305
305
Jul 11, 2010
07/10
by
Brunner, W. C.; Maestre, M. F
texts
eye 305
favorite 0
comment 0
No Abstract Available
Topics: IGNEOUS ROCKS, SILICON OXIDES, AEROSPACE SCIENCES, QUARTZ
218
218
Jun 26, 2010
06/10
by
Lokerson, D. C
texts
eye 218
favorite 0
comment 0
Voltage controlled, variable frequency relaxation oscillator with MOSFET variable current feed
Topics: AERONAUTICS, ASTRONAUTICS, AEROSPACE SCIENCES, AIRCRAFT PILOTS, HISTORIES, U.S.S.R.
669
669
Jul 6, 2010
07/10
by
ZAVALOVA, N. D.; PONOMARENKO, V. A
texts
eye 669
favorite 0
comment 0
No Abstract Available
Topics: AEROSPACE ENGINEERING, AEROSPACE SCIENCES, MUSEUMS, BUDGETS, CALIFORNIA, PLANETARIUMS
1,276
1.3K
Jul 6, 2010
07/10
by
NOVITSKIY, Y. I.; GORDON, Z. V.; PRESMAN, A. S.; KHOLODOV, Y. A
texts
eye 1,276
favorite 0
comment 0
No Abstract Available
Topics: AEROSPACE ENGINEERING, AEROSPACE SCIENCES, MUSEUMS, BUDGETING, CALIFORNIA, MANAGEMENT
175
175
Jul 11, 2010
07/10
by
Cortese, R.; Kammen, H. O.; Spengler, S. J.; Ames, B. N
texts
eye 175
favorite 0
comment 0
No Abstract Available
Topics: INTERPLANETARY MEDIUM, PARTICLES, SOLAR FLARES, AEROSPACE SCIENCES, OGO
220
220
Jul 11, 2010
07/10
by
NON
texts
eye 220
favorite 0
comment 0
No Abstract Available
Topics: AEROSPACE SCIENCES, ASTRONOMY, HEAVY IONS, LIFE SCIENCES, MOLECULAR STRUCTURE
6
6.0
texts
eye 6
favorite 0
comment 0
3 volumes : 25 cm
Topics: Telescopes -- Research, Telescopen, Telescópios, TELESCOPES, RESEARCH, ASTROPHYSICS, AEROSPACE...
262
262
Jun 20, 2010
06/10
by
Kaneshige, K
texts
eye 262
favorite 0
comment 0
Space development and space-related technology in Japan
Topics: AEROSPACE SCIENCES, JAPAN, SPACE PROGRAMS, RESEARCH PROJECTS, SPACE COMMERCIALIZATION
319
319
Jul 6, 2010
07/10
by
MEINERI, G
texts
eye 319
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comment 0
THE PROBLEM OF SUBGRAVITY IS DISCUSSED WITH AN ACCOUNT OF THE MOST CREDITABLE EXPERIMENTAL SOLUTIONS DEVISED IN THE PAST 10 YEARS OF SPACE FLIGHT. THE CHIEF METHODS AND APPARATUS USED TO SIMULATE SUBGRAVITY CONDITIONS ARE DESCRIBED AND A DISTINCTION WAS MADE BETWEEN GROUND METHODS AND THE MORE CUMBERSOME METHODS OF PARABOLIC FLIGHT, AND SUBORBITAL AND ORBITAL LAUNCHING OF MISSILES THROUGH WHICH SUBGRAVITY CONDITIONS CAN BE ATTAINED. A DESCRIPTION IS GIVEN OF THE SUBGRAVITY TOWER DESIGNED AND...
Topics: SCIENTISTS, U.S.S.R. SPACE PROGRAM, AEROSPACE SCIENCES, RESEARCH, RESEARCH PROJECTS
297
297
Jul 11, 2010
07/10
by
Macdougall, D.; Hutcheon, I. D.; Price, P. B
texts
eye 297
favorite 0
comment 0
No Abstract Available
Topics: NUCLEI (NUCLEAR PHYSICS), SPARK CHAMBERS, AEROSPACE SCIENCES, CHARGED PARTICLES, VIBRATION
0
0.0
Jul 26, 2022
07/22
by
Engelbert, Phillis
texts
eye 0
favorite 1
comment 0
xviii, 576 pages : 24 cm
Topics: Astronomy -- Miscellanea, Astronomie -- Miscellanées, Astronomy, ASTRONOMY, AEROSPACE SCIENCES,...
