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Technical Staff Activities

Publications

Presentations

Appointments

Internal Research Projects

Patents

Publications

M.B.E. Boslough, G.R. Gladstone, "An Impact Plume Model for Atmospheric Holes in the FUV Dayglow," Geophysical Research Letters, Vol. 24, pp. 3,117-3,120, 1997.

K.S. Chan, N.S. Cheruvu, G.R. Leverant, "Coating Life Prediction Under Cyclic Oxidation Conditions," American Society for Mechanical Engineers, Paper No. 97-GT-389, 1997.

R. Chen, L.J. Loring, "Numerical Modeling of the Effects of Fault Slip on Fluid Flow Around Extensional Faults: Discussion," Journal of Structural Geology, Vol. 19, No. 11, pp. 1,423-1,426, 1997.

R. Chen, B. Stimpson, "Simulation of Deformation and Fracturing on Potash Yield Pillars, Vanscoy, Saskatchewan," Canadian Geotechnical Journal, Vol. 34, No. 2, pp. 283-292, 1997.

C.B. Connor, P.C. Lichtner, F.M. Conway, B.E. Hill, A.A. Ovsyannikov, I. Federchenko, Y. Doubik, V.N. Shapar, Y.A. Taran, "Cooling of an Igneous Dike 20 Years After Intrusion," Geology, Vol. 25, pp. 711-714, 1997.

F.M. Conway, C.B. Connor, B.E. Hill, "Spatio-Temporal Patterns of Volcanism in the Plio-Pleistocene SP Cinder Cone Cluster, San Francisco Volcanic Field, AZ, USA," EOS Transactions of the American Geophysical Union, Vol. 78, No. 46, p. F827, 1997.

J.A. Cumnock, J.R. Sharber, R.A. Heelis, M.R. Hairston, J.D. Craven, "Evolution of the Global Aurora During Positive Interplanetary Magnetic Field Bz and Varying Interplanetary Magnetic Field By Conditions," Journal of Geophysical Research, Vol. 102, No. A8, pp. 17,489-17,497, 1997.

D.L. Davidson, R.C. McClung, "Local Constraint Near Fatigue Cracks in Alloys and Particulate Composites," International Journal of Fracture, Vol. 84, No. l, pp. 81-98, 1997.

D. Dunn, "Effect of Galvanic Coupling Between Overpack Materials of High-Level Waste Containers," Proceedings, CORROSION/98 Conference, 1998.

D.C. Ebbets, N.R. Walborn, J.W. Parker, "Ultraviolet Spectral Morphology of the Stellar Core of Eta Carinae," The Astrophysical Journal, Vol. 489, p. L161, 1997.

D.A. Ferrill, A.P. Morris, "Geometric Considerations of Deformation Above Curved Normal Faults and Salt Evacuation Surfaces," The Leading Edge, Vol. 16, pp. 1,129-1,133, 1997.

D. Grodent, G.R. Gladstone, J.-C. Gerard, V. Dols, J.H. Waite, "Simulation of the Morphology of the Jovian UV North Aurora Observed with the Hubble Space Telescope," Icarus, Vol. 128, pp. 306-321, 1997.

K.A. Gruss, G.A. Cragnolino, D.S. Dunn, N. Sridhar, "Repassivation Potential for Localized Corrosion of Alloys 625 and C22 in Simulated Repository Environments," Proceedings, CORROSION/98 Conference, 1998.

K.D. Hjelmstad, E.B. Williamson, "Dynamic Stability of Structural Systems Subjected to Base Excitation," Engineering Structures, Vol. 20, Nos. 4-6, pp. 415-432, 1997.

B.E. Hill, C.B. Connor, M.S. Jarzemba, P.C. LaFemina, M. Navarro, W. Strauch, "Tephra-Fall Risk Assessment for Basaltic Cinder Cones: An Example from the 1995 Eruption of Cerro Negro Volcano, Nicaragua," EOS Transactions of the American Geophysical Union, Vol. 78, No. 46, p. F-180, 1997.

