
Accession Number : ADA310062
Title : ALLSPD3D. Version 1.Oa.
Descriptive Note : Technical memo.,
Corporate Author : NATIONAL AERONAUTICS AND SPACE ADMINISTRATION CLEVELAND OH LEWIS RESEARCH CEN TER
Personal Author(s) : Chen, K. H. ; Duncan, B. ; Fricker, D. ; Lee, J. ; Quealy, A.
PDF Url : ADA310062
Report Date : APR 1996
Pagination or Media Count : 166
Abstract : This report describes the ALLSPD3D computer program for the calculation of theedimensional, chemically reacting flows with sprays. ALLSPD3D employs a coupled, strongly implicit solution procedure for turbulent spray combustion flows. ALLSPD3D utilizes generalized curvilinear coordinates with both multiblock and flexible internal blockage capabilities to handle complex geometries. The ALLSPD3D algorithm, which employs preconditioning and eigenvalue rescaling techniques, is capable of providing efficient solution of flows over a wide range of subsonic Mach numbers. The chemistry treatment in the code is general enough that an arbitrary number of reactions and species can be defined by the users. In addition, for general industrial combustion applications, the code provides both dilution and transpiration cooling capabilities. A stochastic spray model and an efficient method for treating the spray source terms in the gasphase equations are used to analyze evaporating spray droplets. Although written for threedimensional flows, the code can be used for twodimensional and axisymmetric flow computations as well. The code is written in such a way that it can be run on various computer platforms (supercomputers, workstations, and parallel processors) while the GUI (Graphical User Interface) should provide a userfriendly tool for setting up and running the code.
Descriptors : *COMPUTER PROGRAM DOCUMENTATION, *COMPUTATIONAL FLUID DYNAMICS, *GAS TURBINES, DATA BASES, MATHEMATICAL MODELS, ALGORITHMS, USER MANUALS, STOCHASTIC PROCESSES, EQUATIONS OF MOTION, DATA MANAGEMENT, REACTION KINETICS, INPUT OUTPUT PROCESSING, TURBULENCE, TURBULENT FLOW, EDDIES(FLUID MECHANICS), EIGENVALUES, PARALLEL PROCESSING, VAPOR PHASES, FINITE DIFFERENCE THEORY, COMBUSTORS, MASS FLOW, COMPRESSIBLE FLOW, FLOW FIELDS, TEMPERATURE GRADIENTS, CONVERGENCE, HYDRODYNAMIC CODES, TRANSPIRATION, MACH NUMBER, SUBSONIC FLOW, EVAPORATION, COMPUTER FILES, CONVECTION(HEAT TRANSFER), NAVIER STOKES EQUATIONS, VISCOSITY, SPRAYS, REYNOLDS NUMBER, TWO PHASE FLOW, USER FRIENDLY, THREE DIMENSIONAL FLOW, AXISYMMETRIC FLOW.
Subject Categories : Computer Programming and Software
Fluid Mechanics
Jet and Gas Turbine Engines
Distribution Statement : APPROVED FOR PUBLIC RELEASE