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Now showing items 11-20 of 142
Steady State and Transient Response Characteristics of Commercial Non-Dispersive Infrared Carbon Dioxide Sensors
(2014-03-31)
Non-dispersive infrared CO2 sensors are well established and are commonly used
to provide demand control ventilation for commercial buildings. The aviation industry
has shown potential interest in adapting these sensors ...
Effects of Microstructure on Fracture Behavior of Hydrogenated Notched 4340 Steel: A Quantitative Study
(2014-04-28)
Hydrogen based fuel has been identified as a promising alternative to fossil fuel to reduce the emission of greenhouse gases and to enable sustainable energy supplies worldwide. In spite of such promising applications of ...
Synthesis and Characterization of Nanostructured ZnO and SnOx for VOC Sensor Devices
(2011-11-22)
In this dissertation, nanostructured ZnO and SnOx with various forms of thin films, particles and rods were deposited and synthesized by combination of sputtering, thermolysis assisted chemical solution method, and/or dc ...
Development of Acoustic Wave Devices to Characterize Viscosity and its Nonlinearity
(2011-07-29)
Fluid has many physical properties, such as conductivity, density, heat capacity, surface tension, thermal conductivity and viscosity. Viscosity is one of the most important physical properties of fluid, and it needs to ...
Measurements of the thermal expansion and heat capacity of metals by electromagnetic levitation
(2009-02-23)
Electromagnetic levitation is a very useful non-contact melting technique that can be exploited for measurements of thermophysical properties of many reactive metals and alloys. This study focused on thermal expansion and ...
Numerical simulation and mechanical properties of free-standing silver thin films
(2009-02-23)
Membrane deflection test is well studied to investigate the mechanical properties for polycrystalline metal thin films. Numerical simulations by ANSYS software of membranes with different bottom window sizes show the ...
Development and Study of Phage-Coated Magnetoelastic Biosensors for the Detection of Bacillus Anthracis Sterne Spores
(2009-02-23)
Bacillus anthracis spores have long been recognized as biological warfare agents because of their ability to cause mortality in humans and their long life under unfavorable environments. The early detection of Bacillus ...
Interactions between SOFC Interconnect Spinel Coating Materials and Chromia
(2012-12-05)
The SOFC technology has been developed toward lower operation temperature in the range of 500C - 800C, which brings wider materials choice for the interconnect. Ferritic stainless steels have been widely used as SOFC ...
Development of Bulk-scale and Thin Film Magnetostrictive Sensor
(2008-09-09)
Three key areas were investigated in this research. These are: (1) finite element
modeling using modal analysis to better understand the mechanics of longitudinal
vibration system, (2) thin film material Young’s modulus ...
The Effect of State of Charge and Charge Rate on the Formation and growth Deposit Layer on the Anode Electrode of the Lithium Ion Battery
(2014-12-09)
The lithium ion battery technology has for the past two decades received a lot of attention because of its high energy density and excellent cycle life compared to other battery chemistries such as lead acid and Ni-Cd. ...