Browsing by Subject "turbulence"
Now showing items 1-20 of 31
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(2016-05-06)The coupled interactions between turbulent flow and thermal non-equilibrium (TNE) are physical and chemical processes with significant implications in turbulent heat transfer, fluid mixing, and fluid transport associated ...
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(2015-12-14)Multiphase flows are ubiquitous in nature and engineering scenarios; examples include volcanic eruption, cloud formation, land reclamation and subsea oil well blowout. In these flows, one or more heterogeneous materials ...
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(Texas A&M University, 2006-04-12)Rapid Distortion Theory is used to perform calculations of unsteadily-forced initially isotropic turbulence so that the physics of such flows can be better understood. The results of these calculations show that there are ...
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(2013-05-29)Marsh vegetation is widely considered to offer protection against coastal storm damage, and vegetated flow has thus become a key area of hydrodynamic research. This study investigates the utility of simulated Spartina ...
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(2013-08-05)High-resolution particle image velocimetry (PIV) is employed to resolve the velocity fields within a Mach 4.9 mechanically distorted turbulent boundary layer (Reθ ≈ 40,000). The goal of this study is to directly observe ...
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(2015-04-29)One of the most important parameters in the analysis of containment safety of the light water reactors during a loss of coolant accident (LOCA) is the prediction of the hydrogen concentration. To ensure proper design of ...
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(2020-11-05)Large-scale coherent structures play a vital role in many turbulent flows of interest: atmospheric flows, astrophysical phenomena, oceanic circulation, and engineering applications over a variety of fields. In aerodynamics/fluid ...
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(Texas A&M University, 2005-11-01)The objective of the thesis is to characterize the linear and nonlinear aspects of inertial and pressure effects in turbulent flows. In the first part of the study, computations of Navier-Stokes and 3D Burgers equations ...
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(2012-02-14)The Remote Anthropogenic Sensing Program was a five year effort (2001- 2005) to examine subsurface phenomena related to a sewage outfall off the coast of Oahu, Hawaii. This research has implications for basic ocean ...
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(2023-04-19)High-fidelity computational fluid dynamics simulations are imperative to understanding the complex physics of hypersonic flight. Of the many complex flow fields in hypersonic flows, Mach stems are a particular area of ...
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(2023-07-09)The major challenge in designing oxy-fuel combustors in supercritical power generation cycles is the lack of fundamental understanding of the combustion process at high pressures exceeding the critical point of the fuel ...
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(2021-07-22)The BOundary Layer Turbulence (BOLT-II) flight experiment proposed by the Air Force Office of Scientific Research (AFOSR) is a joint collaboration between academia, industry, and government partners to advance the understanding ...
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(2019-05-28)A direct numerical simulation (DNS) of a propagating H2-air flame in a semi-confined geometry is performed and analyzed. Simulation setup imitates the flow conditions in the Turbulent Shock Tube (TST) facility developed ...
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(2014-06-24)The flow in a tightly packed array of spheres is important to various engineering fields. In nuclear engineering applications, for instance, researchers have proposed core geometries of the pebble bed reactor (PBR) type ...
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(2011-02-22)The effect of single mode initial conditions at the interface of Rayleigh-Taylor(RT) mixing are experimentally examined utilizing the low Atwood number water channel facility at Texas A&M. The water channel convects two ...
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(Texas A&M University, 2006-04-12)Experiments and direct numerical simulations (DNS) have been performed to examine the e¤ects of initial conditions on the dynamics of a Rayleigh-Taylor unsta- ble mixing layer. Experiments were performed on a water channel ...
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(2012-10-19)The aim of this study is to compare observational data to data simulated by a one dimensional model. Observational data collected from January to July 2006 at Lake Whitney, Texas, included water current velocities from an ...
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Numerical modeling of species transport in turbulent flow and experimental study on aerosol sampling (Texas A&M University, 2007-04-25)Numerical simulations were performed to study the turbulent mixing of a scalar species in straight tube, single and double elbow flow configurations. Different Reynolds Averaged Navier Stokes (RANS) and Large Eddy Simulation ...
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Observational and Numerical Modeling Studies of Turbulence on the Texas-Louisiana Continental Shelf (2013-05-24)Turbulent dynamics at two sites (C and D) in a hypoxic zone on the Texas- Louisiana continental shelf were studied by investigating turbulence quantities i.e. turbulence kinetic energy (TKE), dissipation rate of TKE ...
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(Texas A&M University, 2005-02-17)Every type of current meter is different and has its proper characteristics. Knowing the performance of a current meter is essential in order to use it properly either for field or laboratory measurements (such as in the ...