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    Viscous equilibrium computations using program LAURA

    Greene, Francis A. / Gupta, Roop N. | NTRS | 1992
    airflows under the assumption of thermal and chemical equilibrium. Equilibrium thermodynamic and transport property information are input to the ...

    Vibrational relaxation in the HF-HCl, HF-HBr, HF-HI, and HF-DF systems.

    Ahl, J. L. / Cool, T. A. | NTRS | 1973

    Unmanned planetary spacecraft chemical rocket propulsion.

    Burlage, H., Jr. / Gin, W. / Riebling, R. W. | NTRS | 1972
    Review of some chemical propulsion technology advances suitable for future unmanned spacecraft applications. Discussed system varieties ...

    Transient photoconductivity in azulene single crystals

    Sonnonstine, T. J. / Wiglesworth, A. / Hermann, A. M. | NTRS | 1973

    The resources of Mars for human settlement

    Meyer, Thomas R. / Mckay, Christopher P. | NTRS | 1989
    Spacecraft exploration of Marshas shown that the essential resources necessary for life support are present on the Martian surface. The key ...

    The determination of the potential function governing the low frequency bending mode of disiloxane

    Durig, J. R. / Flanagan, M. J. / Kalasinsky, V. F. | NTRS | 1977

    The Composite Infrared Spectrometer

    Calcutt, Simon / Taylor, Fredric / Ade, Peter et al. | NTRS | 1992
    the possibility of discovery of previously undetected chemical species in these atmospheres. The long wavelengths accessible to CIRS allow ...

    Surface composition of solid-rocket exhausted aluminum oxide particles

    Cofer, Wesley R., III / Winstead, Edward L. / Key, Lawrence E. | NTRS | 1989
    potential physical/chemical modification of the SRPA particle surfaces and their corresponding interaction with the atmosphere. ...

    Stationary premixed flames in spherical and cylindrical geometries

    Ronney, P. D. / Whaling, K. N. / Abbud-Madrid, A. et al. | NTRS | 1994
    ) environments in a drop tower and an aircraft flying parabolic trajectories to diminish the impact of buoyancy-induced convective flow. Flame balls were ...

    Space Shuttle externally induced environment compared with Skylab's natural environment

    Susko, Michael | NTRS | 1990
    Electret measurements obtained of the particulate contamination environment within the Space Shuttle Orbiter's cargo bay are presently ...

    Solar sail Engineering Development Mission

    Price, H. W. | NTRS | 1981
    spacecraft will then use its own chemical propulsion system to raise the perigee to at least 1,200 km. The deployed sail will have an area of 880 sq ...

    Recent trends in stratospheric ozone - Implications of ozone and temperature correlation

    Chandra, S. | NTRS | 1990
    the linear trend in ozone from 1979 to 1986. The ozone and temperature variabilities are coupled through chemical and dynamical processes. In ...

    Prohibited autodetachment in OD- formed by collisions of O- with D2.

    Doverspike, L. D. / Champion, R. L. / Lam, S. K. | NTRS | 1973

    Prediction of self-pressurization rate of cryogenic propellant tankage

    Hochstein, John I. / Ji, Hyun-Chul / Aydelott, John C. | NTRS | 1990
    chemical-propulsion orbit transfer vehicle. The computational predictions show that even small amounts of subcooling will significantly decrease ...

    On the determination of thermal accommodation coefficients in the temperature-jump region.

    Harris, R. E. | NTRS | 1967

    Nonequilibrium flow calculations for the hydrogen constricted arc

    Scott, R. K. / Incropera, F. P. | NTRS | 1973
    that although thermal nonequilibrium effects are minor, the departure from chemical equilibrium is significant. Comparisons with results ...

    Multiblock analysis for Shuttle Orbiter reentry heating from Mach 24 to Mach 12

    Gnoffo, Peter A. / Weilmuenster, K. James / Alter, Stephen J. | NTRS | 1994
    is described. The analysis is performed using the Langley Aerothermodynamic Upwind Relaxation Algorithm with a seven species chemical ...

