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292

May 6, 2010
05/10

by
Hurrell, H. G

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Simplified theory for dynamic relation of ramjet pressures and fuel flow

Topics: COMPRESSIBLE FLOW, DYNAMIC PRESSURE, FUEL FLOW, LUMPING, RAMJET ENGINES, COMPRESSIBLE FLOW, FUEL...

414
414

Jun 2, 2011
06/11

by
Raghavan, Rajesh S.; Shamma, Mohammed A

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This paper will present work being done to model and simulate a CDMA based Mobile Satellite System architecture for providing all or part of the future Air Traffic Management (ATM) services. Such a system, will help in relieving the dependence on ground based networks, if not eliminate it. Additionally such an architecture can be used in parallel or as a supplementary service along with ground based links to help alleviate any capacity bottlenecks, or in areas where such services are difficult...

Topics: SUBSONIC SPEED, COMPRESSIBLE FLOW, MATHEMATICAL MODELS, DOWNWASH, FLOW VELOCITY

The most challenging task concerning wind tunnel description is, to ascertain the supporting mechanism at high-speed flows inside test section with least complexity and low-cost. This paper presents the design and development of a simple and cost effective test section for a subsonic compressible wind tunnel for educational purpose. The objective of this open-type wind tunnel was to demonstrate flow around model without any interference at high-speeds. In this...

Topics: Subsonic Compressible Flow, Mach Number, Wind Tunnel, Base Pressure & Wall Pressure

278
278

Jul 6, 2010
07/10

by
Skuridin, G. A

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The scientific problems involved in designing equipment for space missions to investigate solar system planets are discussed. Achievements in the investigation of the planets by spacecraft are reported. Results of the investigations of the atmospheres and ionospheres of Venus and Mars and physical and mechanical data derived from lunar missions are analyzed. Prospects for the study of the planets of the solar system are predicted.

Topics: COMPRESSIBLE FLOW, PROPULSIVE EFFICIENCY, THERMODYNAMICS, TURBOJET ENGINES, BYPASSES, COMBUSTION...

32
32

Dec 23, 2018
12/18

by
Brower, William B

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1 volume (various pagings) ; 29 cm

Topics: {u'0': u'Compressibility', u'3': u'Kompressible Stro\u0308mung', u'2': u'Aerodinamica', u'4':...

215
215

Jun 18, 2010
06/10

by
Walz, A

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Heat transfer theory for strong temperature and pressure gradients in direction of flow for compressible and incompressible turbulent boundary layers

Topics: BOUNDARY LAYERS, HEAT TRANSFER, INCOMPRESSIBLE FLOW, PRESSURE GRADIENT, TEMPERATURE GRADIENT,...

188
188

Jun 21, 2010
06/10

by
Rogallo, V. L

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Thermoprotective device for balances

Topics: BERNOULLI THEOREM, COMPRESSIBLE FLOW, FLOW EQUATIONS, LAMINAR FLOW, FLUID FLOW, PROBLEM SOLVING

392
392

Jul 12, 2010
07/10

by
Perkins, P. J

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No Abstract Available

Topics: AERODYNAMIC CONFIGURATIONS, AERODYNAMIC INTERFERENCE, COMPRESSIBLE FLOW, IMPINGEMENT, RAINDROPS,...

240
240

Jun 1, 2011
06/11

by
Krebs, Richard P.; Hensley, Reece V

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Performance characteristics of the turbine of a 4000-pound-thrust axial-flow turbojet engine was determined in investigations of the complete engine in the NACA Cleveland altitude wind tunnel. Characteristics are presented as functions of the total-pressure ratio across the turbine and of turbine speed and gas flow corrected to sea-level conditions. Three turbine nozzles of different areas were used to determine the area that gave optimum performance. Inasmuch as tail-pipe nozzles of different...

Topics: COMPRESSIBILITY, VANES, WINGS, SUPERSONIC FLOW, COMPRESSIBLE FLOW, FLOW VELOCITY, FLOW...

506
506

Jul 23, 2010
07/10

by
Vekua, I. N

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No Abstract Available

Topics: COMPRESSIBLE FLOW, FLEXIBILITY, TWO DIMENSIONAL FLOW, WALL FLOW, ADAPTIVE CONTROL, INTERFERENCE,...