513
513
Jul 11, 2010
07/10
by
Macha, J
texts
eye 513
favorite 0
comment 0
Pressure distributions around circular and circular/strake cylinders were measured in a wind tunnel at Mach numbers from 0.6 to 1.2 with Reynolds number independently variable from 10,000 to 100,000. The local pressures are integrated over the cylinder surface to determine the variation of drag coefficient with both Mach number and Reynolds number. Effects of tunnel blockage are evaluated by comparing results from circular cylinders of various diameters at common Mach and Reynolds number...
Topics: AEROSPACE ENGINEERING, AEROSPACE SCIENCES, LIFE SUPPORT SYSTEMS, ASTRONAUTICS, TECHNOLOGICAL...
183
183
Jun 19, 2010
06/10
by
Stuhlinger, E
texts
eye 183
favorite 1
comment 0
Space travel research problems
Topics: AEROSPACE SCIENCES, IMPROVEMENT, NASA PROGRAMS, UNIVERSITY PROGRAM, NASA PROGRAM, SPACE SCIENCE
212
212
May 31, 2011
05/11
by
Magahami, Peiman G.; Cox, David E
texts
eye 212
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comment 0
Control of flexible systems under degradation or failure of sensors/actuators is considered. A Linear Matrix Inequality framework is used to synthesize H(sub infinity)-based controllers, which provide good disturbance rejection while capable of tolerating real parameter uncertainties in the system model, as well as potential degradation or failure of the control system hardware. In this approach, a one-at-a-time failure scenario is considered, wherein no more than one sensor or actuator is...
Topics: EDUCATION, INSTRUCTORS, UNIVERSITIES, STUDENTS, AEROSPACE SCIENCES, MATHEMATICS, SCIENCE, RESEARCH...
508
508
Aug 1, 2010
08/10
by
Siler, Willia
texts
eye 508
favorite 0
comment 0
No Abstract Available
Topics: AEROSPACE TECHNOLOGY TRANSFER, EMPLOYMENT, NASA PROGRAMS, AEROSPACE SCIENCES, EDUCATION, PERSONNEL...
1,572
1.6K
Sep 20, 2010
09/10
by
NON
texts
eye 1,572
favorite 0
comment 0
This conference publication includes 40 papers and abstracts presented at the Flight Mechanics/Estimation Theory Symposium on May 5-7, 1992. Sponsored by the Flight Dynamics Division of Goddard Space Flight Center, this symposium featured technical papers on a wide range of issues related to orbit-attitude prediction, determination, and control; attitude sensor calibration; attitude determination error analysis; attitude dynamics; and orbit decay and maneuver strategy. Government, industry, and...
Topics: AEROSPACE SCIENCES, EDUCATION, NASA SPACE PROGRAMS, UNIVERSITY PROGRAM, AEROSPACE ENGINEERING,...
330
330
May 30, 2011
05/11
by
Thio, Y. C. Francis; Eskridge, Richard; Smith, James; Lee, Michael; Richeson, Jeff; Schmidt, George; Knapp, Charles E.; Kirkpatrick, Ronald C.; Turchi, Peter J., et al
texts
eye 330
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Magnetized target fusion (MTF) attempts to combine the favorable attributes of magnetic confinement fusion (MCF) for energy confinement with the attributes of inertial confinement fusion (ICF) for efficient compression heating and wall-free containment of the fusing plasma. It uses a material liner to compress and contain a magnetized plasma. For practical applications, standoff drivers to deliver the imploding momentum flux to the target plasma remotely are required. Spherically converging...
Topics: AEROSPACE ENGINEERING, RESEARCH, NASA PROGRAMS, EDUCATION, AERODYNAMICS, AEROSPACE SCIENCES,...
The 2003 Space Science Enterprise Strategy represents the efforts of hundreds of scientists, staff, and educators, as well as collaboration with the other NASA Enterprises. It reveals the progress we have made, our plans for the near future, and our opportunity to support the Agency's Mission to "explore the universe and search for life." Space science has made spectacular advances in the recent past, from the first baby pictures of the universe to the discovery of water ice on Mars....