    Millimeter and submillimeter spectrum of NO+

    Bowman, W. C. / Herbst, E. / De Lucia, F. C. | NTRS | 1982

    Microwave spectra of 1,3-difluoroallene and fluoroallene

    Ellis, P. D. / Li, Y. S. / Tong, C. C. et al. | NTRS | 1975

    Microspacecraft missions and systems

    Jones, Ross M. | NTRS | 1989
    The microspacecraft is defined as a fully functional spacecraft whose mass is on the order of 10 kg or less. The results of a recent ...

    Measurements of the O/+/ + N2 and O/+/ + O2 reaction rates from 300 to 900 K

    Chen, A. / Johnsen, R. / Biondi, M. A. | NTRS | 1978

    Magnesium fluoride as energy storage medium for spacecraft solar thermal power systems

    Lurio, Charles A. | NTRS | 1992
    high heat of fusion per unit mass at a high melting point (1536 K). Theoretical evaluation showed the basic chemical compatibility of liquid ...

    Magnesium and Carbon Dioxide - A Rocket Propellant for Mars Missions

    Shafirovich, E. IA. / Shiriaev, A. A. / Goldshleger, U. I. | NTRS | 1993
    fuels ensure the most impulse but poor inflammability of Be and high toxicity of its compounds put obstacles to their applications. Analysis of ...

    Lunar missions using advanced chemical propulsion: System design issues

    Palaszewski, Bryan | NTRS | 1994
    To provide the transportation of lunar base elements to the moon, large high-energy propulsion systems will be required. Advanced ...

    Low temperature specific heat of neodymium magnesium nitrate.

    Rauckhorst, W. H. / Fenichel, H. | NTRS | 1973

    Hydrogen ionization in the shock layer for entry into the outer planets

    Howe, J. T. | NTRS | 1974
    Approximate assessments are presented for the chemical state of the shock layer with respect to the hydrogen ionization reaction for ...

    Gaseous environment of the Shuttle early in the Spacelab 2 mission

    Pickett, Jolene S. / Murphy, Gerald B. / Kurth, William S. | NTRS | 1988
    seen during another experiment's gas purge. Orbiter chemical-release effects include: pressure increases of 200 percent up to 7 x 10 to the ...

    Formula for thermal accommodation coefficients.

    Goodman, F. O. / Wachman, H. Y. | NTRS | 1967
    Formula for thermal accommodation coefficient as basis for accommodation coefficient of monatomic gas-solid system calculation ...

    Feasibility Study of MEMS-Based Accelerator Grid Systems for Micro-Ion Engines: Electric Breakdown Characteristics

    Mueller, J. / Pyle, D. / Chakraborty, I. et al. | NTRS | 1999
    Low-temperature (LTO) chemical vapor deposited (CVD) silicon dioxide was investigated for use as an insulator material in microfabricated ...

    F-19 chemical shift tensor in group II difluorides.

    Vaughan, R. W. / Elleman, D. D. / Rhim, W.-K. et al. | NTRS | 1972

    Expert systems for automated maintenance of a Mars oxygen production system

    Huang, Jen-Kuang / Ho, Ming-Tsang / Ash, Robert L. | NTRS | 1992
    toward developing the methodology required to enable autonomous operation and control of these simple chemical processors at Mars. Failure ...

    Evaluation of the Munich Method for modeling rocket engine performance

    Zeleznik, Frank J. | NTRS | 1993
    chemical equilibrium program. An examination of the Munich Method shows that it contains several flaws. If these defects are corrected then the ...

    ESR and chemical study of p-polyphenylene formed by using an AlCl3-CuCl2 catalyst

    Lerner, N. R. | NTRS | 1974

    Effect of surface catalytic activity on stagnation heat-transfer rates.

