AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

The Constant Volume Limit of Pulsed Propulsion for a Constant Gamma Ideal Gas

19 Jul 2000

Authors: Doug Talley; AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.

The constant volume (CV) limit of pulsed propulsion was explored theoretically, where the combustion chamber was approximated as being time-varying but spatially uniform, while the nozzle flow was approximated as being one-dimensional but quasi-steady. The CV limit was explored for the isentropic blow down of a constant 7 ideal gas for fixed expansion ratios and for variable expansion ratios which were adjusted to match the pressure ratio at all times. ...

The Diagnostics and the Fault Detection of Gas Turbine Engines by Using Different Neural Networks

10 SEP 1999

Authors: Giovanni Torella; Roberto Torella; AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

This paper deals with the results of a research carried out for the evaluation of Neural Networks for engine diagnostics. The study continues the works made in the past on the same subject. Now the main aim is to find new methods for improving the effectiveness of Neural Nets. The results presented here concern with two different Neural Nets: the Back Propagation Neural Networks (BPNN) ...

Measurements of the Progress-M Main Engine Retrofiring Plume at Orbital Conditions. AIAA Aerospace Sciences Meeting (37th) and Exhibit Held in Reno, NV on January 11-14, 1999

14 JAN 1999

Authors: G. F. Karabadzhak; Yu. Plastinin; A. Afanasiev; E. Szhenov; J. A. Drakes; AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

An experiment set has been performed using the Progress-M spacecraft and a set of dedicated and non-dedicated maneuvers in the vicinity of the Mir space station. The purpose of the experiment was to acquire ultraviolet data from the far-field glow of rocket exhaust plumes at very high altitudes. Ultraviolet imagery of the Progress main engine was acquired using a camera with a response function that peaked ...

DSMC Computations of the Progress-M Spacecraft Retrofiring Exhaust Plume. AIAA Aerospace Sciences Meeting (37th) and Exhibit Held in Reno, NV on January 11-14, 1999

14 JAN 1999

Authors: J. A. Drakes; D. G. Swann; G. F. Karabadzhak; Yu. Plastinin; AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

A set of DSMC computations using the SOCRATES computer code has been performed to aid in the development and analysis of the MirEx experiment to observe UV radiation from spacecraft thruster plumes. The plumes of interest for this report originate from the amine propellant main engine of the Progress-M and Soyuz-TM spacecraft. The altitude of the plume observations is approximately 380 km. The SOCRATES calculations provide a ...

The Future of Hypersonic Wind Tunnels, 37th AIAA Aerospace Sciences Meeting & Exhibit, January 11-14, 1999/Reno, NV

14 JAN 1999

Authors: Carlos Tirres; AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

Aerospace plays a key role in the United States' economy and national security. The recent Gulf War is a good example of the importance of aerospace systems. In the commercial sector, air travel continues to thrive. Aerospace technology and systems development capabilities existing in the United States today can be linked to the significant infrastructure investments between 1945 to 1975. These investments were made not only ...

A New Heat Transfer Capability for Application in Hypersonic Flow Using Multiple Schmidt-Boelter Gages

14 JAN 1999

Authors: W. R. Hawkins; C. T. Kidd; J. S. Carter; AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

Heat transfer measurements were made on a complex scaled wind tunnel model containing 400 miniature discrete sensors in Hypersonic Wind Tunnels B and C at the Arnold Engineering Development Center (AEDC). This test program was significant for a number of reasons which, when combined, have led to the development of a new test capability at the AEDC. First and foremost is the large number of simultaneous ...

Determination of Anelastic-Induced Error in Wind Tunnel Test Force and Moment Measurements

14 JAN 1999

Authors: Frank W. Steinle Jr.; Dennis Booth; Ray D. Rhew; AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

MicroCraft Inc. performed a specialized calibration of the NASA langley 104B balance (fabricated from CVM 200 alloy) in their Automatic Balance Calibration System (ABCS) machine to identify and determine the magnitude of anelastic effects in the calibration results. The results analyzed thus far are for the axial force gage. These results show that anelastic effects for the balance in question are substantial enough to consider ...

