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Sunday, February 16, 2020 | History

2 edition of Theory and Numerical Modeling of Turbulent Gas-Particle Flows and Combustion found in the catalog.

Theory and Numerical Modeling of Turbulent Gas-Particle Flows and Combustion

Zhou Lixing

Theory and Numerical Modeling of Turbulent Gas-Particle Flows and Combustion

  • 328 Want to read
  • 32 Currently reading

Published by CRC .
Written in English

    Subjects:
  • Mathematical modelling,
  • Physical chemistry,
  • Science / Physics,
  • Engineering Mathematics,
  • Turbulence,
  • Combustion,
  • Laminar flow,
  • Mathematical models,
  • Science/Mathematics

  • The Physical Object
    FormatHardcover
    Number of Pages248
    ID Numbers
    Open LibraryOL11560312M
    ISBN 100849377218
    ISBN 109780849377211

    A comprehensive understanding of all the competing and interacting mechanisms is required to arrive at better designs and improved processes. A detailed history of the development of this field over the last decades is presented along with extensive references for the interested reader to explore the literature in greater depth. The scope of the papers ranges from the scholarly to the practical. Subramaniam, Drag law for monodisperse gas-solid systems using particle-resolved direct numerical simulation of flow past fixed assemblies of spheres, International Journal of Multiphase Flow, Nov. Additional details about this method along with examples are provided in this chapter. Garg, C.

    Since collisions do not dominate in the extremely dilute regime, this assumption leads to erroneous predictions of the particle phase flow patterns and the models cannot capture phenomena like particle trajectory crossing for finite Stokes numbers. Specifically, it covers diffusional mass transfer, turbulent dispersion, and convective heat transfer between the different phases and, also, at the boundaries. Vidyapati, Langroudi, M. A criterion was developed for predicting the flow reversal which results in deposition of water droplets on the duct wall Table 3. This is achieved by introducing the general notion of a kinetic equation to obtain macroscopic balance equations for the fields.

    The main distinction with traditional Eulerian-Lagrangian methods is that the interactions between the particles are calculated on the Eulerian grid. Fundamentals of Turbulent Combustion Fundamentals of Turbulent Combustion This online course describes the fundamental elements required to understand modern tools for combustion simulation. Experts and young researchers present the state-of-the-art results, report on the latest developments and exchange ideas in the areas of experiments, modelling and simulation of reactive multiphase flows. This chapter details the role of advanced modeling using CFD as one tool for improving this understanding and focuses on the application of CFD to fluidized beds containing fine Geldart A powders.


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Theory and Numerical Modeling of Turbulent Gas-Particle Flows and Combustion by Zhou Lixing Download PDF Ebook

The main distinction with traditional Theory and Numerical Modeling of Turbulent Gas-Particle Flows and Combustion book methods is that the interactions between the particles are calculated on the Eulerian grid. The book also illustrates the applications of these computational tools to general gas-solids flows with a focus on energy conversion processes.

Knowledge of the dominant phenomena and their interactions allows development of predictive models and their use in combustor and gas turbine design. Computational Fluid Dynamics CFD is widely used in engineering analysis; this is the only book dedicated to CFD modeling analysis in fire and combustion engineering Strong pedagogic features mean this book can be used as a text for graduate level mechanical, civil, structural and fire engineering courses, while its coverage of the latest techniques and industry standard software make it an important reference for researchers and professional engineers in the mechanical and structural sectors, and by fire engineers, safety consultants and regulators Strong author team CUHK is a recognized centre of excellence in fire eng deliver an expert package for students and professionals, showing both theory and applications.

Section two consists of four chapters and they cover various methods to solve the theoretical descriptions provided in the first section.

Interfacial Interactions: Drag Wei Ge, Ning Yang, Wei Wang and Jinghai Li The drag interaction between gas and solids not only acts as a driving force for solids in gas-solids flows but also plays as a major role in the dissipation of the energy due to drag losses.

The MP-PIC is a derivative of the Particle-in-Cell PIC method for multiphase flows and the method employs a fixed Eulerian grid, and Lagrangian parcels are used to transport mass, momentum, and energy through this grid in a way that preserves the identities of the different materials associated with the particles.