    Anderson, L. A. | NTRS | 1973
    -density stagnation-point boundary layers. Data were obtained in arc-heated facilities that were capable of producing large percentages of chemical ...

    Effect of Departure Delays on Manned Mars Mission Selection

    Desai, Prasun N. / Tartabini, Paul V. | NTRS | 1995
    alleviate the IMLEO penalties. Three different classes of missions are analyzed, using chemical and nuclear thermal propulsion systems in the 2000 ...
    Verlag: American Inst. of Aeronautics and Astronautics

    Dry-surface coating method for visualization of separation on a bluff body

    Sadeh, W. Z. / Brauer, H. J. / Durgin, J. R. | NTRS | 1981
    body wake of a gas able to produce a base through chemical reaction with the solvent of the conditioning solution; and (5) color reaction ...

    Distribution of reaction products /theory/. VIII - Cl + HI, Cl + DI.

    Parr, C. A. / Polanyi, J. C. / Wong, W. H. | NTRS | 1973

    Direct Observation of Nucleus Structure and Nucleation Pathways

    Vekilov, Peter G. / Yau, S.-T. | NTRS | 2001

    Direct numerical simulations of a reacting mixing layer with chemical heat release

    Mcmurtry, P. A. / Jou, W.-H. / Riley, J. J. et al. | NTRS | 1986

    CRRES plasma wave experiment

    Anderson, Roger R. / Gurnett, Donald A. / Odem, Daniel L. | NTRS | 1992
    interactions affecting the plasma and particle environment in the plasmasphere and magnetosphere as well as for studying the chemical releases. The ...

    Correlation of thermomagnetic behavior of carbonaceous chondrites with chemical petrographic classification

    Rowe, M. W. | NTRS | 1976

    Computation of unsteady shock-induced combustion using logarithmic species conservation equations

    Wilson, Gregory J. / Sussman, Myles A. | NTRS | 1993
    usefulness of the ballistic-range experiments for the validation of numerical techniques and chemical kinetic models is also demonstrated. ...

    Commercial prospects for extraterrestrial materials

    Criswell, D. R. / Waldron, R. D. | NTRS | 1978
    base for chemical processing. Cost factors would be comparable to those of the terrestrial deployment of the first SPS, and such a project ...

    Chemical-release mission of CRRES

    Reasoner, David L. | NTRS | 1992
    from the chemical-release experiments performed to date are (1) demonstration of critical velocity ionization over a narrow range of parameter ...

    Chemical recombination in an expansion tube

    Bakos, Robert J. / Morgan, Richard G. | NTRS | 1994
    The note describes the theoretical basis of chemical recombination in an expansion tube which simulates energy, Reynolds number, and stream ...

    Chemical propulsion - The old and the new challenges

    Mccarty, J. P. / Lombardo, J. A. | NTRS | 1973
    The historical background concerning the application of liquid propellant rockets is considered. Progress to date in chemical liquid ...

    Chemical nonequilibrium effects on flowfields for aeroassisted orbital transfer vehicles

    Shinn, J. L. / Jones, J. J. | NTRS | 1985

    Chemical launch system options for microspacecraft

    Sargent, Mark G. | NTRS | 1989
    attention is given to the capabilities of Piggyback, small launch vehicles, and large launch vehicles. It is noted that Piggyback options on the ...

    Chemical analysis experiment for the Surveyor lunar mission.

    Franzgrote, E. / Knolle, K. / Patterson, J. H. et al. | NTRS | 1967
    Lunar surface chemical composition analysis by Surveyor-borne instrument based on alpha interaction with matter ...
    Schlagwörter: CHEMICAL ANALYSIS

    Ballistic Mercury orbiter mission via Venus and Mercury gravity assists

    Yen, Chen-Wan Liu | NTRS | 1989
    available NASA STS and a single-stage bipropellant chemical rocket. This superior payload performance is attained by swingbys of Venus, plus more ...

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