... Title : THE RAYLEIGH PROBLEM IN A RADIATING COMPRESSIBLE GAS. PART II. PLATE MACH NUMBER LARGE. Corporate ...
DTIC Science & Technology
... Lawrence I.: Aerodynamics of Slender Bodies at Mach Number of 3.12 and Reynolds Numbers from 2X106 to 15X106. II - Aerodynamic Load ...
... Abstract : A discussion is presented on the constancy and similarities of dynamics such as: magnetic Reynolds number, magnetic Mach number ...
... Accession Number : AD0918103. Title : Aerodynamic and Inlet Characteristics of the HAST I and II Missiles at Mach Numbers 0.5 to 1.6. ...
... limitations here. Another unexpected result unearthed by the CAP runs was the dependence of the ELB on the Mach number. A ...
... Title : EFFECT OF MACH NUMBER, REYNOLDS NUMBER, AND THICKNESS RATIO ON ... The tests were conducted at Mach numbers ranging from ...
... Title : Mach Number Corrections Due to Wall Effects (Mach Number, Obstruction) Limitations in Solid Test Sections Additional Limitations in ...
... HYPERSONIC GLIDER. PART II. LATERAL STATIC STABILITY AND CONTROL AT MACH NUMBERS OF 0.80, 1.86, AND 2.87. ...
... Title : Static Stability and Control Effectiveness of the MK-84 Modular Guided Glide Bomb II at Transonic Mach Numbers. ...
... Accession Number : ADA057010. Title : Oblique Shock Wave/Turbulent Boundary Layer Interactions in Three Dimensions at Mach 3. Part II. ...
In a parameter study involving thrust vs. flight Mach number, M.D. Mintz has found that net jet thrust becomes a maximum at about Mach 3.66 if the Tory II-C design value of inlet pressure recovery is used at all Mach numbers. This is not a realistic situation, however, ...
DOE Information Bridge
The convective period leading up to a Type Ia supernova (SNIa) explosion is characterized by very low Mach number flows, requiringhydrodynamical methods well-suited to long-time integration. We continuethe development of the low Mach number equation set for stellar scaleflows by incorporating the effects of heat ...
Energy Citations Database
... Title : THE MACH NUMBER AND TEMPERATURE CALIBRATION OF AN AXISYMMETRIC, INTERMITTENT-FLOW SUPERSONIC WIND TUNNEL,. ...
The Mach number system for the Langley Research Center's National Transonic Facility was designed to
NASA Technical Reports Server (NTRS)
... at relatively low free-stream Mach numbers and, before critical Mach number was reached, were almost entirely dependent on Reynolds Number. ...
This memorandum reports the performance of TORY II-C at off-design altitudes and Mach numbers. Inlet pressure recovery has been varied with Mach number, reasonable values for a real inlet having been chosen. Nozzle throat area and exit area have been fixed at the design values. Hence this study ...
... The steady state cases investigated are at .3 Mach and Reynolds numbers of 1 to 5 million and at .12 Mach and a Reynolds number of 1.5 million. ...
At Reynolds numbers below 10,000 the inner viscous wake behind cylinders at Mach 6 is entirely laminar. At these low Reynolds numbers the outer wake caused by the bow shock becomes transitional thousands of diameters downstream. Flowfield measurements (Pa...
National Technical Information Service (NTIS)
... Accession Number : AD0415787. Title : COSMOLOGY, MACH'S PRINCIPLE AND RELATIVITY,. Corporate Author : PRINCETON ...
... Title : Skin Friction Measurements at a Mach Number of Three and Momentum Thickness Reynolds Numbers Up to a Half Million. ...
... Accession Number : AD0623460. Title : EFFECT OF MACH NUMBER ON STREAMWISE VORTICES IN LAMINAR REATTACHING FLOWS. ...
Mar 1, 2011 ... The variation of lift-curve slope with Mach number was gradual with a ... The drag rise begins at a Mach number of 0.90, and at Mach number ...
NASA Website
the disk. That is, the gas was assumed to be highly supersonic. Figure 7 shows the averaged Mach number for the infalling wind as it impacts the disk. On average, the gas is indeed supersonic, but, particularly.--- Plot of the Mach number, averaged over OE and the two sides of the disk, of the gas impacting
E-print Network
. Figure 7 shows the averaged Mach number for the infalling wind as it impacts the disk. On average . #12; { 11 { Fig. 7.| Plot of the Mach number, averaged over #30; and the two sides of the disk, of the gas for the two runs are strongly correlated. Thus, the average rate of mass falling onto the disk is ...
A mach number represents how many times the speed of sound a vehicle is traveling. NASA uses mach numbers to describe the speed of their planes. This video shows you how algebra can be used to determine the mach number of a NASA plane.
