Mechanical Engineering & Applied Mechanics Masters Theses: Recent submissions
Now showing items 41-60 of 106
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Evaluation of Corn Distiller’s Dried Grains with Solubles as a Functional Material to Replace Synthetic Resin in Wood Particleboards
(North Dakota State University, 2019)Corn distiller’s dried grains with solubles (DDGS) is mostly marketed as a livestock feed due to its high protein content of 30%. Recently, the proteins in DDGS have shown potential to act as binding agents along with ... -
Fatigue Behavior of Flax Fiber Reinforced Polymer Matrix Composites
(North Dakota State University, 2019)Bio-based flax fiber polymer composites (FFPC) have the potential to replace metals and synthetic fibers in certain applications due to their unique mechanical properties. However, the long term reliability of FFPC needs ... -
Hybridization of Bast Natural and Synthetic Fibers in Thermoplastic Composites
(North Dakota State University, 2019)In recent years, the use of natural fiber-reinforced composites in more advanced applications has grown substantially. Applications of high strength require high mechanical properties. An effective method for increasing ... -
Potential Applications of Flax Fibers
(North Dakota State University, 2018)There has been a substantial increase in the usage of natural-fibers and biodegradable polymers due to the needs of the environmental sustainability. The use of natural fibers is inclusive of wide range of applications in ... -
Computational Simulations of Compressible Transitional Flows in a Turbine Vane Cascade
(North Dakota State University, 2019)In order to improve the efficiency and reduce the emissions of aircraft engines, new combustor designs have been developed to reduce outlet temperatures and increase mixing. At high altitudes, the low pressure and low ... -
Production of Cellulose Nanofibers using Midwest Biomass and their High-Performance Rubber Nanocomposites
(North Dakota State University, 2018)Cellulose nanofibers (CNFs) are a sustainable and environmentally friendly material which can be used as a highly versatile reinforcing agent in polymer nanocomposites. This thesis presents a novel method to produce CNFs ... -
Additive Manufacturing of Short-Fiber Composites via Stereolithography
(North Dakota State University, 2018)The effectiveness of using a dual curing system, consisting of a photo and thermal initiator, for the additive manufacturing of carbon fiber short-fiber composites via stereolithography was investigated. The necessary ... -
Theoretical and Computational Studies of the Mechanical Strength and Fracture Toughness of Adhesively Bonded Joints and Polymer Nanoclay Composites
(North Dakota State University, 2019)Increasing use of adhesively bonded joints (ABJs) and polymer nanoclay composites (PNCs) in modern vehicles and other industrial sectors has deeply shaped the design and manufacturing of advanced materials and structures ... -
Epoxidized Sucrose Soyate as a Primary Binder in Particleboard
(North Dakota State University, 2018)Wood composites industry has been growing for decades. However, wood composites have been associated with some health concerns due to the presence of formaldehyde. A promising bio-based resin Epoxidized Sucrose Soyate (ESS) ... -
Characterization of Regenerated Silk Material for Biomimetic Spinning and Film Casting
(North Dakota State University, 2018)Natural silks produced by spiders and silkworms exhibit tailorable mechanical performance yet to be achieved synthetically. This phenomenon is derived from a biological system that has been evolutionarily optimized. In ... -
Unsteady Aerodynamics and Turbulent Near-Wake Characterization of Static and Rotating Cylinder Sytems
(North Dakota State University, 2018)External flows around bluff bodies have been broadly investigated due to their great importance in engineering applications including aircraft and missile development, marine and naval structures, vehicle aerodynamics, ... -
Experimental Evaluation of a NACA 0021 Airfoil Employing Shape-Memory Alloy for Active Flow Control
(North Dakota State University, 2018)Current aircraft use actuators to alter the wing geometry and generate the ideal flight characteristics which is known to be a method of active flow control. By replacing the heavy electric and hydraulic actuators currently ... -
Experimental Investigation of the Temperature Effects on the Behavior of Adhesively-Bonded Dissimilar Materials
(North Dakota State University, 2017)The effects of temperature on the fatigue and low velocity impact (LVI) behaviors of adhesively-bonded single-lap joints (SLJs) composed of a pultruded E-glass/polyurethane composite bonded to 5052 aluminum and A36 steel ... -
Dynamic Modelling for the Path Tracking Control of a Four-Wheel Independent-Drive, Four-Wheel Independent-Steer Autonomous Ground Vehicle
(North Dakota State University, 2017)Robots that can be reconfigured to perform more than one task would be to consumers. The Four-Wheel Independent-Drive, Four-Wheel Independent-Steer (4WD4WS) robot is well suited for the role of reconfigurable robot due to ... -
Mechanical and Surface Properties of Technical and Single Flax Fiber in Micro and Nano Scale
(North Dakota State University, 2017)The continued search for sustainable and eco-friendly materials led to the integration of bio-fibers as the reinforcement in composite materials. However, a wide variation in their mechanical properties poses a considerable ... -
Impact of Recycling on the Mechanical and Thermo-Mechanical Properties of Wood Flour/High Density Polyethylene and Wood Flour/Poly Lactic Acid Composites
(North Dakota State University, 2016)This research concentrates on the recyclability of two wood plastic composites (WPCs) - wood flour/HDPE and wood flour/PLA composites. Two different filler loadings (30 and 50 wt%) were considered for each polymer composite. ... -
Design and Control of a Micro/Nano Load Stage for In-Situ AFM Observation and Nanoscale Structural and Mechanical Characterization of MWCNT-Epoxy Composites
(North Dakota State University, 2017)Nanomaterial composites hold improvement potential for many materials. Improvements arise through known material behaviors and unique nanoscale effects to improve performance in areas including elastic modulus and damping ... -
Development of an Advanced Composite Material Consisting of Iron Matrix Reinforced with Ultra High Temperature Ceramic Particulate (TiB2) with Optimum Properties
(North Dakota State University, 2016)This study was intended to investigate the mechanical properties and microstructure of iron based composite reinforced by ultra high temperature ceramics fabricated by powder metallurgy technique. The fabrication parameters ... -
A Single-Cylinder Internal Combustion Engine Test Unit for the Engineering Laboratory
(North Dakota State University, 1962)The study of the reciprocating internal combustion engine is of prime importance to the student engineer. In our present civilization, the number of units and the total rated power of internal combustion engines in use is ... -
Numerical Investigation of Vibration in a Steam Turbine Control Valve
(North Dakota State University, 2017)A numerical analysis is performed at North Dakota State University to investigate and resolve steam inlet control valve vibration in a Minnkota Power Cooperative turbine. Pressure fluctuations resulting from an unstable ...