Proceedings of the XXth International Astronautical Congress

Proceedings of the XXth International Astronautical Congress

Selected Papers

1st Edition - January 1, 1972

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  • Editors: P. Contensou, G. N. Duboshin, W. F. Hilton
  • eBook ISBN: 9781483146010

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Proceedings of the XXth International Astronautical Congress compiles selected papers presented at the 20th International Astronautical Congress held in Mar del Plata, Argentina in 1969. This book is divided into five main topics—spacecraft engineering, astrodynamics, astrionics, bioastronautics, and problems of education. In these topics, this compilation specifically discusses the equatorial vibrations of a long flexible boom on a spin-stabilized satellite of non-zero radius; heat transfer to linear bodies in two-dimensional hypersonic low density; and limits of accuracy of general perturbations for satellites moving under constant forces. The rapid optimization of multiple-burn rocket flights; data transmission for planetary studies; and comparison of theoretical and experimental attitude data for the DODGE spacecraft are also elaborated. This text also covers the Apollo life-support and protective systems; bioastronautical aspects of Apollo biomedical operations; and development and applications of hot water rockets. This publication is recommended for astrophysicists and scientists of other disciplines related to astronomy.

Table of Contents

  • Part 1: Spacecraft Engineering

    Invited Lecture: Extensions of Apollo

    §1.1 Systems Design

    The Effect of Environment on the Materials, Structures and Design of Space Vehicles

    Equatorial Vibrations of a Long Flexible Boom on a Spin-Stabilized Satellite of Non-Zero Radius

    Future Launch Vehicle with Multi-Mission Capability, Using High-Energy Propulsion Systems

    Small Astronomy Satellite Thermal Design and Test

    Recent Advances in Spacecraft Thermal-Control Materials Research

    §1.2 Scientific and Application Satellites

    The Orbiting Geophysical Observatories

    The Global Photography of the Earth and the Possibilities of Data Interpretation

    Orbital Deployment of Very Long Tethered Structures

    Delta-A Scientific and Application Satellite Launch Vehicle

    Remote Manipulator Spacecraft Systems

    Flight Research Operations in the BOMEX Project Based on Real-Time Synchronous Satellite Information

    Synthesis of Requirement for Advanced Earth Resources Sensors

    Multispectral Discrimination of Possible Martian Surface Constituents

    Determination of Orbit and Attitude of Artificial Satellites of Planets and Some Gravity and Astronomical Constants from Earth-Based Radio Doppler and Orbital Photogrammetric Observations

    §1.3 Propulsion Systems

    Advanced Propulsion Systems for Space Flight

    Status of the Nuclear Rocket Propulsion Program

    Propulsion d'engins Spatiaux au Moyen d'un Réacteur Nucléaire de Faible Puissance

    Theory of Accelerated Rocket Nozzles

    Comparison of the Potentialities of Various Electric Propulsion Systems

    Orientations Retenues dans le Developpements de la Propulsion Ionique et Objectifs Actuels d'application

    Propulseurs Hybrides à Fragmentation de Combustible Solide

    Thermoelectric Generators for Deep Space Application

    Power Systems for Permanent Lunar Stations

    Design Considerations for a Supersonic Combustion Facility and Discussion of Pertinent Research Areas

    Scientific Results Obtained in the Flight of the Automatic Ionospheric Laboratories Yantar (in Russian with English Summary)

    §1.4 Re-Entry Problems

    Prediction of Thermal Fluxes to Very Blunt Planetary Entry Vehicles by the Integral Method

    Heat Transfer to Linear Bodies in Two-Dimensional Hypersonic Low Density Flow

    Part 2: Astrodynamics

    §2.1 Flight Trajectories

    On the Helicoid Precession: Its Stability and an Application to a Re-Entry Problem

    Interstellar Drag and Its Effect on Minimum-Time, Acceleration-Limited Relativistic Rocket Trajectories

    A Universal, Singularity-Free Determination of an Orbit for Two Positions and Time Interval

    Limits of Accuracy of General Perturbations for Satellites Moving Under Constant Forces

    Optimum Strategy Selection for Orbit Determination

    §2.2 Motion Around the Center of Gravity

    Effect of Atmosphere on Attitude Dynamics of Axi-Symmetric Satellites

    Attitude Dynamics of Slowly Spinning Axi-Symmetric Satellites Under the Influence of Gravity Gradient Torques

    §2.3 Optimization

    Optimal Control for Synergetic Plane Change

    Analytical Solutions of a Class of Optimum Orbit Modifications

    Rapid Optimization of Multiple-Burn Rocket Flights

    Part 3: Astrionics

    §3.1 Trajectory Control

    An Analytical Approach for Determining an Approximately Optimal Control and an Explicit Closed Loop Guidance Strategy

    Computers and Astronautics: Current and Future Trends and Some Implications

    Data Transmission for Planetary Studies

    §3.2 Attitude Control

    The Mariner Spacecraft Star Tracker

    Mariner IV Revisited, or the Tale of the Ancient Mariner

    Comparison of Theoretical and Experimental Attitude Data for the DODGE Spacecraft

    Dispositif de Contrôle d'attitude Cassiopée: Premiers Essais en Vol

    Part 4: Bioastronautics

    Apollo Life-Support and Protective Systems

    Zero-Gravity Testing of a Waste Management System

    Biological Life-Support System Containing Lower and Higher Plants (in Russian)

    Bioastronautical Aspects of Apollo Biomedical Operations

    Some Results of Experiments with Plant Objects Exposed Aboard the Zond-5 Probe

    Simulated Weightlessness Conditions in Animal Development

    Part 5: Problems of Education

    §5.1 Education Via Satellites

    Broadcasting from Space—Closer to Reality 1969

    Meghdoot—the Cloud-Messenger

    Some Aspects of a Satellite Educational System for Argentina and South America

    Television Distribution by Satellite for Education and Other Purposes

    §5.2 Safety in Youth Rocket Experiment (SYRE)

    La Fusée Sonde Vera 15

    Le Problème de la Securité des Lancements de Fusées par des Clubs de Jeunes en France

    Youth Rocket Activities in Sweden

    Hot Water Rockets, Development and Applications

    Editor's Note

Product details

  • No. of pages: 998
  • Language: English
  • Copyright: © Pergamon 1972
  • Published: January 1, 1972
  • Imprint: Pergamon
  • eBook ISBN: 9781483146010

About the Editors

P. Contensou

G. N. Duboshin

W. F. Hilton

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