CiNii 図書 - Computational fluid dynamics and heat transfer : emerging topics

The main focus of this book is to introduce computational methods for fluid flow and heat transfer to scientists, engineers, educators, and graduate students who are engaged in developing and/or using computer codes. The topic ranges from basic methods such as a finite difference, finite volume, finite element, large eddy simulation, and direct numerical simulation to advanced, and Smoothed Particle Hydrodynamics (SPH). The objective is to present the current state-of-the-art for simulating fluid flow and heat transfer phenomena in engineering applications. Heat transfer and fluid flow issues are of great significance and it is likely that a state-of-the-art edited book with reference to new and innovative numerical methods will make a contribution for researchers in both academia and research organizations, as well as industrial scientists and college students. The book contains 12 chapters written by eminent researches in the field, divided into the following four parts: Part I: Finite Volume Method Part II: Finite Element Method Part IV: Turbulent Flow Computations/Large Eddy Simulation/Direct Numerical Simulation Part V: Advanced Simulation Modelling Technologies

Contents Finite-Volume Method: A higher-order bounded discretization scheme Introduction
Numerical Formulation
Governing equations
Discretization
Higher-order schemes
Weighted-average coefficient ensuring boundedness
Test Problem and Results
Pure convection of a box-shaped step profile
Sudden expansion of an oblique velocity field in a cavity
Two-dimensional laminar flow over a fence
Conclusions Higher-order numerical schemes for heat, mass, and momentum transfer in fluid flow Introduction
Single-Grid Schemes
New Numerical Simulation Strategy
Novel Multigrid Numerical Procedure
The First Test Problem
Numerical Results of the First Test Problem
The Second Test Problem
Numerical Results of the Second Test Problem
Application of NIMO Scheme to Laminar Flow Problems
Steady laminar flow in pipes
Steady laminar flow over a fence
Application of the NIMO Higher-Order Scheme to the Turbulent Flow in Pipes
Conclusions CFD for industrial turbomachinery designs Introduction
Computational methods in turbomachinery
Grid-free vortex method
Numerical Methods for Incompressible Flow
Numerical Methods for Compressible Flow
Governing Equations for Two-Dimensional Flow
Decomposition of Flux Vector
Governing equations
Special treatment of the artificial dissipation terms and numerical algorithm
Stability Analysis
Applications in Turbine Cascade
C3X turbine cascade
VKI turbine cascade
Numerical Method for Three-Dimensional Flows
Applications of Three-Dimensional Method
Analysis of pitch-width effects on the secondary-flows of turbine blades
Flow around centrifuge compressors scroll tongue
CFD Applications in Turbomachine Design
Flow solver for section analysis
Optimization Finite Element Method The finite element method: discertization and application to heat convection problems Governing Equations
Non-dimensional form of fluid flow equations
Non-dimensional form of turbulent flow equations
Porous media flow: the generalized model equations
The Finite Element Method
Strong and weak forms
Weighted residual approximation
The Galerkin, finite element, method
Characteristic Galerkin scheme for convection-diffusion equation
Stability conditions
Characteristic-based split scheme Equal-order segregated finite-element method for fluid flow and heat transfer simulation Introduction
Finite-Element Description
Two-dimensional elements
Three-dimensional elements
Degenerated elements
Special elements (rod and shell)
Governing Equations for Fluid Flow and Heat Transfer Problems
General form of governing equations
Discretized equations and solution algorithm
Stabilized method
Formulation of Stabilized Equal-Order Segregated Scheme
Introduction
FEM-based segregated formulation
Data storage and block I/O process
Case Studies
Two-dimensional air cooling box
CPU water cooling analysis Turbulent Flow Computations/Large Eddy Simulation/Direct Numerical Simulation Time-accurate techniques for turbulent heat transfer analysis in complex geometries Introduction
General Form of Conservative Equations
Incompressible constant property assumption
