nikuradse in the ’s. Seventy years later, they continue to defy theory. Here we model Nikuradse’s experiments using the phenomenological theory of Kolmog´orov, a theory that is widely thought to be applicable only to highly idealized flows.