Toward an Integrated Optical Data System for Wind Tunnel Testing

14 JAN 1999

Authors: Wim Ruyten; AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

The question is addressed how registration markers in luminescent paint images can be used to determine model position and attitude (P&A) of the test article in a wind tunnel test. The theory for such P&A determinations is developed and applied to data from a recent pressure sensitive paint test in AEDC's 16 ft transonic wind tunnel. It is shown that the camera system is capable ...

On-Orbit Midcourse Space Experiment (MSX) Satellite Environment Flight Experiments

14 JAN 1999

Authors: B. E. Wood; D. F. Hall; J. C. Lesho; J. S. Dyer; O. M. Uy; AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

The Midcourse Space Experiment (MSX) satellite was launched on April 24,1996. This paper describes some of the on-orbit contamination experiments executed during the first 21.5 months after launch. There were 14 different experiments that were planned in detail prior to launch and were later carried out using the time provided and the priority given. In addition to those experiments, there were other experiments that were ...

RF-MMW Dipole Antenna Arrays From Laser Illuminated GaAs

NOV 1998

Authors: D. Umphenour; AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

High resistivity photoconductive Gallium Arsenide (GaAs) can be used as elemental Hertzian dipole antenna arrays in which the time varying dipole current is produced by temporally modulating a laser (0.63um) beam irradiance with a pulse width on the order of a picosecond or less. Electromagnetic emission from the dipole will result at a wavelength equal to the temporal modulation wavelength. Theoretical results will be presented for emitted RF MMW radiant ...

Modeling of Multiphase Alumina-Loaded Jet Flow Fields. AIAA/ASME/SAE/ ASEE Joint Propulsion Conference (34th) and Exhibit Held in Cleveland, OH on July 13-15, 1998

15 JUL 1998

Authors: A. V. Rodionov; Yu. A. Plastinin; J. A. Drakes; M. A. Simmons; R. S. Hiers III; AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

A computer program for simulating coupled phenomena of propulsion- generated, chemically reacting, two-phase jet flow fields is described in detail. A sample calculation is performed using typical solid-propellant rocket motor operating conditions as input. The model contains approximations for turbulence, particle drag, chemistry, and particle supercooling. The particle phase change is simulated kinetically and includes two solid Al2O3 crystalline structures: meta stable gamma and ...

Reynold Number Scaling at Transonic Speeds

18 JUN 1998

Authors: M. L. Laster; Egon Stanewsky; D. W. Sinclair; W. L. Sickles; AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

This paper focuses on Reynolds number scaling (RNS) at transonic speeds for military aircraft development. RNS has been used in the development of aircraft for decades because most development wind tunnels have not had the capability of providing full scale flight Reynolds number. Any new, highly productive transonic wind tunnel that will provide duplicate flight Reynolds number up to 200 million (flight conditions of high ...

Expected Productivity Benefits Resulting from the New Data Acquisition, Processing, and Control System for Tunnel 16T at AEDC

18 JUN 1998

Authors: Philip Stich; Dennis Rose; David Rollins; AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

Requirements for large scale transonic wind tunnel test capability into the next century necessitate that significant sustainment efforts be undertaken for U.S. facilities to maintain reliable and efficient testing services. Many national facilities located at the major NASA centers and the Department of Defense's Arnold Engineering Development Center (AEDC) are in the middle of or preparing for major refurbishment programs. In Fiscal Year 1998, ...

Revisions to the JDL Data Fusion Model

1998

Authors: Alan N. Steinberg; Christopher L. Bowman; Franklin E. White; AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

The Data Fusion Model maintained by the JDL Data Fusion Group is the most widely used method for categorizing data fusion related functions. This paper discusses the current effort to revise and expand this model to facilitate the cost effective development, acquisition, integration and operation of multisensor/multisource systems. Data fusion involves combining information in the broadest sense to estimate or predict the state of some aspect of the universe. These ...

Support of AIAA Student Aircraft Design/Fly Competition

01 AUG 97

Authors: Gregory S. Page; Chris Bovias; Michael Selig; Wil Vargas; AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

This report is made up of the combined reports of eight separate teams of students who entered the 1997 Design, Build & Fly Competition. The objectives of the competition were to have student teams design, build and fly unmanned remote control electric aircraft designed for maximum range on a limited battery. A "fly-off" took place on a private airstrip at Ragged Island, Md., in April 1997. Winners of the contest: ...

