Browsing OSU Theses by Author "Sallam, Khaled A."
Now showing items 1-20 of 20
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Application of Holographic Particle Image Velocimetry in Bubbly Flow
Banerjee, Atanu (Oklahoma State University, 2013-05-01)Measuring the velocity field of a bubbly flow is of major importance in many industrial applications like, bubble column reactors. Traditional PIV setup is limited to single plane measurements. The present study involved ... -
Applying Holographic Particle Image Velocimetry to Sprays
Saini, Khushwant (Oklahoma State University, 2010-12-01)Measuring the velocity field of dispersed flows is of major importance in many applications, such as sprays and particle-laden jets. Traditional particle image velocimetry (PIV) setup is common in laboratories but it is ... -
Breakup of Turbulent Round Liquid Jets in Uniform Gaseous Crossflow
Sankarakrishnan, Ramprakash (Oklahoma State University, 2005-12-01)An experimental investigation of breakup of partially and fully turbulent round liquid jets in uniform gaseous crossflow was undertaken. Measurements of the properties of primary breakup were obtained using pulsed ... -
Comparative Study of Diastolic Filling under Varying Left Ventricular Wall Stiffness
Mekala, Pritam Sai (2015-07-01)Heart failure with preserved ejection fraction (HFpEF) is a clinical syndrome that is prevalent in over 50% of heart failure patients. Myocardial stiffening occurs in HFpEF patients prior to chronic maladaptive changes in ... -
Comparison of Frictional Pressure Drop Correlations for Isothermal Two-Phase Horizontal Flow
Mekisso, Henock Mateos (Oklahoma State University, 2013-05-01)An extensive literature search was made for the available two-phase frictional pressure drop correlations and isothermal two-phase horizontal flow experimental data. The experimental data was systematically refined and ... -
Design and construction of a pumped refrigerant loop for commercial scale low-GWP refrigerant heat exchanger testing
Chowdhury, A. B. M. Imran (2021-07)A pumped refrigerant loop for refrigerant conditioning is developed to allow testing of heat exchangers using a wide range of refrigerants, including low global warming potential refrigerants. The pumped refrigerant loop ... -
Design of an Experimental Setup for Two Phase Flow Studies in near Horizontal Upward and Downward Pipe Orientations
Lares, Edgar Ignacio Lares (Oklahoma State University, 2014-07-01)Two phase flow has numerous industrial applications and some of them are related to transport of fluids, such as natural gas transportation. In which the pipe is not always horizontal and tends to be at upward or downward ... -
Digital Holographic Diagnositcs of Aerated-liquid Jets in a Subsonic Crossflow
Miller, Brian Derrick (Oklahoma State University, 2006-12-01)An aerated jet in crossflow was studied and it was found that digital holographic microscopy was the best method for resolving the smallest droplets within the spray. Using this technique Sauter mean diameter maps were ... -
Effect of Dispersion Techniques on Fracture Toughness of Nanocomposites Prepared Using XG M-5 Graphene Nanoplatelets and EPON 862 Epoxy Resin
Mondal, Shamim (2018-07-01)This investigation reports on the effects of various mechanical dispersion techniques, surface treatments, and coupling agents on the fracture toughness of an epoxy resin reinforced with graphene nanoplatelets. The epoxy ... -
Effect of Low Constant Direct Currents on Quasi-Static Mechanical Response of Carbon Fiber Polymer Matrix Composites
Akula Venkata, Ravi Raja Naidu (2018-05-01)Carbon-fiber reinforced composites (CFRP) can be subjected to two different levels of direct current conduction, either under catastrophic high current conditions such as lightning-strike on an aircraft structure or under ... -
Effect of Nanofiller on the Gas Permeability of Epoxy Nanocomposite
Nasrin, Sadia (Oklahoma State University, 2011-12-01)There is an increasing demand of advanced materials with better property to meet new requirements of the present time and nanocomposite is such a material. It has better surface area per unit volume and high aspect ratio. ... -
Effects of Injection Angle on the Structure of Choked Gaseous Jets
Sheridan, Alex Michael (2019-07)The effects of injection angle on the structure of choked gaseous jets injected into quiescent air is investigated experimentally. The study is motivated by the use of choked gaseous jets in many industrial applications, ... -
Experimental Investigation of Friction Factor and Heat Transfer for Single Phase Water Flow in Stainless Steel and Nickel Micro-tubes
Li, Qian (Oklahoma State University, 2012-07-01)This study has been conducted in order to present the design, construction and validation of a state-of-the-art experimental apparatus for the purpose of measuring pressure drop and heat transfer in micro-tubes. The data ... -
Formation of Fibers and Spheres by Electrospinning of Polyethylene Oxide Solution
Narasimhan, Atul (Oklahoma State University, 2009-05-01)An experimental process for obtaining fibers and spheres using electrospinning of a polymer (Polyethylene Oxide) solution in water were studied. The objectives of the study were to complete measurements of size of the ... -
Jet Breakup and Pinch-Off in Liquid-Liquid Systems
Crane, Todd Edwin (Oklahoma State University, 2006-07-01)An experimental study of jet breakup in immiscible liquid-liquid systems has been performed. The present study focuses on capturing and quantifying the breakup and pinch-off of a liquid jet when injected into a second, ... -
Modeling of Turbulent Particulate Flow in the Recirculation Zone Downstream of a Backward Facing Step Preceding a Porous Medium
Dange, Alok (Oklahoma State University, 2010-12-01)The current study focuses on flow characteristics and particle motion in the recirculation zone downstream of a backward facing step preceding a porous medium. A two dimensional backward facing step is created in ICEM CFD ... -
Non Boiling Heat Transfer in Horizontal and near Horizontal Downward Inclined Two Phase Gas-liquid Flow
Hossainy, Tabassum Aziz (Oklahoma State University, 2014-07-01)Heat transfer in non-boiling gas-liquid two phase flow has significant practical applications in chemical and petroleum industry. To date, majority of the research in this field have been conducted for two phase flow in ... -
Numerical Investigation of the Hydrodynamic Focusing Phenomena in a Microflow Cytometer
Ariekela, Samuel (Oklahoma State University, 2011-05-01)Simulations were performed to study the 2-D hydrodynamic focusing phenomena in a microflow cytometer. The hydrodynamic focusing phenomenon was studied by varying the velocities of both the sample and the sheath flows flowing ... -
Prediction of Permeability in Compressed Polyurethane Foams in Vacuum Assisted Infiltration Process
Ramanujakannan, Balaji (Oklahoma State University, 2011-05-01)Foams used for radio-frequency(RF) and acoustic shielding were treated with carbon black and cut into pyramidal blocks for better absorption characteristics. The general manufacturing process involves immersion of polyurethane ... -
Study of Isothermal Pressure Drop and Non-boiling Heat Transfer in Vertical Downward Two Phase Flow
Mollamahmutoglu, Mehmet (Oklahoma State University, 2012-12-01)In the past few decades, the application areas of two-phase flow have increased due to technological advancement. The main applications of two-phase flow can be seen in chemical, oil and nuclear industry. Pressure drop and ...