• United States

Research Output 1970 2020

Filter
Paper
2004

Using horizontal wells to sequester CO 2 and enhance coalbed methane recovery: A simulation study of operating procedures

Neal Sams, W., Bromhal, G. S., Jikich, S. A., Ertekin, T. & Smith, D. H., Dec 1 2004, p. 1529-1542. 14 p.

Research output: Contribution to conferencePaper

Horizontal wells
Recovery
Methane
Carbon dioxide
Anisotropy
11 Citations (Scopus)

Visualizing geospatial data

Rhyne, T. M. & MacEachren, A., Aug 8 2004.

Research output: Contribution to conferencePaper

Geographic information systems
Display devices
Data visualization
Intelligent agents
Data mining
2003
5 Citations (Scopus)

A Comparative Analysis of Pressure Transient Behaviour of Undulating and Horizontal Wells

Göktaş, B. & Ertekin, T., Dec 1 2003, p. 478-485. 8 p.

Research output: Contribution to conferencePaper

well
drilling
analysis
trajectory
horizontal drilling
Chemical mechanical polishing
Colloids
Abrasives
Oxides
Substrates
1 Citation (Scopus)

Critical Issues in the Modeling of WDM Systems in the Linear and Nonlinear Regimes

Hurley, J., Kumar, S., Mauro, J., Raghavan, S. & Ten, S., Dec 1 2003, p. 579-580. 2 p.

Research output: Contribution to conferencePaper

Polarization mode dispersion
Wavelength division multiplexing
Polarization
Experiments
2 Citations (Scopus)

Growth and characterization of multi-walled carbon nanotubes at NASA Glenn Research Center

Harris, J. D., Hepp, A. F., Raffaelle, R. P., Gennett, T., Vander Wal, R. L., Landi, B. J., Luo, Y. & Scherson, D. A., Jan 1 2003.

Research output: Contribution to conferencePaper

NASA
Carbon nanotubes
Iron
Catalysts
Organometallics
10 Citations (Scopus)

Horizontal Well Design Optimization: A Study of the Parameters Affecting the Productivity and Flux Distribution of a Horizontal Well

Vicente, R., Sarica, C. & Ertekin, T., Dec 1 2003, p. 1257-1264. 8 p.

Research output: Contribution to conferencePaper

Horizontal wells
Productivity
Fluxes
Numerical models
Heavy oil production
2 Citations (Scopus)

Hydrogen reduction of metal ions: An electrochemical model

Osseo-Asare, K., Dec 1 2003, p. 1151-1165. 15 p.

Research output: Contribution to conferencePaper

Metal ions
Hydrogen
Catalysis
Rate constants
Metals
1 Citation (Scopus)

In-Situ Thermal Remediation of Contaminant Below the Water Table

Elliott, L. J., Pope, G. A. & Johns, R. T., Nov 10 2003, p. 289-295. 7 p.

Research output: Contribution to conferencePaper

Remediation
phreatic zone
water table
remediation
Thermal desorption
4 Citations (Scopus)

Iterative Integration of Dynamic Data in Reservoir Models

Kashib, T. & Srinivasan, S., Dec 1 2003, p. 5459-5470. 12 p.

Research output: Contribution to conferencePaper

Dynamic response
Uncertainty

Lidar Measurements of Tropospheric Ozone over Reunion Island: Influence of the Synoptic Situations

Randriambelo, T., Baray, J. L., Baldy, S., Thompson, A. M., Oltmans, S. & Keckhut, P., Nov 24 2003, p. 2311-2313. 3 p.

Research output: Contribution to conferencePaper

Optical radar
lidar
Ozone
ozone
biomass burning
12 Citations (Scopus)

Phase identification and microanalysis in the Mg-Al-Ca alloy system

Ozturk, K., Liu, Z. K. & Luo, A. A., Jul 21 2003, p. 195-200. 6 p.

Research output: Contribution to conferencePaper

Microanalysis
microanalysis
inert atmosphere
chemical analysis
replicas
1 Citation (Scopus)

pH measurements in high-temperature hydrometallurgical systems

Papangelakis, V. G., Seneviratne, D. S., Jankovic, Z., Zhou, X. Y. & Lvov, S., Dec 1 2003, p. 645-656. 12 p.