Topics: NASA Technical Reports Server (NTRS), NASA PROGRAMS, AEROSPACE SCIENCES, STRATEGY, PLANNING,...
309
309
May 22, 2011
05/11
by
Lerch, F. J.; Smith, D. E.; Chan, J. C.; Patel, G. B.; Chinn, D. S
texts
eye 309
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Orbital sensitivity of the gravity field for high degree terms (greater than 30) is analyzed on satellites employed in a Goddard Mars Model GMM-1, complete in spherical harmonics through degree and order 50. The model is obtained from S-band Doppler data on Mariner 9 (M9), Viking Orbiter 1 (VO1), and Viking Orbiter 2 (VO2) spacecraft, which were tracked by the NASA Deep Space Network on seven different highly eccentric orbits. The main sensitivity of the high degree terms is obtained from the...
Topics: AEROSPACE ENGINEERING, AEROSPACE SCIENCES, EDUCATION, INFORMATION DISSEMINATION, AEROSPACE...
408
408
Jul 6, 2010
07/10
by
MIYAKAWA, Y.; SEKI, K.; YOKOYAMA, M
texts
eye 408
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comment 0
EXPERIMENTS CONDUCTED TO STUDY THE LIMITING SPEED AND BEARING PERFORMANCE OF DEEP GROOVE AND ANGULAR CONTACT BALL BEARINGS SHOW THAT: (1) LIMITATIONS IN LUBRICATION AND STRENGTH AFFECT THE SPEED LIMIT OF ROLLER BEARINGS; AND (2) CAGE GUIDE TYPE, CONFIGURATION, AND MATERIAL GREATLY INFLUENCE THE LIMITING DN VALUES AND THE OIL FLOW.
Topics: AEROSPACE SCIENCES, ENERGY TRANSFER, ENERGY SOURCES, PLASMA PHYSICS, ROCKET ENGINES, SOLAR SYSTEM
409
409
Jul 11, 2010
07/10
by
Turner, D. H.; Tinoco, I., Jr.; Maestre, M
texts
eye 409
favorite 0
comment 0
No Abstract Available
Topics: GAS DISCHARGES, LINE SPECTRA, ULTRAVIOLET SPECTRA, AEROSPACE SCIENCES, ELECTROMAGNETIC RADIATION,...
19
19
texts
eye 19
favorite 1
comment 0
490 pages : 24 cm
Topics: Astronomy -- Dictionaries, Astronomie -- Dictionnaires anglais, Astronomy, ASTRONOMY, AEROSPACE...
207
207
May 21, 2011
05/11
by
Barnes, Valerie B
texts
eye 207
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comment 0
The current generation of spacecraft being developed and operated by the Applied Physics Laboratory provides users with access to a broad spectrum of scientific instruments on maneuverable platforms that can be oriented for observation of both moving and stationary targets of interest. The capability of these increasingly complex spacecraft to perform data collection operations is approaching one observation per orbit. To enable both rapid configuration and generation of complex spacecraft...
Topics: AEROSPACE INDUSTRY, AEROSPACE SCIENCES, CONFERENCES, SURVEYS, TECHNOLOGIES, AEROSPACE ENGINEERING,...
634
634
texts
eye 634
favorite 0
comment 0
The present invention describes a process for converting vapor streams from sources containing at least one nitrogen-containing oxidizing agent therein to a liquid fertilizer composition comprising the steps of: a) directing a vapor stream containing at least one nitrogen-containing oxidizing agent to a first contact zone; b) contacting said vapor stream with water to form nitrogen oxide(s) from said at least one nitrogen-containing oxidizing agent; c) directing said acid(s) as a second stream...
Topics: AEROSPACE SCIENCES, SPACECRAFT CONTROL, LAUNCHING BASES, GENERAL AVIATION AIRCRAFT, EDUCATION,...
249
249
Jun 17, 2010
06/10
by
NON
texts
eye 249
favorite 0
comment 0
NASA supported space science fellowships
Topics: AEROSPACE SCIENCES, NASA PROGRAMS, RESEARCH PROJECTS, NASA PROGRAM, RESEARCH PROJECT, SPACE SCIENCE
Papers supporting the study on establishing an aerospace museum in the western United States are presented. These cover the following areas of investigation: (1) The potential locations in the west were analyzed, and the most logical locations for museum development are Los Angeles, San Francisco, San Diego, Seattle, and Phoenix/Tucson. (2) The 26 museums and other organizations with significant public displays of aeronautics, astronautics, or astronomy are listed. (3) The activities and...
