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Now showing items 41-60 of 334
Horizontal zinc oxide nanomaterials growth and their application for surface enhanced raman scattering
(University of Missouri--Columbia, 2008)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Nanonecklace (NNs) or nanochains (NCs), aligned nanoparticles (NPs) in straight or curled shape, have been demonstrated using metals, silicon, silicides, ...
Investigation into the pool-boiling characteristics of gold nanofluids
(University of Missouri--Columbia, 2007)
The use of nanofluids as a heat transfer fluid has drawn considerable attention recently. Within the last five years, work investigating the pool-boiling of these fluids has increased dramatically. However, they have ...
Parametric and optimal design of modular machine tools
(University of Missouri--Columbia, 2007)
Over the years machine tools for manufacturing have developed into two classes. One is the general purpose machine tools, and the other is designed for machining large quantities of a specific part or process. These ...
Development of tailored preform processing technology for net-shape manufacturing of large monolithic structures
(University of Missouri--Columbia, 2007)
The aim of the present research effort involves exploration of a new processing approach, "Tailored Preform Processing (TPP)" technology for net-shape manufacturing of monolithic structures for the transportation industry. ...
Heat transfer enhancement of vapor condensation heat exchanger
(University of Missouri--Columbia, 2017)
A typical vapor condensation condenser consists of two major heat transfer processes, i.e., vapor condensation and forced convection. In order to enhance heat transfer, the condensation heat transfer utilizing the porous ...
Enhancement of the cooling performance of microchannel heat sinks
(University of Missouri--Columbia, 2016)
In this report, four different strategies to enhance the cooling performance of a micro pin fin heat sink are investigated and their effect to improve its cooling efficiency are examined. The employment of nanoparticles ...
A parametric study of a curved nuclear fuel plate in a narrow channel using numeric fluid structure interaction modeling
(University of Missouri--Columbia, 2017)
In 2004 the Global Threat Reduction Initiative (GTRI) was established by the National Nuclear Security Administration (NNSA) to quickly identify, secure, remove and/or closely monitor nuclear and radiological materials ...
Hybrid thermoelectric ejector - refrigeration system
(University of Missouri--Columbia, 2017)
A mathematical model is developed to predict the refrigeration performance of an ejector powered by waste energy from a thermoelectric cooler. The model is based on constant pressure mixing process and considers the effect ...
Characterization of the Embolisher, a device for cerebral embolic protection
(University of Missouri--Columbia, 2016)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Trans-catheter aortic valve implantation (TAVI) is a new, minimally invasive solution to replacing diseased aortic valves. However, some of residual ...
Heat and mass transfer of ambient air flowing over cold fins
(University of Missouri--Columbia, 2016)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Moisture condensation takes place as ambient air is contacting a surface with a temperature lower than the dew point. In the current investigation, a ...
Fabrication & testing of PCM impregnated drywalls for thermal energy storage
(University of Missouri--Columbia, 2016)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] This research illustrates the fabrication and thermal behavior of gypsum drywall containing phase change materials (PCMs), which could be used in the ...
Evaluation of modulus of polycaprolactone fused deposition modeling 3D printed tissue scaffolds
(University of Missouri--Columbia, 2016)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Damage to the articular surface of the knee is a fairly common injury. In one study of 31,516 knee arthroscopies 61% of the patients featured chondral ...
Investigation of high strain rate properties of graphene reinforced aluminum foam under varying temperature
(University of Missouri--Columbia, 2018)
Closed cell aluminum foam is a unique type of lightweight metal that is able to sustain considerable deformation under a nearly constant stress known as plateau stress. Under dynamic loading, aluminum foams are good energy ...
Total hemispherical emissivity of reactor pressure vessel candidate materials : SS 316 L, SA 508, and A 387 Grade 91
(University of Missouri--Columbia, 2018)
Future nuclear Reactor Pressure Vessels (RPV) require high emissivity materials and alloy for efficient heat decay removal under normal and accidental events. Emissivity is the material property that determines the heat ...
Imaging-based customization of lattice structures for biomedical applications
(University of Missouri--Columbia, 2019)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Synovial joints can provide movement and articulation, however, with overuse, aging, and trauma, joint replacement surgeries may be needed. Commercially ...
Theoretical analysis of heat and mass transfer processes in an evaporative cooling system with zeolite desiccant powered by solar energy
(University of Missouri--Columbia, 2018)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Concerns about energy sources depletion and environmental pollution issues have been raised and is a top priority of the global community. Refrigeration ...
Sensitivity analysis and optimal design of conventional and magnnetorheological fluid brakes
(University of Missouri--Columbia, 2018)
Mechanical and electrical brakes have dominated the braking industry for many years and will most likely continue to do so for the foreseeable future due to their low cost and adequate operating performance, wide range of ...
Development of an experiment for investigating the magnetohydrodynamic richtmyer-meshkov instability
(University of Missouri--Columbia, 2019)
Collaboration by some of the world's brightest minds of the 21st Century pinpointed fourteen Grand Engineering Challenges that face humankind today. At the top of this list is "Provide Energy from Fusion"; a requirement ...
A new lumped parameter model for coronary blood flow, using nondimensional analysis
(University of Missouri--Columbia, 2019)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] The studies of the coronary circulation hemodynamics are of great importance due to the high mortality and morbidity associated with coronary diseases. ...
Thermal characterization and scaling of a nanodielectric composite for use in compact ultra-high voltage capacitors
(University of Missouri--Columbia, 2019)
The University of Missouri has been developing compact capacitors for use in high voltage, pulsed power and directed energy applications. The capacitors are made from a proprietary nanodielectric, MU100, which is a ...