ALADIN-2007-Oslo (Norway) April 2007
|
|
- Winfred Glenn
- 5 years ago
- Views:
Transcription
1 Improving the SURFEX/TEB scheme: 1 D validation in a street canyon R. Hamdi and V. Masson SURFEX coupled off line to ALADIN: preliminary results over Belgium R. Hamdi and A. Deckmyn ALADIN-2007-Oslo (Norway) April 2007
2 Improving the SURFEX/TEB scheme: 1 D validation in a street canyon R. Hamdi 1 and V. Masson 2 1. Royal Meteorological Institute, Brussels, Belgium. 2. CNRM, Météo France, Toulouse, France. ALADIN-2007-Oslo (Norway) April 2007
3 Plan Measurement site (BUBBLE) (Basel UrBan Boundary Layer Experiment) The TEB scheme Improving the parameterization Results and discussions Conclusion
4 Basel Sperrstrasse (U1) Tower height : Building height : % Roof : % Vegetation : Wall/plane area ratio : Canyon aspect ratio H/W : 32 m 14.6 m 54% 16% T, U, V, q, TKE, QH, QE A, B, C, D, E, F (Ultrasonic anemometer thermometer) 3.2 m et 31.5 m (Pyranometer, Pyrgeometer) Q*, K, K, L, L ALADIN 2007 Oslo (Norway) April (3/15)
5 Urban parameterization TEB (Masson 2000) * Ensemble of urban canyons * Surface temperatures resolved for each of the 3 urban surfaces roads, roofs and walls * Surface energy budget resolved for each urban surface * The averaged fluxes are calculated at the top of the canyon via the aerodynamic resistances Masson et al * Diagnostic temperature and wind inside the canyon ALADIN 2007 Oslo (Norway) April (4/15)
6 Improving the parameterization (1) 1. Surface scheme u T =... =... Tke q u T =... =... Forcing TEB TEB Tke q TEB TEB ALADIN 2007 Oslo (Norway) April (5/15) SURFEX layer
7 Improving the parameterization (2) 1. Momentum * Vertical surfaces (Walls): U TEB = C D S v / V air U 2 U wind speed, Sv ; Sh vertical (horizontal) surface area of the buildings, CD drag coefficient. * Horizontal surfaces (roads, roofs): 2. Turbulent kinetic energy Production of turbulence by walls: U Tke 3. Temperature TEB = U 2* S h / V air TEB =C D S v /V air U 3 * The heat turbulent fluxes Qh are calculated between roof/road/wall and the atmosphere. * This term is added at each atmospheric level in contact with the buildings. roof road wall Q Q Q T h h h TEB = S h /V air S v /V air 4. Mixing length C p C p Modification of the mixing length Lm in the presence of buildings according to (Macdonald, L m =H z H if 2000 ; Belcher et al. 2003): L m =H ALADIN 2007 Oslo (Norway) April (6/15) z H z top H [ L m top H ] if z H (H : mean buildings height)
8 1-D SURFEX configuration Forcing % ISBA = 16% % TEB = 84% SURFEX layer with % roof = 54% The period of the simulations from 16/06/2002 to 30/06/2002 Forcing is applied with 10 min time step to: wind Temperature Humidity downward global short and long wave radiation. ALADIN 2007 Oslo (Norway) April (7/15) Calculation point Two simulations: ''NEW'' with the prognostic version of SURFEX ''ORI'' with the diagnostic version of SURFEX.
