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 24 for “"Energy Measurement"”.
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An intelligent energy measurement system
Energy efficient buildings are becoming popular nowadays thanks to the increase of energy costs and to the ongoing awareness on the subject. In this research, a system which measures the steady state heat loss coefficient of a residential building was built. Part of this research involved the …
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Force and Energy Measurement of Bubble-Particle Detachment
… of attachment and the energies involved. Direct measurements of bubble particle detachment were performed using a hanging balance apparatus (KSV Sigma 70 tensiometer) and using a submerged hydrophobic plate in water. Three experiments were used; direct force measurement of bubble-particle …
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MISSING TRANSVERSE ENERGY MEASUREMENT IN ATLAS DETECTOR:FIRST LHC DATA RESULTS AND IMPORTANCE FOR PHYSICS STUDY
… end of November 2009, first at a centre-of-mass energy of 900 GeV, then, since March 2010, at 7 TeV. During this period the ATLAS experiment has collected a large number of proton-proton collision events, resulting up to now in an integrated luminosity of about 45 pb−1 . miss A very good …
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The development of an on-chip-metering solution
Energy Measurements Ltd (EML), a joint venture partnership between Siemens and Spescom, manufacture prepaid electricity utility meters for both the local and international markets. Under the brand name CASHPOWER 2000, EML produces single and polyphase prepayment utility meters. Currently, these …
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Energy Measurements of High Performance Computing Systems: From Instrumentation to Analysis
Energy efficiency is a major criterion for computing in general and High Performance Computing in particular. When optimizing for energy efficiency, it is essential to measure the underlying metric: energy consumption. To fully leverage energy measurements, their quality needs to be …
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Precision measurement of electron and positron flux in cosmic rays with the AMS-02 Detector
The cosmic ray electron and positron flux measurement can address a series of astrophysics and particle physics questions. This thesis presents an analysis of electron and positron flux from 0.5 GeV to 1 TeV using the first 30 months of data taking( over 41 billion events), with the AMS-02 detector …
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Proof of concept data logger for non-active power
… which is able to meet the requirements of power measurements, such as those for non-active power, that need relatively high frequency, simultaneous sampling. An Analog Devices ADE7878 energy measurement IC is used for measurement of a three phase system instantaneous voltage and current. A …
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Radiation damage quantification in elemental copper using Wigner energy storage
… and measurably by characterizing the storage of energy in radiation-induced material defects, known as Wigner energy storage. In order to gain an atomistic understanding of radiation damage, the irradiation and calorimetry of elemental copper were simulated using molecular dynamics code. A custom …
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Circuitos digitais e mistos CMOS com aplicação em medidor de energia
… digital and mixed CMOS integrated circuits for energy meters is required in applications where energy measurement systems are installed with fast processing and low power consumption. The great challenge is to understand its operation and investigate topologies and/or design methodologies that …
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Surface properties of poly(bisphenol-A-carbonate)
… forms the basis of the surface free energy measurement technique. Stringent temperature control and accurate temperature monitoring during thermal annealing is an essential feature of this technique. A surface free energy of approximately 0.121 J m<sup>-2</sup> (121 ergs …
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On the electrolytic nature of molten aluminum and rare earth oxides
… cell method and its application for Gibbs energy measurement in high temperature, concentrated ionic melts was investigated. Previous challenges related primarily to signal interpretation during decomposition voltage measurement have hindered determination of Gibbs energy. An electrolytic …
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Diversity, Dynamics and Domestic Energy Demand : A Study of Variation in Cooking, Comfort and Computing
… contributes to an understanding of domestic energy demand and its basis in social practice. To date, energy consumption and everyday life have mostly been characterised and connected, if at all, through general trends. Yet attention to diversity within everyday practices, and to the diverse …
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ON THE CONTROL OF OPEN QUANTUM BATTERIES
… mitigation, dynamical shortcut engineering, and measurement optimization, with broad applications in quantum metrology, quantum state engineering, quantum computation, and quantum thermodynamics. In this thesis, we investigate how measurement-based quantum control protocols can enhance the …
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SOLAR MODULATION OF GALACTIC COSMIC RAYS: TECHNIQUES & APPLICATIONS (SHOCK ACCELERATION, ANTIPROTONS)
… cycle; and the hysteresis between low and high-energy cosmic rays.</p><p>The second section contains an attempt to explain recent observations which show that cosmic-ray electrons are returning to higher intensities, characteristic of solar minimum, faster than cosmic-ray protons of about the …
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Using Maximally-Flat and Genetic Algorithm Solutions to Achieve Wideband Radar Cloaking
… wave absorbing and radar cloaking systems, and measurements of ambient RF energy in four Duke buildings to gauge the feasibility of harvesting energy from RF band.</p><p>The first part of introduction provides a short recap of radar, electromagnetic wave absorbers, and its equivalence to …
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A Line is a Brea(d)thless Length: introducing the physical act of running as a form of drawing
… means to explore duration, expenditure of energy, measurement and time, in relation to practices of performance and drawing. The examination of these artists’ works is provided to inform an investigation of physical processes of drawing through performance practice. My inquiry also Ieads to …
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Energy transfer and grain size effects during the Standard Penetration Test (SPT) and Large Penetration Test (LPT)
… of a reliable means of determining transferred energy. Further, the use of LPT blow counts is generally limited to calculation of equivalent SPT blow counts using correlation factors measured in sands. Variation of LPT blow counts with grain size is assumed to be negligible. This research shows …
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Transition-Edge Sensors for Electron Spectroscopy
… capable of both radiative flux and single photon measurements. TESs have found a number of applications including astronomical photon measurements, neutrino mass measurements and in the search for dark matter. Despite this versatility, the use of TESs as massive particle spectrometers has received …
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High-Performance CMOS Front-End ASICs for SiPM Detectors and High-Frequency Ultrasound and Photoacoustic Imaging
… photon detector, has been widely used in high energy physics, positron emission tomography imaging, and light detection and ranging applications. The slow-rising edge of standard SiPM signal, however, makes the timing measurement sensitive to noise and leads to poor timing resolution. Besides, …
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Low-power System-on-Chip Processors for Energy Efficient High Performance Computing: The Texas Instruments Keystone II
… Performance Computing (HPC) community recognizes energy consumption as a major problem. Extensive research is underway to identify means to increase energy efficiency of HPC systems including consideration of alternative building blocks for future systems. This thesis considers one such system, …
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