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Numerical and Experimental Analysis of Multi-Stage Axial Turbine Performance at Design and Off-Design Conditions
(2013-08-07)
Computational fluid dynamics or CFD isan importanttool thatis used at various stages in the design of highly complex turbomachinery such as compressorand turbine stages that are used in land and air based power generation ...
Simple Zero Dimensional Quasi-predictive Thermodynamic Simulation for Prediction of NOx for Diesel Combustion
(2017-05-31)
Computational fluid dynamics (CFD) is now a ubiquitous computational tool for engine design and analysis. It is often necessary to provide well-known initial cycle conditions to commence the CFD computations. Such initial ...
Numerical Investigation of Thermal Hydraulic Behavior of Supercritical Carbon Dioxide in Compact Heat Exchangers
(2012-02-14)
The present work seeks to investigate the thermal hydraulic (heat transfer and fluid dynamics) behavior of supercritical (Sc) fluids at both the fundamental and applied levels. The thermal hydraulics of these fluids is not ...
Numerical Simulation of Flow Field Inside a Squeeze Film Damper and the Study of the Effect of Cavitation on the Pressure Distribution
(2012-02-14)
Squeeze Film Dampers (SFDs) are employed in high-speed Turbomachinery, particularly aircraft jet engines, to provide external damping. Despite numerous successful applications, it is widely acknowledged that the theoretical ...
Computational Modeling and Optimization of a Novel Shock Tube to Study Blast Induced Traumatic Brain Injury
(2014-08-06)
Over the last decade, soldiers fighting in Iraq and Afghanistan are being exposed to blasts from powerful explosives with improvised detonation techniques. These blasts put them at high risk of closed head non-impact ...
Numerical Investigation of Temperature Distribution on a High Pressure Gas Turbine Blade
(2014-08-10)
A numerical code is developed to calculate the temperature distributions on the surface of a gas turbine blade. This code is a tool for quick prediction of the temperatures by knowing the boundary conditions and the flow ...
Development of Spatio-Temporal Wavelet Post Processing Techniques for Application to Thermal Hydraulic Experiments and Numerical Simulations
(2012-07-16)
This work focuses on both high fidelity experimental and numerical thermal hydraulic studies and advanced frequency decomposition methods. The major contribution of this work is a proposed method for spatio-temporal ...
Computational Fluid Dynamics Study of Aerosol Transport and Deposition Mechanisms
(2012-07-16)
In this work, various aerosol particle transport and deposition mechanisms were studied through the computational fluid dynamics (CFD) modeling, including inertial impaction, gravitational effect, lift force, interception, ...
Liquefied Natural Gas (LNG) Vapor Dispersion Modeling with Computational Fluid Dynamics Codes
(2012-10-19)
Federal regulation 49 CFR 193 and standard NFPA 59A require the use of validated consequence models to determine the vapor cloud dispersion exclusion zones for accidental liquefied natural gas (LNG) releases. For modeling ...
Computational Fluid Dynamics Simulation of Green Water Around a Two-dimensional Platform
(2010-07-14)
An interface-preserving level set method is incorporated into the Reynolds-Averaged Navier-Stokes (RANS) numerical method to simulate the application of the green water phenomena around a platform and the breaking wave ...