NSDL National Science Digital Library
The original design of the Tunnel No. 9 Hypervelocity Facility called for three distinct Mach number capabilities; namely Mach 10, Mach 15, and Mach 20. The Mach 15 (now Mach 14) and Mach 10 legs are operational. However, problems ...
Sep 2, 2010... calculates the speed of sound and the mach number for an input velocity and altitude. Return to Mach number page, or speed of sound page. ...
... Title : DEVELOPMENT OF A VARIABLE MACH NUMBER SLIDING BLOCK NOZZLE AND EVALUATION IN THE MACH 1.3 TO 4.0 RANGE. ...
... Title : THE DESIGN AND OPERATION OF A HIGH MACH NUMBER- REYNOLDS ... A running time of three seconds is available with the present ...
... SOME FLUTTER EXPERIMENTS AT A MACH NUMBER OF 1.3 ON CANTILEVER WINGS WITH TUBULAR AND CLOSED BODIES AT THE TIPS. ...
... Title : NOSE BLUNTNESS, CONE ANGLE, AND MACH NUMBER EFFECTS ON THE STABILITY DERIVATIVES OF SLENDER CONES. ...
The speed of sound depends on the composition and temperature of the air and it decreases with altitude. Use the definition of Mach number obtained from the ...
Numerical solutions of the Euler equations for two-dimensional airfoil flows at low Mach numbers are
... Experimental observations show that the accuracy of this correction Is good for Mach numbers up through critical values. ...
The stability of the super-Alfvenic flow of a two-fluid plasma model with respect to the Mach number
Mach numbers for three levels of turbulence. ... was to determine how the turbulence was affected by ... and Mach numbers, at different turbulence intensities. ...
... This report presents the r-sults of an investigation of the aerodynamic characteristics of these control arrangements at a Mach number of 6.8. ...
Perforated wall nozzle providing variable Mach number supersonic flow for external stream simulation
The report describes the test results of a supersonic axial-flow compressor stage with a tip Mach number of 2.0. This volume discusses a method to eliminate the inlet problem. (Author)
Control tie rods (control rod fully withdrawn) . 3.64%. Side support structure . 7.4370. Page 4. Page 5. Flight Mach Number. Fig. ...
... Title : Static Stability and Control Effectiveness of the Super HOBOS/MK- 84 (EOGB-II) Munition at Mach Numbers from 0.4 to 1.6. ...
design lift raqe low-ayeed data do not suffice to Termit grcdiction of the Mach number at Tghich critical. caRressibility effecte occur- ...
... Projectiles With Anti-Magnus Vanes at Mach Numbers 0.7 Through 2.5," AEDC-TR-73-126; AFATL-TR-73-150; Propulsion Wind Tunnel Facility ...
The relationship between global performance of a typical helicopter and the airfoil environment, as represented by the airfoil angles of attack and Mach number, has been examined using the comprehensive analysis CAMRAD II. A general correspondence is obse...
A Strypi II/NASA/ECHO model was tested in the Sandia 18-Inch Hypersonic Wind Tunnel to obtain six-component force data. Body-fin-rocket, body-fin, and body configurations were tested at Mach numbers of 4.98 and 7.82, three roll attitudes, (0, 45, and 90 degrees) and angles of attach from -6 to 8 degrees. All the data are presented in ...
... Title : TABLES FOR CALCULATION OF REYNOLDS NUMBER AS A FUNCTION OF MACH NUMBER, STAGNATION PRESSURE, AND ...
Original Altitude and Mach Hold Control Systems . FLIGHT ... For subsonic jet transports , accurate control of altitude and Mach number is necessary for such ...
... Accession Number : ADA397011. Title : Turbulent Skin Friction at High Mach Numbers and Reynolds Numbers in Air and Helium. ...
The accuracy of the lattice Boltzmann method (LBM) for describing the behavior of a gas in the continuum limit is systematically investigated. The asymptotic analysis for small Knudsen numbers is carried out to derive the corresponding fluid-dynamics-type equations, and the errors of the LBM are estimated by comparing them with the correct fluid-dynamics-type equations. We ...
PubMed
NASA Astrophysics Data System (ADS)
... FREEZING, SHOCK, GRAPHICS, FLOW, MACH NUMBER, CARBON DIOXIDE, WEDGES, ARGON, FLUORIDES, SULFUR COMPOUNDS. ...
... Accession Number : AD0751180. Title : Quantitative Measures of the Mach-Dvorak Phenomenon with Asymmetrical Stimulation. ...
... Accession Number : AD0203699. Title : PRESSURE DISTRIBUTIONS ON FLAT PLATES AT MACH 4 AND LOW DENSITY FLOW. ...
... Accession Number : AD0479435. Title : OPTIMUM SOURCE SIZE FOR THE MACH-ZEHNDER INTERFEROMETER,. Corporate ...