A.D. Johnstone, C. Alsop, S. Burge, P.J. Charter, A.J. Coates, A.J. Coker, A.N. Fazakerley, M. Grande, R.A. Gowen, C. Gurgiolo, B.K. Hancock, B. Narheim, A. Preece, P.H. Sheather, J.D. Winningham, R.D. Woodliffe, "PEACE: A Plasma Electron and Current Experiment," Space Science Review, Vol. 79, pp. 351-398, 1997.

R.L. Mason, N.D. Tracy, J.C. Young, "A Practical Approach for Interpreting Multivariate T-Square Control Chart Signals," Journal of Quality Technology, Vol. 29, pp. 396-406, 1997.

T.H. Morgan, D.C. Slater, R.N. Smartt, "New Missions for Space-Based Observations of the Moon, Planets, and Planetary Systems With the New All-Reflecting Coronagraph Optics," Small Spacecraft, Space Environments, and Instrumentational Technologies, SPIE Vol. 3116, pp. 27-36, 1997.

W.M. Murphy, D.R. Turner, D.A. Pickett, "Expert Review of Geochemistry Studies of the Vienne Department Site," French Agence Nationale pour la Gestion des Dťchets Radioactifs, ANDRA DS/SR/GO-97.593, 1997.

W.M. Murphy, W.J. Gray, I.R. Triay, "Retrograde Solubilities of Source Term Phases," Proceedings, Materials Research Society Symposium of Scientific Basis for Nuclear Waste Management XX, Vol. 465, pp. 713-720, 1997.

J.O. Parra, L. Meyer, K. Nihei, V. Korneev, A. Gorody, "Guided Seismic Waves for Reservoir Characterization," Gas Tips, Vol. 3, No. 3, 1997.

J.O. Parra, H. Collier, "Petrophysical Properties and Geology of Selected Intervals in the Frio Formation, Stratton Field for Modeling Interwell Seismic Responses," Transactions of the Society of Professional Well Log Analysts, Paper #FFF, 1997.

J.O. Parra, H. Collier, T. Richards, "Seismic Signatures of the Fractured Twin Creek Reservoir, Utah-Wyoming Overthrust Belt," Expanded Abstract, 67th Annual International Meeting of Society of Exploration Geophysicists, 1997.

J.O. Parra, "The Transversely Isotropic Poroelastic Wave Equation Including the Biot and the Squirt Mechanisms: Theory and Application," Geophysics, Vol. 62, pp. 309-318, 1997.

J.D. Prikryl, D.A. Pickett, W.M. Murphy, E.C. Pearcy, "Migration Behavior of Naturally Occurring Radionuclides at the Nopal I Uranium Deposit," Journal of Contaminant Hydrology, Vol. 26, pp. 61-69, 1997.

M.J. Sablik, "A Model for Asymmetry in Magnetic Property Behavior Under Tensile and Compressive Stress in Steel," IEEE Transactions on Magnetics, Vol. 33, No. 5, p. 3,958, 1997.

R. Selestino, P. Perera, A. Ayala, D. Scott, R. Dail, D. Medrano, C.J. Gutierrez, M.J. Sablik, "The Magnetic and Structural Properties of Metallic and Nitride-Doped CoFe/Cu Multilayers," IEEE Transactions on Magnetics, Vol. 33, No. 5, p. 3,664, 1997.

J.M. Shull, H.A. Thronson, S.A. Stern, "The Search for Extra-Solar Earthlike Planets: Techniques and Technology," Kluwer, p. 156, 1997.

D.C. Slater, T.H. Morgan, S.A. Stern, "Modern Lightweight UV Spectrographs for In Situ Studies of the Exosphere and Photo-Ion Population About Mercury," Planetary Space Science, Vol. 45, No. 1, pp. 101-112, 1997.

N. Sridhar, D.S. Dunn, "In-Situ Study of Salt Stability in Simulated Pits of Nickel by Raman and Electrochemical Impedance Spectroscopies," Journal of the Electrochemical Society, Vol. 144, No. 12, pp. 4,243-4,253, 1997.