9 Results: wind speed ALADIN 2007 Oslo (Norway) April (8/15)
10 Results: wind speed ALADIN 2007 Oslo (Norway) April (9/15)
11 Results: temperature ALADIN 2007 Oslo (Norway) April (10/15)
12 Results: momentum exchange 1 U *= w ' u ' 2 w ' v ' 2 4 ALADIN 2007 Oslo (Norway) April (11/15)
13 Results: turbulent exchange of heat ALADIN 2007 Oslo (Norway) April (12/15)
14 Results: turbulent kinetic energy ALADIN 2007 Oslo (Norway) April (13/15)
15 Results: energy balance at the top of the canyon ALADIN 2007 Oslo (Norway) April (14/15)
16 Conclusion Bias = New(Ori) Obs ; RMSE is the root mean square error. U(m.s 1) Level (m) T ( C) U* (m.s 1) QH (W.m 2) Obs New RMSE New RMSE Ori Ori Bias New Bias Ori ALADIN 2007 Oslo (Norway) April (15/15)
17 Perspectives * Validation over a long period (1 year) and for others urban sites. ISBA-canopy TEB-canopy SURFEX Diagnostic: * T2m, H2m * Wind 10 m ALADIN 2007 Oslo (Norway) April (15/15) Prognostic: * T2m, H2m * Wind 10 m
18 SURFEX coupled off line to ALADIN: preliminary results over Belgium ADAPTATION DOWNSCALING ERA40 FULLPOS 10 km resolution over Belgium ECOCLIMAP Atmospheric forcing at 50 m T, P, Hu, Wind, Precipitation, downward Radiation T2m, H2m wind10m ALADIN 2007 Oslo (Norway) April (1/2) SURFEX (off-line)
19 T2m SURFEX decreases the RMS error ALADIN 2m T are too low Anticyclonic situation with very weak wind ALADIN 2007 Oslo (Norway) April (2/2) The same result is found for winter 2001
Coupling SURFEX with ptke, TOUCANS, and TOM's
Coupling SURFEX with ptke, TOUCANS, and TOM's Rafiq Hamdi Royal Meteorological Institute of Belgium email: rafiq.hamdi@meteo.be Stay at the CHMI: 10-21 December 2012 Abstract: This note is about the coupling
More informationMass-flux parameterization in the shallow convection gray zone
Mass-flux parameterization in the shallow convection gray zone LACE stay report Toulouse Centre National de Recherche Meteorologique, 15. September 2014 26. September 2014 Scientific supervisor: Rachel
More informationPARAMETERIZATION OF DRAG FORCES IN URBAN CANOPY MODELS USING MICROSCALE-CFD MODELS FOR DIFFERENT WIND DIRECTIONS
PARAMETERIZATION OF DRAG FORCES IN URBAN CANOPY MODELS USING MICROSCALE-CFD MODELS FOR DIFFERENT WIND DIRECTIONS J. L. Santiago 1, O. Coceal 2 and A. Martilli 1 1 Atmospheric Pollution Division, Environmental
More informationOn the 2m temperature and dew point diagnostics in the COSMO model
Eidgenössisches Departement des Innern EDI Bundesamt für Meteorologie und Klimatologie MeteoSchweiz On the 2m temperature and dew point diagnostics in the COSMO model Matteo Buzzi and M.W. Rotach MeteoSwiss
More informationGEOMATICS SYNTHESIS PROJECT SYMPOSIUM
GEOMATICS SYNTHESIS PROJECT SYMPOSIUM Thursday 8 November, 2012 Oostserre, BKCity in association with GEOMATICS SYNTHESIS PROJECT SYMPOSIUM OVERVIEW 1. Introduction 2. Background 3. Site Description 4.
More informationVI Workshop Brasileiro de Micrometeorologia
Validation of a statistic algorithm applied to LES model Eduardo Bárbaro, Amauri Oliveira, Jacyra Soares November 2009 Index Objective 1 Objective 2 3 Vertical Profiles Flow properties 4 Objective 1 The
More informationLarge Eddy Simulation Applications to Meteorology
Large Eddy Simulation Applications to Meteorology Marcelo Chamecki Department of Meteorology The Pennsylvania State University Tutorial School on Fluid Dynamics: Topics in Turbulence May 27 th 2010, College
More informationAIRCITY: A VERY HIGH-RESOLUTION 3D ATMOSPHERIC MODELING SYSTEM FOR PARIS.
