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  • Engineering  (10)
  • Biochemistry and Biotechnology
  • Coastal and Oceanographic Engineering Department, University of Florida  (6)
  • Islamic Azad University, Science and Research Branch, Tehran, Marine Physics  (4)
  • 2020-2022  (10)
  • 1
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    A numerical model for prediction of oil, trajectory due to extraction activity in the north coasts of the Persian Gulf (2021)
    Islamic Azad University, Science and Research Branch, Tehran, Marine Physics
    In:  http://aquaticcommons.org/id/eprint/20887 | 17408 | 2016-07-18 01:33:53 | 20887 | Islamic Azad University, Science and Research Branch, Tehran
    Details
    Publication Date: 2021-07-13
    Description: This thesis considers a three- dimensional numerical model based on 3-D Navier— Stokes and continuity equations involving various wind speeds (North west), water surface levels, horizontal shier stresses, eddy viscosity, densities of oil and gas condensate- water mixture flows. The model is used to simulate the prediction of the surface movement of oil and gas condensate slicks from spill accident in the north coasts of Persian Gulf.
    Description: PhD
    Description: Advisor:M., Torabi Azad; Counsellors: A.A., Bidokhti
    Keywords: Engineering ; Oceanography
    Repository Name: AquaDocs
    Type: thesis
    Format: application/pdf
    Format: application/pdf
    Format: 362
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  • 2
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    Analyzing the effect of connecting horizontal tidal stream turbines on the pier of a sea established bridge (2021)
    Islamic Azad University, Science and Research Branch, Tehran, Marine Physics
    In:  http://aquaticcommons.org/id/eprint/21052 | 17408 | 2016-10-10 09:43:45 | 21052 | Islamic Azad University, Science and Research Branch, Tehran
    Details
    Publication Date: 2021-07-13
    Description: In this thesis, producing ability of electricity by horizontal tidal current turbines and installing possibility of these turbines on bridge's piers in the marine environments has been studied to reduce primary implementation costs and make the plan, economical. To do this and to study its feasibility, the exerted forces from installing horizontal tidal current turbines were compared with the forces applied to the bridge structure during designing process (given in the Standards). Then, the allowable ranges of the overloading which is tolerable by the piers of the bridge were obtained. Accordingly, it is resulted that for installing these turbines, the piers of the existing bridges are required to be strengthened. Because of increasing usage of renewable powers and as a suggestion, the exerted forces from installing turbine for loading coefficients of different Standards are given. Finally as an example, preliminary designing of a horizontal tidal current turbine was carried out for Gesham Channel and the forces exerted from turbine to the bridge's pier were calculated for the future usage in order to create a test site of real dimensions.
    Description: Masters
    Description: Advisers: M., Ghodsi Hasanabad; Counsellors: M., Ezam
    Keywords: Engineering ; Oceanography
    Repository Name: AquaDocs
    Type: thesis
    Format: application/pdf
    Format: application/pdf
    Format: 128
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  • 3
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    The three dimensional model with the affection of stratified density (Caspian Sea) (2021)
    Islamic Azad University, Science and Research Branch, Tehran, Marine Physics
    In:  http://aquaticcommons.org/id/eprint/20565 | 17408 | 2016-06-29 05:14:04 | 20565 | Islamic Azad University, Science and Research Branch, Tehran
    Details
    Publication Date: 2021-07-11
    Description: The hydro dynamical actions in big Lakes directly influence dynamic, physical and chemical affairs. The circulation's models and temperature have something to do with the movements of fluids, and analysis for circulation in Caspian sea is because of the lack of observation through which the circulations and out comings are determined. Through the studies, three dimensional simulations (Large- Scale) are planned and performed, according to Smolakiewicz and Margolin works. This is a non- hydrostatic and Boussinesq approximation is used in its formulation is used in its formulation on the basis of Lipps (1990) theorem and curve lines, the fluid is constant adiabatic and stratified, and the wind power is considered zero. The profile of speed according to previous depth and before ridge can be drawn on the basis of density available between northern and southern ridges. The circulation field is drawn from 3 cm/s to 13 cm/s on the plate z= 5 cm , the vertical changes of speed on the plate is 0.02 m/s. Vertical profile , horizontal speed in previous on, and after the ridges on are drawn on different spaces. It changes from 0.5 cm/s to 1 cm/s before ridges.
