Mechanical Engineering & Applied Mechanics: Recent submissions
Now showing items 81-100 of 139
-
Development of Biobased Composites of Structural Quality
(North Dakota State University, 2015)Highly biobased composites with properties and costs rivaling those consisting of synthetic constituents are a goal of much current research. The obvious material choices, vegetable oil based resins and natural fibers, ... -
Dried Distillers Grains With Solubles as a Multifunctional Filler in Wood Particleboards
(North Dakota State University, 2015)Dried Distillers Grains with Solubles (DDGS) has been investigated for its use as a functional filler in wood particleboards bonded with Melamine Urea Formaldehyde. Both the concentration of the DDGS filler – 5, 10, and ... -
Experimental Use of Hydrogen to Reduce the Consumption of Carbon Fuels in a Compression Ignition Engine and Its Effect on Performance
(North Dakota State University, 2016)As part of an effort to find use for electric energy produced by wind turbines, Basin Electric started a program to produce hydrogen through electrolysis. It is not enough to simply produce hydrogen, there needs to be uses ... -
Stress-Function Variational Methods for Stress Analysis of Composite Laminates and Adhesively Bonded Composite Joints
(North Dakota State University, 2015)Adhesively bonded composite joints (ABCJs) have been broadly used to connect multimaterials and show their structural and economic advantages compared to traditional bonding methods. However, robust methods are still ... -
Examination of the Impact of Helmets on the Level of Transferred Loads to the Head Under Ballistic and Blast Loads
(North Dakota State University, 2015)The main causes of human Traumatic Brain Injuries (TBIs) in war zones are ballistic impacts and blast waves. While understanding the mechanism of TBI and the brain injury thresholds are in urgent needs, efficiency of helmets ... -
Optimized Evaluation of Bone Tissue Material Properties by Inverse Finite Element Analysis and Femur Fracture Testing
(North Dakota State University, 2015)The main objective of this research is to characterize bone inhomogeneous elastic, yield, and post-yield behaviors, using a computational-experimental approach. The current study uses the force-displacement results of one ... -
Characterizing the Operation of a Dual-Fuel Diesel-Hydrogen Engine near the Knock Limit
(North Dakota State University, 2014)A CAT C6.6 turbocharged diesel engine was operated in dual-fuel diesel-hydrogen mode. Hydrogen was inducted into the intake and replaced a portion of the diesel fuel. Hydrogen was added across multiple engine speeds and ... -
The Dynamics of Viscous Droplets near Micro-Patterned Solid Surfaces in Creeping Flow
(North Dakota State University, 2014)The interaction between droplets and solid surfaces is of great importance in industrial applications, biochemical processes, and fundamental materials research on surface wettability. In this work, a three-dimensional ... -
Mechanical and Tribological Properties of Carbon Nanofiber Reinforced High Density Polyethylene
(North Dakota State University, 2014)High density polyethylene (HDPE) is widely used as a bearing material in industrial application because of its low friction and high wear resistance. Reinforcing polymers with the appropriate nanofillers is an effective ... -
Stress-Function Variational Method for Stress Analysis of Adhesively Bonded Joints
(North Dakota State University, 2014)Recently, adhesively bonded joints (ABJs) has found more rapidly increasing applications in aerospace and aeronautical structures, ground vehicles, and flexible electronics than mechanical fastening and welding technologies. ... -
Modeling and Optimal Control of Curvatures in IPMC's
(North Dakota State University, 2014)There has been a growing number of research activities in the area of using smart materials in day to day lives because of their ability to serve both as sensors and actuators. Ionic Polymer Metal Composites (IPMCs) are ... -
Influence of the Biaxiality Ratio on Multiaxial Fatigue of Metallic Materials
(North Dakota State University, 2014)The ability to model and predict multiaxial fatigue life without being too aggressive or conservative is of great interest to engineers. The purpose of this study was to examine the influence of the biaxiality ratio (σ2/σ1) ... -
Flow Accelerated Organic Coating Degradation
(North Dakota State University, 2014)Applying organic coatings is a common and the most cost effective way to protect metallic objects and structures from corrosion. Water entry into coating-metal interface is usually the main cause for the deterioration of ... -
Characterization of Mechanical Properties in Hybridized Flax and Carbon Fiber Composites
(North Dakota State University, 2013)Natural fiber composites have been found to exhibit suitable mechanical properties for general applications. However, when high strength applications are required, natural fibers are typically not considered as a practical ... -
Evaluation of Mechanical Properties of Al-Cu Cold Sprayed and Alloy 625 Wire Arc Sprayed Coatings
(North Dakota State University, 2014)This study examines microstructural-based mechanical properties of Al-Cu composite deposited by cold spraying and wire arc sprayed nickel-based Alloy 625 coating using numerical modeling and experimental techniques. The ... -
Theoretical Study on Thin Film Dye Sensitized Photovoltaic Solar Cells
(North Dakota State University, 2014)This thesis presents two models of a dye-sensitized solar cell (DSC): diffusion model and electrical model. The main purpose is to investigate interfacial charge transfer and charge transport within the semiconductor/electrolyte ... -
Numerical Simulations of Incompressible and Compressible Transitional Turbine Flows
(North Dakota State University, 2014)Accurate and reliable turbulence and transition models are needed for prediction heating loads in the hot section of the turbine, and predicting aerodynamic losses when designing new blade profiles. Two dimensional ... -
Ultra-Violet Degradation Behavior of Polymeric Backsheets of Photovoltaic Modules
(North Dakota State University, 2014)This study is designed to understand the ultra-violet (UV) degradation of polymeric backsheets used in PV modules. Commercial photovoltaic backsheets from four suppliers were UV-aged for up to 3000 hours. The aged samples ... -
Numerical Simulation of Direct Expansion Solar-Assisted Heat Pump Water Heater Using Carbon Dioxide as Refrigerant
(North Dakota State University, 2013)Compared to the conventional solar-assisted heat pump (SAHP) water heating system, a relatively more compact direct-expansion solar assisted heat pump (DX-SAHP) has been introduced, in which the solar collector acts as an ... -
Dynamics of Compound Droplets via 3D Spectral Boundary Elements
(North Dakota State University, 2013)Compound droplets raise great interests due to their applications in the pharmaceutical, cosmetic, and food industry. In spite of the growing demand of theoretical investigation of dynamics of compound droplets from those ...