N. Sridhar, P.C. Lichtner, D.S. Dunn, "Evolution of Environment Under Disbonded Coating on Cathodically Protected Pipeline -- Preliminary Modeling and Experimental Studies," Proceedings, CORROSION/98 Conference, 1998.

S.A. Stern, J.W. Parker, T.H. Morgan, B.C. Flynn, D.M. Hunten, A. Sprague, M. Mendillo, M.C. Festou, "An HST Search for Magnesium in the Lunar Atmosphere," Icarus, Vol. 127, p. 523, 1997.

S.A. Stern, J.E. Cowell, "On the Accretion of 100-1000 km Radius Bodies in the Edgeworth-Kuiper Belt," Astronomical Journal, Vol. 114, p. 841, 1997.

S.A. Stern, D.J. Tholen, eds., Pluto and Charon, University of Arizona Press, 728 pp., 1997.

V.P. Swaminathan, N.S. Cheruvu, "Condition and Remaining Life Assessment of Gas Turbine Hot Section Components," Western Energy, Summer Issue, pp. 9-15, 1997.

T.J. Warnagiris, "An Alternate Full-Duplex Transceiver Architecture Based on Spatially Distributed Oscillators," RF Design, pp. 32-43, 1997.

M. Womack, S.A. Stern, M.C. Festou, "Millimeter-Wavelength Spectroscopy of CO, HCN, H2CO, and CH3OH in C/1996 B2 (Hyakutake)," Planetary and Space Science, Vol. 45, p. 711, 1997.

P.C. Xu, J.O. Parra, "Full-Wave Synthetic Borehole Logging for Formations with Azimuthal Anisotropy," Expanded Abstract, 67th Annual International Meeting of Society of Exploration Geophysicists, 1997.

Presentations

R.J. Beeson, "Full-Field Surface Profiling Using Dynamic Projected Grids," SPIE, The International Society for Optical Engineering, Conference on Three-Dimensional Imaging and Laser-Based Systems for Metrology and Inspection III, Pittsburgh, Pennsylvania, October 1997.

J. Bishop, R. Link, "He(23S) Distributions in the Upper Thermosphere and Exosphere: An Update on Modeling Capabilities and Comparisons with Recent Observations," American Geophysical Union Meeting, San Francisco, California, December 1997.

A.W. Boyd, G. Nottingham, R. Foudray, R. Klein, D. Pinkard, M.P. Castles, J.A. Moryl, "SABER™: Situational Awareness and Combat Identification via Satellite," Four-Services Combat Identification Systems Conference, San Diego, California, April 1997.

G.L. Burkhardt, "Magnetic Sensor for Measurement of Stainless Steel Cladding Thickness," Pressure Vessels and Piping Conference, Orlando, Florida, July 1997.

T.J. Callahan, J.T. Kubesh, "Contribution of Prechamber Combustion to Engine CO and HC Emissions," Gas Machinery Conference, Austin, Texas, October 1997.

K.S. Chan, N.S. Cheruvu, G.R. Leverant, "Coating Life Prediction Under Cyclic Oxidation Conditions," International Gas Turbine Aero Engine Congress and Exhibition, Orlando, Florida, June 1997.

K.S. Chan, Y.-D. Lee, G.R. Leverant, T. Fitzgerald, J.G. Goedjen, "Prediction of Damage and Failure in Thermal Barrier Coatings," First International Conference on Damage and Failure at Interfaces, Vienna, Austria, September 1997.

N.S. Cheruvu, "Development of a Corrosion Resistant Directionally Solidified Material for Land Based Turbine Blades," International Gas Turbine Aero Engine Congress and Exhibition, Orlando, Florida, June 1997.

J.T. Clarke, G.E. Ballester, J.T. Trauger, J.M. Ajello, W.R. Pryor, W.K. Tobiska, J.H. Waite, G.R. Gladstone, L.B. Jeffel, J.E.P. Conerney, J.-C. Gerard, "HST Observations of Jupiter's UV Aurora During Galileo In Situ Measurements," American Geophysical Union Meeting, San Francisco, California, December 1997.

E.A. Creek, "Eddy Current Scan Simulation with Coupled FEM/BEM," Quantitative Nondestructive Evaluation Conference, San Diego, California, July 1997.