Research output: Contribution to conferencePaper

Sulfates
Temperature
Acids
Electrochemical cells
Yttria stabilized zirconia
8 Citations (Scopus)

Simulating Carbon Dioxide Sequestration/ECBM Production in Coal Seams: Effects of Permeability Anisotropies and Other Coal Properties

Smith, D. H., Sams, W. N., Bromhal, G., Jikich, S. & Ertekin, T., Dec 1 2003, p. 3227-3241. 15 p.

Research output: Contribution to conferencePaper

Carbon dioxide
Anisotropy
Coal
Methane
Sorption

Tungsten CMP: Application of mixed potential theory to the tungsten/iodate system

Anik, M. & Osseo-Asare, K. A., Dec 1 2003, p. 335-348. 14 p.

Research output: Contribution to conferencePaper

Tungsten
Corrosion
Abrasion
Current density
Potentiodynamic polarization
7 Citations (Scopus)

WAG Optimization for Gas Floods above the MME

Johns, R. T., Bermudez, L. & Parakh, H., Dec 1 2003, p. 2679-2690. 12 p.

Research output: Contribution to conferencePaper

Solubility
Chemical analysis
Gases
Water
Recovery
2002

Aerosol flame synthesis of fe catalyzed single-walled carbon nanotubes and Ni catalyzed nanofibers

Vander Wal, R. L., Hall, L. J. & Berger, G. M., Dec 1 2002. 1 p.

Research output: Contribution to conferencePaper

Flame synthesis
Single-walled carbon nanotubes (SWCN)
Nanofibers
Aerosols
Pyrolysis
8 Citations (Scopus)

Artificial Neural Network Architectures for Predicting Two-Phase and Three-Phase Relative Permeability Characteristics

Silpngarmlers, N. & Ertekin, T., Dec 1 2002, p. 3201-3211. 11 p.

Research output: Contribution to conferencePaper

Network architecture
Neural networks
Rocks
Fluids
Backpropagation

ASM Procerdings of the International Conference: Trends in Welding Research: Preface

David, S. A., Debroy, T., Lippold, J. C., Smartt, H. B. & Vitek, J. M., Dec 1 2002.

Research output: Contribution to conferencePaper

Welding
1 Citation (Scopus)

A unified two-fluid model for multiphase flow in natural gas pipelines

Ayala H., L., Eltohami, E. S. & Adewumi, M. A., Dec 31 2002, p. 839-845. 7 p.

Research output: Contribution to conferencePaper

Natural gas pipelines
Multiphase flow
multiphase flow
gas pipeline
natural gas

Avoiding pitfalls in multiphase thermo-hydrodynamic coupling

Ayala, L. F., Eltohami, E. S. & Adewumi, M. A., Dec 31 2002, p. 847-855. 9 p.

Research output: Contribution to conferencePaper

Multiphase flow
Hydrodynamics
hydrodynamics
multiphase flow
Thermodynamics
1 Citation (Scopus)

Characterization of Estuary-Shoreface Type Reservoir Using Outcrop Analogue and Modeling of Flow Using a Nonuniform Coarsened Grid

Merchán, S. A., Srinivasan, S. & Meyer, R., Dec 1 2002, p. 862-872. 11 p.

Research output: Contribution to conferencePaper

analog model
Estuaries
outcrop
estuary
viscous flow
4 Citations (Scopus)

Characterization of Partially Sealing Faults from Pressure Transient Data: An Artificial Neural Network Approach

Aydinoglu, G., Bhat, M. & Ertekin, T., Dec 1 2002, p. 141-153. 13 p.

Research output: Contribution to conferencePaper

Well testing
Neural networks
Transient analysis
Porosity
Hydrocarbons
8 Citations (Scopus)

Computational thermodynamics and experimental investigation of the Mg-Al-Ca-Sr alloys

Zhong, Y., Ozturk, K., Liu, Z. & Luo, A. A., Jan 1 2002, p. 69-73. 5 p.

Research output: Contribution to conferencePaper

Thermodynamics
thermodynamics
solidification
Solidification
Thermodynamic properties
6 Citations (Scopus)

Dielectric and piezoelectric properties as a function of temperature for Pb(Yb1/2Nb1/2)O3-PbTiO3 single crystals

Zhang, S., Lebrun, L., Rhee, S., Randall, C. A. & Shrout, T. R., Dec 1 2002, p. 455-458. 4 p.

Research output: Contribution to conferencePaper

Single crystals
Curie temperature
Electromechanical coupling
Temperature
Superconducting transition temperature
3 Citations (Scopus)

Dielectric properties of capacitor materials in the optical frequency range

Biegalski, M., Thayer, R., Nino, J. & Trolier-McKinstry, S., Dec 1 2002, p. 7-10. 4 p.