The first object of the paper is to develop a transformation which reduces the boundary-layer equations for compressible two-dimensional mean turbulent motion to incompressible form. The second object is to apply this transformation to the special case of the adiabatic turbulent boundary layer on a smooth wall. The transformation represents at every stage a genuine kinematic and dynamic correspondence between two real flows, both of which are capable of being observed experimentally. Since the...

Topics: DTIC Archive, RAND CORP SANTA MONICA CA, *COMPRESSIBLE FLOW, TWO DIMENSIONAL, WAKE, WALLS

441
441

Jul 11, 2010
07/10

by
RAYNAUD, J.; VARENE, P.; VIEILLEFOND, H.; DURAND, J

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THE EFFECT OF HIGH ALTITUDES UPON CUTANEOUS CIRCULATION AND THERMAL EXCHANGE IS STUDIED. IT IS CONCLUDED THAT AT HIGH ALTITUDES THE EFFECTS OF HYPOXIA AND HYPOCAPNIA CAN BE DISSOCIATED.

Topics: AERODYNAMICS, DIFFERENCE EQUATIONS, FLOW EQUATIONS, BLUNT BODIES, COMPRESSIBLE FLOW, GAS FLOW,...

197
197

Jul 9, 2010
07/10

by
Jones, R. A.; Hunt, J. L

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An experimental study of surface pressure distributions on a family of blunt and sharp large angle cones was made in hypersonic flows of helium, air, and tetrafluoromethane. The effective isentropic exponents of these flows were 1.67, 1.40, and 1.12. Thus, the effect of large shock density ratios such as might be encountered during planetary entry because of real-gas effects could be studied by comparing results in tetrafluoromethane with those in air and helium. It was found that shock density...

Topics: ENGINE INLETS, FLOW CHARACTERISTICS, INLET FLOW, INTAKE SYSTEMS, AIR FLOW, COMPRESSIBLE FLOW,...

250
250

Jul 26, 2010
07/10

by
Glover, Richard D.; Oneil-Rood, Nor

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For many years NASA Ames Research Center, Dryden Flight Research Facility has employed automation in the servicing of flight critical aircraft batteries. Recently a major upgrade to Dryden's computerized Battery Systems Laboratory was initiated to incorporate distributed processing and a centralized database. The new facility, called the Aerospace Energy Systems Laboratory (AESL), is being mechanized with iAPX86 and iAPX286 hardware running iRMX86. The hardware configuration and software...

Topics: COMPRESSIBLE FLOW, GAS MIXTURES, NITROGEN, OXYGEN, THERMODYNAMIC PROPERTIES, CHEMICAL PROPERTIES,...

The present project has been initiated with the aim to produce a solution methodology for high order discretization of compressible flow problems that substantially meets industry standards in terms of efficiency and robustness. The approach is two-pronged: Both discretization methods and solution techniques for the arising nonlinear systems of equations are addressed. This report focuses on the results achieved during the most recent no-cost extension of the project. It is mostly centered...

Topics: DTIC Archive, RWTH AACHEN UNIV (GERMANY), *COMPRESSIBLE FLOW, COMPUTATIONAL FLUID DYNAMICS, MESH,...

The purpose of the present report is to investigate the hodograph method as it is applied in general to the problem of compressible flow. First, the hodograph equations are given in various canonical forms which are convenient for obtaining solutions in the different flow regimes.

Topics: DTIC Archive, Chang, Chieh-Chien, JOHNS HOPKINS UNIV BALTIMORE MD, *COMPRESSIBLE FLOW, METHODOLOGY,...

262
262

Jun 1, 2011
06/11

by
Sitnikova, N.; Volkov, D.; Maximov, I.; Petrusevich, V.; Allen, D

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This 12-part report documents the data obtained from various sensor measurements taken aboard the Russian Express-A2 and Express-A3 spacecraft in Geosynchronous Earth Orbit (GEO). These GEO communications satellites, which were designed and built by NPO Prikladnoy Mekhaniki (NPO PM) of Zheleznogorsk, Russia, utilize Hall thruster propulsion systems for north-south and east-west stationkeeping and as of June 2002, were still operating at 80 deg E and 11 deg W, respectively. Express-A2 was...

Topics: DRAG, AIRCRAFT PERFORMANCE, AERODYNAMICS, TURBULENT BOUNDARY LAYER, COMPRESSIBLE FLOW, SCHLIEREN...