G. Crowley, R.A. Frahm, A. Ridley, J.D. Winningham, J.R. Sharber, R. Link, R.G. Roble, J.M. Russell, "Modeling the Effects of Diffuse Auroral Precipitation on the Upper Stratosphere and Mesosphere," American Geophysical Union Meeting, San Francisco, California, December 1997.

G. Dearnaley, "Diamond-Like Carbon and the Goal of Wearless Friction," Centre for Interdisciplinary Studies in Chemical Physics at The University of Western Ontario, London, Ontario, October 1997.

G. Dearnaley, "Electrocatalytic Coatings for the Prevention of Hydrogen Embrittlement in Titanium Alloys," Centre for Interdisciplinary Studies in Chemical Physics at The University of Western Ontario, London, Ontario, October 1997.

G. Dearnaley, "Transient Enhanced Diffusion in Silicon: Can We Sustain Moore's Law?" Centre for Interdisciplinary Studies in Chemical Physics at The University of Western Ontario, London, Ontario, September 1997.

D.L. Dempsey, M.M. Huddleston, J.L. Burch, C.J. Pollock, J.H. Waite, M. WŁest, D.T. Young, T.E. Moore, E.G. Shelley, "Concurrent Observations of Reflected Solar Wind Ions and Downward Accelerated Ionospheric Ions as Seen by TIDE and TIMAS on the POLAR Spacecraft During the January 1997 Magnetic Cloud Event," American Geophysical Union Meeting, San Francisco, California, December 1997.

D.A. Ferrill, "Active Detachment Faulting in the Western Basin and Range: New Constraints from the Death Valley Region," Department of Geological Sciences at the University of Tennessee, Knoxville, Tennessee, September 1997.

R.A. Frahm, J.R. Sharber, R. Link, G. Crowley, J.D. Winningham, E.E. Gaines, D.L. Chenette, "Atmospheric Ionization Rates for Electron Distribution Shapes: Kappa and Maxwellian Differences," American Geophysical Union Meeting, San Francisco, California, December 1997.

J.B. Gary, B.J. Anderson, R.A. Frahm, J.R. Sharber, J.D. Winningham, "Field Aligned Currents and Joule Heating Determined from UARS During Major Magnetic Storms," American Geophysical Union Meeting, San Francisco, California, December 1997.

G.R. Gladstone, B. Fegley, "Lyman Alpha Photochemistry in the Primitive Solar Nebula," American Geophysical Union Meeting, San Francisco, California, December 1997.

R.T. Green, J.D. Prikryl, M.E. Hill, "Assessment of Heat Flow through Bulk Geologic Material," Joint 24th International Thermal Conductivity Conference and 12th International Thermal Expansion Symposium, Pittsburgh, Pennsylvania, October 1997.

C.T. Hare, "Exploring New Technologies for Clean Air," California Air Resources Board Symposium, Irvine, California, September 1997.

C.T. Hare, "Future Technologies for Heavy-Duty Vehicles," California Air Resources Board Symposium, Irvine, California, September 1997.

C.T. Hare, "Reducing Off-Road Diesel Emissions," California Air Resources Board Symposium, Irvine, California, September 1997.

S.J. Hudak, "Durability and Damage Tolerance of Composite Pressure Vessels," Air Force Contractor MP3 Team Meeting, Los Angeles, California, November 1997.

S.J. Hudak, J.J. Hanley, S.J. Lukezich, M.P. Connolly, L.N. Nilsen, S. Nguyen, "A Damage Tolerance Approach for Recertification of High-Pressure Flasks," Fleet Maintenance Symposium, San Diego, California, October 1997.

S.J. Hudak, M.A. Miller, G.R. Cragnolino, D.S. Dunn, C. Laird, Y. Li, J. DeLuccia, J. Goodman, "Development of an Electrochemical Sensor for Early Detection of Fatigue Damage in Aircraft Structures," United States Air Force Aircraft Structural Integrity Conference, San Antonio, Texas, December 1997.

