Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 120 for “"experimental measurement"”.
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An experimental measurement of the thermal conductivity of cesium vapor
Thesis: M.S., Massachusetts Institute of Technology, Department of Mechanical Engineering, 1963
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Modeling and Experimental Measurement of Triboelectric Charging in Dielectric Granular Mixtures
… and through experiments that do offer controlled measurement of precise grain charges. These results can be used to develop methods for electrostatic sorting to enable \textit{in situ} resource utilization of silica-based regoliths on airless extraterrestrial bodies. Beginning from a basic …
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Experimental measurement of combustion noise and comparison to a predictive model
… frequency and overall sound pressure level. The experimental data are also compared to a predictive model.
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Theoretical prediction and experimental measurement of micellar solution properties of surfacant mixtures
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1998.
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Experimental Measurement of the Utricle's Dynamic Response and the Mechanoelectrical Characterization of a Micron-Sized DIB
… monolayer. This research developed and used an experimental test setup to characterize the mechanoelectrical characteristics of a micron-sized DIB. This information, along with examples in the text, could be used to further design the aforementioned accelerometer.
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Finite element modelling and experimental measurement of the mechanical properties of Nb3Sn multi-filamentary composite superconducting wires
… testing procedure was developed and extensive measurements of stress-strain curves of particular superconducting wire were made at room temperature and 77 K. The effect of the reaction heat-treatment process on the stress-strain behaviour was investigated and this showed that it would not be …
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A Conventional Theory of Mechanism-Based Strain Gradient Plasticity
… obtained from CMSG agree very well with the experimental measurement.
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Theoretical and Experimental Investigation and Characterizations of Ionospheric HF Communication Channels
… channel has been investigated in theory and by experimental measurement. The channel is addressed from the communication perspective. Signal distortions due to both the deterministic dispersive background ionosphere and random electron density fluctuations are studied.
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Non-uniform emission studies of a magnetron injection gun
This thesis investigates the experimental measurement and theoretical simulation of the effects of azimuthal emission non-uniformity of a 96 kV, 40 amp magnetron injection gun (MIG) used in a gyrotron. The accomplishments of this thesis include: Experimental measurement of the azimuthal emission …
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Development of hybrid particle tracking algorithms and their applications in airflow measurement within an aircraft cabin mock-up
Obtaining reliable experimental airflow data within an indoor environment is a challenging task and critical in studying and solving indoor air quality problems. The Hybrid Particle Tracking Velocimetry (HPTV) system is aimed at fulfilling this need. It was developed based on existing Particle …
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Application of electrical resistance tomography in evaluating the influence of nozzle design on the gas hold-up in boiling bubble column reactors
… modelling, analysis and operation, thus making experimental measurement of system response of special importance. One such measurement technique is Electrical Resistance Tomography (ERT). In this study, the development of an experimental bubble column reactor fitted with 8 rings of 16 electrodes …
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Stability of Field Emitter Arrays to Oxygen Exposures
… cycles. To ensure identical oxygen exposure and experimental measurement conditions, tips on half the area of the FEA were fully coated with gold and the other half were left uncoated. The emission current from the gold coated half was found to degrade much less than that from the uncoated half, …
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Phenomenological Consequences of Heavy Right Handed Neutrinos
… An indirect probe of CP violation is the experimental measurement of Electric Dipole Moment (EDM). CP violation has been discovered in the quark sector,but it contributes to lepton EDM at the 3-loop level. Neutrino masses can be generated in the standard model via the see-saw mechanism …
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DATA-DRIVEN MULTI-SCALE MULTI-PHYSICS MODELLING OF THERMAL STRESS AND DISTORTION IN ADDITIVE MANUFACTURING
… attribution results show good agreement with the experimental measurement and reference.
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Development of an apparatus to measure the thermal conductivity of polymer melts
… heaters provided heat input and temperature measurements were made with calibrated, differential, iron-constantan thermocouples. The thermal conductivity of polyethylene, polystyrene and nylon melts tested increased with increased temperature. The thermal conductivity of the polypropylene …
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A coupled thermal-magnetic finite element model for high frequency transformers
… analysis of an inductor to those obtained by experimental measurement.
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Measurement of Pion-Pion Final State Interactions in η → π +π −γ with CLAS at Jefferson Lab
… to describe these interactions. We report a new measurement of the α parameter which measures the contribution of pion-pion final state interactions to the differential decay width.</p> <p>The data was collected during the g11a run period using the CEBAF Large Acceptance Spectrometer located in …
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Design and Development of High-Frequency Switching Amplifiers Used for Smart Material Actuators With Current Mode Control
… have been verified by prototype design and their experimental measurement results are given.
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Equilibrium Study of the Three Component System Oxalic Acid — Sodium Oxalate — Water at 25°
The experimental measurement of chemical equilibria frequently presents problems of considerable difficulty. In some cases the position of equilibrium may be such that the reaction goes nearly to completion in one direction, resulting in an extremely small concentration of one or more of the …
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