Research output: Contribution to conferencePaper

Dielectric properties
Capacitors
Spectroscopic ellipsometry
Degradation
Gate dielectrics

Effective production of FXIIa and thrombin by model biomaterials

Bussard, K. M., Vogler, E. A. & Siedlecki, C., Jan 1 2002, p. 129-130. 2 p.

Research output: Contribution to conferencePaper

Biocompatible Materials
Biomaterials
Thrombin
Chemical activation
Coagulation
9 Citations (Scopus)

Geological Characterization of Naturally Fractured Reservoirs Using Multiple Point Geostatistics

Liu, X., Srinivasan, S. & Wong, D., Jan 1 2002, p. 1057-1068. 12 p.

Research output: Contribution to conferencePaper

geostatistics
connectivity
analog model
methodology
Spatial distribution
1 Citation (Scopus)

Grain Growth in the Heat-Affected Zone of Ti-6Al-4V Welds: Measurements and Three Dimensional Monte Carlo Simulation

Mishra, S. & Debroy, T., Dec 1 2002, p. 197-202. 6 p.

Research output: Contribution to conferencePaper

Heat affected zone
Grain growth
Welds
Fusion reactions
Welding
1 Citation (Scopus)

Modeling of Ferrite to Austenite Transformation and Real Time Mapping of Phases during GTA Welding of 1005 Steel

Zhang, W., Elmer, J. W. & DebRoy, T., Dec 1 2002, p. 180-185. 6 p.

Research output: Contribution to conferencePaper

Tungsten
Steel
Electric arc welding
Austenite
Ferrite
7 Citations (Scopus)

New high temperature morphotropic phase boundary piezoelectric ceramics

Shrout, T. R., Eitel, R., Randall, C. A., Alberta, E. & Rehrig, P. W., Dec 1 2002, p. 277-280. 4 p.

Research output: Contribution to conferencePaper

Piezoelectric ceramics
Phase boundaries
Perovskite
Temperature
Superconducting transition temperature
25 Citations (Scopus)

Opening the black box: Interactive hierarchical clustering for multivariate spatial patterns

Guo, D., Peuquet, D. & Gahegan, M., Dec 1 2002, p. 131-136. 6 p.

Research output: Contribution to conferencePaper

Data mining
Visualization
Lead
26 Citations (Scopus)

Piezoelectric films for MEMS applications

Xu, F., Wolf, R. A., Yoshimura, T. & Trolier-McKinstry, S. E., Dec 1 2002, p. 386-396. 11 p.

Research output: Contribution to conferencePaper

actuation
microelectromechanical systems
MEMS
Ferroelectric thin films
piezoelectricity
10 Citations (Scopus)

Quantification of Displacement Mechanisms in Multicomponent Gasfloods

Johns, R. T., Yuan, H. & Dindoruk, B., Dec 1 2002, p. 3115-3124. 10 p.

Research output: Contribution to conferencePaper

Vaporization
Gases
Solubility
Condensation
Fluids
14 Citations (Scopus)

Simplified Method for Calculation of Minimum Miscibility Pressure or Enrichment

Yuan, H. & Johns, R. T., Dec 1 2002, p. 499-508. 10 p.

Research output: Contribution to conferencePaper

Solubility
Gas oils
Fluids
9 Citations (Scopus)

Simulating carbon dioxide sequestration/ECBM production in coal seams: Effects of coal properties and operational parameters

Sams, W. N., Bromhal, G., Odusote, O., Jikich, S., Ertekin, T. & Smith, D. H., Dec 1 2002.

Research output: Contribution to conferencePaper

Carbon dioxide
Methane
Coal
Well pressure
Gas emissions

The crystal chemistry of BiFeO3-based ferroelectrics

Woodward, D. I., Reaney, I. M., West, A. R. & Randall, C. A., Dec 1 2002, p. 65-68. 4 p.

Research output: Contribution to conferencePaper

Crystal chemistry
Phase boundaries
Ferroelectric materials
Solid solutions
Transmission electron microscopy
5 Citations (Scopus)

Thickness, strain, and temperature-dependent properties of barium strontium titanate thin films

Maria, J-P., Parker, C. B., Kingon, A. I. & Stauf, G., Dec 1 2002, p. 151-154. 4 p.

