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RECORDC coiACOPY C-/O-.6 .EPORT NO. GDC-DAA70-004 (VOL. I) COPY NO. 001 EXPERIMENT MODULE CONCEPTS-STUDY FINAL REPORT a (THRU) (ACCESSION NBER) VOLUME I + MANAGEMENT SUMMARY (a I- (PAGES) (CODE) October 1970 (NASA CR OR TMX OR AD NUMBER) (CATEGORY) 2 Reproduced by NATIONAL TECHNICAL INFORMATION SERVICE U S Department of Commerce Springfield VA 22151 ,Prepared for GEORGE C. MARSHALL SPACE FLIGHT CENTER Huntsville, Alabama Contract NAS8-25051 ' Advanced Space Systems, Research and Engineering I ., _ . CONVAIR AEROSPACE-DIVISION OF GENERAL DYNAMICS San Diego, California \ (NASA-CR-103069) EXPERIMENT MODUILE CONCEPTS STUDY. VOLUME 1: MANAG3E MENT SUMMA:RY Final Report (General Unclas Dynamics/Convair) Oct. 1970 72 p CSCL 22B 12044 G3/31 19~~~ aj GDC-DAA70-004 Contract NAS8-25051 EXPERIMENT MODULE CONCEPTS STUDY FINAL REPORT VOLUME I MANAGEMENT SUMMARY October 1970 V. :.· I . Approved by: D. J. P Study Manager W. W. Withee, Director Advanced Space Systems Research and Engineering Prepared for GEORGE C. MARSHALL SPACE FLIGHT CENTER Huntsville, Alabama Contract NAS8-25051 Advanced Space Systems, Research and Engineering CONVAIR AEROSPACE DIVISION OF GENERAL DYNAMICS San Diego, California Volume I GDC-DAA70-004 FOREWORD This final report is submitted in accordance with the requirements of Appendix 3 - Reports and Visual Aids Requirements, Statement of Work, Experiment Module Con- cepts Study, Contract NAS8-25051, as amended by Amendment No. 2 dated 9 March 1970. It 6fpfieV~0F theo faollwAng de~auffictfs! Volume I - Management Summary Volume II - Experiments & Mission Operations Volume III - Module & Subsystem Design Volume IV - Resource Requirements Volume V - Book 1 Appendix A Shuttle-Only Task Book 2 Appendix B Commonality Analysis, Appendix C Maintenance Analysis The study was conducted under the program and technical direction of Max E. Nein and Jean R. Olivier, P1-rMP-A, of the George C. Marshall Space Flight Center, National Aeronautics and Space Administration. Dr. Rodney W. Jqhnson, OMSF (Code MF), as study sponsor furnished valuable guidance and assis4ance. Other NASA centers and offices made significant contributions of advice, consulta- tion, and documentation to the performance of the tasks whose reduns are reported here. Personnel from OMSF, OSSA, OART, MSFC, MSC, GSFC,?aRC, and Ames RC took part in periodic reviews during the study. Convair Aerospace Division of General Dynamics was assisted by TRW Systems Group, Redondo Beach, California, in the performance of this contract. Personnel of both companies who contributed to this report are listed below. Contributor Responsibility Convair Aerospace Division of General Dynamics R. E. Bradley Economic Analysis L. J. Brown Manufacturability D. J. Chiarappa Stabilization & Control R. I. Cross Thermal Control D. M. Eggleston Performance J. F. Fischer Structural Analysis H. D. Girouard Propulsion H. Gottschalk Commonality Analysis iii Volume I GDC-DAA70-004 C. M. Hay Electrical Power J. R. Hunter Module Design C. L. Hyde Operations Analysis C. E. McCoy Mass Properties J. M. Macdonald System Engineering H. G. Nulton Safety Analysis J. D. Peterson Experiment Analysis A. H. Ryan System Engineering E. J. Russ Life Support J. N. Sharmahd Maintainability R. A. Smalley Program Schedules M. R. Smith Module Configurations G. E. Taylor Module Configurations A. B. Walburn Thermal Control W. F. Wennhold Structural Design TRW Systems Gr9up E. S. Burnett Project Management L. Brown Guid., Nav., R9 nd. & Dock G. Cato Earth Surveys S, R. Doolittle Cosmic Ray Physics J. Kliger/F. Strubel Communicatio-?Data Mgmt. W. Spindell Human Factoqr#--- Comments or requests for additional information should be directed to the following: M. E. Nein, PD-MP-A D. J. Powell J. R. Olivier, PD-MP-A Convair Aerospace Division of National Aeronautics and Space Administration General Dynamics George C. Marshall Space Flight Center, P.O. Box 1128, Mail Zone 501-10 Alabama 35812 San Diego, California 92112 Telephone: (205) 453-3427 Telephone: (714) 277-8900, Ext. 1941 iv Volume I GDC-DAA70-004 TABLE OF CONTENTS Section Page 1 INTRODUCTION 1-1 1.1 OBJECTIVES 1-1 1.2 SUMMARY OF RESULTS 1-1 1.3 MAJOR GROUND RULES 1-1 2 EXPERIMENTS AND MISSION OPERATIONS 2-1 2.1 CANDIDATE EXPERIMENT PROGRAM 2-1 2.1.1 Experiment Requirements on Modules 2-1 2.2 MISSION OPERATIONS 2-7 2.2.1 Launch Operations 2-9 2.2.2 On-prbit Operations 2-12 2.3 EXPERIMENT MODULE INTERFACES 2-17 2.3.1 Space Station Interface 2-17 2.3.2 Logistic System Interfaces 2-19 2.4 ENVIRONMENT 2-19 3 MODULE AND SUBSYSTEMS DESIGN 3-1 3.1 CONFIGURATIONS 3-1 3.1.1 Baseline Common Modules 3-1 3.1.2 Experiment Integration 3-7 3.1.3 Additional Applications 3-10 3.1.4 Module Diameter Effects on Experiments 3-11 3.2 EXPERIMENT MODULE MASS PROPERTIES 3-13 3.3 STRUCTURE SUBSYSTEM 3-13 3.4 STABILIZATION AND CONTROL SUBSYSTEM 3-15 3.4.1 Requirements 3-15 3.4.2 System Description 3-15 3.4.3 Design Rationale 3-17 3.5 GUIDANCE AND NAVIGATION 3-17 3.6 PROPULSION/REACTION CONTROL SUBSYSTEM 3-19 3.6.1 Requirements 3-19 3.6.2 System Description 3-19 3.6.3 Design Rationale 3-20 3.7 COMMUNICATIONS AND DATA MANAGEMENT SUBSYSTEM 3-21 3.7.1 Requirements 3-21 3.7.2 System Description 3-22 3.7.3 Design Rationale 3-25 3.8 ELECTRICAL POWER SUBSYSTEM 3-26 v Volume I GDC-DAA70-004 TABLE OF CONTENTS, Contd Section Page 3.9 THERMAL CONTROL SUBSYSTEM 3-28 3.9.1 Requirements 3-28 3.9.2 System Description 3-28 3.9.3 Dosign Rationale 3-29 3.10 ENVIRONMENTAL CONTROL/LIFE SUPPORT (EC/LS) SUBSYSTEM 3-30 3.11 RELIABILITY/MAINTAINABILITY AND SAFETY ANALYSIS 3-32 3.11.1 Reliability 3-33 3.11.2 Maintainability 3-33 3.11.3 Safety 3-35 3.11.4 Analysis Conclusions 3-35 4 RESOURCEi REQUIREMENTS 4-1 4.1 PROGRAM COST ESTIMATE ; 4-1 4.1.1 Module DDT&E, Unit, and Production Cost 4-1 4.1.2 Experiments, Integration, and Interface Hardware 4-2 4.1.3 Operational Cost 4-2 4.1.4 Phased Funding Requirements 4-3 4.2 DEVELOPMENT PLAN AND SCHEDULES 4-3 4.3 SRT/ART SUMMARY 4-6 5 SHUTTLE-ONLY OPERATING MODE 5-1 6 CONCLUSIONSAND