Topics: NASA Technical Reports Server (NTRS), AEROSPACE ENGINEERING, AEROSPACE SCIENCES, MUSEUMS,...
A survey of existing aerospace museums in the U.S. and a study of the feasibility of establishing an aerospace museum in the western U.S. are summarized. It is recommended that prime consideration be given to carefully considered support of development of existing aerospace exhibits rather than establishment of a new major museum. In the event that the decision is made to pursue the establishment of a new museum, Los Angeles is considered to be the most favorable location. In particular,...
Topics: NASA Technical Reports Server (NTRS), AEROSPACE ENGINEERING, AEROSPACE SCIENCES, MUSEUMS, BUDGETS,...
257
257
Jul 11, 2010
07/10
by
Holzwarth, G.; Gordon, D. G.; Mcguinness, J. E.; Dorman, B. P.; Maestre, M. F
texts
eye 257
favorite 0
comment 0
No Abstract Available
Topics: APOLLO 12 FLIGHT, SURVEYOR 3 LUNAR PROBE, AEROSPACE SCIENCES, CAMERAS, MOON, SPACEBORNE PHOTOGRAPHY
316
316
Sep 20, 2010
09/10
by
Seidewitz, E
texts
eye 316
favorite 0
comment 0
The effective use of Ada requires the adoption of modern software-engineering techniques such as object-oriented methodologies. A Goddard Space Flight Center Software Engineering Laboratory Ada pilot project has provided an opportunity for studying object-oriented design in Ada. The project involves the development of a simulation system in Ada in parallel with a similar FORTRAN development. As part of the project, the Ada development team trained and evaluated object-oriented and...
Topics: AEROSPACE SCIENCES, EDUCATION, NASA PROGRAMS, RESEARCH PROJECTS, UNIVERSITY PROGRAM, RESEARCH...
This compilation of abstracts describes and indexes the technical reporting that resulted from the scientific and engineering work performed and managed by the Lewis Research Center in 1993. All the publications were announced in the 1993 issues of STAR (Scientific and Technical Aerospace Reports) and/or IAA (International Aerospace Abstracts). Included are research reports, journal articles, conference presentations, patents and patent applications, and theses.
Topics: NASA Technical Reports Server (NTRS), ABSTRACTS, AEROSPACE SCIENCES, INDEXES (DOCUMENTATION),...
This reference was originally compiled as a tool for abstracters who need to know the expansion of acronyms they may encounter in the texts they are analyzing. It is a general rule of abstracting at the NASA Center For Aerospace Information (CASI) that acronyms are expanded in the abstract to enhance both information content and searchability. Over the last 22 years, abstracters at CASI have recorded acronyms and their expansions as they were encountered in documents. This is therefore an...
Topics: NASA Technical Reports Server (NTRS), ABBREVIATIONS, AEROSPACE SCIENCES, DICTIONARIES,...
1,410
1.4K
Sep 20, 2010
09/10
by
NON
texts
eye 1,410
favorite 3
comment 0
This present collection was inspired by seven papers prepared by the NASA Alumni League, illustrating the members' systems engineering experience. These papers make up the heart of this collection. We have supplemented them with papers describing industry processes and other governmental practices to illustrate the diversity of systems engineering as it is formulated and practiced. This is one discipline that clearly benefits from cross-fertilization and infusion of new ideas. There is also a...
Topics: AEROSPACE ENGINEERING, AEROSPACE SCIENCES, EDUCATION, NASA SPACE PROGRAMS, SCHOOLS, YOUTH,...
319
319
Jun 12, 2011
06/11
by
Prosser, W. H.; Seale, Michael D.; Smith, Barry T
texts
eye 319
favorite 0
comment 0
Accurate knowledge of the velocity dispersion of Lamb modes is important for ultrasonic nondestructive evaluation methods used in detecting and locating flaws in thin plates and in determining their elastic stiffness coefficients. Lamb mode dispersion is also important in the acoustic emission technique for accurately triangulating the location of emissions in thin plates. In this research, the ability to characterize Lamb mode dispersion through a time-frequency analysis (the pseudo...
