Multiphase CFD Modelling: State-of-the-art applications and challenges

Name: Multiphase CFD Modelling: State-of-the-art applications and challenges
Start: 2016-05-19T08:30:00
Location: Institution of Mechanical Engineers

Institution of Mechanical Engineers, London

19 May 2016
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Increase your knowledge of state-of-the-art multiphase CFD modelling
Networking opportunities with practitioners in the field
Interdisciplinary exchange on challenges faced in different fields
A greater awareness of recent developments, current trends, capabilities and limitations for models

Overview

This one-day event will provide a crucial opportunity to hear how engineers can support the advancement of computational fluid dynamics (CFD) for multi-phase flows.

The models dealing with multiphase flows are continuously evolving and the complexity of tackled problems has notably increased of late.

Join us to reflect on-going progress and developments in multiphase flow modelling, allowing you to remain up-to-date with current trends and the state-of-the-art technologies.

KEY TOPICS:

Modelling and stimulation of multi-component compressible flows
Multiphase CFD modelling for safety and performance engineering
Implementation of flocculation and break up models in CFD for particulate systems
Challenges of multiphase flow modelling in gas turbine engines
Multiphase flow modelling with the Lattice Boltzmann method: an alternative CFD approach

WHO SHOULD ATTEND?

Principal engineers
Design engineers
Research engineers
Consultants
Innovators
Software designers
Academics
University research leads
Students

Day 1

08:30 - THURSDAY 19 MAY 2016

08:30 REGISTRATION AND REFRESHMENTS

09:00 CHAIR’S OPENING REMARKS
Carola König, Institute of Environment, Health and Societies and College of Engineering,
Design and Physical Sciences, Brunel University London

Keynote
09:10 Modelling and simulation of multi-component compressible flows
Dimitris Drikakis, Executive Dean, Faculty of Engineering; Professor of Engineering Science, University of Strathclyde
•Implicit Large Eddy Simulation (ILES) of compressible turbulent mixing
•Engineering turbulence models for multi-component flows
•High-order CFD methods
•Hybrid compressible-incompressible methods

09:40 Multiphase CFD modelling for safety and performance engineering
Marco Buonfiglioli, Principal Engineer, Fluid Mechanics, Atkins Global
•Safety: Behaviour of cryogenic spills on FLNG process facilities, including liquid spray, VOF, liquid film and conjugate heat transfer to structures
•Performance: Prediction of design behaviour for waste water vortex drops, including comparison to experimental data
•Performance: Prediction of erosion, heat transfer and multiphase flow slugging in upstream oil and gas equipment

10:10 Towards accurate prediction of gas-liquid two-phase flows
Alan Burns, Associate Professor, School of Chemical and process Engineering, Leeds
University and Senior Developer, ANSYS UK
•Development and experimental validation of models for gas-liquid flows: A collaboration with ANSYS Germany and the Helmholz Zentrum Dresden Rossendorf (HZDR)

10:40 Questions and answers

11:00 Networking Refreshment Break

Case Study
11:30 OpenFOAM and industry
Gavin Tabor, Associate Professor of CFD/Director of Education (Engineering) CEMPS, University of Exeter
•Introducing OpenFOAM as a flexible and cost-effective solution to CFD requirements
•Demonstrating how the code has been used in conjunction with an SME in sustainable urban drainage to develop new products
•Current work on reacting flow, particle separation and optimisation through the Adjoint Method

12:00 Implementation of flocculation and break up models in CFD for particulate systems
Darrell Egarr, Senior Engineer, MMI Engineering
•Development and validation of OpenFOAM for solving the transport of multiple particle size groups using an algebraic slip formulation
•Motivation of the development with respect to applications in the nuclear and water industry
•Implementation of flocculation and breakup models with results presented from test cases applicable to the water industry

