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Session Overview
Session
WS25: Non-conventional/traditional numerical methods for indoor and outdoor airflow modelling
Time:
Wednesday, 15/June/2022:
1:30pm - 3:00pm

Session Chair: Amirul Islam Khan
Session Chair: Twan van Hooff
Location: CA101


Session Abstract

BACKGROUND

The use of computational fluid dynamics (CFD) for indoor and outdoor airflows and related heat and mass transport in the built environment has increased tremendously in the last decades. Despite the increase of computational power, there is a need for faster and more efficient numerical methods than the conventional CFD method, especially for cases with highly transient flow features which would otherwise require the use of the computationally demanding large-eddy simulation (LES) approach. Besides, the accuracy of conventional CFD methods can be limited in some instances and efforts are needed to increase this accuracy efficiently.


AIMS AND SCOPE

The aim of the workshop is to present an overview, the progress, and the advantages and disadvantages of four different non-conventional/traditional numerical approaches to predict airflows, heat and mass transfer in the built environment, namely: (1) fast fluid dynamics (FFD); (2) lattice Boltzmann method (LBM); (3) CFD with data assimilation (CFDA); (4) voxel-based CFD. The presentations will be followed by a discussion on future directions for both academia and practice.


PRESENTATIONS

GPU-based Lattice Boltzmann Method (LBM) for interactive indoor and outdoor flow prediction

Amirul Khan, University of Leeds, Leeds, UK, chair


Prediction of transient particle transport in indoor airflow by integrated fast fluid dynamics (FFD) and Markov chain mode

Wei Liu, KTH Royal Institute of Technology, Sweden, Co-author


Data Assimilated CFD for indoor air quality forecasting: Possibilities and future

Naveed Salman University of Leeds, UK


Voxel based CFD: comparison with conventional CFD for indoor airflows

Eugene Mamulova Eindhoven University of Technology, the Netherland

 


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Presentations
ID: 683
Workshops
Topics: 3. Thermal comfort, 11a. Building simulation and modelling - Air distribution, 11b. Building simulation and modelling - Interaction of structures and IEQ
Keywords: Computational Fluid Dynamics, Lattice Boltzmann Method, Fast Fluid Dynamics

Non-conventional/traditional numerical methods for indoor and outdoor airflow modelling

Chair(s): Amirul Islam Khan (University of Leeds, United Kingdom), Twan van Hooff (Eindhoven University of Technology Department: Built Environment, Netherlands)

Presenter(s): Amirul Khan (University of Leeds, United Kingdom), Wei Liu (KTH Royal Institute of Technology, Sweden), Naveed Salman (University of Leeds, United Kingdom), Eugene Mamulova (Eindhoven University of Technology, Netherlands)



 
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