Research output: Contribution to conferencePaper

Barium strontium titanate
Permittivity
Thin films
Substrates
Superconducting transition temperature
1 Citation (Scopus)

Understanding magnesium alloys through computational thermodynamics

Liu, Z., Jan 1 2002, p. 205-214. 10 p.

Research output: Contribution to conferencePaper

magnesium alloys
Magnesium alloys
Thermodynamics
thermodynamics
Creep
3 Citations (Scopus)

Wind-direction dependence of quasi-2D SAR signatures

Sikora, T. D. & Young, G. S., Jan 1 2002, p. 1887-1889. 3 p.

Research output: Contribution to conferencePaper

wind direction
synthetic aperture radar
imagery
wind velocity
document
2001
2 Citations (Scopus)

A computational thermodynamic analysis of atmospheric magnesium production

Marshall, M., Liu, Z. K. & Christini, R., Dec 1 2001, p. 17-20. 4 p.

Research output: Contribution to conferencePaper

slags
Magnesium
Slags
magnesium
Thermodynamics
7 Citations (Scopus)

An Investigation of Horizontal Well Completions Using a Two-Phase Model Coupling Reservoir and Horizontal Well Flow Dynamics

Vicente, R., Sarica, C. & Ertekin, T., Dec 1 2001, p. 2331-2343. 13 p.

Research output: Contribution to conferencePaper

Well completion
Horizontal wells
Tubing
Multiphase flow
Conservation
15 Citations (Scopus)

Computational thermodynamics and experimental investigation of Mg-Al-Ca alloys

Ozturk, K., Zhong, Y., Liu, Z. & Luo, A. A., Dec 1 2001, p. 113-117. 5 p.

Research output: Contribution to conferencePaper

Ternary systems
ternary systems
Thermodynamics
thermodynamics
systems simulation
1 Citation (Scopus)

Large aperture scanning lidar based on holographic optical elements

Schwemmer, G., Miller, D. O., Wilkerson, T. D., Andrus, I. & Guerra, D. V., Dec 1 2001, p. 3129-3131. 3 p.

Research output: Contribution to conferencePaper

Holographic optical elements
Optical radar
lidar
Scanning
atmospheric dynamics
1 Citation (Scopus)

Laser Soot-Mie scattering in a reacting vortex ring

Chen, S. J., Dahm, W. J. A., Millard, M. & Vander Wal, R. L., Dec 1 2001.

Research output: Contribution to conferencePaper

vortex rings
Mie scattering
soot
Soot
vortex
1 Citation (Scopus)

Preliminary investigation on the viability of 1,3-dioxolane as an alternative to MTBE in reformulated gasoline

Flynn, P. J., Ityokumbul, M. T. & Boehman, A. L., Dec 1 2001.

Research output: Contribution to conferencePaper

Reformulated gasoline
Antiknock rating
Costs
Ethanol
Gasoline
7 Citations (Scopus)

Proton exchange membrane nanocomposites for fuel cells

Hickner, M. A., Kim, Y. S., Wang, F., Zawodzinski, T. A. & McGrath, J. E., Dec 1 2001, p. 1519-1532. 14 p.

Research output: Contribution to conferencePaper

Protons
Fuel cells
Ion exchange
Nanocomposites
Phosphotungstic Acid

Trophospheric ozone from space: Tracking pollution with the TOMS (Total Ozone Mapping Spectrometer) instrument

Thompson, A. M., Hudson, R. D., Frolov, A. D., Witte, J. C. & Kucsera, T. L., Dec 1 2001, p. 1035-1037. 3 p.

Research output: Contribution to conferencePaper

TOMS
Ozone
Spectrometers
Pollution
ozone
2000
2 Citations (Scopus)

A Modified Equation of State for Gas-Condensate Systems

Erdogmus, M. & Adewumi, M. A., Dec 1 2000, p. 123-130. 8 p.

Research output: Contribution to conferencePaper

Gas condensates
Equations of state
Liquids
Compressibility
Natural gas
6 Citations (Scopus)

A Numerical Model Coupling Reservoir and Horizontal Well Flow Dynamics: Transient Behavior of Single-Phase Liquid and Gas Flow

Vicente, R., Sarica, C. & Ertekin, T., Dec 1 2000, p. 1-11. 11 p.

Research output: Contribution to conferencePaper

Horizontal wells
Flow of gases
Numerical models
Simulators
Liquids