AIRCITY: A VERY HIGH-RESOLUTION 3D ATMOSPHERIC MODELING SYSTEM FOR PARIS. Jacques MOUSSAFIR, Christophe OLRY, Maxime NIBART, Armand ALBERGEL ARIA Technologies, Boulogne-Billancourt, France Patrick ARMAND,
More informationBoundary Layer Parameterization
Boundary Layer Parameterization Bob Plant With thanks to: R. Beare, S. Belcher, I. Boutle, O. Coceal, A. Grant, D. McNamara NWP Physics Lecture 3 Nanjing Summer School July 2014 Outline Motivation Some
More informationS. Di Sabatino 1, R. Buccolieri 1, P. Paradisi 2, L. Palatella 2, R. Corrado 1,2, E. Solazzo 3
A FAST MODEL FOR FLOW AND POLLUTANT DISPERSION AT THE NEIGHBOURHOOD SCALE S. Di Sabatino 1, R. Buccolieri 1, P. Paradisi, L. Palatella, R. Corrado 1,, E. Solazzo 3 1 Dipartimento di Scienza dei Materiali,
More informationImplementation of SURFEX in ARPEGE/ALADIN
Implementation of SURFEX in ARPEGE/ALADIN ( physical interface part ) Progress, current status and remaining issues Lukša Kraljević, Francois Bouyssel, Patrick Le Moigne, Piet Termonia, Rashyd Zaaboul
More informationAROME-SURFEX orographic parametrizations
AROME-SURFEX orographic parametrizations Laura Rontu with thanks to Alexandre Mary Clemens Wastl Yann Seity Matti Horttanainen Joint 28th ALADIN Workshop & HIRLAM All Staf Meeting 16-19 April 2018, Toulouse,
More informationProbing urban canopy dynamics using direct numerical simulations (DNS) O. Coceal1a, T.G. Thomas2 & S.E. Belcher1 1Department aemail: of Meteorology, University of Reading, UK, 2School of Engineering Sciences,
More informationScreen3 View. Contents. Page 1
Screen3 View Contents Introduction What is EPA's SCREEN3 Model? What is the Screen3 View Interface? Toollbar Buttons Preliminary Considerations Source Inputs Screen3 Options Running SCREEN3 Model Graphic
More informationBoundary conditions. 1 Introduction
7 Boundary conditions 1 Introduction To carry out an integration of the atmosphere equations, the model needs to know the values of a certain number of variables (named historical or prognostic) at time
More informationDownscaling and Parameterization. by Jun-Ichi Yano
Downscaling and Parameterization by Jun-Ichi Yano main references: J.-I. Yano, J.-L. Redelsperger, F. Guichard, and P. Bechtold, 2005: Mode Decomposition As a Methodology For Developing Convective-Scale
More informationRK-Time Integration and High-Order Spatial Discretization a New Dynamical Core for the LMK
RK-Time Integration and High-Order Spatial Discretization a New Dynamical Core for the LMK Jochen Förstner Deutscher Wetterdienst, Kaiserleistraße 35, 63067 Offenbach am Main jochen.foerstner@dwd.de COSMO
More informationEffects of Buildings Layout on the Flow and Pollutant Dispersion in Non-uniform Street Canyons ZHANG Yunwei, PhD candidate
Effects of Buildings Layout on the Flow and Pollutant Dispersion in Non-uniform Street Canyons ZHANG Yunwei, PhD candidate May 11, 2010, Xi an, Shannxi Province, China E_mail: zhangyunwe@gmail.com 1 Contents:
More informationGridded Data Speedwell Derived Gridded Products
Gridded Data Speedwell Derived Gridded Products Introduction Speedwell Weather offers access to a wide choice of gridded data series. These datasets are sourced from the originating agencies in their native
More informationSensitivity of resolved and parameterized surface drag to changes in resolution and parameterization
Sensitivity of resolved and parameterized surface drag to changes in resolution and parameterization Annelize van Niekerk Ted Shepherd With thanks to: Simon Vosper, Stuart Webster, Andy Elvidge, Irina
More informationMicrometeorology and Ecology
Monique Y. Leclerc Thomas Foken Footprints in Micrometeorology and Ecology With Contributions by M. J. Savage and M. Gockede 4^1 Springer 1 History and Definition 1 1.1 Micrometeorological Measurements