M.M. Huddleston, C.J. Pollock, M. WŁest, J.L. Burch, W.K. Peterson, H.L. Collin, O.W. Lennartsson, J. Pickett, T.E. Moore, "Observation of O+ Outflow in a Double Auroral Encounter of the POLAR Spacecraft During the Magnetic Cloud Event of January 10 and 11, 1997," American Geophysical Union Meeting, San Francisco, California, December 1997.

D.C. Jiles, M.J. Sablik, "Survey of Experiment and Modeling for Magnetic NDE of Stress and Microstructural Damage," EPRI NDE Lab, Charlotte, North Carolina, November 1997.

J.P. Keating, R.L. Mason, "A Comparison of Classical and Inverse Estimators in the Calibration Problem," 156th American Statistical Association Annual Meeting, Anaheim, California, August 1997.

M. Kruglanski, M. Echim, D. Heynderikx, R.A. Frahm, J.R. Sharber, J.D. Winningham, E.J. Daley, J.F. Lemaire, "Proton Radiation Belt Model Based on Low Altitude UARS/PEM Data," Space Radiation Environment Modeling Workshop, Moscow, Russia, October 1997.

J.A. Leet, "EGR Effect on Oil Degradation and Intake System Performance," SAE International Congress and Exposition, Detroit, Michigan, February 1998.

J.A. Leet, "EGR System Integration on a Cummins 6BTA 5.9 Engine," SAE International Congress and Exposition, Detroit, Michigan, February 1998.

G.R. Leverant, D.L. Littlefield, R.C. McClung, H.R. Millwater, J.Y. Wu, "Turbine Rotor Material Design," FAA Engine Titanium Consortium Open Forum, Houston, Texas, November 1997.

M. Li, V.H. Desai, N.S. Cheruvu, "The Effect of Microstructural Differences on Na2SO4-Induced Corrosion of Superalloy CMSX-4 at High Temperatures," International Gas Turbine Aero Engine Congress and Exhibition, Orlando, Florida, June 1997.

Y. Li, J. Zhang, C. Laird, J. Goodman, J. DeLuccia, S.J. Hudak, "An Electrochemical Method of Sensing Fatigue Damage," The First Joint DoD/FAA/NASA Conference on Aging Aircraft, Ogden, Utah, July 1997.

R. Link, "Response of the Lower Thermosphere to a Gradual Solar Flare," American Geophysical Union Meeting, San Francisco, California, December 1997.

R. Link, "Response of the Lower Thermosphere to a Solar Flare: Results from the Upper Atmosphere Research Satellite," International Association of Geomagnetism and Aeronomy Meeting, Uppsala, Sweden, August 1997.

R.L. Mason, J.C. Young, "A Control Procedure for Autocorrelated Multivariate Processes," 156th American Statistical Association Annual Meeting, Anaheim, California, August 1997.

J.F. Maguire, "Processes of Soft Matter and Composites -- Integration of Materials Sensors with Process Models and Intelligent Control Algorithms," The Australia-Pacific Forum on Intelligent Processing and Manufacture of Materials, Gold Coast, Brisbane, Australia, July 1997.

J.F. Maguire, "Intelligent Processing of Polymer Composites," Workshop on the Intelligent Processing and Inspection of Polymer Composite Materials, Baltimore, Maryland, August 1997.

P.C. McKeighan, K.B. Smith, J.W. Cardinal, "Load Interaction Effects in Coupon Fatigue Tests Using a Railroad Tank Car Spectrum," International Mechanical Engineering Congress and Exposition, Dallas, Texas, November 1997.

R.C. McClung, D.L. Davidson, "Near-Tip and Remote Characterization of Plasticity-Induced Fatigue Crack Closure," ASTM Second Symposium on Advances in Fatigue Crack Closure Measurement and Analysis, San Diego, California, November 1997.

D.P. Meyers, G.D. Bourn, J.C. Hedrick, J.T. Kubesh, "Evaluation of Six Natural Gas Combustion Systems for Locomotive Application," SAE Fall Fuels and Lubricants Conference, Madison, Wisconsin, October 1997.

