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  • Shocks and Awe : Damping Selection in Racecars to Maximize Grip

    Creator:
    Takaro, Trevor M. F.
    Abstract:
    This thesis covers the use of a quarter car model to select damping rates for aFormula Student (FS) car, focusing on minimizing vertical tire force variation to improvegrip. A 2 degree of freedom (DOF) quarter car model is cycled over the road frequenciesof interest and the results compared with the...
    Resource Type:
    Masters Thesis
    Full Text:
    the use of a quarter car model to select damping rates for a Formula Student (FS) car, focusing on

  • Practical application of steady-state 6-DoF aerodynamic model for vehicle system loads analysis

    Creator:
    Torris, Connor J.
    Abstract:
    This work develops the Global Formula Racing computational fluid dynamics (CFD) model in StarCCM+ to allow for vehicle attitude studies to be ran to evaluate Formula Student (FS) vehicle aerodynamic loads. Attitudes that this model allows to be studied include roll, pitch, yaw, heave, tire angle, and vehicle speed. The...
    Resource Type:
    Masters Thesis
    Full Text:
    allow for vehicle attitude studies to be ran to evaluate Formula Student (FS) vehicle aerodynamic

  • A force plate for measuring contact forces during dependent transfers onboard aircraft

    Creator:
    Schafer, Christopher A.
    Abstract:
    The transfer of air travelers with disabilities between a mobility aid and an aircraft seat is a major source of injury for both the travelers and the airline personnel assisting in the transfer. The risk to both parties might be reduced through the biomechanical study of the transfer task. Such...
    Resource Type:
    Masters Thesis
    Full Text:
    protect them from damage. Testing of the force plate found a normal force magnitude accuracy of 0.19 %FS

  • Experimental study of subcooled water spray cooling using flow symmetric micro-structured surfaces

    Creator:
    Tulchinsky, Alex M.
    Abstract:
    Spray impingement cooling has been shown to be a leading candidate for future high heat flux cooling applications. In general, spray cooling curves consist of three heat flux regimes; single-phase, two-phase and critical heat flux (CHF). CHF is considered the design limit for almost all two-phase cooling applications, as a...
    Resource Type:
    Masters Thesis
    Full Text:
    Droplet Image at k = 0 For ‘fs’ Surface………….……………………………88 7.18 Image After Edge Detection

  • Modified linear theory and Kalman filtering for in flight projectile impact point prediction

    Creator:
    Hainz, Leonard C.
    Abstract:
    A method for real time in-flight prediction of the ground impact point of an indirect fire projectile is investigated. The method investigated is comprised of a combination of an impact point predictor and an extended Kalman filter state estimator based on modified linear theory. The modified linear theory model is...
    Resource Type:
    Masters Thesis
    Full Text:
    >ss) + cvss sin(ss)) w(s) = Cwo + eO"FS (Cwfc cos( Fs) + cwf< sin( Fs)) + eass (Cwsc cos

  • Integrated forward light scattering as a measure of aerosol mass concentration

    Creator:
    Tomine, Chris Shinya
    Abstract:
    A mathematical model was developed that relates the ratio, R, of two light flux measurements to the mass concentration, m, of the atmospheric aerosol particles between a source of parallel light (e.g., the sun) and the measuring system. R is defined as the ratio of the light fluxes passing through...
    Resource Type:
    Dissertation
    Full Text:
    integration for determining fs. 26 5. Angular variation of the parameter n(A,e) for v = 3.0. 8 20 6

  • A computer imaging method for fluid motion studies in metal casting

    Creator:
    Poland, John H.
    Abstract:
    Significant reductions in the number of defects in parts produced by investment casting can be obtained by improving the flow of the molten metal during pouring. Studies have been done at Oregon State University with simulated casting techniques to determine optimal mold configurations. Better mold layouts have been shown to...
    Resource Type:
    Masters Thesis
    Full Text:
    turbulence FVB Few Visible Bubbles SW Swirl SERIOUS 100 points each HT Heavy Turbulence FS Flow Separation

  • Heat transfer in magnetic fluids at low Reynolds number

    Creator:
    Choi, Sang Hyouk
    Abstract:
    This study was concerned with the flow of a magnetic self-propelled ferrohydrodynamic fluid in a horizontal circular tube subjected to axially varying temperature and magnetic field. The first phase of the study involved the analytical solution to the governing equations for the velocity and temperature profiles within the fully developed...
    Resource Type:
    Dissertation

  • Optimization Across Decomposition : A Multiagent Model of Collaboration in Decomposed System Design

    Creator:
    Hulse, Daniel E.
    Abstract:
    Complex engineered systems design is a collaborative activity. To design a system, experts from the relevant disciplines must work together to create the best overall system from their individual components. This situation is analogous to a multiagent system in which agents solve individual parts of a larger problem. Current multiagent...
    Resource Type:
    Masters Thesis
    Full Text:
    . . . . . . . . . . . . . . . . . . . . . . . . . 69 LIST OF ALGORITHMS Algorithm Page 1 Control Flow for Merit Update and Rewards

  • Mechanics and Dynamics of Low Frequency Vibration Assisted Machining

    Creator:
    Eren, Bora
    Abstract:
    This thesis presents mechanics and dynamics of Low Frequency Vibration Assisted Turning (LFV-T). First, a mechanistic model for analytical cutting force and specific cutting energy prediction is presented. Kinematics of the process is used to analyze the cut surface topography and derive the uncut chip thickness variation for various modulation...
    Resource Type:
    Masters Thesis
    Full Text:
    ). .......................................... 4 Figure 2.2. Tool trajectory during MAM. Workpiece diameter d, fs = 3 Hz, fm = 10.5 Hz, h0