The previous three chapters have primarily focused on the hydrodynamics of gas-solids flows, However, in addition, accurate models for heat and mass transfer must be constructed to allow predictive simulations of reacting gas-solids flows. Interfacial Interactions: Drag Wei Ge, Ning Yang, Wei Wang and Jinghai Li The drag interaction between gas and solids not only acts as a driving force for solids in gas-solids flows but also plays as a major role in the dissipation of the energy due to drag losses.

Wang, S.

Publications

Sundararajan, K. Experts and young researchers present the state-of-the-art results, report on the latest developments and exchange ideas in the areas of experiments, modelling and simulation of reactive multiphase flows. Hydrodynamic Equations from Kinetic Theory: Fundamental Considerations James Dufty and Aparna Baskaran This chapter provides a theoretical description for the dynamics of the granular phase only, with emphasis on the derivation of the macroscopic hydrodynamic fields for the granular phase species densities, flow velocity, and the granular temperature for a prescribed microscopic interaction among the grains.

Pai and Shankar Subramaniam, Two-way coupled stochastic model for dispersion of inertial particles in turbulence. Such experiments have been performed with many different particle systems to demonstrate the viability of the procedure and the model itself.

During the fourth year the spray cocurrent flow interaction data was analyzed. This chapter also details the significant improvements made over the last two decades in the computational fluid dynamics CFD modeling that have made it possible to simulate large-scale, commercial CFBs.

This chapter describes the fact that volcanic explosive phenomenology is poorly understood in terms of Theory and Numerical Modeling of Turbulent Gas-Particle Flows and Combustion book fundamental physical processes as it is difficult to collect data Theory and Numerical Modeling of Turbulent Gas-Particle Flows and Combustion book of the inherent uncertainties about the location and occurrence of volcanic eruptions and any placement of measurement devices.

Moreover, the spatial and temporal scales may vary over many orders of magnitude. Specifically, it presents the multiphase continuum formulation for gas-solids flows along with the theory for closure relations for granular stresses, heat and mass transfer correlations, models for chemical reactions, as well as numerical algorithms appropriate for of high-performance computing.

This leads to enormous complexities as these drag terms are highly non-linear and multiscale in nature because of the variations in solids spatio-temporal distribution. This can be used to formulate better constitutive equations for continuum models. Conference Loezos, Peter N. Finally provides an illustrative example explores the effects of exercising the different model and simulation options.

Subramaniam and S. This makes the availability of a robust solution method extremely desirable. Karimipour and Z.Computational Gas-Solids Flows and Reacting Systems: Theory, Methods and Practice addresses the need for a comprehensive book on computational gas-solids flow to aid researchers, graduate students, and practicing engineers in this rapidly expanding area.

This unique book provides a full exploration of the theory, numerical methods, and. Modelling of turbulent gas-particle flow Tobias Str¨omgren Linn´e Flow Centre, Dept.

of Mechanics, Royal Institute of Technology SE 44 Stockholm, Sweden Abstract An Eulerian-Eulerian model for dilute gas-particle turbulent flows is de-veloped for engineering applications.

The aim is to understand the effect of particles on turbulent. G. M. Pai and S. Subramaniam, Modeling Interphase Turbulent Kinetic Energy Transfer In Lagrangian-Eulerian Spray Computations, Atomization and Sprays, 16 (7): () Y. Xu and S. Subramaniam, A Multiscale Model for Dilute Turbulent Gas–particle Flows based on the Equilibration of Energy Concept, Physics of Fluids, 18 (3.Read pdf of multiphase flow online, read in mobile or Kindle.

Modeling of Dispersed Multiphase Turbulent Reacting Flows gives a systematic account of the fundamentals of multiphase flows, turbulent flows and combustion theory.

It presents the latest advances of models and theories in the field of dispersed multiphase turbulent.of this fundamental understanding together into one book and to present a unifying approach to the fundamental ideas of multiphase flows.

Conse- Modeling with the combined phase equations 50 Mass, force and energy interaction terms 51 SPRAY COMBUSTION 13 GRANULAR FLOWS INTRODUCTION PARTICLE.Feb 02,  · Imp cfd books 1. Introductory Ebook. Abbot, M. B. and Basco, D. R."Computational Fluid Dynamics: An Introduction for Engineers", JohnWiley & Sons,