R.W. Nightingale, D.L. Chenette, E.E. Gaines, J.R. Sharber, R.A. Frahm, G. Crowley, R. Link, J.D. Winningham, "The Global Hemispheric Input Power from Electrons During the November 1993 Storm as Determined by the UARS Particle Environment Monitor," American Geophysical Union Meeting, San Francisco, California, December 1997.

O. Norber, S. Barabash, L. Andersson, R. Lundin, J.D. Winningham, "The MUNIN Nanosatellite: A Precursor to Magnetospheric Constellations," American Geophysical Union Meeting, San Francisco, California, December 1997.

R.A. Page, G.R. Leverant, "The Effect of Ni-Re Interlayers on Interdiffusion from MCrAlY Overlay Coatings," The Minerals, Metals, and Materials Society -- The American Institute of Mining, Metallurgical, and Petroleum Engineers Annual Meeting, San Antonio, Texas, February 1997.

J.W. Parker, "Ultraviolet Observations of Stars in the Magellanic Clouds," Hot Stars in Open Clusters of the Galaxy and the Magellanic Clouds Meeting, La Plata, Argentina, December 1997.

J.O. Parra, "Characterization of Fracture Reservoirs Using Static and Dynamic Data: From Sonic and 3D-Seismic to Permeability Distribution," Oil Technology and Gas Environmental Review Conference, Houston, Texas, June 1997.

Y. Patel, D. Tamboli, V.H. Desai, N.S. Cheruvu, "Environmental Degradation of Gas Turbine Materials," International Gas Turbine Aero Engine Congress and Exhibition, Orlando, Florida, June 1997.

T.W. Ryan, "Fischer-Tropsch Diesel and Kerosene and Jet Fuel Performance in Combustion Engines," Monetizing Stranded Gas Reserves Conference, Houston, Texas, December 1997.

T.W. Ryan, "Heavy Duty Diesel Engine Emission Characteristics on Fischer-Tropsch Diesel Fuels," Bloomberg Financial Conference, New York, New York, October 1997.

T.W. Ryan, "Fuel Sensitivity of Modern Heavy Duty Diesel Engines," Engineering Foundation Conference on Engines for Automobiles, San Diego, California, September 1997.

T.W. Ryan, T.J. Callahan, "Internal Combustion Engines -- Technology Summary," Department of Energy Tutorial Course, Pittsburgh, Pennsylvania, December 1997.

M.J. Sablik, D.C. Jiles, M.R. Govindaraju, "Finite Element Simulation of Creep Damage Effects on a Magnetic Detector Signal for a Seam Weld/HAZ Region in Steel Pipe," EPRI NDE for Damage Assessment Workshop, La Jolla, California, October 1997.

M.J. Sablik, D.C. Jiles, M.R. Govindaraju, "Finite Element Modeling of the Effect of Creep Damage on a Magnetic Detector Signal for the Case of Seam-Welded Steel Pipes," Review of Progress in Quantitative NDE Seminar at the University of San Diego, San Diego, California, August 1997.

M.J. Sablik, "Modeling of the Effects of Torsional Stress on Magnetization," Iowa State University Seminar, Ames, Iowa, September 1997.

J.A. Sills, B.C. Brown, P.A. Raymond, "Application of High-Speed Modem Technology to Offshore Communication and Control," Offshore Technology Conference, Houston, Texas, May 1997.

H.S. Silvus, "Failure Analysis of Passive Components," International Symposium for Testing and Failure Analysis, Santa Clara, California, October 1997.

C.N. Smith, "A Confirming Naval COMINT ES (Communications Intelligence Electronic Surveillance) Network," International Maritime Defence Exhibition and Conference, Greenwich, United Kingdom, October 1997.

J.A. Smith, G.J. Bartley, "Stoichiometric Operation of a Gas Engine Utilizing Synthesis Gas and EGR for NOx Control," Western States Combustion Institute Fall Conference, Diamond Bar, California, October 1997.

J.A. Smith, G.J. Bartley, "Using Syngas in a Heavy-Duty, Lean-Burn Natural Gas Engine as a Means of NOx Reduction," 19th Annual Fall Technical Conference of the ASME Internal Combustion Engine Division, Madison, Wisconsin, September 1997.