Riemann Solvers for Perfect and Near-Perfect Gases.

OCT 1993

Authors: J. Pike; AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

The Equations for the Riemann problem for a perfect gas or constant covolume equation of state are rewritten in terms of three similarity parameters and a weak dependence on the ratio of specific heats of the gases. These parameters are used to demonstrate the errors in the solutions of existing linearized Riemann solvers and to develop a new solver that has the simplicity of the linearized solvers but that is ...

Interferometric Investigations of Compressible Dynamic Stall Over a Transiently Pitching Airfoil

14 JAN 93

Authors: M. S. Chandrasekhara; L. W. Carr; M. C. Wilder; AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

The dynamic stall flow field over NACA 0012 airfoil pitching transiently from 0 - 60 at a constant rate under compressible flow conditions has been studied using the real-time technique of point diffraction interferometry. This investigation using nonintrusive diagnostics provides a quantitative description of the overall flow field, including the finer details of dynamic stall vortex formation, growth and the concomitant changes in the pressure distribution. Analysis of several hundred ...

NASA Access Mechanism - Graphical User Interface Information Retrieval System

14 JAN 1993

Authors: J. Hunter; D. Duncan; C. Generous; AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

Access to online information sources of aerospace, scientific, and engineering data, a mission focus for NASA's Scientific and Technical Information Program, has always been limited by factors such as telecommunications, query language syntax, lack of standardization in the information, and the lack of adequate tools to assist in searching. Today, the NASA STI Program's NASA Access Mechanism (NAM) prototype offers a solution to these problems by providing the user with ...

Summary Highlights of the Advanced Rotorcraft Transmission (ART) program

08 JUL 92

Authors: Robert C. Bill; AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

The Advanced Rotorcraft Transmission (ART) program is an Army-funded, joint Army/NASA program to develop and demonstrate lightweight, quiet, durable drivetrain systems for next generation rotorcraft. Contract participants in ART include Boeing Helicopters, Sikorsky Aircraft, McDonnell Douglas Helicopter Company, and Bell Helicopter Textron, Inc., with some in-house technical support provided at Lewis Research Center. ART addresses the drivetrain requirements of two distinct next generation aircraft classes: (1) Future Air Attack Vehicle, ...

Boeing Helicopters Advanced Rotorcraft Transmission (ART) Program Summary of Component Tests

08 JUL 92

Authors: Joseph W. Lenski Jr.; Mark J. Valco; AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

On May 20, 1988, Boeing Helicopters was awarded a contract by the U. S. Army Aviation Systems Command (AVSCOM) and the NASA Lewis Research Center to conduct the Advanced Rotorcraft Transmission (ART) program. The ART program is structured to incorporate key emerging material and component technologies into an advanced rotorcraft transmission with the intention of making significant improvements in the state-of-the-art (SOA). The objectives of the ART program are: (1) ...

Design Trade-Offs for Homing Missiles

21 MAY 1992

Authors: Allen Spencer; William Moore; AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

Major design considerations, trade-offs and technology issues for future hypervelocity, anti-missile interceptors are presented in an overview format. Two classes of interceptors are considered: a low altitude interceptor using an active radar seeker for defense against tactical ballistic missiles (TBMs) and a higher altitude interceptor using a passive infra-red seeker for defense against ICBMs. Considerations are presented in the areas of mission requirements, seeker selection, aerodynamic and aerothermal environments, control ...

Endoatmospheric LEAP

06 FEB 1992

Authors: Mike Cantrell; Thurston VanHorn; Andrew Muras; AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

The Strategic Defense Initiative (SDI) envisions the use of multiple tiers of non-nuclear weapons to provide an umbrella of protection from ballistic missiles. Operational engagement constraints typically require a high velocity interceptor in order to achieve reasonable protective coverage, and with an endo atmospheric intercept, this results in severe aerodynamic, aerothermal, and structural environments for the acquisition and homing phase of the intercept. The ENDO LEAP vehicle program is in ...