More informationHPC for Urban Microclimate Simulations in Singapore
HPC for Urban Microclimate Simulations in Singapore Lou Jing Institute of High Performance Computing Singapore UHI Singapore UHI study in 2004 showed the UHI intensity between CBD and "rural" area was
More informationCalculation Methods. IES Virtual Environment 6.4 CIBSE Heat Loss & Heat Gain (ApacheCalc)
Calculation Methods IES Virtual Environment 6.4 CIBSE Heat Loss & Heat Gain (ApacheCalc) Contents Calculation Methods...1 1 Introduction...3 2 Heat Loss...4 2.1 Heat Loss Methodology... 4 3 Heat Gain...5
More informationThermal Design Tool for Outdoor Space Based on a Numerical Simulation System Using 3D-CAD
September 2004 Page 1 of 6 Thermal Design Tool for Outdoor Space Based on a Numerical Simulation System Using 3D-CAD Takashi Asawa 1, Akira Hoyano 1 and Kazuaki Nakaohkubo 1 1 Tokyo Institute of Technology,
More informationTutorial 1. Introduction to Using FLUENT: Fluid Flow and Heat Transfer in a Mixing Elbow
Tutorial 1. Introduction to Using FLUENT: Fluid Flow and Heat Transfer in a Mixing Elbow Introduction This tutorial illustrates the setup and solution of the two-dimensional turbulent fluid flow and heat
More informationJunhong Wei Goethe University of Frankfurt. Other contributor: Prof. Dr. Ulrich Achatz, Dr. Gergely Bölöni
Efficient modelling of the gravity-wave interaction with unbalanced resolved flows: Pseudo-momentum-flux convergence vs direct approach Junhong Wei Goethe University of Frankfurt Other contributor: Prof.
More informationIntegration of Urban Microclimate Models using the QUIC EnvSim GPU Framework
Integration of Urban Microclimate Models using the QUIC EnvSim GPU Framework Peter Willemsen, Matthew Overby, Kevin Briggs, Brian N. Bailey, Daniel Alexander, Rob Stoll, Eric R. Pardyjak Department of
More informationSURFEX LDAS March 2012
SURFEX LDAS March 2012 Alina Barbu Combined assimilation of satellite-derived soil moisture and LAI 2 Motivation of our work GEOLAND 2 project Land Carbon Information Service (LCIS) on vegetation/land
More informationExpress Introductory Training in ANSYS Fluent Workshop 04 Fluid Flow Around the NACA0012 Airfoil
Express Introductory Training in ANSYS Fluent Workshop 04 Fluid Flow Around the NACA0012 Airfoil Dimitrios Sofialidis Technical Manager, SimTec Ltd. Mechanical Engineer, PhD PRACE Autumn School 2013 -
More informationContinued Investigation of Small-Scale Air-Sea Coupled Dynamics Using CBLAST Data
Continued Investigation of Small-Scale Air-Sea Coupled Dynamics Using CBLAST Data Dick K.P. Yue Center for Ocean Engineering Department of Mechanical Engineering Massachusetts Institute of Technology Cambridge,
More informationCOMPARISON OF SIMPLIFIED AND FULL CFD MODELLING OF ACCIDENTAL DISPERSION APPLICATION TO THE 2013 MICHELSTADT EXPERIMENTAL TRIALS
COMPARISON OF SIMPLIFIED AND FULL CFD MODELLING OF ACCIDENTAL DISPERSION APPLICATION TO THE 2013 MICHELSTADT EXPERIMENTAL TRIALS Christophe Duchenne 1, Patrick Armand 1, Adrien Napoly 2, Maya Milliez 3
More informationReport from stay in Ljubljana : 18th May - 12th June 2015
Report from stay in Ljubljana : 18th May - 12th June 2015 executed by: Ivan Bašták Ďurán supported by: Jure Cedilnik, Petra Smolíkova, Peter Smerkol, Neva Pristov, and Jure Jerman 17.6.2015 Contents 1
More informationADMS-Roads Extra Air Quality Management System Version 4.1
ADMS-Roads Extra Air Quality Management System Version 4.1 User Guide CERC Copyright Cambridge Environmental Research Consultants Limited, 2017 ADMS-Roads Extra An Air Quality Management System User Guide
More informationREFINED MISKAM SIMULATIONS OF THE MOCK URBAN SETTING TEST