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303

May 27, 2011
05/11

by
Watkins, Charles E.; Woolston, Donald S.; Cunningham, Herbert J

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Details are given of a numerical solution of the integral equation which relates oscillatory or steady lift and downwash distributions in subsonic flow. The procedure has been programmed for the IBM 704 electronic data processing machine and yields the pressure distribution and some of its integrated properties for a given Mach number and frequency and for several modes of oscillation in from 3 to 4 minutes, results of several applications are presented.

Topics: COMPRESSIBLE FLOW, COMPUTATION, THERMODYNAMICS, ENTROPY, TEMPERATURE EFFECTS, AIR FLOW,...

2,315
2.3K

Jul 11, 2010
07/10

by
NON

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Nineteen professors of engineering, physical science, social science, and architecture, three volunteers, six students, a technical director, and two co-directors worked for ten weeks to construct a convincing picture of how people might permanently sustain life in space on a large scale, and to design a system for the colonization of space. Because the idea of colonizing space has awakened strong public interest, the document presented is written to be understood by the educated public and...

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Topics: CALIBRATING, COMPRESSIBLE FLOW, PITOT TUBES, SPEED INDICATORS, ADIABATIC FLOW, MACH NUMBER, SKIN...

295
295

Jun 9, 2011
06/11

by
Monell, Donald W.; Piland, William M

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Past designs of complex aerospace systems involved an environment consisting of collocated design teams with project managers, technical discipline experts, and other experts (e.g. manufacturing and systems operations). These experts were generally qualified only on the basis of past design experience and typically had access to a limited set of integrated analysis tools. These environments provided less than desirable design fidelity, often lead to the inability of assessing critical...

Topics: UNSTRUCTURED GRIDS (MATHEMATICS), UPWIND SCHEMES (MATHEMATICS), ERROR ANALYSIS, ANISOTROPY,...

684
684

Jun 1, 2011
06/11

by
Atwater, James E.; Akse, James R.; Wheeler, Richard R., Jr.; Jovanovic, Goran N.; Pinto-Espinoza, Joaquin; Reed, Brian; Sornchamni, Than

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This report summarizes a three-year collaborative effort between researchers at UMPQUA Research Company (URC) and the Chemical Engineering Department at Oregon State University (OSU). The Magnetically Assisted Gasification (MAG) concept was originally conceived as a microgravity and hypogravity compatible means for the decomposition of solid waste materials generated aboard spacecraft, lunar and planetary habitations, and for the recovery of potentially valuable resources. While a number of...

Topics: TURBOMACHINERY, COMPRESSIBLE FLOW, INCOMPRESSIBLE FLOW, WORKING FLUIDS, ANALYSIS (MATHEMATICS),...

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387

May 30, 2011
05/11

by
Ulbrich, Norber

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Panel method code ANTARES was developed to compute wall interference corrections in a rectangular wind tunnel. The code uses point doublets to represent blockage effects and line doublets to represent lifting effects of a wind tunnel model. Subsonic compressibility effects are modeled by applying the Prandtl-Glauert transformation. The closed wall, open jet, or perforated wall boundary condition may be assigned to a wall panel centroid. The tunnel walls can be represented by using up to 8000...

Topics: COMPRESSIBLE FLOW, UNSTEADY AERODYNAMICS, SWEPT WINGS, AEROELASTICITY, TIME DEPENDENCE, FEEDBACK...

260
260

May 27, 2011
05/11

by
McNeill, Walter E.; Vomaske, Richard F

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An F-86E airplane, in which servo actuation of the ailerons and rudder provides artificial variation of the important lateral and directional aerodynamic stability parameters, has been flown by test pilots of the NASA, U.S. Air Force, and one aircraft manufacturer to determine satisfactory and acceptable levels of lateral oscillatory damping in the landing approach. In addition to normal operational use, particular consideration was given to the emergency condition of failure of...

Topics: TEMPERATURE DISTRIBUTION, TWO DIMENSIONAL FLOW, COOLING, UNSTEADY FLOW, BLUFF BODIES, WAKES,...

