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Inviscid Flow Computations Of The Shuttle Orbiter For Mach 10 And 15 And Angle Of Attack 40 To 60 Degrees
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Author :National Aeronautics and Space Adm Nasa Publisher :Independently Published ISBN 13 :9781724073310 Total Pages :30 pages Book Rating :4.0/5 (733 download)
Book Synopsis Inviscid Flow Computations of the Shuttle Orbiter for Mach 10 and 15 and Angle of Attack 40 to 60 Degrees by : National Aeronautics and Space Adm Nasa
Download or read book Inviscid Flow Computations of the Shuttle Orbiter for Mach 10 and 15 and Angle of Attack 40 to 60 Degrees written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2018-09-26 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report documents the results of a computational study done to compute the inviscid longitudinal aerodynamic characteristics of the Space Shuttle Orbiter for Mach numbers 10 and 15 at angles of attack of 40, 50, 55, and 60 degrees. These computations were done to provide limited aerodynamic data in support of the Orbiter contingency abort task. The Orbiter had all the control surfaces in the undeflected position. The unstructured grid software FELISA was used for these computations with the equilibrium air option. Normal and axial force coefficients and pitching moment coefficients were computed. The hinge moment coefficients of the body flap and the inboard and outboard elevons were also computed. These results were compared with Orbiter Air Data Book (OADB) data and those computed using GASP. The comparison with the GASP results showed very good agreement in Cm and Ca at all the points. The computed axial force coefficients were smaller than those computed by GASP. There were noticeable differences between the present results and those in the OADB at angles of attack greater than 50 degrees. Prabhu, Ramadas K. and Sutton, Kenneth (Technical Monitor) Langley Research Center NASA/CR-2001-211267, NAS 1.26:211267
Book Synopsis Inviscid Flow Computations of the Shuttle Orbiter for Mach 10 and 15 and Angle of Attack 40 to 60 Degrees by :
Download or read book Inviscid Flow Computations of the Shuttle Orbiter for Mach 10 and 15 and Angle of Attack 40 to 60 Degrees written by and published by . This book was released on 2001 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Inviscid Flow Computations of the Shuttle Orbiter for Mach 10 and 15 and Angle of Attack 40 to 60 Degrees ... Nasa by : United States. National Aeronautics and Space Administration
Download or read book Inviscid Flow Computations of the Shuttle Orbiter for Mach 10 and 15 and Angle of Attack 40 to 60 Degrees ... Nasa written by United States. National Aeronautics and Space Administration and published by . This book was released on 2002* with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A High Angle of Attack Inviscid Shuttle Orbiter Computation by : National Aeronautics and Space Adm Nasa
Download or read book A High Angle of Attack Inviscid Shuttle Orbiter Computation written by National Aeronautics and Space Adm Nasa and published by . This book was released on 2018-10-23 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: As a preliminary step toward predicting the leeside thermal environment for winged reentry vehicles at flight conditions, a computational solution for the flow about the Shuttle Orbiter at wind tunnel conditions was made using a point-implicit, finite volume scheme known as the Langley Aerothermodynamic Upwind Relaxation Algorithm (LAURA). The surface pressures resulting from the computational solution are compared with wind tunnel data. The results indicate that the dominant inviscid flow features are being accurately predicted on the leeside of the Shuttle Orbiter at a moderately high angle of attack. Kleb, William L. and Weilmuenster, K. James Langley Research Center RTOP 506-40-91-01...
