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 14 of 14 for “"Electric resistance."”.
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Techno-economic analysis and life cycle assessment of a novel air-sourced high-temperature heat pump with hourly resolution
… increasingly relevant in the energy transition, electrically-driven technologies offer the potential to decarbonize industrial heat currently produced by natural gas combustion. By upgrading heat, high-temperature heat pumps offer a competitive solution with higher emissions reduction potential …
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Cooking system interactions: compatibility of energy source and container material
… The energy sources used include: conventional electric coil, gas flame, induction, solid element, and electric resistance coil under glass-ceramic. The container materials investigated include: thin gauge aluminum, heavy gauge aluminum, glass-ceramic, thin gauge porcelain-on-steel, and heavy …
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Evaluating the Mechanical Properties and Fracture Behavior of Welded-Wire Reinforcement Using Tension and Charpy Tests and Sub-Size Charpy Corrections
… of the heat-affected zones created at the electric-resistance welds raises concerns regarding the mechanical behavior at the welded connections. To evaluate the fracture behavior of WWR meshes, an experimental program was developed involving tensile and Charpy V-notch (CVN) specimens …
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Energy loss to the soil surrounding a below-grade solar energy storage pond
… pond. The water in each pond was warmed with an electric resistance immersion heater. The power consumed by each heater was metered. The uninsulated (control) pond was more thoroughly instrumented with thermocouples than were the other three ponds. These thermocouples provided data that were used …
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Strain-deflection relationships of freely vibrating wood beams
… investigators have sensed floor vibrations with electric resistance strain gauges bonded to the underside of the floor joists. These experiments using strain gages as vibration sensing devices resulted in a need to be able to determine the vibration amplitude (or deflection) from strain vibration …
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Calculation of electrical conductivity and electrothermal analysis of multilayered carbon reinforced composites: application to damage detection
During this thesis, it has been proved that the electrical conductivity of multilayered and electrically anisotropic carbon fiber materials can be expressed by an equivalent second order tensor, which is equal to sum of each layer’s electrical conductivity tensor. The aforementioned equivalent …
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Electrodeposition of FeCoNiCu quaternary system
… and are of interest due to the giant magnetoresistance (GMR) property it possesses, a change in electric resistance in the presence of an external magnetic field. In addition, the compositional modulation, or the composition contrast, in multilayer structures can be used to develop a grating …
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The Sodium Pump Regulates Sperm and Sertoli Cell Function
… 43 expression) and function (transepithelial electric resistance) of Sertoli cell junctional complexes through Src-EGFR-ERK1/2- CREB pathway in a dose-dependent manner. Overall, results demonstrated that isoforms of Na/K-ATPase have unique roles in controlling several aspects of sperm and …
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Dynamic modelling and simulation of the all-vanadium redox flow battery
… across the stack are also modelled in an electric resistance circuit that is combined into the mass and energy balances. The upgrade in the model not only accounts for the heat generation from shunt currents during battery cycling and standby, but contributes to a more accurate prediction …
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Conceptual design and performance characteristics of firebrick resistance-heated energy storage for industrial heat supply and variable electricity production
… deployment of wind or solar energy results in electricity price collapse at times of high wind or solar output to below the price of fossil fuels. This revenue collapse limits economic large-scale use of wind and solar and reduces the revenue for nuclear plants. The current electrical energy …
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Role of pericytes in the barrier task
… barrier formation by measuring trans-endothelial electric resistance and by immuno-analysis. Therefore, adipose stem cells-based therapeutic approaches may be usefully exploited to restore retinal microvasculature integrity. A second study was carried out to obtain and cultivate primary bovine …
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Earth electrode resistance diagnosis and measurements
… the AX-PRO wire can provide comparable earth resistance to copper, understanding the influence of Iceland’s harsh weather conditions, and assessing the impact of temperature changes on soil resistivity.The methodology encompasses installing both copper and AX-PRO electrodes at the test sites, …
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The effects of moisture, cation concentration, temperature, density and composition of soils on their electrical resistivity
… dens ity , temper~ t ure and grai n si ze on the electrical resistivity of so il s are examined using laboratory prepared soils. An i nexpen si ve method for preparing soils of different compositions was developed by mixing various size fractions i n the laboratory. Moisture and cation c …
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Study of apoptotic deletion mediated by Bifidobacterium longum with construction of recombinant strains for Serpin encoding gene and phenotypes comparison in a pig cell model
… assay were tested too. Transepithelial electrical resistance (TER) of polarised PSI C1 was measured during 48 hours co-culture. TER, used to observe epithelium permeability, decrease during pathogenesis and tissue becomes permeable to ion passive flow lowering epithelial barrier …