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Monday, May 11, 2020 | History

4 edition of Development of a directional flow probe for the hypersonic regime found in the catalog.

Development of a directional flow probe for the hypersonic regime

William Thomas O"Gorman

Development of a directional flow probe for the hypersonic regime

by William Thomas O"Gorman

  • 279 Want to read
  • 34 Currently reading

Published by National Library of Canada = Bibliothèque nationale du Canada in Ottawa .
Written in English


Edition Notes

SeriesCanadian theses = Thèses canadiennes
The Physical Object
FormatMicroform
Pagination2 microfiches.
ID Numbers
Open LibraryOL18623108M
ISBN 10061229370X
OCLC/WorldCa46574996

ductility of plate steels that results from the reduction of sulfur content and, hence, of sulfide inclusions. 5 This development, growing out of investigations on the multicomponent thermodynamics of sulfur in liquid steel, has spawned the reliable use in pipeline steels and oil-drilling rigs of heavy sections resistant to laminar tearing. The achievement of such .   Of particular interest is the flow regime where aerothermal effects are present, generally at speeds of Mach 5 and higher. At these speeds, high frequency oscillations in the incoming airflow are critical to the flow development around the vehicle so improved calibration for instruments capable of making measurements up to several MHz are of.

“Cuba ’ s HDI [Human Development Index] value for is — which puts the country in the high human development category— positioning it at 72 out of countries and territories above the average of for countries in the high human development group and above the average of for countries in Latin America and the. Early results on the basic flow structure and stability properties, together with the nature and Prandtl number dependence of the transition to chaotic flow at full development, will be reviewed. Recent work will be presented on the absolute stability of the flow, together with a new three-dimensional steady turning flow instability, in the.

missiles and rockets THE WEEKLY OF ADVANCED TECHNOLOGY Coughlin J. 3, core of NASA's in.-dia. rocket motor being developed by Aerojet-General Corp. has arrived at the firm's Dade County, Fla., plant for mating with ton rocket motor chamber. Propellant will be poured around core. NASA plans to fire two such Aerojet motors. solid. An algorithm for solving large nonlinear optimization problems with simple bounds is described. It is based on the gradient projection method and uses a limited memory BFGS matrix to approximate the Hessian of the objective by:


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Development of a directional flow probe for the hypersonic regime by William Thomas O"Gorman Download PDF EPUB FB2

An improved version of a four-hole directional pressure probe (a Cobra probe) is described in which the frequency response has been extended to kHz, sufficient to include most of the turbulent energy spectrum.

The procedure for calibrating the probe to Machwhere compressible flow effects become significant, is described. An unmanned aerial vehicle (UAV) (or uncrewed aerial vehicle, commonly known as a drone) is an aircraft without a human pilot on board and a type of unmanned are a component of an unmanned aircraft system (UAS); which include a UAV, a ground-based controller, and a system of communications between the flight of UAVs may operate.

The second thrust concentrated on examining the flow features of sonic injection into a hypersonic (Mach ), high-Reynolds number (Re/m = 55 x 10(exp 6).

The renewed interest in high-speed propulsion has led to increased activity in the development of the supersonic combustion ramjet engine for hypersonic flight applications. American Institute of Aeronautics and Astronautics Sunrise Valley Drive, Suite Reston, VA Two citation frequencies are computed for each reference, but only the first is shown in Table frequency shown in the left-most column is the number of times each reference was cited by the 10 records in the retrieved database number reflects the importance of a given reference to the specific discipline of high-speed compressible by: 9.

Development of the Nano Hummingbird: A Tailless Flapping Wing Micro Air Vehicle (English) Hypersonic Flow Structures Leading to the Effect of Peak Heat Fluxes. Kudinov, A. / Yurchenko, Analysis of Blow Off Limits and Regime/Flame State Changes with Swirl and Cyclonic Stabilized Combustion.

development hypersonic test naca airplane feet shuttle pressure pilot speed problems flights data project reaction You can write a book review and share your experiences. Other readers will always be interested in your opinion of the books you've read.

Whether you've loved the book. These chapters cover: 1 The general characterization of hypersonic flow; 5 The stagnation-region flowfield, which often provides reference parameters for correlations of the flow parameters; 6 The inviscid flowfield, i.e., the pressure distribution and the conditions at the edge of the boundary layer; 7 The boundary layer (including convective.

angles, mixing characteristics were studied Ratio of initial amplitudes to wavelength isensuring the flow is in the linear growth rate regime of instability. Optical techniques such as high resolution imaging and PLIF were used to record the topology of the flow structures in the initial stages of Rayleigh-Taylor development.

Experimental. In the early days of C. Weiland, Aerodynamic Data of Space Vehicles, 23 DOI: /_3, c Springer-Verlag Berlin Heidelberg 24 3 Classification and Project Data of Space Vehicles space exploration the designers had the feeling that the vehicle shape should be as simple and compact as possible.

Making this one of the major causes of tetrahedral grid generation not working well for current industry CFD solvers used for hypersonic flow calculations.

Current state of the art technology for structured mesh generation requires significant man hours that now take longer than the time CFD solvers use to compute hypersonic flows with the full. Full text of "Numerical Study of Rarefied Hypersonic Flow Interacting with a Continuum Jet" See other formats.

The delta wings were derived from a subsonic airfoil modified to meet hypersonic, thermodynamic, and aerodystability requirements. Even though the configuration favors the subsonic flying regime, the primary design factors were.

Numerical Methods for Partial Differential Equations: Finite Difference and Finite Volume Methods focuses on two popular deterministic methods for solving partial differential equations (PDEs), namely finite difference and finite volume methods. The solution of PDEs can be very challenging, depending on the type of equation, the number of independent variables, the boundary, and.

The Online Books Page. Online Books by. Langley Research Center. A Wikipedia article about this author is available. Langley Research Center: A Computer Program for the Determination of the Acoustic Pressure Signature of Helicopter Rotors Due to Blade Thickness (NASA Technical Memorandum X; ), also by Gerald H.

Mall and F. Farassat (page images at HathiTrust). Volume VI, published inwas a continuation of those earlier efforts and addressed the Agency’s space applications efforts, the development and operation of aeronautics and space research and technology programs, tracking and data acquisition/space operations, commercial programs, facilities and installations, personnel, and finances and.

A hybrid thermal management system model of hypersonic vehicle with liquid hydrogen as heat sink and thermoelectric conversion of Brayton cycle was established. The cooling effect, fuel flow demand and thermoelectric conversion characteristics of the thermal management system in flight envelope were studied by numerical simulation.

The US Air Force is looking to rent four to eight jet trainers to perfect its training regime and further refine capabilities needed on the winner of the T-X. Development of novel, energy-efficient, and robust actuators for controlling boundary layer separation.

Development of computational tools to model the performance of a proposed actuator concept. Development of closed-loop active flow control systems with demonstrated improvements in AFC efficiency measured by the energy consumed by the AFC.

lateral/directional control and trim is provided by a combination of RCS jet firings, aileron deflections, and sideslip angle. This hypersonic entry flight phase, continuing down through a Mach number of less than five, is accomplished at a high angle of attack during which the blanketing effect of the wing and fuselageFile Size: 11MB.A study of the equations of fluid dynamics, combined with considerable fundamental research, has demonstrated that hypersonic aerodynamics can be subdivided into the following regimes: the Mach number regime from Mach 6 to Mach 12 or 15 wherein the most important similarity parameters are the Mach number and the Reynolds number; - the.Full text of "NASA Technical Reports Server (NTRS) Aeronautical engineering: A continuing bibliography with indexes (supplement )" See other formats.