Browsing Department of Mechanical and Aerospace Engineering by Title
Now showing items 645-664 of 916
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Numerical simulation of flow in fluidic valves in rotating detonation engines
(2017-08-21)Rotating detonation engines (RDE) have received considerable research attention in recent times for use in propulsion systems. The cycle frequency of operation of an RDE can be as high as 10,000 Hz. Conventional mechanical ... -
Numerical Simulation Of Magnetohydrodynamics
(Aerospace Engineering, 2008-04-22)Use of electromagnetic fields has been shown to be an effective way to control the behavior of electrically conducting fluids. Specifically, the modification of the boundary layer profile with electromagnetic fields can ... -
Numerical Simulation Of Particle Adhesion Dynamics For Applications In Nanomedicine And Biosensing
(Mechanical Engineering, 2009-09-16)Multifunctional nanoparticles hold considerable promise as the next generation of medicine that allow for detection of early on-set of diseases and targeted therapy with minimal toxicity. To achieve targeted drug delivery, ... -
Numerical Simulation Of Pulse Detonation Phenomena In A Parallel Environment
(Aerospace Engineering, 2007-08-23)The objective of this work was to develop a parallel algorithm that would be used in the simulation of the detonation process in the chamber of a pulse detonation engine. The emphasis is laid on reducing computation ... -
Numerical simulation of unsteady normal detonation combustion
(2018-08-13)The objective of this research is to simulate normal detonation combustion which is a mode of operation for a Pulsed Detonation Engine (PDE). A supersonic flow with stoichiometric hydrogen-air mixture is made to impinge ... -
Numerical Simulations Of Transonic Wingtip
(Aerospace Engineering, 2014-03-12)This report presents numerical simulations using ANSYS FLUENT for a NACA 0012 wing both in two- and three-dimensional cases to compare with an experimental data. This comparison also allowed for any wall interference in ... -
NUMERICAL STUDIES ON SPIN COATING OF METALS
(2016-05-13)Spin coating is a surface coating process which involves spreading a liquid dispensed on the center of a rotating substrate. The liquid is discharged using a suitable method on to the substrate rotating at a constant angular ... -
Numerical Study Of Chemically Reacting Viscous Flow Relevant To Pulsed Detonation Engines
(Aerospace Engineering, 2007-08-23)A computational fluid dynamics code for two-dimensional, multi-species, laminar Navier-Stokes equations is developed to simulate a recently proposed engine concept for a pulsed detonation based propulsion system and to ... -
Numerical Study of Detonation flame Arrestor Performance and Detonation Interaction with the Arrestor Element
(2019-12-03)A numerical study of detonation propagation and interaction with a flame arrestor product in a combustible gas/vapor transport pipeline system is conducted. The flame arrestor element is modeled as a porous medium using ... -
Numerical Study Of Drop Formation From Dripping To Jetting
(Mechanical Engineering, 2012-04-11)The formation of liquid droplet from a capillary tube has been examined using numerical simulations. The dimensions of the capillary tube and the flow velocity have been varied to observe the regimes of drop formation. ... -
Numerical Study of Droplet Evaporation
(2018-01-10)Droplet evaporation plays a vital role in various engineering fields such as air/fuel premixing, inkjet printing and many more. The high rate of power dissipation from the integrated circuits and chips of electronic devices ... -
NUMERICAL STUDY OF HIGH–FREQUENCY FLUIDIC VALVE INJECTORS FOR DETONATION ENGINE APPLICATIONS
(2019-12-05)The feasibility of fluidic valves for use in detonation-based engines was studied numerically. The fluidic valve acted by shutting off reactant flow through the high pressure behind detonation waves propagating past the ... -
Numerical Study Of Incompressible Fluid Flow In A Vertically Dropping Pool With And Without End Sill
(Mechanical Engineering, 2013-10-23)The study involves numerical analysis of flow field for three different flow regimes taking place in a vertically dropping pool. In general, a vertically dropping flow generates a skimming flow regime with one recirculation ... -
A Numerical Study Of Incompressible Fluid Flow Over A Forward Facing Step At Various Grades
(Mechanical Engineering, 2013-07-22)The study of the effect of natural forces on hydraulic structures is of great concern for the accurate prediction of when a design could be at risk of failure. In recent times the use of the shallow water equations to ... -
NUMERICAL STUDY OF MARANGONI CONVECTION AND MASS TRANSPORT IN MICRODROPLETS
(2017-05-24)Marangoni convection is a flow resulting from a surface tension gradient at air/liquid interface caused by temperature gradient, concentration of surfactant or applied electric field. Marangoni convection when caused by ... -
A Numerical Study Of Microfluidic Droplet Motions In Parallel-plate Electrowetting-on-dielectric (EWOD) Devices
Microscale water droplet motions in parallel-plate electrowetting-on-dielectric (EWOD) devices including transport, splitting, merging and dispensing have been numerically studied. The transient governing equations for the ... -
Numerical Study Of Sidewall Filling For Gas-fed Pulse Detonation Engines
(Aerospace Engineering, 2013-03-20)Pulse detonation engines for aerospace propulsion are required to operate at 50-100 Hz meaning that each pulse is 10-20 ms long. Filling of the engine and the related purging process become dominant due to their long ... -
Numerical Study On Capillarity- Dominant Free Surface And Interfacial Flows
(Mechanical Engineering, 2007-08-23)The continuum surface force (CSF) method has been extensively employed in the volume-of-fluid (VOF), level set (LS) and front tracking methods to model surface tension forces. Its ability is limited for the surface tension ... -
Numerical Study on Morphology and Solidification Characteristics of Successive Droplet Depositions on a Substrate
(2016-05-10)Successive droplet impingement finds extensive applications in additive manufacturing technologies such as 3D printing, Liquid Metal Jetting and Net Form Manufacturing. Deposition, deformation and solidification of droplets ... -
A Numerical Study On The Dynamics Of Bubble Growth And Detachment From An Orifice
(Mechanical Engineering, 2010-03-03)The study of bubble formation from an orifice finds numerous industrial applications which include bubble acoustics in ocean physics and chemical reactors. Numerical simulations have been performed to investigate the ...