... Accession Number : AD0746613. Title : Measurement of Pressure in Mach Reflection of Strong Shock Waves in a Shock Tube,. ...
... Accession Number : ADA424159. Title : Magnetogasdynamic Flow Control of a Mach Reflection. Descriptive Note : Master's thesis. ...
... Accession Number : ADA006830. Title : Mach Controller,. Corporate Author : FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO. ...
... Title : LAMINAR HEAT TRANSFER TO A HEMISPHERE AT MACH NUMBER 3.2 AND AT LOW HEAT-TRANSFER RATES. ...
Aerodynamic characteristics of lenticular and elliptic shaped lifting-reentry configurations at Mach
... Accession Number : AD0079595. Title : A MACH-ZEHNDER INTERFEROMETER FOR SHOCK TUBE APPLICATIONS. Corporate ...
... Accession Number : AD0741249. Title : Study of Altitude and Mach Number Effects on Exhaust Gas Emissions of an Afterburning Turbofan Engine. ...
... Accession Number : ADA203285. Title : Similarity Solution for Low Mach Number Spherical Shocks. Corporate Author : NAVAL ...
... the wall Mach number distributions relative to different Reynolds numbers R 6 , the initial Mach number Mo and shape parameter Rio being the ...
... of both surface pressures and total forces and moments were made at a variety of Mach numbers and Reynolds number combinations. ...
... Accession Number : ADA801364. Title : Effect of Mach and Reynolds Numbers on Maximum Lift Coefficient. Descriptive Note : Technical note. ...
... Accession Number : ADD521235. Title : Effect of Mach Number on Slender Vehicle Dynamics. Descriptive Note : Journal article,. ...
... Accession Number : ADD523918. Title : Aerodynamics of Tactical Weapons to Mach Number 8 and Angle of Attack of 180 Degrees. ...
... CD Drag coefficient plete acoustic formulation, for ... MN Mach number Navier-Stokes equations. ... Nu Nusselt number tional Fluid Dynamics (CFD ...
A discussion is presented on the constancy and similarities of dynamics such as: magnetic Reynolds number, magnetic Mach number, the ratio of the viscous and magnetic diffusivities, Hartman number and various combinations of these values. In addition, an analysis is made of some of the intrinsic equations of ...
... numbers. (Author). Descriptors : *HYPERSONIC NOZZLES, *HYPERSONIC WIND TUNNELS, HYPERSONIC NOZZLES, REYNOLDS NUMBER, ...
It is shown that critical Mach number formation of the structure of the front of collisionless shock is concerned with nonlinear solitary wave packet of whistler oscillations. This critical Mach number is not the same as usually defined when ohmic dissipa...
Wall Mach number distributions were determined over a range of test-section free-stream Mach numbers
Two aspects of the stability of a compressible mixing layer: Absolute/Convective instability and the convective Mach number were considered. It was shown that, for Mach numbers less than one, the compressible mixing layer is convectively unstable unless t...
The results of fitting Bicknell's semiempirical turbulent jet model to a sample of 23 jets taken from the B2 extragalactic radio sources studied in detail using the VLA are presented. It is found that the model fits are generally very reasonable and that the single most important parameter in the fits is the ratio of galaxy virial temperature to interstellar medium temperature. In most ...
Wind tunnel tests were conducted using 0.05-scale models to study the aerodynamic loads and separation characteristics from the F-4C aircraft for the MGGB MK-II store. The aerodynamic characteristics of the store were determined at free-stream conditions ...
... Title : Variable Mach Number Wall Jets for Control/Propulsion on Hypervelocity Projectiles/Interceptors: Tests with an Existing Model. ...
Thrust augmentation results for a primary flow Mach number of 3.7, secondary flow Mach numbers ... they affect the thrust augmentation of a pulsed ejector. ...
... of Mach number and shock wave slope, from which the following are ... study of flow of a reLaxing ges behind shock waves at large Mach numbers. ...
Experimental studies of panel flutter using thin metal plates were conducted at a Mach number of 1.3
butterfly valve anda gatevalve allowing fastermodelconfigurationchanges;5) a ... the flap shapes for various Mach number ranges with a table of the re-entry ...
... Accession Number : ADP000289. Title : Shock Wave Structure in Gas-Particle Mixtures at Low Mach Numbers,. Corporate ...
area change are analyzed in terms of the incident shock wave. Mach number ... shock wave, measured by the shock wave Mach number, and the area ratio ...
... AT A MACH NUMBER OF 7.0 IN HELIUM By Ali Arman ... AT A MACH NUMBER OF 7.0 IN HELIUM By Ali Arman SUMMARY ...
Surface pressure tests were made on a scale model of the Viking Lander Capsule at Mach number 10 and
... Personal Author(s) : Barclay, Lewis P. ... problems can lead to serious errors at Mach numbers above 0.3 ... loss as a function of the Mach number and a ...
