7,062 Matching Results

Search Results

Results: 1 - 24 next
open access

Final Environmental Statement on the Glenwood Springs Resource Management Plan

Description: Report presenting a final environmental impact statement (EIS) for the Glenwood Springs Resource Area in Colorado, which describes and analyzes the Proposed Resource Management Plan. Discussed are the purpose and need for action, issues and planning criteria, the proposed plan, affected environment, environmental consequences of the proposed plan, a summary of public comments, and consultation and coordination activities undertaken in development of the plan.
Date: June 15, 1983
Creator: United States. Bureau of Land Management. Grand Junction District Office.
Location: See Bounding Coordinates
Partner: UNT Libraries Government Documents Department
open access

Advanced Coal Fueled Combustor/Heat Exchanger Technology Study: Quarterly Technical Progress Report No. 3

Description: Quarterly progress report discussing a study to advance coal fueled combuster/heat exchanger technology. This report discusses projects related to cycle analyses, working fluids analysis, combustor design, combuster/heat exchange analyses, materials selection, and program reviews. Work in each area is described with data presented in tables, charts, and graphs.
Date: December 15, 1977
Creator: Lucci, A. D.
Partner: UNT Libraries Government Documents Department
open access

Effect of Helium on Stress-Rupture Behavior of Types 304 and 316 Stainless Steels

Description: Report describing stress-rupture tests on flat tensile samples conducted in vacuum at an elevated temperature. Materials, heat treatments and initial micro-structure, and strain analysis are discussed and the testing results are presented and discussed.
Date: April 15, 1970
Creator: Garr, K. R.; Kramer, D. & Rhodes, C. G.
Partner: UNT Libraries Government Documents Department
open access

High Heat Flux Heater Development Status Report II

Description: Report describing the development of a high heat flux heater for use in corrosion rate and stress-rupture tests of fuel cladding materials in a sodium environment. The report describes modifications in heater design to improve heater life. Compatibility, simulated heater, and various heater tests are described in the report and the results are discussed.
Date: July 15, 1969
Creator: Babbe, E. L.; Shively, J. H. & Mahoney, M. W.
Partner: UNT Libraries Government Documents Department
open access

Numerical Computation of Neutron Distribution and Critical Size

Description: Report presenting a numerical calculation, by diffusion theory, of the critical size of a nuclear reactor, and of the time dependent distribution of neutrons in the reactor as a function of position (one-dimensional space) and neutron energy. The mathematical development of the numerical method, properties of the equations, and procedure are discussed in the report, along with a numerical example.
Date: February 15, 1950
Creator: Thompson, A. Stanley
Partner: UNT Libraries Government Documents Department
open access

Feasibility of Establishing a National Burial Ground for Radioactive Waste in the Northeastern United States

Description: Report summarizing work investigating, interviewing, and making detailed studies of an area of the northeastern United States, within a 125-mile radius of Erie, Pennsylvania, to discover a possible site for a national land burial ground to receive and bury low and intermediate level radioactively contaminated waste. Estimated unit burial costs and computer transportation charges for a centrally located site are considered along with the quantity of waste anticipated, land burial requirements. P… more
Date: July 15, 1956
Creator: Morgan, James M., Jr. & Renn, Charles E.
Partner: UNT Libraries Government Documents Department
open access

Some Geologic Problems of Mars: Revision No. 1

Description: Report presenting data on the body of Mars and data surface topography. A map of the findings is included. Scale 1:35,000,000 at Equator.
Date: January 15, 1966
Creator: Loomis, Alden A.
Partner: UNT Libraries Government Documents Department
open access

The Ranger 4 Flight Path and Its Determination From Tracking Data

Description: Report describing the current best estimate of the Ranger 4 spacecraft flight path and the way in which it was determined. Section II describes the Deep Space Instrumentation Facility (DSIF) transponder orbit in terms of its trajectory parameters near the Earth, in trans-lunar flight, and near the Moon. Symbols used and definitions of key trajectory quantities are given. Section III summaries the key events in the tracking of the Ranger 4 mission and gives a general description of the DSIF stat… more
Date: September 15, 1962
Creator: Hamilton, T. W.; Sjogren, William L.; Kirhofer, W. E.; Feare, J. P. & Cain, D. L.
Partner: UNT Libraries Government Documents Department
open access