    Description: PhD
    Description: Advisors: Bannazadeh, M.R.; counsellors: Bidokhti, A.A.
    Keywords: Engineering ; Oceanography
    Repository Name: AquaDocs
    Type: thesis
    Format: application/pdf
    Format: application/pdf
    Format: 115
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  • 4
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    A three dimensional model of Caspian Sea circulation (2021)
    Islamic Azad University, Science and Research Branch, Tehran, Marine Physics
    In:  http://aquaticcommons.org/id/eprint/20477 | 17408 | 2016-07-03 23:59:15 | 20477 | Islamic Azad University, Science and Research Branch, Tehran
    Details
    Publication Date: 2021-07-10
    Description: Observations of Caspian Sea during August - September 1995 are used to develop a three dimensional numerical for calculating temperature and current. This period was chosen because of extensive set of observational data including surface temperature observations. Data from the meteorological buoy network on Caspian Sea are combined with routine observation at first order synoptic station around the lake to obtain hourly values of wind stress and pressure fields. Initial temperature distribution as a function of depth and horizontal coordinates are derived from ship cruises. The model has variable grid resolution and horizontal smoothing which filters out small scale vertical motion. The hydrodynamic model of Caspian Sea has 6 vertical levels and a uniform horizontal grid size of 50 km The model is driven with surface fluxes of heat and momentum derived from observed meteorological. The model was able to reproduce all of the basic feature of the thermal structure in Caspian sea and: larger scale circulation patterns tend to be cyclone, with cyclone circulation with each sub basin. Result has agreement with observations.
    Description: PhD
    Description: Advisors: Bannazadeh, M.R.; Bidokhti, A.A.; Counsellors: Kherandish, M.
    Keywords: Engineering ; Environment ; Oceanography
    Repository Name: AquaDocs
    Type: thesis
    Format: application/pdf
    Format: application/pdf
    Format: 205
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  • 5
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    Part I. Hydraulics of tidal inlets: simple analytic models for the engineer (2021)
    Coastal and Oceanographic Engineering Department, University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1476 | 3 | 2011-09-29 20:31:04 | 1476 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-07-08
    Description: Inlets are common coastal features around the world. Essentially aninlet connects a lagoon, a bay or an estuary to the ocean (or sea), and theflow through the inlet channel is primarily induced by the tidal rise andfall of water level in the ocean. When speaking of the hydraulics of an inlet,one is interested mainly in determining the flow through the inlet andthe tidal variation in the bay, given the following:(1) Inlet geometry(2) Bay geometry(3) Bottom sediment characteristics in the inlet(4) Fresh water inflow into the bay (and out throughthe inlet)(5) Ocean tide characteristicsA combination of all these factors can produce a rather complex situation. (PDF contains 34 pages.)
    Keywords: Oceanography ; Engineering ; Tidal inlets
    Repository Name: AquaDocs
    Type: monograph
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  • 6
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    Determination of direction of littoral transport along the north shore of Santa Rosa Island, Florida (2021)
    Coastal and Oceanographic Engineering Department, University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1474 | 3 | 2011-09-29 20:31:13 | 1474 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-07-08
    Description: The purpose of this study was to determinethe actual direction of littoral transport along the north shore of SantaRosa Island in the vicinity of Pensacola Beach, Florida. To accomplish thisobjective the sand tracer method was used for the study. Visual observationsand instrument recordings of the environment factors were also made duringthe tracing operations. The investigation covered a time span from September14, 1976 to March 12, 1977.(PDF contains 68 pages.)
    Description: Sponsor: Department-of the Army Mobile District, Corps of Engineers Mobile, Alabama
    Keywords: Oceanography ; Engineering ; Santa Rosa Island ; Florida ; Longshore sediment transport
    Repository Name: AquaDocs
    Type: monograph
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  • 7
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    Sediment budget: principals and applications (2021)
    Coastal and Oceanographic Engineering Department, University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1472 | 3 | 2011-09-29 20:31:18 | 1472 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-07-08
    Description: The framework of sediment budget concepts provides a formalized procedureto account for the various components of sediment flux and the changes ofvolume that occur within a given region. Sediment budget methodology can beuseful in a number of coastal engineering and research applications,including: inferring the amount of onshore sediment transport for a nearshoresystem that contains an "excess of sediment", determining sediment deficits todowndrift beaches as a result of engineering works at navigational entrances,evaluating the performance of a beach nourishment project, inferring thedistribution of longshore sediment transport across the surf zone, etc.This chapter reviews briefly the governing equations for sediment budgetcalculations, considers various measurement and other bases for determiningthe sediment flux components necessary to apply the sediment budget conceptand finally for illustration purposes, applies the sediment budget concept toseveral examples. (PDF contains 52 pages.)
