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Now showing items 11-20 of 44
Analytical and experimental investigations of a labyrinth seal test rig and damper seals for turbomachinery
(Texas A&M University, 1997)
Rotating shaft seals, such as labyrinth seals, are used in high speed turbomachinery including aircraft gas turbine engines and industrial centrifugal compressors. Analysis, design, and testing of a non-rotating cantilever ...
Effects of initial conditions on Rayleigh-Taylor mixing development
(Texas A&M University, 1997)
This thesis describes an experimental study of the effect of an initial disturbance on the development of Rayleigh-Taylor mixing. The experimental apparatus is a flow channel in which a heavy fluid is placed above a light ...
Active vibration isolation of a simulated engine response
(Texas A&M University, 1997)
Vibration isolation is prevalent in many industrial applications. In the automotive industry two factors arise amidst many others . cost and mass reduction. As these factors are implemented in the design of the modem ...
Integration of angular rate sensors for line of sight stabilization systems
(Texas A&M University, 1997)
Line of sight stabilization systems are common in tracking systems that are carried aboard host vehicles. For these systems, accurate knowledge of angular rates in the tracking system is needed for good performance. Angular ...
Turbulent mixing in ducts, theory and experiment application to aerosol single point sampling
(Texas A&M University, 1997)
The Environmental Protection Agency (EPA) has announced rules for continuous emissions monitoring (CEM) of stacks and ducts in nuclear facilities. EPA has recently approved use of Alternative Reference Methodologies (ARM) ...
Failure modes and design optimization for re-usable corrugated cases
(Texas A&M University, 1997)
The objective of this thesis is to study and analyze the distribution and usage of reusable corrugated cardboard cases in the delivery of the product within the Frito-Lay system. The studies conducted looked at the various ...
The effects of marine microorganisms on the mechanical properties of graphite/epoxy composites
(Texas A&M University, 1997)
The petroleum industry has expressed much interest in using tension leg platform for drilling at ocean depths of 2000 meters and deeper. However, due to the tremendous weight sensitivity of the platform, Polymeric composites ...
Computational analysis of spiral groove thrust bearings and face seals
(Texas A&M University, 1997)
Analyses for incompressible and compressible spiral groove thrust bearings (SGTBS) and face seals (SGFSS) are presented. A successive approximation linearizes the partial differential equation of pressure that arises in ...
Low speed control of a DC motor driving a mechanical system with fuzzy adaptive compensation
(Texas A&M University, 1997)
A fuzzy adaptive feedforward control scheme in conjunction with classical feedback control is proposed for the low speed control of DC motors driving mechanical systems in the presence of friction. In the fuzzy adaptive ...
Experimental rotordynamic coefficient results for: (a) a labyrinth seal with and without shunt injection and (b) a honeycomb seal
(Texas A&M University, 1997)
Centrifugal compressors are increasingly required to operate in higher pressure, higher speed, and large fluid density. In these conditions, compressors are susceptible to rotordynamic instabilities. To avoid this situation, ...