Scientific Experiments for Mariner R-1 and R-2

Description: Report describing the scientific experiments which will be carried aboard the Mariner R spacecraft, the mission of which is to place an interplanetary probe in the close vicinity of the planet Venus in 1962. Scientific experiences include the investigation of the radiation emission from the planet Venus, and the magnetic fields and the charged particle and cosmic dust flux in interplanetary space and the vicinity of Venus.
Date: July 15, 1962
Creator: Wyckoff, R. C.
Partner: UNT Libraries Government Documents Department
open access

The Mariner Planetary Communication System Design

Description: Report describing the mission objectives of Mariner, an unmanned spacecraft developed by the U.S. National Aeronautics and Space Administration (NASA) to be launched in to the vicinity of Venus. Design constrains are discussed related to the communication system by the the mission and launch dates. Interplanetary space communications state-of-the-art is then discussed. The general over-all design of the communication system to be employed in the Mariner mission is presented, and a detailed desc… more
Date: May 15, 1961
Creator: Martin, Benn D.
Partner: UNT Libraries Government Documents Department
open access

Surveyor VII Mission Report: Part 2 - Scientific Results

Description: Report describing the project mission for Surveyor VII, the seventh and last in a series of unmanned missions designed to soft-land on the moon and return data from the lunar surface. This part presents the scientific data derived from the mission, and the scientific analyses conducted by the Surveyor Scientific Evaluation Advisory Team, the Surveyor Investigator Teams, and the Associated Working Groups.
Date: March 15, 1968
Creator: Jet Propulsion Laboratory (U.S.)
Partner: UNT Libraries Government Documents Department
open access

Surveyor VII Mission Report: Part 1 - Mission and Performance

Description: Report describing the project mission for Surveyor VII, the seventh and last in a series of unmanned missions designed to soft-land on the moon and return data from the lunar surface. This part consists of a technical description and a performance evaluation of the systems utilized in the Surveyor VII mission.
Date: February 15, 1969
Creator: Jet Propulsion Laboratory (U.S.)
Partner: UNT Libraries Government Documents Department
open access

Surveyor VI Mission Report: Part 3 - Television Data

Description: Report discussing the Surveyor VI mission, the sixth in a series of seven unmanned spacecraft designed to soft-land on the moon and return engineering and scientific data. This part presents 139 of the total number of television pictures transmitted to earth from the lunar surface between November 10 and November 24, 1967. 46 mosaics composed of individual frames are also included. Appropriate information for interpreting these pictures is given in the individual sections of the report.
Date: August 15, 1968
Creator: Bird, Thomas H.; Smokler, M. I. & Smyth, D. L.
Partner: UNT Libraries Government Documents Department
open access

Surveyor VI Mission Report: Part 1 - Mission Description and Performance

Description: Report consisting of a technical description and a performance evaluation of the system utilized in the Surveyor VI mission, the sixth in a series of seven unmanned spacecraft designed to soft-land on the moon and return engineering and scientific data. This part presents objectives and project description, space vehicle preparations and launch operations, launch vehicle system, spacecraft system and specifications, tracking and data systems, mission operation system, and flight path and events. more
Date: September 15, 1968
Creator: Jet Propulsion Laboratory (U.S.)
Partner: UNT Libraries Government Documents Department
open access

The Surveyor III and Surveyor IV Flight Paths and Their Determination From Tracking Data

Description: Report discussing the flight paths of Surveyor III and IV spacecrafts. Key flight path events are summarized and the basic orbit determination process, tracking stations, and inflight computation sequences are described. The inflight orbit solutions, postflight analyses, comparisons of the inflight and postflight results, and the analyses of the Air Force Eastern Test Range (AFETR) tracking data for each of these two Surveyor flights separately.
Date: August 15, 1968
Creator: O'Neil, W. J.; Labrum, R. G.; Wong, S. K. & Reynolds, G. W.
Partner: UNT Libraries Government Documents Department
open access

Temperature Control of the Mariner Venus 67 Spacecraft

Description: Report discussing temperature control design, instrumentation, and performance characteristics of Mariner V spacecraft. The results of thermal testing and flight temperature data are summarizing and discussed.
Date: July 15, 1968
Creator: Dumas, L. N.
Partner: UNT Libraries Government Documents Department
open access