12:30 Question and Answer Session

12:50 NETWORKING LUNCH

13:50 Large Eddy Simulation of spray fuelled flames
William Jones, Department of Mechanical Engineering, Imperial College London
•Droplet dispersion
•Droplet evaporation
•Secondary droplet breakup

14:20 Challenges of multiphase flow modelling in gas turbine engines
Helen Brocklehurst, Chief of Computational Fluid Dynamics, Rolls Royce
•Introducing the range of different multiphase phenomena encountered in gas turbine engines, including hail ingestion, ice accretion, fuel injection, atomisation and oil in bearing chambers
•Modelling approaches adopted to predict these environments
•Examples of multiphase CFD predictions for engine design

14:50 Modelling Liquid Fuel Cascades with OpenFOAM
Jennifer Wen, Professor of Engineering, University of Warwick
•Evaporating fuel cascades resulting from tanks overfilling or rupture of elevated pipes creating a source of flammable vapour cloud
•Development of a modelling approach within the frame of the open source CFD toolbox OpenFOAM giving consideration to vapour production
•Comparison with the experimental measurements conducted by the Health and Safety Laboratory (HSL)

15:20 Question and Answer Session

15:40 NETWORKING REFRESHMENT BREAK

16:10 World of multiphase flows at ultra-high resolution: phase change applications and stratified flows
Prashant Valluri, Deputy Head of Grad School, IMP, School of Engineering, University of Edinburgh
•State-of-the-art indirect numerical simulations of two phase flows
•Advanced theoretical analysis such as linear/non-linear stability analysis
•Advanced high-resolution experiments: Informing the modelling as well as validation

16:40 Multiphase flow modelling with the Lattice Boltzmann method (LBM): an alternative CFD approach
Mark Wilson, School of Mechanical Engineering, University of Leeds
•Key concepts and key benefits
•Multiphase flow models
•Solid/liquid/fluid systems: Modelling wetting and contact line dynamics
•Example applications: Fuel/water separation; printing and droplet interactions with complex surfaces

17:10 INDUSTRIAL MULTIPHASE FLOW SIMULATION USING THE LATTICE BOLTZMANN METHOD (LBM)
Daniel Lycett-Brown and Nicolas Delbosc, Senior CFD Research and Development Engineer, XFlow, NextLimit Dynamics
•LBM models for multiphase flow
•Examples of industrial applications
•LBM on Graphics Processing Unit: The road towards real-time fluid simulation

17:40 Question and Answer Session

18:00 CHAIR’S CLOSING REMARKS

18:10 END OF SEMINAR

Prof. Dimitris Drikakis: Executive Dean, Faculty of Engineering, Professor of Engineering Science, , University of Strathclyde

Dimitris Drikakis is the Executive Dean of the Faculty of Engineering and Professor of Engineering Science at the University of Strathclyde, Glasgow. He was previously Head of the Institute of Aerospace Sciences at Cranfield University. Professor Drikakis held positions at Queen Mary University of London, the University of Manchester and the University of Erlangen-Nuremberg, Germany. His expertise is in fluid mechanics, computational fluid dynamics (CFD) and nanotechnology (fluid/material interface). He has received twice (2008 and 2011) the William Penney Fellowship Award by AWE Plc in recognition of his contributions to compressible fluid dynamics. Prof Drikakis also received the 2014 Innovator of the Year Award by the Innovation Institute for a new generation carbon capture technology.

Dr Carola König: Institute of Environment, Health and Societies and College of Engineering, Design and Physical Sciences, , Brunel University London

Carola König is a Research Fellow at the Institute of Environment, Health and Societies and an Associate Lecturer in the College of Engineering, Design and Physical Sciences, both at Brunel University London. She obtained the degree of Dipl-Ing in Mechanical Engineering from the University of Stuttgart, Germany in 1992 and a PhD from Brunel University in 1998. Her expertise is in Computational Fluid Mechanics involving fluid flow with and without heat transfer within a variety of multi-disciplinary environments (e.g. engineering interface with biology, medicine, chemistry, arts). She is a Member of the Institution of Mechanical Engineers and is currently Co-Chair of the Institution’s Thermofluids Group. She is also the Scientific Secretary of the Micro and Nano Flows Conference series and a Fellow of the Institute of the Higher Education Academy.