    Description: PUBLISHED IN DYNAMICS OF SAND BEACHES, INTERNATIONAL CONFERENCE ON COASTAL ENGINEERING (ICCE) 20th TAIPEL, R.O.C. NOV., 1986.
    Keywords: Oceanography ; Engineering ; Sediment transport ; modeling
    Repository Name: AquaDocs
    Type: monograph
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  • 8
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    Coastal engineering investigation at Jupiter Inlet, Florida (2021)
    Coastal and Oceanographic Engineering Department, University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1471 | 3 | 2011-09-29 20:31:48 | 1471 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-07-08
    Description: A fixed-bed hydraulic model of Jupiter Inlet, Florida, wasconstructed for the purpose of testing measures designed to remedyproblems of sediment erosion and deposition in the inlet area. Bothtide-induced flows as well as waves were simulated in the model whichwas built on an undistorted scale of 1:49. Model verification was basedon prototype measurements of waves, tides and currents. Results havebeen interpreted in terms of the influence of various proposed remedialschemes on flow velocity magnitude, distribution and wave height atvarious locations within the study area. A stability parameter has beenutilized for evaluating the degree of sediment erosion or deposition ata given location.Various structural solutions were examined in the model. It isproposed that, in the initial phase of solution implementation, sedimentremoval/nourishment methods be used primarily to mitigate the existingproblems. New structures, as per model test results, should beinstalled under subsequent phases, only if sediment managementprocedures do not prove to be adequate. The currently followedprocedure of periodic sand trap dredging may be extended to include thenew dredging/nourishment requirements. (PDF contains 245 pages.)
    Description: Submitted to: Jupiter Inlet District and Palm Beach County
    Keywords: Oceanography ; Engineering ; Hydraulic model ; Inlet hydraulics ; tidal inlets ; Jupiter Inlet ; Sedimentation ; Florida
    Repository Name: AquaDocs
    Type: monograph
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  • 9
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    Inlet stability and case histories, Part II (2021)
    Coastal and Oceanographic Engineering Department, University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1475 | 3 | 2011-09-29 20:31:06 | 1475 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-07-08
    Description: Inlets which require frequent channel dredging due to gradual shoaling,exhibit migration, or shoal up during storms, are in general unstable andpose a problem to the engineer. This problem of inlet stability is a complexone, because of the rather large number of variables that go into definingstability. The reference here is to inlets on sandy coasts only, becausethe absence of sand or similar sedimentary material the problem does notarise. Shell is also found in varying proportions with sand. Some of thisis. new, whereas in some areas it is ancient reworked material whose sizedistribution is close to that of the sand with which it is associated. (PDF has 24 pages.)
    Keywords: Oceanography ; Engineering ; Tidal inlets
    Repository Name: AquaDocs
    Type: monograph
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  • 10
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    Survey Data Report: Cape Canaveral, March-July, 1988 Volume 1 (2021)
    Coastal and Oceanographic Engineering Department, University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1064 | 3 | 2011-09-29 21:11:59 | 1064 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-07-05
    Description: This report presents the results of a bathymetric surveying program carriedout on the beach and nearshore region about 1 km to the north of the PortCanaveral inlet. The survey data covers a period between March 16 and July 21,1988. The data was collected in support of a field study on directional wavemeasurement and Bragg reflection from artificial, shore-parallel bars, performedduring June-July, 1988. The topography at the experiment site was generallymonotonic in the on-offshore direction (except near the end of the experimentalprogram) and uniform in the longshore direction. (64 pages)
    Description: Office of Naval Research
    Keywords: Oceanography ; Engineering ; Bathymetric survey ; beach profiles ; Port Canaveral ; Florida
    Repository Name: AquaDocs
    Type: monograph
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