... Title : Operational Experience in the Mach Number 10-20 Range in the Princeton University Helium Hypersonic Wind Tunnel,. ...
Jul 14, 2008 ... After reading an explanation from a NASA Web-based textbook, you will demonstrate your understanding of Mach numbers by using them to ...
Mar 16, 2010 ... The Mach number M allows us to define flow regimes in which ... The Space Shuttle re-enters the atmosphere at high hypersonic speeds, ...
Jan 13, 2006 ... But a sharp disturbance generates a shock wave that affects both the lift ... The Mach number M allows us to define flight regimes in which ...
... Title : Investigation of Wing Characteristics at a Mach Number of 1.53. 3 - Unswept Wings of Differing Aspect Ratio and Taper Ratio. ...
The existence of a large scale structure in a Mach number 0.6, axisymmetric jet of cold air has been
... AIRPLANE NOSE CONE UP TO A MACH NUMBER OF 2 By Norman J. McLeod ... AIRPLANE NOSE CONE UP TO A MACH NUMBER OF 2 H ...
The results show that the Mach number at the edge of the boundary layer is .... entropy moving rearward on the body), and the thickness at a given station ...
... In practice, most multigrid applications are for steady state problems. ... For low Mach number flows, the efficiency of nsiltigrid strongly depends on the ...
... The section lift characteristics were determined for Mach numbers ranging from ... x 10(exp 6) to 9.0 x 10(exp 6). For the airfoil sections with abrupt ...
... Title : Effect of Various Parameters Including Mach Number on the Single-Degree-of-Freedom Flutter of a Control Surface in Potential Flow. ...
... Title : Effect of Mach Number on the Maximum Lift and Buffeting Boundary Determined in Flight on a North American P-51D Airplane. ...
... Title : Critical Mach Numbers of Circulation Control Airfoils as Determined by Finite-Difference Methods. Descriptive Note : Technical note,. ...
... Accession Number : ADA801298. Title : Characteristics of Perforated Diffusers at Free-Stream Mach Number 1.90. Descriptive ...
... to compute the lift, drag, pitching moment, magnus moment, roll damping moment, and pitch damping moment ... Mach number 3 and angle of attack ...
... An example concerning the heat transfer and pressure drop ... inlet Mach number on pressure loss, exit Mach number and total area required to ...
... Title : AERODYNAMICS OF SLENDER BODIES AT MACH NUMBER OF 3.12 AND REYNOLDS NUMBERS FROM 2X106 TO 15X106. ...
... of high Reynolds and Mach numbers flows such ... nozzle, and the jet Mach number were explored. ... were also performed on a Hartmann Tube based ...
... for Determining Mach Number and True Airspeed from Airspeed-Indicator Readings AUTHOR|S ... SUBJECT HEADINGS: Airspeed indicators (09700) ...
... Collection includes both citations and many full-text, downloadable documents ... Title : A Simplified Chart for Determining Mach Number and True ...
Mar 1, 2011 ... The variation of lift-curve slope with Mach number was gradual with a ... a value of 62 percent mean aerodynamic chord at a Mach number of ...
for incompressible potential flow. The purpose of the present study is to assess the accuracy of an Euler code at low Mach number and to investigate the factors ...
surface incidence angle. To blend the two solutions over. a large range of Mach numbers, ...... Mach number and the local incidence angles; thus for a ...
1995 Phase II. Enhanced Combustion Pulsejet Engine (ECPE) for Mach 0 to 3 Applications ... Enhanced Combustion Pulsejet Engine on Target Drone ...
Efficiency of electron heating through microinstabilities generated in the transition region of a quasi-perpendicular shock for wide ange of Mach numbers is investigated by utilizing PIC (Particle-In-Cell) simulation and model analyses. In the model analyses saturation levels of effective electron temperature as a result of microinstabilities are estimated ...
No matter what the stage of your aerothermodynamic design project, ... which makes the Mach 10 tunnel ideally suited for heat transfer studies. ... Mach 6 High Temperature Air Tunnel the effects of Mach number, Reynolds number, ...
... Accession Number : AD0631474. ... AROUND TWO-DIMENSIONAL BODIES AT HIGH MACH NUMBERS AND LOW REYNOLDS NUMBERS. ...
... Title : Evaluation of Reynolds Number and Tunnel Wall Porosity Effects on Nozzle Afterbody Drag at Transonic Mach Numbers. ...
... Title : EFFECT OF REYNOLDS NUMBER ON TURBINE PERFORMANCE AT VARIOUS MACH NUMBERS. Descriptive Note : Final rept.,. ...
... Title : An Investigaion of Boattail Geometry and Reynolds Number Effects on Forebody and Afterbody Drag at Transonic Mach Numbers. ...
A numerical approach is presented for the computation of flows in which the component of velocity in