Modeling turbulence
Transformed Equations in Generalized Coordinate Systems
Source terms in rotating systems
Computational Framework
Time-Integration Algorithm
Predictor step
Pressure formulation and corrector step
Integral adjustments at nonmatching boundaries
Discretization of Convection Terms
Large-Eddy Simulations and Subgrid Modeling
Detached Eddy Simulations or Hybrid RANS-LES
Solution of Linear Systems
Parallelization Strategies
Applications On large eddy simulation of turbulent flow and heat transfer in ribbed ducts Introduction
Numerical Method
Results And Discussion
Fully developed pipe flow
Transverse ribbed duct flow
V-shaped ribbed duct flow
Conclusions Recent developments in DNS and modeling of turbulent clows and heat transfer Introduction
Present State of Direct Numerical Simulations
Instantaneous and Reynolds-Averaged Governing Equations for Flow and Heat Transfer
Numerical Procedures of DNS
DNS using high-accuracy finite-difference method
DNS using spectral method
DNS of Turbulent heat Transfer in Channel Flow with Transverse-Rib Roughness: Finite-Difference Method
Heat transfer and skin friction coefficients
Velocity and thermal fields around the rib
Statistical characteristics of velocity field and turbulent structures
Statistical characteristics of thermal field and related turbulent structures
DNS of Turbulent heat Transfer in Channel Flow with Arbitrary Rotating Axes: Spectral Method
Nonlinear Eddy Diffusivity Model for Wall-Bounded Turbulent Flow
Evaluations of existing turbulence models in rotating wall-bounded flows
Proposal of nonlinear eddy diffusivity model for wall-bounded flow
Nonlinear Eddy Diffusivity Model for Wall-Bounded Turbulent Heat Transfer
Evaluations of turbulent heat transfer models in rotating channel flows
Proposal of nonlinear eddy diffusivity model for wall-bounded turbulent heat transfer
Model Performances
Prediction of rotating channel flow using NLEDMM
Prediction of rotating channel-flow heat transfer using NLEDHM
Concluding Remarks Analytical wall-functions of turbulence for complex surface flow phenomena Introduction
Numerical Implementation of Wall Functions
Standard Log-Law Wall-Function (LWF)
Analytical Wall-Function (AWF)
Basic strategy of the AWF
AWF in non-orthogonal grid system
AWF for rough wall turbulent flow and heat transfer
AWF for permeable walls
AWF for high Prandtl number flows
AWF for high Schmidt number flows
Conclusions
Nomenclature Advanced Simulation Modeling Technologies SPH - a versatile multiphysics modeling tool Introduction
SPH Theory, Formulation, and Benchmarking
SPH theory and formulation
Benchmarking
Control of the Onset of Turbulence in MHD Fluid Flow
MHD flow control
MHD modeling
SPH analysis of magnetic conditions to restrain the transition to turbulence
SPH Numerical Modeling for Ballistic-Diffusive Heat Conduction
Transient heat conduction across thin films
SPH modeling
Boundary treatment
Results
Mesoscopic Pore-Scale SPH Model for Fluid Flow in Porous Media
Modeling strategy
Results and discussion
Concluding Remarks Evaluation of continuous and discrete phase models for simulating submicrometer aerosol transport and deposition Introduction
Models of Airflow and Submicrometer Particle Transport
Chemical species model for particle transport
Discrete phase model
Deposition factors
Numerical methods
Evaluation of Inertial Effects on Submicrometer Aerosols
An Effective Eulerian-Based Model for Simulating Submicrometer Aerosols
Evaluation of the DF-VC Model in an Idealized Airway Geometry
Evaluation of the DF-VC Model in Realistic Airways
Tracheobronchial region
Nasal cavity
Discussion Algorithm stabilization and acceleration in computational fluid dynamics: exploiting recursive properties of fixed point algorithms Introduction
Iterative Methods for Flow Equations
Discrete form of governing equations
Recursive property of iterative methods
Reduced Rank Extrapolation
Numerical Experiments
RRE acceleration of implicit density-based solver
RRE acceleration of explicit density-based solver
RRE acceleration of segregated pressure-based solver
RRE acceleration of coupled pressure-based solver.
Conclusion

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Computational fluid dynamics and heat transfer : emerging topics

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