Lightweight Exo-Atmospheric Projectile Space Test--LEAP 2 Flight

03 FEB 92

Authors: Frank D.. Smith; Dennis J. Camp; Katherine K. Leister; AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

The Army Lightweight Exo-Atmospheric Projectile (LEAP) will demonstrate hit to kill intercept performance against a non-boosting target during the Strategic Defense Initiative Organization's LEAP 2 space test at White Sands Missile Range early in 1992. The Army LEAP is the lightest weight interceptor currently developed. The LEAP 2 mission will fully validate the performance of this interceptor in a space environment. Data from the LEAP 2 mission will be used ...

Orbital Debris Mitigation Techniques: Technical, Legal, and Economic Aspects

01 JAN 92

Authors: AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

This special report is the result of a two year effort by a large working group that conducted surveys of the industry and its customers, as well as financial supporters, to assess the current technical, legal, and economic aspects of orbital debris mitigation. Specific attention is given to currently available technology and regulatory options, which are not used in either the US or other spacefaring nations.

The Future of Space Systems - The Challenge of Standards and Interoperability

12 JAN 1989

Authors: J. Morrison; AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

Contents: I THE INTEROPERABILITY IMPERATIVE - Scope of the Problem, The Need for a Joint Approach, Standard Messages, Standard Tools and Metrics; II APPROACH - Build a Limited Initial Program Based on Existing Assets and Organizations, Document What Exists, Define, Test and Implement Standards, Define Future Extensions and Growth Paths, Test and Evaluate Interoperability Standards in Parallel with SDI Simulations and Experiments; III THE INTEROPERABILITY PROCESS - Interface Change Proposals, ...

An Assessment of the Development of a Tracking System Using Concurrent Ada

1989

Authors: W. J. Lemanski; T. C. Hartrum; AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

Parallel processing holds great promise for meeting the demands of complex real time systems such as those required for the Strategic Defense Initiative. Full realization of the capabilities of parallel computing will require the use of design methodologies and Programming languages specifically designed for that purpose. This paper describes the development of a representative real time system from problem analysis to final implementation on a parallel machine. The problem selected ...

Benefits of Scientific and Technical Information Services - for Aerospace & Defense,

APR 1987

Authors: Barbara Lawrence; AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

The benefits of having an aerospace and defense scientific and technical information service are considered based on an understanding of the literature of the field, the functions of a centralized information center, and the nature of the research and development process. These benefits, the savings of time and money and the improved quality of work, are only a potential until a well-managed service is established.

Magnus Effects on Spinning Transonic Finned Missiles.

JAN 1986

Authors: A. Seginer; I. Rosenwasser; AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

AIAA/ASME/ASCE/AHS 25th Structures, Structural Dynamics and Materials Conference Part 1.

14 MAY 1984

Authors: AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

State-of-the-art technology regarding the structural dynamics of various aircraft and aerospace structures, composed of advanced fiber reinforced resin composite materials, is presented in 50 Conference papers (Part I). Of these, only 28 are of direct interest to Plastec. In Part 2 of the Conference, which places more emphasis on theoretical studies of the structural dynamics of these structures, only 5 are of direct interest to Plastec. Topics covered include: engineering ...

AIAA/ASME/ASCE/AHS 25th Structures, Structural Dynamics and Materials Conference Part 2.

14 MAY 1984

Authors: AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

State-of-the-art technology regarding the structural dynamics of various structures, composed of advanced composite materials, being used in aerostructural and aerospace applications, is presented in 72 Conference papers (Part 2). Of these only 5 are of direct interest to Plastec. Part 2 of the Conference emphasizes theoretical studies of the dynamics of these structures. Part 1 of the Conference also contains various theoretical elastic, stress, and failure analyses, but also covers ...

AIAA/ASME/ASCE/AHS 25th Structures, Structural Dynamics and Materials Conference, Part 1

MAY 84

Authors: AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

A collection of papers presented at the Structures, Structural Dynamics and Materials Conference. Papers on composites dealing largely with graphite/epoxy. For papers relevant to metal matrix composites, see ADD200744- ADD200747.