Surveyor V Mission Report: Part 3 - Television Data

Description: Report presenting selected television pictures and mosaics of lunar surface transmitted by Surveyor V. 164 of the television pictures transmitted to earth from the lunar surface between September 11 and December 17, 1967 are included, along with 39 mosaics composed of individual frames are also included. Appropriate information for interpreting these pictures is given in the individual sections of the report.
Date: July 15, 1968
Creator: Bird, Thomas H.; Smokler, M. I. & Smyth, D. L.
Partner: UNT Libraries Government Documents Department
open access

Surveyor V Mission Report: Part 1 - Mission and Performance

Description: Report comprised of technical descriptions and a performance evaluation of the systems utilized in the Surveyor V mission. Space vehicle preparations and launch operations, the launch vehicle system, spacecraft specifications, tracking and data systems, mission operation systems, and flight path events are discussed in detail.
Date: March 15, 1968
Creator: Jet Propulsion Laboratory (U.S.)
Partner: UNT Libraries Government Documents Department
open access

Mariner Venus 67 Dynamic Flight Data

Description: Report summarizes the dynamic data acquired from shortly before lift-off through spacecraft separation for the Mariner V (Venus 1967) mission. Instrumentation systems and analysis techniques used to obtain the reduced data are described in detail. Included are descriptions of the telemetry system and discussions and illustrations defining the flight and ground instrumentation. A comparison of Mariner V data with Mariner III, Mariner IV, and ground test data are presented and discussed. (pg. 1)
Date: March 15, 1968
Creator: Brand, D. O.
Partner: UNT Libraries Government Documents Department
open access

A Note on Boundary-Condition Simulation in the Dynamic Testing of Spacecraft Structures

Description: Report examining sine-sweep environmental vibration tests for spacecraft. One aspect of the dynamic testing of spacecraft structures for design conditions derived for the launch and exit phase, "boundary conditions," is considered for this report. Experiments and their results are described and recommendations are made for fuller utilization of dynamic-response analyses that treat the flexible spacecraft as an integral part of the flexible space vehicle system.
Date: April 15, 1966
Creator: Gayman, W. H.
Partner: UNT Libraries Government Documents Department
open access

Mariner Venus 67 Final Project Report: Volume 1. Launch Through Midcourse Maneuver

Description: Report covering the launch through midcourse maneuver of Mariner V, the flight spacecraft of the Mariner Venus 67 project. Included in this document are a brief history of the Mariner projects, the project objectives of Mariner Venus 67, and the mission description and characteristics of the Mariner Venus 67 project. Also included are sections on the overall project organization and management, the flight path analysis and mission planning, the spacecraft system, the launch vehicle integration,… more
Date: June 15, 1968
Creator: Jet Propulsion Laboratory (U.S.)
Partner: UNT Libraries Government Documents Department
open access

Application of ERTS Images and Image Processing to Regional Geologic Problems and Geologic Mapping in Northern Arizona

Description: Report detailing a study to apply the techniques of computer image processing to Earth resources technology satellites (ERTS) images as an aid to the solution of some regional geologic problems. ERTS-1 images were applied to studies in the Shivwits Plateau, Cococino Plateau, and north-central Ariozona regions. A detailed map of the major fault systems in a 90,000 sq km area in northern Arizona was compiled from high altitude photographs and pre-existing published and unpublished map data. With … more
Date: May 15, 1975
Creator: Goetz, A. F. H.; Billingsley, F. C.; Gillespie, Alan R.; Abrams, Michael J.; Squires, R. L.; Shoemaker, E. M. et al.
Location: See Bounding Coordinates
Partner: UNT Libraries Government Documents Department
open access

The Mariner Venus 67 Magnetic Field Control Program

Description: Report describing a program to improve the magnetic stability of hardware on the Mariner spacecraft as necessary for travel toward the sun. The development of a magnetic control plan is described, along with the facilities and testing required. Testing results are presented and analyzed.
Date: April 15, 1968
Creator: Bastow, Joseph G.
Partner: UNT Libraries Government Documents Department
open access

Sequential Estimation of States of a Ballistic Vehicle in an Imperfectly Known Atmosphere

Description: Report describing the development of a guidance system designed to soft-land a vehicle on the surface of a distant plant. The goal of the system is to determine the current position and motion of the vehicle with respect to the guidance goal. In this report, the terminal phase of a soft-landing mission to Mars is used as a numerical example. The maximum principle least-squares nonlinear filter is applied for sequentially estimating the states of a ballistic vehicle in a partially unknown atmosp… more
Date: December 15, 1969
Creator: Bejczy, Antal K.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen