05831nam 2200649Ia 450 991096552650332120200520144314.09786610212446978128021244412802124469780309582551030958255597805851440300585144036(CKB)110986584750960(OCoLC)70772757(CaPaEBR)ebrary10055134(SSID)ssj0000175619(PQKBManifestationID)11177182(PQKBTitleCode)TC0000175619(PQKBWorkID)10190466(PQKB)11619270(MiAaPQ)EBC3376140(Au-PeEL)EBL3376140(CaPaEBR)ebr10055134(CaONFJC)MIL21244(OCoLC)923261458(Perlego)4737458(EXLCZ)9911098658475096019900116d1989 uy 0engurcn|||||||||txtccrHypersonic technology for military application /Committee on Hypersonic Technology for Military Application, Air Force Studies Board, Commission on Engineering and Technical Systems, National Research Council1st ed.Washington, D.C. National Academy Press19891 online resource (111 p.) Bibliographic Level Mode of Issuance: Monograph9780309042291 0309042291 Hypersonic Technology for Military Application -- Copyright -- Contents -- Executive Summary -- MILITARY APPLICATIONS -- NATIONAL AEROSPACE PLANE PROGRAM -- TECHNOLOGY ASSESSMENT -- Propulsion-Airframe Integration -- Propulsion Systems -- Aerodynamics -- Control, Guidance, and Information Systems -- Materials, Structures, and Cooling -- The Role of Computational Fluid Dynamics -- Test Requirements -- Introduction -- 1.0 Potential Military Hypersonic Applications -- 2.0 Technologies Relevant to Hypersonic Vehicles and Their Status -- 2.1 AERODYNAMIC-PROPULSIVE INTEGRATION -- 2.2 PROPULSION SYSTEMS -- 2.2.1 Basic Scramjet Engine -- 2.2.2 Cooling Problems -- 2.2.3 Propulsion System Transition -- 2.2.4 Auxiliary Rocket Propulsion -- 2.3 AERODYNAMICS -- 2.3.1 Viscous Effects -- 2.3.1.1 Transition Point Determination -- 2.3.1.2 Extent of the Transition Region -- 2.3.1.3 Turbulent Boundary Layer -- 2.3.1.4 Test Conditions -- 2.3.2 Real Gas Effects -- 2.3.3 Real Gas Effects in Complex Flows -- 2.4 CONTROL, GUIDANCE, INSTRUMENTATION, AND INFORMATION SYSTEMS -- 2.4.1 Physical Factors -- 2.4.2 Vehicle Dynamics and Controls -- 2.4.2.1 "Aerodynamic-Attitude" (Angle of Attack and Sideslip) Control -- 2.4.2.2 Integrated Propulsion/Flight Control and Guidance -- 2.4.2.3 Aerothermoelastic and Slosh Mode Characteristics and Control -- 2.4.2.4 Engine/Inlets/Diffuser, etc., Control -- 2.4.3 Sensors -- 2.4.4 Information System Requirements -- 2.4.5 System Design Philosophy -- 2.5 MATERIALS FOR HYPERSONIC VEHICLES -- 2.5.1 Introduction -- 2.5.2 High Temperature Materials -- 2.5.2.1 The Aluminides -- 2.5.2.2 Superalloys -- 2.5.2.3 Dispersion Strengthened (Stabilized) Alloys -- 2.5.2.4 Carbon-Carbon Composites And Ceramic Composite Materials -- 2.5.2.5 Processing Developments For Advanced Metallic Materials -- 2.5.2.6 Other Developments -- 2.5.3 Coatings.2.6 THE STRUCTURAL CHALLENGE -- 2.6.1 Determination of Structural Mass Fraction for High Performance Vehicles -- 2.6.2 Structural Concepts -- 2.6.3 Development Process -- 2.6.4 Status of Structural Concepts for Hypersonic Vehicles -- 2.6.5 Structural Design Considerations -- 2.6.5.1 The Structural Designer's Approach, Circa 1988 -- 2.6.5.2 The Aerodynamic Heating Phenomena -- 2.6.5.3 The Temperature Distribution in the Structure -- 2.6.5.4 Structural Effects of High Temperatures -- 2.6.5.5 Summary -- 2.7 ROLE OF COMPUTATIONAL FLUID DYNAMICS -- 2.7.1 Status of Hypersonic CFD -- 2.7.1.1 External Aerodynamics -- 2.7.1.2 Inlet Flows -- 2.7.1.3 Combustion Flows -- 2.7.1.4 Nozzle Flows -- 2.7.2 Validation of Hypersonic CFD Codes -- 2.7.3 Future Role of CFD -- 2.8 EXPERIMENTAL CAPABILITIES -- 2.8.1 Test Requirements -- 2.8.2 Aerodynamic Test Capabilities -- 2.8.3 Materials and Structures Test Facilities -- 2.8.3.1 Structures Testing -- 2.8.3.2 Facilities -- 2.8.3.3 High-Speed Wind Tunnel Tests -- 2.8.3.4 Laboratory Tests with Heating Devices -- 3.0 Findings and Recommendations -- 3.1 POTENTIAL MILITARY HYPERSONIC APPLICATIONS -- 3.2 PROPULSION-AIRFRAME INTEGRATION -- 3.3 PROPULSION SYSTEMS -- 3.4 AERODYNAMICS -- 3.4.1 Low Hypersonic Speeds (Mach Numbers 6 to 10) -- 3.4.2 High Hypersonic Speeds (M &gt -- 10) -- 3.5 CONTROLS, GUIDANCE, INSTRUMENTATION AND INFORMATION PROCESSING -- 3.6 HIGH TEMPERATURE MATERIALS, CRYOGENICS, AND COOLING -- 3.7 STRUCTURAL CONCEPTS -- 3.8 THE ROLE OF CFD -- 3.9 TEST REQUIREMENTS -- Appendix A: Statement Of Task -- Appendix B: Acronyms -- Appendix C: Glossary -- Appendix D: Dimensionless Groups In Fluid Mechanics -- Appendix E: Letter To National Aerospace Plane Contractors -- INTRODUCTION -- BROAD ISSUES -- TECHNOLOGICAL ISSUES -- Hypersonic Propulsion -- Low Speed Propulsion -- Boundary Layer Transition -- Vehicle Heating.Structures and Materials -- Control -- Systems Integration -- System Concept -- Appendix F: Schedule of Committee Meetings -- AGENDA -- AGENDA -- AGENDA -- AGENDA -- AGENDA -- AGENDA.Hypersonic planesAirplanes, MilitaryHypersonic planes.Airplanes, Military.358.4/3MiAaPQMiAaPQMiAaPQBOOK9910965526503321Hypersonic technology for military application4365280UNINA