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Base flow profiles for high enthalpy CO2

Blunt-Body Aerothermodynamic Database from High-Enthalpy CO2 Testing in an Expansion Tunnel

Blunt-Body Aerothermodynamic Database from High-Enthalpy CO2 Testing in an Expansion Tunnel

... and flow field measurements on a 70-deg sphere-cone blunt body geometry in high-enthalpy, CO 2 flow has been generated through testing in an expansion ...radiation. Flow field ...

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A computational technique for high enthalpy shock tube and shock tunnel flow simulation pdf

A computational technique for high enthalpy shock tube and shock tunnel flow simulation pdf

... end, but the incident shock has not. Time level t= 1.6 msec. displays the case after the incident shock reaches the wall and reflects from there. The same shock tube problem is also solved by a conventional method with ...

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Turbulent Aeroheating Measurements on a 7-deg Half-Angle Sphere-Cone in a High-Enthalpy CO2 Expansion Tunnel

Turbulent Aeroheating Measurements on a 7-deg Half-Angle Sphere-Cone in a High-Enthalpy CO2 Expansion Tunnel

... In the first part of the program, a 70-deg sphere-cone heat shield design similar to the MSL entry vehicle was tested across a wide range of densities and velocities. Surface convective and radiative heat-transfer data ...

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Nonequilibrium in high enthalpy carbon dioxide flows

Nonequilibrium in high enthalpy carbon dioxide flows

... 3.2.4 FREE STREAM DENSITY AND VELOCITY An estimate of the free stream density can be obtained from wedge flow interferograms provided that the density between the shock and the wedge is uniform, that is, if the ...

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CFD modeling of a high enthalpy geothermal context

CFD modeling of a high enthalpy geothermal context

... phase flow model was developed and its results were compared to those obtained with a full 3D CFD ...superheated flow structure at wellbore-reservoir ...

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Temperature log simulations in high-enthalpy boreholes

Temperature log simulations in high-enthalpy boreholes

... wellbore flow conditions, fluid losses, well layout, heat trans- fer mechanics within the fluid as well as between the wellbore and the surrounding rock formation, ...of high-enthalpy wells where ...

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How To Model A High Reynolds Number Supersonic Base Flow

How To Model A High Reynolds Number Supersonic Base Flow

... RANS/LES and LES methodologies have also been used on the coarse grid to highlight the in fluence of the mean boundary layer pro file on the near-wake development. As no realistic inflow fluctuations are introduced, the ...

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Expansion Tube Investigation of Shock Stand-Off Distances in High-Enthalpy CO_2 Flow Over Blunt Bodies

Expansion Tube Investigation of Shock Stand-Off Distances in High-Enthalpy CO_2 Flow Over Blunt Bodies

... in high-enthalpy carbon dioxide flows, a discrepancy that may result from non-equilibrium processes during flow acceleration in ground-based ...stagnation enthalpy and the velocity of previous ...

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The Design and Development of a High Enthalpy, Hypervelocity Expansion Facility

The Design and Development of a High Enthalpy, Hypervelocity Expansion Facility

... The presented thesis is a summary of the overall design and the methodology behind the direction chosen for each component and the evolution leading to its final form. As such, the Hypervelocity Expansion Tunnel is ...

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Effect of Non-uniform Convection on Entropy Generation and Enthalpy for the Laminar Developing Pipe Flow of a High Prandtl Number Fluid

Effect of Non-uniform Convection on Entropy Generation and Enthalpy for the Laminar Developing Pipe Flow of a High Prandtl Number Fluid

... and Enthalpy for the Laminar Developing Pipe Flow of a High Prandtl Number ...laminar flow, to find the best example in which the least enthalpy and entropy are created, non-uniform ...

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Assessment of high enthalpy geothermal resources and promising areas of Chile

Assessment of high enthalpy geothermal resources and promising areas of Chile

... resource studies in using the terminology adopted by Muffler et al. (1978) for the subdivision of the geothermal resource base. Geothermal resources are subdivided according to increasing geological confidence ...

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Separation length in high-enthalpy shock/boundary-layer interaction

Separation length in high-enthalpy shock/boundary-layer interaction

... external flow conditions were estimated by computing the inviscid nonequilibrium flow ...external flow parameters computed for reacting flow, which scales out external mechanisms but not ...

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Base Flow Recession Analysis for Streamflow and Spring Flow

Base Flow Recession Analysis for Streamflow and Spring Flow

... on base flow recession, the climate control on base flow recession is also assessed by several studies [Wang and Wu, ...the high resolution National Hydrography Dataset (NHD) and found ...

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Development of Universal Solver for High Enthalpy Flows Through Ablative Materials

Development of Universal Solver for High Enthalpy Flows Through Ablative Materials

... FOR HIGH ENTHALPY FLOWS THROUGH ABLATIVE MATERIALS Atmospheric entry occurs at very high speeds which produces high temperature around the ...external flow and the porous heat shield ...

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The High Enthalpy Shock Tunnel Göttingen of the German Aerospace Center (DLR)

The High Enthalpy Shock Tunnel Göttingen of the German Aerospace Center (DLR)

... The nozzle flow starting process is characterized by a wave system which passes through the nozzle before a steady flow is established (see Figure 1). The incident shock wave (a) is followed by a contact ...

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Reaction Enthalpy and Volume Profiles for Excited State Reactions Involving Electron Transfer and Proton-Coupled Electron Transfer

Reaction Enthalpy and Volume Profiles for Excited State Reactions Involving Electron Transfer and Proton-Coupled Electron Transfer

... the enthalpy and volume changes for the forward and thermal back ET reactions are due to a conformational change between the reduced and oxidized state of Cc which modulates ET and whose relaxation to the initial ...

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Post-shock thermochemistry in hypervelocity CO2 and air flow

Post-shock thermochemistry in hypervelocity CO2 and air flow

... the vibrational modeling [14] and chemistry-vibration coupling [15] in high-enthalpy nozzle flows. Without a nozzle, the expansion tube offers a hypervelocity ground-test alternative without any chemical or ...

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Development of Impedance Base Microfluidic Flow Sensor

Development of Impedance Base Microfluidic Flow Sensor

... by high-resolution printing on transparency film using 35 watts phillip yellow bulb, this process continue for about 30 minute, when perfect trances observed, substrates were supported with electric iron(100°C,1 ...

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Electron and species populations behind high enthalpy shock waves in low density air

Electron and species populations behind high enthalpy shock waves in low density air

... The th re e atom ic tr a n s itio n s d iscu ssed in c h a p te r fo u r w ere im ag ed by th e OMA, th e re s u lts of w h ich w ere dow nloaded to a m icro co m p u ter. T he lin e p ro files w ere in te g r a te d ...

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Force and Moment Measurements on a Free-Flying Capsule Model in a High-Enthalpy Shock Tunnel

Force and Moment Measurements on a Free-Flying Capsule Model in a High-Enthalpy Shock Tunnel

... The experimental configuration for the present measurements is shown in Fig. 3. The capsule model is 18 cm in diameter, with a forebody consisting of a blunt spherical nose blended to a 70º half-angle cone. The model is ...

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