Book Synopsis An Inviscid Computational Study of the Space Shuttle Orbiter and Several Damaged Configurations by : National Aeronautics and Space Administration
Download or read book An Inviscid Computational Study of the Space Shuttle Orbiter and Several Damaged Configurations written by National Aeronautics and Space Administration and published by . This book was released on 2018-08-27 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Inviscid aerodynamic characteristics of the Space Shuttle Orbiter were computed in support of the Columbia Accident Investigation. The unstructured grid software FELISA was used and computations were done using freestream conditions corresponding to those in the NASA Langley 20-Inch Mach 6 CF4 tunnel test section. The angle of attack was held constant at 40 degrees. The baseline (undamaged) configuration and a large number of damaged configurations of the Orbiter were studied. Most of the computations were done on a half model. However, one set of computations was done using the full-model to study the effect of sideslip. The differences in the aerodynamic coefficients for the damaged and the baseline configurations were computed. Simultaneously with the computation reported here, tests were being done on a scale model of the Orbiter in the 20-Inch Mach 6 CF4 tunnel to measure the deltas . The present computations complemented the CF4 tunnel test, and provided aerodynamic coefficients of the Orbiter as well as its components. Further, they also provided details of the flow field.Prabhu, Ramadas K. and Merski, N. Ronald (Technical Monitor)Langley Research CenterACCIDENT INVESTIGATION; AERODYNAMIC CHARACTERISTICS; INVISCID FLOW; SPACE SHUTTLE ORBITERS; COMPUTATIONAL FLUID DYNAMICS; COLUMBIA (ORBITER); AERODYNAMIC CONFIGURATIONS; DAMAGE; WIND TUNNEL TESTS; METHANE; SIDESLIP; UNSTRUCTURED GRIDS (MATHEMATICS); HYPERSONIC SPEED; COMPUTER PROGRAMS; AERODYNAMIC COEFFICIENTS; ANGLE OF ATTACK; FLOW DISTRIBUTION...
Book Synopsis A High Angle of Attack Inviscid Shuttle Orbiter Computation by :
Download or read book A High Angle of Attack Inviscid Shuttle Orbiter Computation written by and published by . This book was released on 1992 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis NASA Langley Scientific and Technical Information Output-2001 by :
Download or read book NASA Langley Scientific and Technical Information Output-2001 written by and published by . This book was released on 2002 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book 04-2169 - 04-2293 written by and published by . This book was released on 2004 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Flowfield Computations Over the Space Shuttle Orbiter with a Proposed Canard at a Mach Number of 5.8 and 50 Degrees Angle of Attack by : William H. Reuter
Download or read book Flowfield Computations Over the Space Shuttle Orbiter with a Proposed Canard at a Mach Number of 5.8 and 50 Degrees Angle of Attack written by William H. Reuter and published by . This book was released on 1993 with total page 39 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Adm Nasa Publisher :Independently Published ISBN 13 :9781724112323 Total Pages :38 pages Book Rating :4.1/5 (123 download)
Book Synopsis Inviscid Flow Computations of the Orbital Sciences X-34 Over a Mach Number Range of 1.25 to 6.0 by : National Aeronautics and Space Adm Nasa
Download or read book Inviscid Flow Computations of the Orbital Sciences X-34 Over a Mach Number Range of 1.25 to 6.0 written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2018-09-27 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report documents the results of an inviscid computational study conducted on the Orbital Sciences X-34 vehicle to compute its inviscid longitudinal aerodynamic characteristics over a Mach number range of 1.25 to 6.0. The unstructured grid software FELISA was used and th e aerodynamic characteristics were computed at Mach numbers 1.25, 1.6, 2.5, 4.0, 4.63, and 6.0, and an angle of attack range of -4 to 32 degrees. These results were compared with available aerodynamic data from wind tunnel test on X-34 models. The comparison showed excellent agreement in C(sub N). The computed pitching moment compared well at Mach numbers 2.5 and higher, and at angles of attack of up to 12 deg. The agreement was not good at higher angles of attack possibly due to viscous effects. At lower Mach numbers there were significant differences between computed and measured C(sub m) values. This could not be explained. Since the present computations are inviscid, the computed C(sub A) was consistently lower than the measured values as expected. Prabhu, Ramadas K. Langley Research Center NASA/CR-2001-210849, NAS 1.26:210849
Book Synopsis Force and Moment, Flow-visualization, and Boundary-layer Tests on a Shuttle Orbiter Model at Mach 6 by : Robert L. Calloway