273
273

Jul 12, 2010
07/10

by
Osher, S.; Whitlow, W., Jr.; Hafez, M. M

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A class of conservative difference approximations for the steady full potential equation was presented. They are, in general, easier to program than the usual density biasing algorithms, and in fact, differ only slightly from them. Rigorous proof indicated that these new schemes satisfied a new discrete entropy inequality, which ruled out expansion shocks, and that they have sharp, steady, discrete shocks. A key tool in the analysis is the construction of a new entropy inequality for the full...

Topics: COMPRESSIBLE FLOW, EULER EQUATIONS OF MOTION, FOURIER ANALYSIS, FINITE DIFFERENCE THEORY, FINITE...

339
339

Jun 21, 2010
06/10

by
Mccaig, J. C.; Mccampbell, W. M

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Controlled arc spot welding method

Topics: COMPRESSIBLE FLOW, FLOW EQUATIONS, LAMINAR BOUNDARY LAYER, SUCTION, APPROXIMATION, GAS FLOW,...

The author spent one half of the Spring 1983 semester at the Institute for Mathematics and its Applications. During that time he interacted with colleagues, engaged in research, and gave two public lectures at the Institute: Chaos in Phase Transitions, and Dynamics of Phase Transitions. The main thrust of his research was in two areas, specifically: Deterministic chaos in materials exhibiting phase transitions, and Admissibility criteria for weak solutions of the non-hyperbolic conservation...

Topics: DTIC Archive, Slemrod,M, MINNESOTA UNIV MINNEAPOLIS, *Phase transformations, Dynamics, Isotherms,...

Topics: DTIC Archive, NAYLOR, D., BROWN UNIV PROVIDENCE RI DIV OF APPLIED MATHEMATICS, *COMPRESSIBLE FLOW,...

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212

Jul 5, 2010
07/10

by
Joseph, D. D.; Shir, C. C

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No Abstract Available

Topics: AERODYNAMIC CHARACTERISTICS, AIR FLOW, SUPERSONIC FLIGHT, WIND TUNNEL STABILITY TESTS, AERODYNAMIC...

Experiments were performed to determine the effect of subsonic inlet Mach number on diffuser performance and flow regimes for a wide range of conical diffuser geometries. As the Mach number is increased, the flow tends more toward separation in all cases. Diffuser performance maps are presented for three different inlet Mach numbers (S sub 1 = 0.25, 0.55, 0.70). There is no significant variation in the location of the line of maximum performance at constant length to inlet radius ratio, line...

Topics: DTIC Archive, PURDUE RESEARCH FOUNDATION LAFAYETTE IN, *DUCT INLETS, *DIFFUSERS, COMPRESSIBLE FLOW,...

Topics: DTIC Archive, Giese, J. H., ARMY BALLISTIC RESEARCH LAB ABERDEEN PROVING GROUND MD, *COMPRESSIBLE...

244
244

Jul 5, 2010
07/10

by
Conrad, H. M

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The experimental program was designed to: (1) relate the anticipated response to metabolic and energetic reactions throughout the length of roots and shoots; (2) determine whether changes in metabolism which occur on the clinostat would also be found in space-grown seedlings; and (3) compare the biochemistry of epinastic curvature with that of geotropic curvatures. The activity of key enzymes associated with some of the pathways of intermediary metabolism and energetics was measured. The...

Topics: BOUNDARY LAYER FLOW, COMPRESSIBLE FLOW, FLOW EQUATIONS, THREE DIMENSIONAL FLOW, APPLICATIONS OF...

This report concerns the problem of constructing solutions for transonic flows over symmetric airfoils. The aspect of the problem emphasized is, of necessity, not how to form a solution for compressible flow but how to simplify the initial phase of the problem, namely, the mapping of the incompressible flow. In the case of the symmetric Joukowski airfoil without circulation, the mapping is relatively simple, but the coefficients in the power series are difficult to evaluate. As a result, the...

Topics: DTIC Archive, Kuo, Yung-Huai, CORNELL UNIV ITHACA NY, *TRANSONIC FLOW, AIRFOILS, COMPRESSIBLE FLOW,...

The investigators pursued research on the use of spectral methods in computational fluid dynamics. The implementation is examined for the solution of time dependent partial differential equations. Other topics pursued included the adaptation of spectral methods for compressible flow problems involving shocks, and the exploration of information content in spectral calculations. Papers produced during this effort included such titles as Spectral methods for time dependent partial differential...

