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Browsing Physics by Author "Askew, Thomas R., 1955-"
Now showing items 1-20 of 51
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Acoustic Modeling of a 400 Seat Lecture Hall
(2013)Classroom acoustics are very important to students and professors alike. The ability to convey speech is very important to both speaker and listener. A room with poor acoustics can hinder learning. This study examines the ... -
Adaptation of a Dynamic Muscle Mechanics Model to Simulate Movement in Young and Old Adults
(1998)The project I participated in involved the development of a direct-dynamics model to realistically simulate human movement. The model consisted of a multi-segmented representation of the body with Hill-type musculo-tendon ... -
Advanced Brazing Methods for Assembly of Superalloy Based Parts
(2013)René 108 is a nickel-based superalloy commonly used in gas turbines and other applications where high mechanical strength is need at high temperatures. Wide-gap brazing is commonly used to repair in-service parts to extend ... -
Alternative Methods for Ultrasonic Welding of Advanced Thermoplastic Composites
(2022-11-01)The fusion bonding of advanced thermoplastic composites has a variety of applications in aerospace, automotive, medical, consumer electronics and energy markets. High-power ultrasonic welding is a state-of-the-art manufacturing ... -
Analysis of Feasibility of Thermoforming Ceramic Tapes
(2001)Ceramics are versatile materials used in art, utilities, homes, and technology. Tape casting, a relatively new method of forming ceramics, includes a polymeric binder, which gives it properties similar to a flat polymer ... -
Atomic Force Microscopy Analysis of the Striated Muscle Molecule Titin
(2004)The following study involves the use of a molecular force probe (MFP) to explore the mechanical behavior of a protein found in vertebrate striated muscle. The two topics of primary concern are the generation of passive ... -
Characterization & Analysis of the Magnetic Field of a Halbach Array and Its Utilization in Flywheel Energy Storage
(1996)The development of High Temperature Superconductors (HTS) has resulted in the production of highly efficient magnetic bearings with frictional losses several hundred times lower than losses which occur in bearings where ... -
Characterization and Analysis of Magnetic Fields of Multiple Piece Levitation Magnets used in Flywheel Energy Storage Systems
(1995)Superconducting magnetic bearings are being used in energy storage systems because they have little to no frictional losses, and therefore have high energy storage efficiencies. Any frictional losses that do occur are ... -
Characterization of PrIr4Sb8Sn4 Using X – Ray Diffraction
(2019)Crystals of a previously unknown type with the composition PrIr4Sb8Sn4 were grown using methods that are described. An initial attempt to determine the crystal structure was made using small crystals and x-ray diffraction ... -
Construction and Calibration of an AC Susceptometer for Investigation of the Magnetic Exchange Interactions of Binuclear Cobalt(II) and Nickel(II) Macrocyclic Compounds
(1997)An AC Susceptometer was constructed and calibrated. It was able to reproducibly measure susceptibility in the temperature range from 10 -300 K. It was used to measure the susceptibility of a series of binuclear macrocyclic ... -
Critical Current Determination in High-Quality YBCO Rings for Application in a Fault Current Limiter
(2001)The first section of this work is an introduction to basic properties of superconductors and the theory of operation of a superconducting fault current limiter (FCL). The set of experiments described in the subsequent ... -
Cryostat Chamber Construction
(2005)This project describes the steps taken in constructing a cryostat chamber for use in hightemperature superconductor research. The paper begins with a small introduction describing the history of superconductor research ... -
Design and Construciton of a Photodiode-Based Passive Spectrometer
(2005)The use of passive spectroscopy to determine electron temperatures is well documented and has the important benefit of being noninvasive. The use of line intensities in particular is important because other spectrographic ... -
Detecting the Onset of Swelling in High Temperature Ceramic BiSrCaCuO Superconductors during Sintering
(1993)Superconductors are electrical conductors that have the property of carrying large amounts of current at very low temperatures (around 5-10K). These materials must undergo an intensive heating process called sintering that ... -
Development of More Efficient Fluid Catalytic Cracking Nozzles
(1996)Since the turn of the century, oil refining has been a critical industry worldwide. The continuing importance and depleting resources create the need for constant research and development in all areas of the process. One ... -
The Effects of Sample Microstructure and Radiation Induced Defects on the Electrical Dissipation Properties of Yttrium-Barium-Copper-Oxide
(1996)This paper begins with a general introduction to some of the properties of superconductors. A discussion of the theory of high temperature superconductivity will be omitted because the scientific community is still unsure ... -
Effects of Sterilization on the Physical Properties of an Elastin Biomaterial
(2000)The development of biomaterials for medical use requires the absolute sterility of the product as well as reliable product integrity and function. The development of biomaterials is a meticulous process in which the ... -
Electric Load Shifting Using Ice Bank Thermal Energy Storage : Evaluation of System at Kalamazoo College from 1995 to 2013
(2013)This study examined the performance of a Thermal Ice Bank Storage System installed at Kalamazoo College in 1995. Using detailed weather data and energy consumption data, cost savings were estimated for 2009 through 2012. ... -
Electrical and Microstructural Properties of Bi-Sr-Ca-Cu-O Superconductors
(1992)This paper begins with some general statements about the uses and history of superconductors. A detailed explanation of the theory of superconductivity has been omitted though some brief empirical characteristics are ...
