Index Catalog // ScholarsArchive@OSU

Laboratory creep studies on "Pheasant" and "Expanded" aluminum conductors

Creator:: Wilson, Laurence Martin
Resource Type:: Masters Thesis

An application of the Newtonian boundary condition to supersonic jets exhausting into a hypersonic stream

Creator:: Newton, John Francis
Resource Type:: Masters Thesis
Full Text:: difference form. The resulting equation for the streamline along the chord i - 3 is y3-yi=(xa-xi)tan9

An aeroelastic analysis of the Darrieus wind turbine

Creator:: Meyer, Edward Earnest
Abstract:: The stability of small oscillations of the troposkeinshaped blade used on Darrieus wind turbines is investigated. The blade is assumed to be attached to a perfectly rigid rotor shaft and spinning in still air. Linear equations of motion are derived which include the effects of in-plane, out-of-plane, and torsional stiffness,...
Resource Type:: Dissertation
Full Text:: function of time and the position on the blade. In component form y(s,t) = yi(s,t)xl + y2(s,t)x2 + y3(s,t

Robust lateral pulse jet control of an atmospheric rocket

Creator:: Burchett, Bradley Thomas
Abstract:: Uncontrolled direct fire rockets exhibit high impact point dispersion, even at relatively short range, and as such have been employed as area weapons on the battlefield. In order to reduce the dispersion of a direct fire rocket, feedback control is employed to fire short-duration solid rocket pulses mounted near the...
Resource Type:: Dissertation

Model based visualization of vibrations in mechanical systems

Creator:: Jitpraphai, Thanat
Abstract:: To visualize vibrations in mechanical systems, e.g., machine tools, their movements are measured by means of suitable sensors. The signals from these sensors are processed and displayed as animated pictures on a computer screen. Accelerometers have been chosen as the most suitable sensors for this purpose. Their main advantages include...
Resource Type:: Masters Thesis
Full Text:: axes, respectively er Or yi, = rotations of the dynamometer's base around X, Y and Z axes

The effect of vacuum annealing on the impact properties of structural steel plate

Creator:: Gwin, George Andrew
Resource Type:: Masters Thesis
Full Text:: these data used as the basis of desl.n lu the past have been based upon the stafldard tensile test

Three-dimensional, nonlinear viscoelastic analysis of laminated composites : a finite element approach

Creator:: Wang, Min
Abstract:: Polymeric composites exhibit time-dependent behavior, which raises a concern about their long term durability and leads to a viscoelastic study of these materials. Linear viscoelastic analysis has been found to be inadequate because many polymers exhibit nonlinear viscoelastic behavior. Classical laminate theory is commonly used in the study of laminated...
Resource Type:: Dissertation
Full Text:: and Yi presented a similar analysis for generalized plane-strain conditions (Lin, K.Y. and Yi, S

Fatigue life, fatigue crack propagation and fracture toughness study of 7075 aluminum alloy subjected to thermomechanical processing

Creator:: Lee, Moon H. (Moon Hee), 1949-
Abstract:: Due to its high strength/weight ratio, 7075 aluminum alloy has been widely used as an aerospace material. However, it has relatively low fatigue strength and low fracture toughness in the T6 condition. Thermomechanical processing, including pre-cyclic loading and stretching at high and ambient temperatures, has been investigated with the aim...
Resource Type:: Dissertation
Full Text:: developed during cyclic loading. Lu and Weissman [35] found recently that cyclic deformation before aging

Dynamic modeling, control aspects and model predictive control of a parafoil and payload system

Creator:: Slegers, Nathan J.
Abstract:: Control issues are investigated for a parafoil and payload system with left and right parafoil brakes used as the control mechanism. It is shown through dynamic modeling and simulation that parafoil and payload systems can exhibit two basic modes of lateral control, namely, roll and skid steering. Using a small...
Resource Type:: Dissertation
Full Text:: simulation. RESULTS The system of equations given in Equation 4 is solved using LU decomposition and the

A product development process measurement methodology applied to small manufacturing companies

Creator:: Schlegel, Stephen C.
Abstract:: The implementation of concurrent engineering into many large companies has greatly improved their product development processes. These companies have seen significant gains in quality and customer satisfaction with reduced product costs, defects, and time-to-market (Lake, 1992). Many large companies have successfully employed this relatively new product development philosophy. However, smaller...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Laboratory creep studies on "Pheasant" and "Expanded" aluminum conductors

An application of the Newtonian boundary condition to supersonic jets exhausting into a hypersonic stream

An aeroelastic analysis of the Darrieus wind turbine

Robust lateral pulse jet control of an atmospheric rocket

Model based visualization of vibrations in mechanical systems

The effect of vacuum annealing on the impact properties of structural steel plate

Three-dimensional, nonlinear viscoelastic analysis of laminated composites : a finite element approach

Fatigue life, fatigue crack propagation and fracture toughness study of 7075 aluminum alloy subjected to thermomechanical processing

Dynamic modeling, control aspects and model predictive control of a parafoil and payload system

A product development process measurement methodology applied to small manufacturing companies

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