RECOMMENDATIONS 6-1 6.1 CONCLUSIONS 6-1 6.2 RECOMMENDATIONS 6-1 vi Volume I GDC-DAA70-004 LIST OF ILLUSTRATIONS Figure Page 1-1 Implementation Hardware for Candidate Experiment Program 1-2 2-1 Experiment Module Operations 2-9 2-2 Shuttle Payload Sensitivity 2-11 2-3 Expondablo Launch Vohiolo Payload Sensitivity 2-11 2-4 Typical Astronomy Module Mission Profile 2-13 2-5 Orbital Motion and Stationkeeping 2-14 2-6 Astronomy Module Relative Orbit Paths 2-16 2-7 Preliminary Logistics to Orbit 2-19 3-1 Baseline Ccmmon Module Set 3-1 3-2 Subsystems Commonality 3-3 3-3 Structural! Commonality, Common Modules 3-4 3-4 External Arrangement, Free-Flying Common Module C.M-1 3-5 3-5 Free-Flyi'ig Common Module CM-1, Inboard Profile 3-5 3-6 Major Experiment-Peculiar Integration Hardware 3-8 3-7 Total Program Commonality 3-9 3-8 Unmanned Transporter Concept Derived from Commqci Module CM-1 3-10 3-9 Manned Transporter Concept 3-11 3-10 Reduced Module Diameter Effects Upon Experiments 3-12 3-11 CM-1 Stability and Control Subsystem 3-16 3-12 Guidance/Navigation Subsystem 3-18 3-13 Monopropellant RCS System 3-19 3-14 Experiment Module CDMS Baseline Concept 3-23 3-15 Electrical Power Subsystem Block Diagram 3-27 3-16 Functional Flow Diagram 3-29 3-17 Module Reliability/Maintainability/Safety Approach 3-32 4-1 Experiment Module Parametric Cost Model 4-2 4-2 Funding Schedule 4-3 4-3 CM-1 Summary Schedule 4-4 4-4 CM-3 Summary Schedule 4-4 4-5 CM-4 Summary Schedule 4-5 4-6 Experiment Module Launch Schedule 4-5 5-1 Shuttle-Only Operating Concepts 5-2 5-2 Shuttle Payload/Module Transfer Orbit Capability 5-3 5-3 Weight Requirements of Module Combinations 5-3 5-4 Support Module - Two Men 5-4 5-5 Phased Funding, 30-Day On-Orbit Case 5-5 vii Volume I GDC-Daa70-004 LIST OF TABLES Table Page 2-1 NASA Candidate Experiment Program 2-2 2-2 Summary of Experiment Program - Module Candidates 2-3 2-3 Experiment Requirement Summary 2-4 2-4 Experiment Revisions and Growth Items Inoorporated into Experiment Requirements 2-5 2-5 Summary of Crew Requirements - Experiment Modules 2-6 2-6 Selection of Operating Mode 2-8 2-7 Experiment Module - Launch Vehicle Requirements 2-10 2-8 Astronomy Module Mission Cycle bV Requirements 2-16 2-9 Transporter Trade Study 2-18 2-10 Space Station Interface Summary 2-18 2-11 Radiation Sensitivity by FPE 2-20 3-1 Common Module FPE Allocations 3-2 3-2 CM-1 Subsystems Summary 3-6 3-3 CM-3 Subsystems Summary 3-6 3-4 CM-4 Subsystems Summary 3-8 3-5 Transporter Module Characteristics - 5-Day Mission,,. Crew 2 3-12 3-6 Experiment Module Weight Summary - CM-1 Systems Summary and Nominal Dry Weight 3-13 3-7 Experiment Module Weight Summary - CM-3 Systems Summary and Nominal Dry Weight 3-14 3-8 Experiment Module Weight Summary - CM-4 Systems'Summary and Nominal Dry Weight 3-14 3-9 SCS Summary Data Tabulation 3-16 3-10 Hydrazine Monopropellant RCS Characteristics 3-20 3-11 Propulsion Slice System Characteristics 3-21 3-12 Estimated Information Transfer Rate for FPE 5.11 3-24 3-13 Module Transmitter Power vs.