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Browsing ME Theses and Dissertations by Title

Browsing ME Theses and Dissertations by Title

Now showing items 86-105 of 157

Head and neck injury analysis due to fall at the aircraft entry door

Dhillon, Kyle (Wichita State University, 2007-05)

Falls are one of the most common causes of injury among young children and have been recognized as a major cause of death and disability worldwide among children 1-3 years old. A characteristic of injuries among very young ...
Highly hydrophilic electrospun fibers for the filtration of micro and nanosize particles treated with coagulants

Muppalla, Harish (Wichita State University, 2011-12)

Electrospinning has been widely used in the last decade for research in the field of nanotechnology because of its ability to create sub-micron to nanoscale fibers. In this research work, hydrophilic nanofiber membranes ...
High Rayleigh number flows in a cubical enclosure

Bende, Balaraju (Wichita State University, 2010-12)

The current study was undertaken with an intention to verify and extend the boundaries of the work produced by Xia & Murthy [24] and Vargas [23] on natural convective flows inside a cubical enclosure to observe the transition ...
Impact dynamics of mechanical systems and structures, and applications in crash energy management, impulse mitigation, and impact injury biomechanics

Moradi, Rasoul (Wichita State University, 2012-05)

Among the different load conditions on a mechanical system, impact loading and its contribution to the design process require special consideration. The static methods of stress, strain, and deflection analyses are ...
Implementation and evaluation of automotive child restraint systems in mass transit buses

Balwan, Nishant Kuber (Wichita State University, 2008-12)

Mass transportation systems and specifically bus systems are a key element of the national transportation network. Buses are one of the safest forms of transportation. Nonetheless, bus crashes resulting in occupant injuries ...
Improvements and effects of porosity on interlaminar tensile strength of curved beam carbon fiber composites

Patlolla, Vamsidhar (Wichita State University, 2012-12)

The orthotropic nature of composites provides excellent performance in the fiber direction, but it is susceptible to failure in the orthogonal direction. Failure due to the delamination is limited to composites, and has ...
Incorporation of graphene thin films into the carbon fiber reinforced composite via 3d composite concept against the lightning strikes on composite aircraft

Ashok Kumar, Sachin Sharma (Wichita State University, 2012-12)

Research and development of graphene and graphene based materials have been increasing significantly since they were invented. This report presents the development of a highly conductive graphene thin film (GTF) to reduce ...
Increasing the coating resistance against UV degradation and corrosion using nanocomposite coating

Mahmud, Gazi Arif (Wichita State University, 2009-12)

In this research project, a nanocomposite coating was developed using multiwall carbon nanotubes (MWCNT) associated with epoxy primer in order to increase coating resistance against ultra-violet radiation and corrosion. ...
An integrated system for transport aircraft cabin interior design and certification by analysis

Nagarajan, Harishanker (Wichita State University, 2008-12)

Every cabin configuration, in all types of aircraft (Transport, General Aviation and Rotorcraft), need to be certified as per the existing Code of Federal Regulation governing that particular type of aircraft. The current ...
An investigation into methods to increase the fatigue life of friction stir lap welds

Baratzadeh, Farzad (Wichita State University, 2010-05)

Recent advancements in friction stir welding (FSW) technology have potential for applications in aerospace structures. Friction stir spot welds have been found to be much stronger than rivets in the same material thickness, ...
Investigation of inverse acoustical characterization of porous materials used in aircraft noise control application

Ravindran, Apoorv (Wichita State University, 2007-12)

Sound propagation through porous media such as foams and fibers is governed by five parameters that describe the geometry of the porous frame: porosity, tortuosity, flow resistivity, viscous characteristic length, and ...
In vitro cytotoxicity tests of nanomaterials on 3T3 and l929 cancerous cells

Srikanth, Madhulika (Wichita State University, 2012-05)

In this MS thesis, cytotoxicity tests of various nanomaterials, which have commercial applications and involve a contact with human body, were performed at different conditions. The nanomaterials used for the experiments ...
Kinematic analysis of a motorcycle and rider impact on a concrete barrier under different impact and road conditions

Ramamurthy, Shashikumar (Wichita State University, 2007-12)

In many countries, motorcycle crashes constitutes a significant proportion of all road crash fatalities and injuries and safety measures can be successful only if much more attention is devoted to this issue. Several ...
Low Z-force Octaspot™ swept friction stir spot welds welding—conventional tool and process development approach

Lam, Tze Jian (Wichita State University, 2010-05)

An investigation was conducted to develop low Z-force (normal/forge load) friction stir spot welds (FSSWs) using conventional tooling and process development approaches. Low Z-forces can be achieved by studying the ...
Magnetic and albumin targeted drug delivery for breast cancer treatment

Abedin, Farhana (Wichita State University, 2011-07)

This research work involves multifunctional magnetically targeted drug delivery microspheres for treatment against breast cancer. A combination therapy approach was followed by encapsulating two chemotherapeutics, ...
Manufacturing, characterization, and modeling of graphene-based nanocomposites for aircraft structural and lightning strike applications

Zhang, Bangwei (Wichita State University, 2012-12)

Research and development of graphene and graphene-based materials have been attracting significant interest since they were invented. This dissertation mainly focused on the graphene-based materials: (a) a fundamental ...
Mechanical and electrical properties of aligned carbon nanofiber/epoxy nanocomposites

Lim, Chee Sern (Wichita State University, 2010-05)

Carbon Nanofibers (CNFs) are high aspect ratio nanofillers that possess excellent mechanical and electrical properties. Hence, CNFs have been incorporated into polymer to fabricate nanocomposites with superior mechanical ...
Mechanical testing and evaluation of high-speed and low-speed friction stir welds

Banwasi, Nitin (2005-12)

The potential of the Friction Stir Welding (FSW) process is easily observed in the creation of defect free welds in almost all of the Aluminum alloys. The success and applicability of the process, however, will depend on ...
A methodology for aircraft seat certification by dynamic finite element analysis

Bhonge, Prasannakumar (Wichita State University, 2008-12)

Dynamic aircraft seat regulations are identified in the Code of Federal Regulations 1(CFR), 14 CFR Parts 23.562 and 25.562 for crashworthy evaluation of a seat in a dynamic environment. The regulations specify full-scale ...
Modeling and analysis of a composite B-Pillar for side-impact protection of occupants in a sedan

Reddy, Santosh (2007-05)

Cars safety became an issue almost immediately after the invention of the automobile. To protect occupants from a direct impact, the passenger compartment and the structure of the vehicle should keep its shape in a crash. ...