Topics: DTIC Archive, Gottlieb,, NORTHERN TELECOM ELECTRONICS LTD OTTAWA (ONTARIO), *COMPRESSIBLE FLOW,...

We propose a novel method to implicitly two-way couple Eulerian compressible flow to volumetric Lagrangian solids. The method works for both deformable and rigid solids and for arbitrary equations of state. The method exploits the formulation of [11] which solves compressible fluid in a semi-implicit manner, solving for the advection part explicitly and then correcting the intermediate state to time tn+1 using an implicit pressure, obtained by solving a modified Poisson system. Similar to...

Topics: DTIC Archive, STANFORD UNIV CA, *COMPRESSIBLE FLOW, COUPLING(INTERACTION), FLUID FLOW, FLUIDS,...

The results of an experimental and theoretical study of the compressible flow resulting from a sphere of 9404 explosive initiated at its center and partially immersed in water are described. The flow was studied experimentally using radio graphic and photographic techniques. Compressible hydrodynamic calculations were performed using multicomponent Eulerian numerical techniques.

Topics: DTIC Archive, Mader, Charles L, LOS ALAMOS NATIONAL LAB NM, *EXPLOSION EFFECTS, *UNDERWATER...

This project continues our previous AFOSR project (Grant No. FA9550-08-1-0122) to extend and verify our high order space-time cell vertex scheme (DG-CVS) toward solving the compressible Navier-Stokes equation. The DG-CVS method integrates the best features of the space-time Conservation Element/Solution Element (CE/SE) method [1] and the discontinuous Galerkin (DG) method [2]. The core idea is to construct a staggered space-time mesh through alternate cell-centered CEs and vertex-centered CEs...

Topics: DTIC Archive, JACKSON STATE UNIV MS, *GALERKIN METHOD, *NAVIER STOKES EQUATIONS, CELLS,...

A method of calculating two dimensional compressible flows past thin airfoils is presented with particular reference to the transonic speed range. The method is based on the integral form of the equation of continuity and on the intrinsic form, in terms of the streamline curvature, of the irrotationality condition. The application to the transonic range conforms with, and is carried out within the framework of, the transonic similarity theory. The results include velocity distributions for...

Topics: DTIC Archive, Perl, William, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION WASHINGTON DC,...

A method of obtaining the flow of a nonviscous compressible fluid past arbitrary compressor or turbine blades between two neighboring surfaces of revolution is presented. The equations of continuity and motion obtained for such flow are combined into a nonlinear second- order differential equation in terms of a stream function defined for such flow. Numerical solution by the use of differentiation coefficients for unequally spaced grid points is suggested. Means for satisfying the boundary...

Topics: DTIC Archive, Wu, Chung-Hua, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION WASHINGTON DC, *BLADES,...

This is an interdisciplinary conference. Topics are related to fundamental aspects of Turbulence Physics and include the following fields: Instabilities and transition; Experimental techniques; Direct Numerical Simulation/Large Eddy Simulation; Compressible turbulence; Transport and mixing; Geophysical and environmental flows; Vortex dynamics; Intermittence and scaling; and Turbulent reacting flows.

Topics: DTIC Archive, Dopazo, C, ZARAGOZA UNIV (SPAIN), *TURBULENT FLOW, SIMULATION, SYMPOSIA, VORTICES,...

The nature of intense air vortices was studied and the factors which determine the intensity and rate of decay of both single and pairs of vortices were investigated. Vortex parameters of axial pressure differential, circulation, outflow rates, separation distance and directions of rotation were varied. Unconfined vortices, generated by a single rotating cage, were intensified by an increasing axial pressure gradient. Breakdown occurred when the axial gradient became negligible. The core radius...

Topics: NASA Technical Reports Server (NTRS), COMPRESSIBLE FLOW, FLOW CHARACTERISTICS, VORTICES, BOUNDARY...

Topics: DTIC Archive, WU, Y. T., CALIFORNIA INST OF TECH PASADENA HYDRODYNAMICS LAB, *COMPRESSIBLE FLOW,...

This paper analyzes and compares two methods of energy separation -- a steady-flow method proposed by Ranque over thirty years ago and a nonsteady- flow method recently proposed and studied by Foa. Part I of the paper develops a simple theory for devices utilizing the first method (Ranque tubes). Despite its simplicity and extreme idealization, the theory appears to provide better agreement with experimental data than any of the available analytical treatments. Part II is an extension of the...