K.B. Smith, J.W. Cardinal, P.C. McKeighan, "Stub-Sill Tank Car Damage Tolerance Analysis Full-Scale Validation Test," International Mechanical Engineering Congress and Exposition, Dallas, Texas, November 1997.

R.F. Solberg, H.C. Burghard, "Failure Analysis of an Antenna Assembly," International Mechanical Engineering Congress and Exposition, Dallas, Texas, November 1997.

K.J. Springer, "Implications of Increased Vehicle Use in India to Fuels, Lubricants, and Emissions," International Symposium on Fuels and Lubricants, New Delhi, India, December 1997.

S.A. Stern, "46P/Wirtanen: Rosetta's Mission Target," Space Science Department Seminar at Southwest Research Institute, San Antonio, Texas, October 1997.

S.A. Stern, "Constraints on Atomic Species Abundances in Io's Upper Atmosphere," Io Conference at Lowell Observatory, Flagstaff, Arizona, September 1997.

S.A. Stern, "Hubble Space Telescope Ultraviolet Spectroscopy of Comet 46P/Wirtanen," European Space Agency/European Space Technology Center Conference, Naples, Italy, December 1997.

S.A. Stern, "Pluto and the Accretion in the Kuiper Disk," Physics and Astronomy Department Seminar at Northern Arizona University, Flagstaff, Arizona, September 1997.

S.A. Stern, "The Potential for Planetary Astronomy at the South Pole," Astronomical Society of the Pacific Meeting and Workshop on Polar Astronomy, Chicago, Illinois, July 1997.

S.A. Stern, "UV Studies on the New Millennium Deep Space 1 Mission," New Millennium Deep Space 1 Science Team Meeting, Pasadena, California, November 1997.

D.W. Stewart, T.W. Ryan, A.C. Matheaus, "NOx Combustion in Heavy Duty Diesel Engines -- What is the Limit?" SAE International Congress and Exposition, Detroit, Michigan, February 1998.

V.P. Swaminathan, "Advanced Gas Turbine Alloys and Life Prediction Methods," American Society of Mechanical Engineers Turbo Asia-97, Singapore, October 1997.

V.P. Swaminathan, "Assuring the Reliability of Refurbished Gas Turbine Hot Section Components," ASME Turbo Asia-97, Singapore, October 1997.

V.P. Swaminathan, "Durability and Life Assessment of GTD-111 Gas Turbine Buckets," Combustion Turbine Operators Task Force Meeting, Charlotte, North Carolina, April 1997.

V.P. Swaminathan, "Life Prediction of Hot Section Components and Coatings," American Society of Mechanical Engineers Turbo Expo-97, Orlando, Florida, June 1997.

W.K. Tobiska, W.R. Pryor, J.M. Ajello, C.W. Hord, R.A. West, G.R. Gladstone, "Galileo Ultraviolet Spectrometer Measurements of Jupiter's Upper Atmosphere," American Geophysical Union Meeting, San Francisco, California, December 1997.

N.D. Westenhaver, "ISO 9000 Quality System History and CM/DM Requirements," American Defense Preparedness Association 37th Technical Information Symposium, Scottsdale, Arizona, June 1997.

J.D. Winningham, J.R. Scherrer, W. Keith, O. Norberg, R. Lundin, "MUNIN Nanosatellite Science Goals," American Geophysical Union Meeting, San Francisco, California, December 1997.

K.H. Wright, N.H. Stone, U. Samir, P. Israelevich, J. Sorensen, J.D. Winningham, "Near Wake Depletion of Non-Magnetized Bodies Immersed in Mesosonic Plasma Flow," American Geophysical Union Meeting, San Francisco, California, December 1997.

M. WŁest, M.M. Huddleston, J.L. Burch, D.L. Dempsey, P.D. Craven, M.O. Chandler, W.K. Peterson, H.L. Collin, W. Lennartsson, "Magnetospheric Response to the Arrival of the Shock Wave in Front of the Magnetic Cloud Event of January 10, 1997," American Geophysical Union Meeting, San Francisco, California, December 1997.