Conference on Structures, Structural Dynamics and Materials (25th) Held at Palm Springs, California on 14-18 May 1984. A Collection of Technical Papers Part 2

MAY 84

Authors: AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

Partial contents include the following: (1) Effects of Viscosity and Modes on Transonic Aerodynamic and Aeroelastic Characteristics of Wings; (2) An Efficient Coordinate Transformation Technique for Unsteady, Transonic Aerodynamic Analysis of Low Aspect Ratio Wings; (3) Separated Flow Unsteady Aerodynamics for Propfan Applications; (4) Modeling of Unsteady Small Disturbance Transonic Flow Using Parametric; (5) Evaluation of Flutter Impact for Repaired T-3B Stabilizers; (6) A Unified Flutter Analysis for Composite Aircraft ...

24TH Structures, Structural Dynamics and Materials Conference. Part 1.

02 MAY 1983

Authors: AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

State-of-the-art technology regarding structures, structural dynamics and materials is reviewed in this Part 1 collection of 79 papers presented at the Conference. Of these 35 are of direct interest to Plastec. Structures described include various primary and secondary aircraft structures, spacecraft structures and space deployable structures. Materials discussed include both metals and fiber reinforced plastic composites of which the latter is of interest to Plastec. Studies concerning these materials and ...

24TH Structures, Structural Dynamics and Materials Conference. Part 2.

02 MAY 1983

Authors: AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

State-of-the-art technology regarding structures, structural dynamics and materials is reviewed in this Part 2 collection of 86 papers presented at the Conference. Of these, 16 are of direct interest to Plastec. Structures described include various primary and secondary aircraft structures, spacecraft structures, and deployable space structures. Materials discussed include both metals, fiber reinforced plastic composites and elastomers, of which the latter two are of interest to Plastec. Studies concerning these ...

Aircraft Prototype and Technology Demonstrator.

23 MAR 1983

Authors: T. H. McMullen; AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

This symposium was put together to respond to two things; 1)a transfer of lessons learned, and 2)timing of a new Air Force initiative, the Advanced Tectical Fighter. One of the purposes of this symposium was an attempt to help transfer some of the historical knowledge to the aircraft designers of the future so they may avoid some of the pitfalls of the past. With respect to the second, it is ...

ICAS Proceedings 1982. Vol. 1.

22 AUG 1982

Authors: AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

State-of-the-art technology regarding aeronautical sciences is presented in this volume I collection of 80 papers presented at the Conference. Of these, only 7 are of direct interest to Plastec. These concern fiber reinforced composite and hybrid composite materials being used for aircraft parts, fabrication procedures, (such as bonding of laminates), stress analyses, and design criteria. Other topics covered in this volume include: propulsion systems, aerodynamics, damage tolerance, fatigue and helicopter ...

ICAS Proceedings 1982. Vol. 2

22 AUG 1982

Authors: AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

State-of-the-art technology regarding aeronautical sciences is presented in this vol. II collection of 80 papers presented at the Conference. Of these, only 2 are of direct interest to Plastec. One concerns a bar type testing method for characterizing the deformation of fiber reinforced resin composite fabrics and fiber reinforced resin molding compounds; the other concerns the field repair of various fiber reinforced composites used on aircraft. The companion collection of ...

Missile Aerodynamics: AIAA Professional Study Seminar Series.

12 AUG 1982

Authors: John C. Adams; AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

Missile Aerodynamics: AIAA Professional Study Seminar Series.

12 AUG 1982

Authors: John C. Adams; AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

23RD Structures, Structural Dynamics and Materials Conference. Part 2.

10 MAY 1982

Authors: AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

State-of-the-art technology regarding the structural dynamics and design engineering of aerostructures and space vehicle and platform structural components is reviewed in 63 Conference papers. Of these, only 3 are of direct interest to Plastec. These cover the analyses of vibration, stiffness and buckling of aerostructures (such as swept wings, horizontal and vertical stabilizers, and airframes), by experimental means and flight testing to determine optimum design criteria and fiber reinforced resin ...

The Changing Role of the Aerodynamicist in Tactical-Missile Design.