Marco Buonfiglioli: Principal Engineer, Fluid Mechanics,, Atkins Global

Marco Buonfiglioli is the Head of Fluid Mechanics at Atkins, managing a team specialised in fluid dynamics and heat transfer modelling. Marco has 15 years’ experience as technical lead and project manager in the field of fluid mechanics applied to a wide variety of problems. He has managed and undertaken projects in ventilation, spray and combustion, free surface flows and heat transfer in sectors as diverse as process, oil and gas, nuclear and automotive. He is an experienced user of computational fluid dynamics (CFD) software and has experience in using and writing 1D gas dynamics software.

Dr Alan Burns: Associate Professor, School of Chemical and process Engineering, Leeds University and Senior Developer,, Ansys UK

Alan Burns started his working career at the UKAEA Harwell Laboratory in 1984, where he made the first steps in developing the commercial CFD codes CFX-4 and CFX-5 which were owned by AEA Technology. Since their acquirement by ANSYS Ltd they have evolved into the current commercial CFD code, ANSYS CFX. During this period, he has acted as a consultant to AEA Technology and to ANSYS, taking a leading role in the early design and development of ANSYS CFX, and most recently in the development of numerical algorithms and models for multi-phase flows. Since October 2014, he has been an Associate Professor of CFD in the School of Chemical and Process Engineering at Leeds University. His current research interests include applications of Computational Multiphase Flow in Geophysical Fluid Dynamics, and in various areas of Sustainable Energy such as Nuclear Power, Biofuels, Solar Power and Wind Energy.

Dr Darrell Egarr: Senior Engineer, MMI Engineering

Darrell Egarr joined MMI Engineering as a Project Engineer in the company’s Bristol office in January 2006 after completing a PhD at Cardiff University. Dr Egarr was elected a full member of the Institute of Mechanical Engineers and a Chartered Engineer in 2009 and was promoted to Senior Engineer in 2011. Dr Egarr has worked for customers in the Water, Nuclear, Aerospace and Defence industry sectors and has specialised in the field of Computational Fluid Dynamics.

Prof William P Jones: Imperial College London, Department of Mechanical Engineering

William Jones is Professor of Combustion in the Department of Mechanical Engineering at Imperial College London. He completed his Ph.D. in Imperial College and successively became an Alexander von Humboldt Research Fellow in the Technische Hochschule, Aachen, a section leader in the Combustion Department of Rolls-Royce Ltd and, from 1977, a member of the teaching faculty of Imperial College. Bill has been active in Combustion and Turbulence Research for many years and has published extensively in the fields of turbulence, combustion modelling and CFD. The current activities of Bill and co-workers include Combustion Large Eddy Simulation (LES), the development of PDF transport equation methods for turbulent combustion, the development of CFD tools for practical combustion systems and the modelling of turbulence. He is an active participant in two UK EPSRC consortia, UKTC “Turbulence Consortium” and UKCTRF “Consortia for Turbulent Reacting Flows”.

Professor Jennifer Wen: Professor of Engineering, University of Warwick

Jennifer Wen established and currently leads Warwick Fire, a multidisciplinary research laboratory for both fundamental and applied research related to fire and explosions as well as accidental releases of hazardous materials. As Principal Investigator, Jennifer is managing and leading a grant portfolio of over £3M. The work presented here is supported through a €1.77M Innovative Doctoral Training Programme funded by the European Commission. Previously, Jennifer held a number of positions with CD-ADAPCO, British Gas, South Bank and Kingston University London. She sits on the Steering Committee Member of various professional bodies. Organising/scientific committee member, session chairs of numerous international conferences.

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