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 468 for “"enthalpy"”.
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"Boil-off calorimetry" for determining food enthalpy
Thesis (M.S.)--Michigan State University. Dept. of Food Science and Human Nutrition, 1972
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Enthalpy measurements of benzene and m-cresol
Includes bibliographical references (pages 61-62).
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Enthalpy measurements of the M-cresol/quinoline binary system
Includes bibliographical references.
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High-fidelity modeling of high-enthalpy plasma wind tunnels for hypersonic testing
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2027-08-01
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A Study of Direct Measuring Skin Friction Gages for High Enthalpy Flow Applications
… in three-dimensional, high-speed, high-enthalpy flows. Design conditions required favorable gage performance in the Arc-Heated Facilities at Arnold Engineering Development Center. Flow conditions are expected to be at Mach 3.4, with convective heat properties of h= 1,500 W/(m°·K) (264 …
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Preliminary design of a high enthalpy plasma tunnel for atmospheric re-entry research
The following thesis discusses the conceptual design of the Plasmatron One wind tunnel at the Center for Hypersonics and Entry Systems Studies (CHESS) at the University of Illinois at Urbana Champaign (UIUC). The centerpiece of the facility is an Inductively Coupled Plasma (ICP) torch capable of …
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Mean meridional eddy flux of enthalpy in the Southern Hemisphere during the IGY,
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Meteorology, 1968.
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Prediction of the enthalpy departures of fluid mixtures using three parameter corresponding states' principle
Includes bibliographical references.
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The relationship between enthalpy of immersion, and its derived wettability parameters, to flotation response
… This thesis has investigated the use of the enthalpy of immersion as an indicator of the wettability of mineral surfaces. The enthalpy of immersion is the heat change arising from the replacement of the solid-gas interface with the solid-liquid interface when a solid surface is immersed in a …
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Phenomenological Study of Enthalpy Relaxation and Physical Aging of Glucose, Fructose and Their Mixture
"Enthalpy relaxation of glucose, fructose and their mixtures was investigated using the Tool-Narayanaswamy-Monihan (TNM) and the Adam-Gibbs model parameters. The apparent activation energy was found to decrease as the fructose content increased. The value of parameter x increased with the fructose …
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A theoretical analysis of interstitial hydrogen : pressure-composition-temperature, chemical potential, enthalpy and entropy
… squares fitting of the model to the entropy and enthalpy results in model parameters which seem physically reasonable. The resulting model appears to provide a natural physical explanation for the dependence of the excess entropy on loading.
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Skin Friction Sensor Design Methodology and Validation for High-Speed, High-Enthalpy Flow Applications
… of performing favorably in high-speed, high-enthalpy flow conditions, such as that found in atmospheric re-entry vehicles, scramjets, jet engines, material testing, and industrial processes. Fully understanding and optimizing these complex flows requires an understanding of aerodynamic …
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Modeling of high enthalpy flows for hypersonic re-entry and ground-based arc-jet testing
… a simulation framework for modeling high enthalpy ionized gas flows during planetary entry flights and ground-based arc-jet testing. The system of Favre-averaged Navier-Stokes equations in thermo-chemical non-equilibrium with Spalart-Allmaras turbulence closure is outlined, along with …
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Prediction of flight measurements of high enthalpy nonequilibrium flow from a cubesat-class atmospheric probe
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2018-08-31 without embargo terms
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Water in Protein Cavities: Free Energy, Entropy, Enthalpy, and its Influences on Protein Structure and Flexibility
… which more than compensates for amore favorable enthalpy, and additional water molecules at the proteinligandinterface.Free energy, enthalpy, and entropy for these water molecules were calculated by thermodynamicintegration computer simulations. The calculations show that addition of thewater …
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Development and Ground Testing of Direct Measuring Skin Friction Gages for High Enthalpy Supersonic Flight Tests
… engine. These tests were conducted at Mach 6.5 enthalpy with P0 = 555 psia (3827 kPa) and h0 = 900 Btu/lbm in a freejet facility. The successful testing in the wind tunnel scramjet model provided the final verification of the gage before installation in the flight vehicle engine. The …
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An actively cooled floating element skin friction balance for direct measurement in high enthalpy supersonic flows
… Research Center. Flow conditions in the high enthalpy combustor models ranged from total pressures of 275-800 psia (1900-5550 kPa) and total temperatures from 5800-8400 R (3222-4667 K). This gives enthalpies in the range of 1700-3300 BTU/Ib<sub>m</sub> (3950-7660 KJ/kg) and simulated flight …
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Measurements of the Molar Heat Capacity and the Molar Excess Enthalpy for Various Alkanolamines in Aqueous Solutions
… the molar heat capacity (Cp) and molar excess enthalpy for 4-Ethylmorpholine, 2-(Isopropylamino)ethanol, 2-(Diisopropylamino)ethanol, 3-Dimethylamino-1-propanol(3-DEAP), and1-Dimethylamino-2-propanol (1-DEAP) in aqueous solutions by means of a C80 heat flow calorimeter over the entire range of …
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