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Browsing ME Theses and Dissertations by Title

Browsing ME Theses and Dissertations by Title

Now showing items 129-148 of 157

Prediction of variation in dimensional tolerance due to sheet metal hydroforming using finite element analysis

Pandya, Rajen Subhashchandra (2006-05)

Hydroforming of aluminum sheets is very important in the aircraft industry, due to the advantages of less wrinkling and cost effectiveness. Numerous research has been conducted in this field, which deals with the development ...
Preparation, characterization and properties of injection molded graphene nanocomposites

Jannapu Reddy, Ramya (Wichita State University, 2010-12)

The use of nanotechnology is rapidly growing in various fields for different applications such as aerospace, electronics, construction, biomedicine, cosmetics etc. Nanomaterials posses unique size dependent material ...
Processing and characterization of carbon nanoparticle/fiber-reinforced polymer composites

Rodriguez, Alejandro Jose (Wichita State University, 2010-08)

Carbon nanotubes (CNTs) and carbon nanofibers (CNFs) have an exceptional combination of properties that make them ideal materials for use as reinforcing particles in advanced composites. This investigation was aimed at ...
Production alternatives to screen printing for dye sensitized solar cells in laboratory settings

Haynes, Holly (Wichita State University, 2010-12)

In this thesis, two methods of creating multi-layer porous films for DSSCs are examined. They have been designed as possible alternatives for screen printing in laboratory settings. The same precursor chemicals used for ...
Protection of occupants in car side impact crashes with an external inflatable upper torso restraint system

Bhaghavathula, N V S Kapeesh (Wichita State University, 2008-12)

Passenger vehicles in today’s world are more crashworthy than they used to be. Significant improvements have been done in the recent years to improve protection for occupants in the passenger vehicle; most ...
Protective bollard design for high speed impact energy absorption

Bangalore, Krishna-Prasad (2006-05)

As is passenger safety of paramount importance to the manufacturer of passenger vehicles, so is the security of the nation to its government. Recent developments in the usage of heavy vehicles by militant outfits to carry ...
Protective shroud for an autonomous unmanned aerial vehicle

Rao, Srinivas Krishna (2006-12)

Unmanned aerial vehicles are high in demand for various purposes such as surveillance and reconnaissance in military applications. They are also widely used for civilian applications in fire monitoring and analysis, coffee ...
Protective thermal spray coatings for polymer matrix composites

Vyawahare, Suddharth M. (2006-12)

Polymer matrix composites were coated with metals, alloys and intermetallic compounds using the thermal spray coating technology. Air plasma spraying and flame spraying were the two spraying techniques primarily used ...
Resin flow velocity measurement of carbon fiber/epoxy composites in autoclave processing

Ahmed, Ashraf Uddin (Wichita State University, 2012-05)

The resin flow during composite processing affects the mechanical properties and the final dimensions of the part. This study investigates resin flow velocity in autoclave processing. To measure the resin flow velocity ...
Response of adhesively bonded composite joints to low velocity impact

Ramakrishna Pillai, Govind (2006-12)

Adhesively bonded composite joints are widely used in modern lightweight flight and space vehicle structures and will be widely used in the next generation aircrafts such as Unmanned Aerial Vehicles (UAV) and Joint Strike ...
Robust control design of remote catheter insertion mechanism with haptic feedback -- FULL TEXT IS NOT AVAILABLE

Kothari, Chintan Govindbhai (2006-12)

Robotic surgery is becoming a popular technique for certain procedures since benefits of minimally invasive surgery (MIS) have become general knowledge. However, one of the major shortcomings of the present generation of ...
Semi-globally exponential and globally exponential tracking observer/controllers for robotic plants

Malagari, Srinivasulu (Wichita State University, 2011-07)

This work is concerned with semi-globally and globally exponential observer/controllers for robotic plants. This dissertation work culminated in the following six [6] journal publications: 1. Malagari, S. and Driessen, ...
Simulation on filling pattern of vacuum assisted resin transfer molding (VARTM) for sectional wind blade shells

Saw, Kee Hong (Wichita State University, 2012-12)

The Vacuum Assisted Resin Transfer Molding (VARTM) process is one of the most common and economical processes which has been adapted by many wind blade manufacturers. The significant advantages for this process primarily ...
Statistical analysis of the mechanical properties of Friction Stir Welded AA2024 and AA2198 aluminum alloys

Jurak, Sarah F. (Wichita State University, 2011-12)

This thesis presents an analysis of data based on the results of a previous study into the path independence of friction stir welding (FSW). The original study was conducted in two phases using AA2024 and AA2198 aluminum ...
Stress relaxation behavior of carbon fiber-epoxy prepreg composites during and after cure

Das, Rony (Wichita State University, 2012-05)

This study presents the experimental results of time-temperature dependent viscoelastic behavior and cure kinetics of two commercial carbon fiber/epoxy prepregs, IM7/977-2 unidirectional tape (UD) and IM7/977-2 plain weave ...
Study of energy absorption characteristics of a thin walled tube filled with carbon nano polyurethane foam

Tankara, Damodar Goud (Wichita State University, 2011-05)

In last few decades much research work has been conducted on the development of most efficient crashworthy structures which can protect vehicle drivers, passengers or at least reduce the severity of the accident by absorbing ...
Study of heat transfer from an impinging jet to a substrate

Pokharel, Arjun (2005-12)

A high-temperature argon-hydrogen plasma jet issuing into ambient air and impinging on a flat circular steel substrate was modeled using a commercial CFD software. Plasma was represented as an ideal gas with temperature-dependent ...
Study of rear impact in light trucks and potential injuries to the occupants

Patel, Dhruv Vikram (2007-05)

According to National Highway Traffic Safety Administration (NHTSA), each year about 400,000 trucks are involved in motor vehicle crashes. Eighteen percent of these accidents are in rear-end crashes of the trucks. Accordingly, ...
Study of the response of fiber reinforced polymeric composite beam under dynamic loading and hydrothermal environment

Kagi, Bahubali Chandrashekar (2006-05)

Fiber reinforced polymeric (FRP) composites are beginning to find applications in constructing infrastructures such as bridges, railroads, etc. Composites may potentially be more durable replacements for steel and concrete, ...
Study of wave shaping techniques of split Hopkinson pressure bar using finite element analysis

Tasneem, Nazia (Wichita State University, 2005-12)

The split Hopkinson pressure bar (SHPB) continues to be one of the most common methods of testing materials at high rates of strain. Elevated rates of strain, such as those found in impact and explosive applications, have ...