Appointments

Walter D. Downing, SwRI executive vice president of Operations, was recently selected as a new member to the Advisory Council for the College of Business at The University of Texas at San Antonio.

Dan Bates, newly elected SwRI president, has accepted an invitation to represent Southwest Research Institute on the American Society of Mechanical Engineers' (ASME) Industry Advisory Board.

Internal Research Projects

D.M. Deffenbaugh, M.A. Miller, P.P. Paul, "Mars In-Situ Oxygen Production."

D.C. Varner, J.D. Micheletti, "Development of a Generalized Model of Crowd, Mob, and Riot Behavior for Law Enforcement and Emergency Services Application."

M.E. Epperly, J.M. Stone, "Evolution of a Stand-Alone Telemetry Collection Processor for an Autonomous Command and Data Handling System."

R.L. Johnson, J.A. Sills, "An Innovative First AOA/TDOA Direction Finding Technology Development for Multipath Propagation Environments."

J.E. Hipp, "Exploiting Ionospheric Sounders for Skywave Direction Finding Calibration."

G.L. Burkhardt, J.L. Fisher, "Eddy Current Meander Probe Array."

M.S. Jarzemba, E.C. Pearcy, D.A. Pickett, J.R. Weldy, "Apparatus for Elemental Analyses of Gold by Activation Using a Neutron Source."

M.B. Treuhaft, "Segregation of Wear Material in Aqueous Engine Systems Using Radioactive Tracer Technology."

S.D. Royse, S.M. Porter, "FMS-800 Flight Management Systems Training."

K.C. Golas, S.D. Royse, "Demonstration of Virtual Reality System for the Vanguard-Class Submarine."

M.J. Sablik, "A Quick Look at Measurement of Biaxial Stress by Magnetic Barkhausen Noise Measurement Using Both Experiment and Modeling."

Q. Ni, J. Ma, J.D. King, "MR Applications in Microgravity Conditions."

K.A. Lysiak, J.E. Hipp, "Radiolocation Antenna Array Development for Mobile Communications Systems."

C.B. Connor, P. La Femina, "Development of the All-Terrain Bicycle Geomagnetic Mapping System."

J.A. Moryl, R.T. Bentley, M.P. Castles, "Advanced SABER™ (Situational Awareness BEacon with Reply) Architecture."

Patents

J.L. De La Cruz, R.M. Estefan (deceased), "Test Apparatus and Method for Determining Deposit Formation Characteristics of Fuels," U.S. Patent No. 5,693,874, December 2, 1997.

M.L. Deviney, J.J. Kampa, "High Strength Thermoset Copolymers Incorporating Modified Bisoxazoline Monomers," U.S. Patent No. 5,644,006, July 1, 1997.

G.J. Hatton, "System and Method for Maintaining Multiphase Flow with Minimal Solids Degradation," U.S. Patent No. 5,660,617, August 26, 1997.

R.C. Meyer, "Sparkplug/Pressure Sensor Device," U.S. Patent No. 5,672,812, September 30, 1997.

S.T. Wellinghoff, "Metal Oxide-Polymer Composites," U.S. Patent No. 5,670,583, September 23, 1997.

S.T. Wellinghoff, "Method of Making an Amine Containing Biocidal Composition," U.S. Patent No. 5,668,185, September 16, 1997.

S.T. Wellinghoff, J.J. Kampa, "Sustained Release Biocidal Composition," U.S. Patent No. 5,650,446, July 22, 1997.

S.T. Wellinghoff, J.J. Kampa, D.E. Barlow, "Method of Making a Powdered Biocidal Composition," U.S. Patent No. 5,695,814, December 9, 1997.

S.T. Wellinghoff, J.J. Kampa, "Multilayered Biocidal Film Compositions," U.S. Patent No. 5,705,092, January 6, 1998.

S.T. Wellinghoff, J.J. Kampa, D.E. Barlow, "Powdered Biocidal Compositions," U.S. Patent No. 5,707,739, January 13, 1998.

Published in the Spring 1998 issue of Technology Today®, published by Southwest Research Institute. For more information, contact Joe Fohn.

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