Topics: INTERNATIONAL COOPERATION, EDUCATION, AEROSPACE SCIENCES, MANNED SPACE FLIGHT, SPACE PROGRAMS,...
Five classes of publications are included in this bibliography: (1) Technical Reports in which the information is complete for a specific accomplishment and is intended for a wide audience. (2) Articles from the bimonthly Deep Space Network Progress Report. Each volume's collection of articles presents a periodical survey of current accomplishments by the Deep Space Network. (3) Technical Memorandums, in which the information is complete for a specific accomplishment but is intended for a...
Topics: NASA Technical Reports Server (NTRS), DEEP SPACE NETWORK, INDEXES (DOCUMENTATION), ABSTRACTS,...
447
447
Jul 23, 2010
07/10
by
Anderson, Dave; Bull, John; Chisholm, Joh
texts
eye 447
favorite 0
comment 0
No Abstract Available
Topics: AEROSPACE SCIENCES, CATALOGS (PUBLICATIONS), CONFERENCES, DOCUMENTATION, INDEXES (DOCUMENTATION),...
208
208
Sep 20, 2010
09/10
by
Post, M. J
texts
eye 208
favorite 0
comment 0
During FY91 NOAA's research activities funded under NASA's RTOP program were centered on two areas: (1) infrared backscatter climatology; and (2) MACAWS.
Topics: AEROSPACE SCIENCES, NASA SPACE PROGRAMS, RESEARCH AND DEVELOPMENT, TECHNOLOGY UTILIZATION,...
This report was compiled from several different sources. Documents consulted included: Operations Summaries, post-launch Flash Flight Reports, Final Field Reports, Mission Operations Reports (both pre-launch and post-launch), and Satellite Situation Reports. Other major references were publications of the NASA Historical Office, such as: Aeronautics and Astronautics 1916-1960; Aeronautical and Astronautical Events of 1961-1962; Aeronautics and Astronautics (yearly editions since 1963); and...
Topics: NASA Technical Reports Server (NTRS), NASA PROGRAMS, SPACE PROGRAMS, SUMMARIES, AEROSPACE SCIENCES,...
This guide provides brief descriptions of the two NASA Headquarters program offices through which NASA primarily funds universities, the Office of Space Science and Applications and the Office of Aeronautics and Space Technology. It also describes NASA's Office of Commercial Programs, which funds the Centers for the Commercial Development of Space and the Small Business Innovation Research Program. This guide explains the roles played by NASA's eight field centers and the Jet Propulsion...
Topics: NASA Technical Reports Server (NTRS), EDUCATION, NASA PROGRAMS, UNIVERSITY PROGRAM, AEROSPACE...
This compilation of abstracts describes and indexes the technical reporting that resulted from the scientific and engineering work performed and managed by the Lewis Research Center in 1985. All the publications were announced in the 1985 issues of STAR (Scientific and Technical Aerospace Reports) and/or IAA (International Aerospace Abstracts). Included are research reports, journal articles, conference presentations, patents and patent applications, and theses.
Topics: NASA Technical Reports Server (NTRS), ABSTRACTS, AEROSPACE SCIENCES, DOCUMENTATION, INDEXES...
228
228
Jun 21, 2010
06/10
by
Forlifer, W. R.; Gaston, R. P., Jr.; Hopping, R. L
texts
eye 228
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comment 0
Vertically descending flight vehicle landing gear for rough terrain
Topics: MARS (PLANET), MISSION PLANNING, VIKING ROCKET VEHICLE, AEROSPACE SCIENCES, MAPPING, MARS LANDING,...
648
648
Jul 11, 2010
07/10
by
Fleming, D. P.; Hamrock, B. J
texts
eye 648
favorite 0
comment 0
Groove parameters were determined to maximize the stability of herringbone-grooved journal bearings. Parameters optimized were groove depth, width, length, and angle. Optimization was performed by using a small-eccentricity, infinite-groove analysis in conjunction with a previously developed Newton-Raphson procedure for bearings with the smooth member rotating or with the grooved member rotating at low compressibility numbers, and a newly developed vector technique for bearings with the grooved...