Topics: DTIC Archive, RENSSELAER POLYTECHNIC INST TROY NY, *ENERGY, *ENERGY MANAGEMENT, *HILSCH TUBES,...

163
163

Jul 21, 2010
07/10

by
Seab, C. G.; Shull, J. M

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Shock processing plays an important role in the life of a typical interstellar grain. Shocks of 100 km/s-l or greater can destroy about 50% of the grain material under appropriate preshock conditions of density and magnetic field. The destruction occurs by grain-grain collisions and nonthermal sputtering for steady state radiative shocks and by thermal sputtering for fast adiabatic shocks. The evaluation of the lifetime of grains against shock destruction depends on models of the interstellar...

Topics: BOUNDARY CONDITIONS, COMPRESSIBLE FLOW, FLAT PLATES, NAVIER-STOKES EQUATION, PERTURBATION THEORY,...

This report describes a numerical method to calculate the flow of a compressible fluid in the presence of shocks. It is related to the method of von Neumann and Richtmyer and, to a lesser extent, to that of P. Lax. This method permits a number of variations which were compared by testing them on some analytically known one-dimensional flow patterns. The calculations were carried out on the Los Alamos MANIAC.

Topics: DTIC Archive, Landshoff, Rolf, LOS ALAMOS NATIONAL LAB NM, *COMPRESSIBLE FLOW, *HYDRODYNAMICS,...

Topics: DTIC Archive, SEVRUK, I G, FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OH, *HEAT, *CONVECTION,...

The present report is concerned with the problem of the oscillating airfoil of finite span, within the frame of the linearized lifting surface theory. The aim of this study is the development of a theory which incorporates simultaneously the effects of three-dimensionality of the flow and of compressibility of the fluid. As an exact solution of this problem, even within the limitations of the linearized theory, presents very great difficulties, it is worth while to work toward an approximate...

Topics: DTIC Archive, Reissner, Eric, MASSACHUSETTS INST OF TECH CAMBRIDGE, *COMPRESSIBLE FLOW, AIRFOILS,...

283
283

Jul 26, 2010
07/10

by
Feyock, Stefa

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The problem of determining the behavior of physical systems subsequent to the occurrence of malfunctions is discussed. It is established that while it was reasonable to assume that the most important fault behavior modes of primitive components and simple subsystems could be known and predicted, interactions within composite systems reached levels of complexity that precluded the use of traditional rule-based expert system techniques. Reasoning from first principles, i.e., on the basis of...

Topics: COMPRESSIBLE FLOW, EQUATIONS OF MOTION, FLOW EQUATIONS, BERNOULLI THEOREM, CONTINUITY EQUATION,...

Charts are presented in terms of dimensionless parameters to facilitate the computation involved in the solution of equations of one-dimensional steady flow of a compressible fluid. These charts can be effectively used in analyses involving constant or variable specific heats in the subsonic and supersonic ranges. Examples are given in which the charts are applied to the one-dimensional analysis of ideal adiabatic steady flow in ducts of varying area and of nonisentropic frictionless steady...

Topics: DTIC Archive, Turner, L R, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION WASHINGTON DC,...

A rod in cross flow is a technique known for its simple and effective means of suppressing cavity tones. Although several hypotheses have been put forward regarding its working principle, no validated explanation exists. In the present study we investigate whether the cylinder, through its wake, changes the stability characteristics of the shear layer that develops over the cavity. The present study pertains to a shallow cavity of length to depth ratio L/D = 2, for subsonic Mach numbers ranging...

Topics: DTIC Archive, ILLINOIS INST OF TECH CHICAGO FLUID DYNAMICS RESEARCH CENTER, *HIGH FREQUENCY,...

The problem of two-dimensional flow behind a curved stationary shock wave is considered analytically. The method assumes a given shock-wave shape, which automatically determines certain initial conditions on the flow variables; and the flow pattern, including any body shape, follows from the initial conditions. Approximate analytic expressions are found for the stream function in the subsonic region following the shock and, after the stream function is obtained, the flow density is determined...

Topics: DTIC Archive, Shu, S S, MASSACHUSETTS INST OF TECH CAMBRIDGE, *COMPRESSIBLE FLOW, *TWO DIMENSIONAL...