Download or read book Force and Moment, Flow-visualization, and Boundary-layer Tests on a Shuttle Orbiter Model at Mach 6 written by Robert L. Calloway and published by . This book was released on 1981 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Aerodynamic and Angle-of-attack Uncertainties on the Blended Entry Flight Control System of the Space Shuttle from Mach 10 to 2.5 by : Howard W. Stone
Download or read book Effect of Aerodynamic and Angle-of-attack Uncertainties on the Blended Entry Flight Control System of the Space Shuttle from Mach 10 to 2.5 written by Howard W. Stone and published by . This book was released on 1984 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Viscous Computation of a Space Shuttle Flow Field by :
Download or read book Viscous Computation of a Space Shuttle Flow Field written by and published by . This book was released on 1984 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781724986931 Total Pages :26 pages Book Rating :4.9/5 (869 download)
Book Synopsis A Decade of Computer Simulations for Space Shuttle Aerodynamics by : National Aeronautics and Space Administration (NASA)
Download or read book A Decade of Computer Simulations for Space Shuttle Aerodynamics written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-08-09 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ten years ago computer simulations of the flow field around the Space Shuttle Orbiter were limited to inviscid calculations for the windward side of the forebody and viscous calculations for selected 2-D problems. Advances in computer hardware and numerical methods during the past ten years made it possible to calculate viscous flow over the complete orbiter configuration at angle of attack. The equations solved are the Reynolds-averaged, Navier-Stokes equation, simplified by either the thin-layer or parabolized approximation. An algebraic eddy viscosity model is used for turbulent flow. The free stream is assumed to be a perfect gas for wind tunnel conditions and a real gas in thermodynamic equilibrium for flight conditions. Four examples of recent computer simulations are presented. Flow field results include oil flow patterns on the surface and Mach number contours, isobars, and cross-flow velocity vectors in the shock layer. Inouye, Mamoru Ames Research Center NASA-TM-100990, A-88150, NAS 1.15:100990 RTOP 505-60-01...
Book Synopsis Aerodynamic Characteristics of the 140A/B Space Shuttle Orbiter at Mach 10.3 by : Peter T. Bernot
Download or read book Aerodynamic Characteristics of the 140A/B Space Shuttle Orbiter at Mach 10.3 written by Peter T. Bernot and published by . This book was released on 1979 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781722481643 Total Pages :28 pages Book Rating :4.4/5 (816 download)
Book Synopsis Performance of an Aerodynamic Yaw Controller Mounted on the Space Shuttle Orbiter Body Flap at Mach 10 by : National Aeronautics and Space Administration (NASA)
Download or read book Performance of an Aerodynamic Yaw Controller Mounted on the Space Shuttle Orbiter Body Flap at Mach 10 written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-09 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: A wind-tunnel investigation of the effectiveness of an aerodynamic yaw controller mounted on the lower surface of a shuttle orbiter model body flap was conducted in the Langley 31-Inch Mach 10 Tunnel. The controller consisted of a 60 deg delta fin mounted perpendicular to the body flap lower surface and yawed 30 deg to the free stream direction. The control was tested at angles of attack from 20 deg to 40 deg at zero sideslip for a Reynolds number based on wing mean aerodynamic chord of 0.66 x 10(exp 6). The aerodynamic and control effectiveness characteristics are presented along with an analysis of the effectiveness of the controller in making a bank maneuver for Mach 18 flight conditions. The controller was effective in yaw and produced a favorable rolling moment. The analysis showed that the controller was as effective as the reaction control system in making the bank maneuver. These results warrant further studies of the aerodynamic/aerothermodynamic characteristics of the control concept for application to future transportation vehicles. Scallion, W. I. Langley Research Center RTOP 242-80-01-01...
Book Synopsis Analysis of the Space Shuttle Orbiter Entry Dynamics from Mach 10 to Mach 2.5 with the November 1976 Flight Control System by : Richard W. Powell
Download or read book Analysis of the Space Shuttle Orbiter Entry Dynamics from Mach 10 to Mach 2.5 with the November 1976 Flight Control System written by Richard W. Powell and published by . This book was released on 1980 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