JAN 1982

Authors: D. R. Carlson; AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

22nd Structures, Structural Dynamics and Materials Conference. Part 2.

06 APR 81

Authors: AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

State-of-the-art technology regarding mechanical and noise vibration effects and responses in various sandwich structures and laminates is reviewed in this collection (Part II) of 85 papers presented at the Conference. Of these, 10 are of direct interest to Plastec. Both theoretical and experimental studies are reported for damping materials. Applications for vibration and noise reduction in aerostructures are described. (LS).

22nd Structures, Structural Dynamics and Materials Conference. Part 1.

06 APR 81

Authors: AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

State-of-the-art technology regarding advanced composite materials and their structural properties is reviewed in this collection (Part I) of 53 papers presented at the conference. Of these, 16 are of direct interest to Plastec. Both theoretical and experimental studies were conducted on the effects of mechanical loading, environmental stress and fatigue loading on the mechanical and flexural properties, fracture and durability of these materials and on structures (including joints) based on ...

21st Structures, Structural Dynamics, and Materials Conference. Part 2.

12 MAY 80

Authors: AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

State-of-the-art technology concerning the elastic properties of various type structural components used in aircraft, aerospace vehicles, turbomachinery and space platforms are reviewed in one hundred fifteen conference papers. Parts 1 and 2 each contain twenty-four of the papers within the total collection, which are of direct interest to PLASTEC. Topics covered include: stress, fatigue, vibration, damping, fracture and repair of flat plate, cylindrical, shell, stiffened, composite, laminate and sandwich structures. ...

21st Structures, Structural Dynamics, and Materials Conference. Part 1.

12 MAY 80

Authors: AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

State-of-the-art technology concerning the elastic properties of various type structural components used in aircraft, aerospace vehicles, turbomachinery and space platforms is reviewed in one hundred fifteen Conference papers. Parts 1 and 2 each contain twentyfour of the papers within the total collection are of direct interest to PLASTEC. Topics covered include: stress, fatigue, vibration, damping, fracture and repair of flat plate, cylindrical, shell, stiffened, composite, laminate and sandwich structures. Various ...

AIAA/ASME/ASCE/AHS 20th Structures, Structural Dynamics, and Materials Conference.

04 APR 1979

Authors: AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

Theoretical, mathematical modelling and experimental studies of the effects of various parameters on the engineering properties of shell structures and (metallic and non-metallic) materials used for aircraft, missile, military and aerospace applications are reported in forty one papers presented at the Conference. Of these only 9 are of direct interest to Plastec. Design, stress and fracture analysis were utilized and load and environmental tests were conducted to studying mechanical, thermal ...

International Symposium on Air Breathing Engines (4th), held at Lake Buena Vista, Orlando, Florida 1-6 April 1979.

1979

Authors: AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

Partial Contents: Inlet Flow Distortion; Operations/Cost/Maintenance; Aeroelasticity/Vibrations; Systems Integration; Fuels and Combustion; 3-Dimensional Flow and Boundary Layer/Shock Separation; Component Developements Compressors; AND Ramjets.

AIAA/ASME 19th Structures, Structural Dynamics and Materials Conference.

03 APR 1978

Authors: AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

Fifty papers were presented at the Conference of which nine are of interest to Plastec. Topics covered the design, fabrication, testing and repair of fiber reinforced composite structures. Several theoretical papers were presented on the stress concentration; buckling and general structural behavior of geometrical shell structures. Numerical solutions of the constitutive relations of the theories were compared to actual test results using (graphite fiber or fiberglass) reinforced composites used in ...

A Collection of Technical Papers on Structures and Materials, vol. A,

21 MAR 1977

Authors: AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK

Mechanical, physical, and chemical property data on a variety of composites used in various aircraft components and structures are presented with a view towards the design and fabrication of these FRP materials. Numerous test programs are described, and fatigue, crack propagation, and bonding studies are reported. Quality control procedures for prepregs are included. (LS).

HYBRID AND SELECT METAL-MATRIX COMPOSITES: A STATE-OF-THE-ART REVIEW

Authors: W. J. Renton; AMERICAN INST OF AERONAUTICS AND ASTRONAUTICS NEW YORK