1–20 of 26 hits
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    CFD Approaches for Simulation of Wing-Body Stage Separation

    Buning, Pieter G. / Gomez, Reynaldo J. / Scallion, William I. | NTRS | 2004
    A collection of computational fluid dynamics tools and techniques are being developed and tested for application to stage separation and ...
    Keywords: Fluid Mechanics And Thermodynamics

    The Current Status of Unsteady CFD Approaches for Aerodynamic Flow Control

    Carpenter, Mark H. / Singer, Bart A. / Yamaleev, Nail et al. | NTRS | 2002
    An overview of the current status of time dependent algorithms is presented. Special attention is given to algorithms used to predict fluid ...
    Keywords: Fluid Mechanics And Thermodynamics

    CFD Simulations in Support of Shuttle Orbiter Contingency Abort Aerodynamic Database Enhancement

    Papadopoulos, Periklis E. / Prabhu, Dinesh / Wright, Michael et al. | NTRS | 2001
    Modern Computational Fluid Dynamics (CFD) techniques were used to compute aerodynamic forces and moments of the Space Shuttle Orbiter in ...
    Keywords: Fluid Mechanics And Thermodynamics

    CFD Process Pre- and Post-processing Automation in Support of Space Propulsion

    Dorney, Suzanne M. | NTRS | 2003
    The use of Computational Fluid Dynamics or CFD has become standard practice in the design and analysis of the major components used for ...

    Evaluation of a CFD Method for Aerodynamic Database Development using the Hyper-X Stack Configuration

    Parikh, Paresh / Engelund, Walter / Armand, Sasan et al. | NTRS | 2004
    A computational fluid dynamic (CFD) study is performed on the Hyper-X (X-43A) Launch Vehicle stack configuration in support of the ...
    Keywords: Fluid Mechanics And Thermodynamics

    Computational Aerothermodynamic Design Issues for Hypersonic Vehicles

    Gnoffo, Peter A. / Weilmuenster, K. James / Hamilton, H. Harris, II et al. | NTRS | 1997
    extracting and extending computational fluid dynamic (CFD) solutions for efficient utilization by all members of a multidisciplinary design team; (4 ...

    Effect of Tube Geometry on Regenerative Cooling Performance

    Parris, Daniel K. / Landrum, D. Brian | NTRS | 2005
    The flowfield characteristics in a rocket engine coolant channels are analyzed by use of a commercial CFD and multiphysics software ...
    Keywords: Fluid Mechanics And Thermodynamics

    The NPARC Alliance Verification and Validation Archive

    Slater, John W. / Dudek, Julianne C. / Tatum, Kenneth E. | NTRS | 2000
    The NPARC Alliance (National Project for Applications oriented Research in CFD) maintains a publicly-available, web-based verification and ...

    Simulation of Unsteady Flows Using an Unstructured Navier-Stokes Solver on Moving and Stationary Grids

    Biedron, Robert T. / Vatsa, Veer N. / Atkins, Harold L. | NTRS | 2005
    . Example problems considered are relevant to active flow control and stability and control. Computational results are presented using the Spalart ...
    Keywords: Fluid Mechanics And Thermodynamics

    Successes and Challenges of Incompressible Flow Simulation

    Kwak, Dochan / Kiris, Cetin | NTRS | 2003
    During the past thirty years, numerical methods and simulation tools for incompressible flows have been advanced as a subset of CFD ...
    Keywords: Fluid Mechanics And Thermodynamics

    Downstream Effects on Orbiter Leeside Flow Separation for Hypersonic Flows

    Buck, Gregory M. / Pulsonetti, Maria V. / Weilmuenster, K. James | NTRS | 2005
    matched baseline experiments. Thus, the present findings demonstrate that it is imperative to include the wake flow domain in CFD calculations in ...
    Keywords: Fluid Mechanics And Thermodynamics

    Aeroheating Design Issues for Reusable Launch Vehicles: A Perspective

    Zoby, E. Vincent / Thompson, Richard A. / Wurster, Kathryn E. | NTRS | 2004
    -based testing, and computational fluid dynamic (CFD) and engineering codes, is presented. Challenges inherent to the prediction of aeroheating ...

    Matching Multistage Schemes to Viscous Flow

    Kleb, William L. / VanLeer, Bram / Wood, William A. | NTRS | 2005
    schemes for computational fluid dynamics codes can also provide an order of magnitude faster convergence, relative to standard, fixed-coefficient ...
    Keywords: Fluid Mechanics And Thermodynamics

    Calculation of Supersonic Combustion Using Implicit Schemes

    Yoon, Seokkwan / Kwak, Dochan | NTRS | 2003
    stability and convergence have been encountered when there is strong interaction between fluid motion and chemical reaction, such as multiple fuel ...

    The Lag Model, a Turbulence Model for Wall Bounded Flows Including Separation

    Olsen, Michael E. / Coakley, Thomas J. / Kwak, Dochan | NTRS | 2001
    or SST models, do not require specification of wall distance, and have similar or reduced computational effort compared with these models. ...
    Keywords: Fluid Mechanics And Thermodynamics

    Hyper-X Mach 7 Scramjet Design, Ground Test and Flight Results

    Ferlemann, Shelly M. / McClinton, Charles R. / Rock, Ken E. et al. | NTRS | 2005
    calculated using the computer code, SRGULL, with input from computational fluid dynamics (CFD) and wind tunnel tests. This paper will discuss the ...
    Keywords: Fluid Mechanics And Thermodynamics

    The Importance of Detailed Component Simulations in the Feedsystem Development for a Two-Stage-to Orbit Reusable Launch Vehicle

    Mazurkivich, Pete / Chandler, Frank / Grayson, Gary | NTRS | 2005
    , computational fluid-dynamics (CFD) model was employed. The results from the CFD model were used to specify the valve's flow characteristics in the ...