Digital Commons Network^™

The Steady-State Response Of A Fluid-Filled Beam Near Resonance, Niranjan Jayantibhai Patel

Masters Theses

"In this report the steady-state near-resonant vibration of a hollow fluid-filled beam is considered. The energy dissipation caused by the beam-fluid interaction is approximated by introducing a viscous damping force into the Bernoulli-Euler beam equation. A theoretical expression is developed for the displacement of the hollow beam by solving this modified Bernoulli-Euler beam equation. Tests are made using a cantilevered fluid-filled box to simulate a unit of beam-fluid length. The band-width technique is used to determine the incremental viscous damping coefficient from test data. A variety of fluids are used in the box to determine the effect of the fluid …

Thermal Stresses And Movements In Bridges, Joseph Charles Reynolds

Masters Theses

"A state of the art regarding the thermal behavior of bridges and considerations to be given to the resultant thermal effects is presented. The results of studies related to the thermal effects on bridges are reviewed. Studies attempting to relate environmental factors to bridge temperatures, and subsequently to bridge movements and stresses, indicate that the task is extremely complex. Some correlation has been made between equations predicting bridge temperatures and movements based on weather bureau records. However, further research is needed to evaluate the effects of factors other than temperature, such as creep, shrinkage, and humidity on bridge movements and …

Effect Of Biological Activity On Pesticide Desorption, Loh-Tien Chiang

Masters Theses

"The purpose of this research study was to investigate the effect of biological activities on the desorption of pesticides from humic acid solids. The pesticides selected in this study are dieldrin and heptachlor, both of which have been commonly used in agricultural applications. The humic acid adsorbent was extracted from a coal-like substance called "leonardite", which has a humus content of as high as 53 percent by weight. The first step of this study involved a proper cultivation of biological culture so that the culture could be adapted to a test environment containing a high concentration of humic acids. The …

Mechanism Of Ual₃ To Ual₄ Transformation, Ling Ping Lee

Masters Theses

"The UAl₄ compound which forms during the peritectic reaction, Liquid + UAl₃ - UAl₄ , has a long needle-like shape and a characteristic morphology of fish-tail when cut along the long axis. It has an internal core of another phase when cut perpendicular to the needle axis. Because of the interesting similarity between UAl₃ and UAl₄ crystal structures, the peculiar UAl₄ morphology could be explained. The mechanism of UAl₃ to UAl₄ transformation is identified as shear and diffusion controlled transformation"--Abstract, page ii.

The Analog Simulation Of Heat Transfer Devices For The Smoothing Of A Fluctuating Fluid Temperature, Le Thai Son

Masters Theses

"Equations are written to describe a heat exchanger with electrical energy input and also a large tank system which can have electrical energy input. The output temperatures were sampled and fedback to define the energy input to the two systems. These systems were simulated on an analog computer and the ability of the two systems to smooth a fluctuating temperature input was tested. The testing of the systems included trying different types of controllers in the control system as well as different size tanks for the tank system. A satisfactory smoothing of the output temperature was demonstrated after some modifications"--Abstract, …

Investigation Of A New Type Of Cloud Condensation Nuclei Counter: The Thermal Quench Chamber, Donald Arthur Hess

Masters Theses

"The design and development of a new type of cloud condensation nuclei counter was undertaken to provide a new laboratory and field instrument that operates on a different theoretical basis than the thermal diffusion chamber now being used by meteorologists and other scientists. In the new instrument the test aerosol is pumped through a tube where it is first humidified and then cooled at constant pressure to create a supersaturation, causing water vapor to condense upon the nuclei in the aerosol sample. The concentration of cloud condensation nuclei is then determined by counting the water drops. The control of temperature …

Structural Test And Analysis Of A Vierendeel Steel And Concrete Composite Girder, Melvin Crews Oestreich

Masters Theses

"The results of the structural load testing of a unique type of steel and concrete composite girder are described. The structural system, referred to as a composite Vierendeel girder, is a hybrid type which incorporates features of a castellated beam and a Vierendeel truss. The performance of the composite girder agreed reasonably well with calculated values based on section properties for a prismatic beam. Observations indicated web stiffeners were required on the stub beams to prevent premature failure of the system. Failure of the girder was due to concrete crushing over a stub web beam. Design considerations for a structural …

The Effects Of Verbal Reinforcement On Three Subtests Of The Wechsler Adult Intelligence Scale, Michael C. Klinnert

Masters Theses

A verbal conditioning study was conducted in order to assess the effect of positive verbal reinforcement on the examinees' verbalization output and/or the individual scaled scores of the Vocabulary, Comprehension, and Similarities subtests of the WAIS. Twenty-seven female volunteer Ss were assigned to either a contingent reinforcement group, a random reinforcement group, or a non-reinforcement control group. A mixed design A.O.V. revealed no significant differences between treatment groups on the individual scaled scores of the subtests. An analysis of covariance for the composite of the three subtests scaled scores was also nonsignificant. A mixed design A.O.V. for the amount of …

The Exploration And Utilization Of Unpredicted Movement In Kinetic Sculpture, Relying On Wind As A Natural Force, Using Metal Rod And Cloth Sails As The Medium, Gary A. Grohmann

Masters Theses

No abstract provided.