Topics: FLIGHT MECHANICS, RECOVERY PARACHUTES, RESCUE OPERATIONS, AEROSPACE SCIENCES, RESEARCH PROJECTS,...
The Johnson Space Center (JSC) document index is intended to provide a single source listing of all published JSC-numbered documents their authors, and the designated offices of prime responsibility (OPR's) by mail code at the time of publication. The index contains documents which have been received and processed by the JSC Technical Library as of January 13, 1988. Other JSC-numbered documents which are controlled but not available through the JSC Library are also listed.
Topics: NASA Technical Reports Server (NTRS), AEROSPACE ENGINEERING, AEROSPACE SCIENCES, INDEXES...
933
933
texts
eye 933
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comment 0
Research summary no. 36-10 - vol 1, june 1 to aug. 1, 1961
Topics: AEROSPACE SCIENCES, PROPULSION, SPACE SCIENCE, COMMUNICATION, CONTROL, GUIDANCE (MOTION), PHYSICAL...
773
773
Jun 1, 2010
06/10
by
Tuttle, F. B
texts
eye 773
favorite 0
comment 0
Conference on scientific education, installations, and systems, and space science program
Topics: AEROSPACE SCIENCES, SCIENCE, SPACE SCIENCE, CONFERENCES, EDUCATION, INSTALLING, NASA PROGRAMS,...
462
462
May 29, 2011
05/11
by
Haisch, Bernhard; Rueda, Alfons
texts
eye 462
favorite 0
comment 0
This is a study in the area of theoretical physics exploring the possible connection and its implications between the electromagnetic zero-point field of the quantum vacuum and the inertia of matter.
Topics: THESAURI, INFORMATION RETRIEVAL, DATA BASES, HIERARCHIES, TERMINOLOGY, AEROSPACE SCIENCES,...
Have you found yourself asking questions such as: "What needs to be considered when working with students? How can I best communicate my science to the public? I have an idea for an educational project, but how do I get money to make it happen?"? During this presentation, we will present case studies where scientists have engaged in meaningful dialogues and experiences with students, teachers, museum and science center staff, and the general public. We will also present products and...
Topics: NASA Technical Reports Server (NTRS), EDUCATION, STUDENTS, EARTH SCIENCES, AEROSPACE SCIENCES,...
The four-part cumulative supplement to the 1988 edition of the NASA Thesaurus includes the Hierarchical Listing (Part 1), Access Vocabulary (Part 2), Definitions (Part 3), and Changes (Part 4). The semiannual supplement gives complete hierarchies and accepted upper/lowercase forms for new terms.
Topics: NASA Technical Reports Server (NTRS), AEROSPACE SCIENCES, INDEXES (DOCUMENTATION), INFORMATION...
The International Space University (ISU) was founded in 1987 to provide young space professionals with an international, multi-disciplinary approach to space education. The organization has held six 10-week summer sessions at which students from throughout the world have studied space. In 1995, ISU plans to begin a one-year Ph.D.-level program in space studies. This paper examines the educational goals of ISU in the context of current education trends. It discusses how trends toward...
Topics: NASA Technical Reports Server (NTRS), AEROSPACE SCIENCES, EDUCATION, UNIVERSITIES, INTERNATIONAL...
245
245
Jun 17, 2010
06/10
by
Grjebine, T
texts
eye 245
favorite 0
comment 0
Origin of cosmic dust - space science
Topics: AEROSPACE SCIENCES, COSMIC DUST, NUCLEAR ELECTRIC POWER GENERATION, ORIGINS, TOROIDS, COSMIC DUST,...
155
155
May 31, 2011
05/11
by
NON
texts
eye 155
favorite 0
comment 0
Manugistics, Inc. (formerly AVYX, Inc.) has introduced a new programming language for IBM and IBM compatible computers called TREES-pls. It is a resource management tool originating from the space shuttle, that can be used in such applications as scheduling, resource allocation project control, information management, and artificial intelligence. Manugistics, Inc. was looking for a flexible tool that can be applied to many problems with minimal adaptation. Among the non-government markets are...
Topics: EDUCATION, MARYLAND, KENTUCKY, STUDENTS, AEROSPACE SCIENCES, TECHNOLOGY UTILIZATION, COOPERATION,...