A Determination Of The Need For And Content Of A Consumer-Oriented Law Course At The Community College Level, David L. Stapleton

Masters Theses

No abstract provided.

The Illinois Indian Trade 1783-1818, Dennis Downey

Masters Theses

No abstract provided.

Voluntary Control Of Gsr Using Continuous Visual Display And Simultaneous Changes In Other Autonomic Functions, Laurence E. Boyce

Masters Theses

Using 28 male undergraduate university students provided with continuous oscilloscope display of basal skin resistance, this study investigated voluntary control of the GSR and concurrent changes in respiration. It was found, given feedback, subjects could voluntarily raise or lower their GSR. Subjects instructed to increase their GSR (N-14) could do so within the first trial session. However, subjects instructed to decrease their GSR (N-14) required additional practice. With less than 20 minutes of practice all subjects were able to reach a criterion of 2,500 ohms change from their basal level. Subjects increasing their GSR were found to have a significant …

Measurement Of Turbulence In An Annular Jet, George Philip

Masters Theses

"An experimental investigation was conducted for an annular jet which consisted of a circular jet and a concentric wake. The annular air jet mixed with quiescent atmospheric air. The jet velocity was kept constant at 137.0 feet per second which corresponds to a Reynolds Number of 73,200. Using the technique of hot-wire anemometry, mean velocities, turbulence intensities and Reynolds stresses were measured in the longitudinal and lateral directions. Two distinct flow regimes, the free stream jet regime and the diffusing jet regime, are observed. In the free stream jet regime, higher turbulence intensity and shear stress occur in the inner …

Demographic Correlates Of Foreign Affairs Disposition: An Analysis Of Two Elite Groups, Charles R. Burns

Masters Theses

No abstract provided.

The Hemoglobin Of Tubifex Tubifex, Lalitchandra Vrajlal Vora

Masters Theses

The hemoglobin of Tubifex tubifex is found in solution in the blood of the worm in cells as in vertebrates. The binding of oxygen to the hemoglobin can be followed spectrophotometrically. A peak of absorbtion at 540 nm is fairly constant under different condition, while a peak at 575 nm disappears from the spectrum when oxygen is removed. The hemoglobin contains heme, non-heme iron and protein.

Binding of oxygen to the hemoglobin was found to be dependent on the concentration of the hemoglobin, at low concentrations (4.16 x 10^-6 M), oxygen could not be removed from the hemoglobin. Only …

Determinants Of Residential Housing Starts, S. Christopher Baird

Masters Theses

No abstract provided.

Pupil Achievement In The Ninth Grade As Affected By The Instructional Organization Pattern Of School Attended In Seventh And Eighth Grades, A. Lee Shafer

Masters Theses

No abstract provided.

Regulation Q And The Stance Of Monetary Policy, Paul John Plath

Masters Theses

No abstract provided.

The Effects Of Advertising On Inter-Industry Growth Rates, Norman K. Plummer

Masters Theses

No abstract provided.

A Report On The Preparation And Publication Of A Student-Parent Handbook For Oakview Junior High School, District #122, New Lenox, Illinois, Robert K. Jenkins

Masters Theses

No abstract provided.

A Self Evaluation Of Men And Women Resident Assistants Of Eastern Illinois University And A Comparison Of Their Recognized Interactions With Hall Residents, Doris Dunkirk Enochs

Masters Theses

No abstract provided.

The Students' Conception Of The Informational Services Function At The High School Level, Calvin B. Campbell

Masters Theses

No abstract provided.

A Study Of Health Education In The Public Schools And Community Of Tomah, Wisconsin, Bernita Helen Wildes

Masters Theses

No abstract provided.

The Politics Of Henry Fielding: A Whig Journalist And Essayist, Martha Ann Klestinski

Masters Theses

No abstract provided.

American Reaction To The Sovietization Of Poland, Czechoslovakia And Hungary, 1945-1948, Dolores Balent

Masters Theses

No abstract provided.

A Comparison Of Reaction Times Of High And Low Level Fitness Groups Before, During And After Treadmill Exercise, Robert Bruce Bergstrom

Masters Theses

No abstract provided.

A Comparison Of Four Methods Of Soccer Throw-Ins, Joseph Edward Donnelly

Masters Theses

No abstract provided.

Validation Of A Measure Of Aggression, Jack Edward Shook

Masters Theses

The study attempted to validate a questionnaire as a method of measuring aggression resulting from frustration. The method consisted of correlating aggression measured by the questionnaire with aggression produced by an actual frustrating situation. An insult-failure technique was used to produce the frustration during the administration of a bogus aptitude test. Evaluation of the experimenter was the direct expression and measurement of aggression. A control group was used to insure validity of the frustration technique. Eighty six students participated in the study. The correlation was significant for males. The correlation was not significant for females. Males were not more aggressive …

The Effects Of Institutionalization Upon The Self Conceptions Of Nursing Home Residents, Jack D. Nelson

Masters Theses

No abstract provided.

An Empirical Investigation Of Selected Stock Issues In Debate Evaluation, Bill Waggoner

Masters Theses

No abstract provided.