EWTL Hamburg REFINED MISKAM SIMULATIONS OF THE MOCK URBAN SETTING TEST Márton Balczó M.Sc., corresponding author, assistant research fellow Department of Fluid Mechanics, Budapest University of Technology
More information1. INTRODUCTION 2. SIMPLIFIED CFD APPROACH
6.4 A SIMPLIFIED CFD APPROACH FOR MODELING URBAN DISPERSION Stevens T. Chan*, Tom D. Humphreys, and Robert L. Lee Lawrence Livermore National Laboratory Livermore, California 94551, USA 1. INTRODUCTION
More informationBottom friction estimation in the context of regional barotropic tide modelling
Bottom friction estimation in the context of regional barotropic tide modelling Martial Boutet1, Cyril Lathuilière1, Rémy Baraille2, Hong Son Hoang2, Yves Morel3 1 SHOM, Brest, France; 2SHOM, Toulouse,
More informationSOLWEIG1D. User Manual - Version 2015a. Date: Fredrik Lindberg Göteborg Urban Climate Group, University of Gothenburg
Göteborg Urban Climate Group Department of Earth Sciences University of Gothenburg SOLWEIG1D User Manual - Version 2015a Date: 2015 06 17 Fredrik Lindberg Göteborg Urban Climate Group, University of Gothenburg
More informationStochastic subgrid scale modeling
Stochastic subgrid scale modeling Daan Crommelin Centrum Wiskunde & Informatica, Amsterdam joint work with Eric Vanden-Eijnden, New York University NDNS+, 15 april 21 p. 1/24 The parameterization problem:
More informationParameterization of orographic effects on surface radiation in AROME
Parameterization of orographic effects on surface radiation in AROME Christoph Wittmann on behalf of Alexandre Mary, Laura Rontu, Yann Seity and Clemens Wastl partly financed by Content Motivation Method
More informationNew Features Winter-Release 2018/2019
New Features Winter-Release 2018/2019 1NEW GREEN FAÇADE MODULE Content Feature-List Winter-Release 2018/19 Page 4 5 2 INTRODUCTION OF FULL FORCING Page 6 7 ITS ALL ABOUT A GREEN FUTURE 3 INTRODUCTION OF
More informationComputational Fluid Dynamics PRODUCT SHEET
TM 2014 Computational Fluid Dynamics PRODUCT SHEET 1 Breaking Limitations The Challenge of Traditional CFD In the traditional mesh-based approach, the reliability highly depends on the quality of the mesh,
More information[mm]
. Parameter validation from comparison with tunnel experiment To ensure reasonable definition of parameters used in the numerical simulation, a number of error impact analysis were taken between the results
More informationAbout the SPEEDY model (from Miyoshi PhD Thesis):
SPEEDY EXPERIMENTS. About the SPEEDY model (from Miyoshi PhD Thesis): The SPEEDY model (Molteni 2003) is a recently developed atmospheric general circulation model (AGCM) with a spectral primitive-equation
More informationCFD wake modeling using a porous disc
CFD wake modeling using a porous disc Giorgio Crasto, Arne Reidar Gravdahl giorgio@windsim.com, arne@windsim.com WindSim AS Fjordgaten 5 N-325 Tønsberg Norway Tel. +47 33 38 8 Fax +47 33 38 8 8 http://www.windsim.com
More informationusrdef 1dsur spec: specifies the setup of boundary forcing for water column applications (1-D mode)
Chapter 17 Surface forcing and nesting This chapter discusses the setup of the surface forcing needed for the application of surface boundary conditions and the procedures for defining nesting. The following
More informationRobert E. Lawson, NOAA, ASMD David S. DeCroix, LANL, Group D-4 Robert L. Lee, LLNL
LA-UR-01-4131 Title: Comparison of Centerline Velocity Measurements Obtained Around 2D and 3D Building Arrays in a Wind Tunnel Author: Michael J. Brown, LANL, Group D-4 Robert E. Lawson, NOAA, ASMD David
More informationMiddle East Technical University Mechanical Engineering Department ME 413 Introduction to Finite Element Analysis Spring 2015 (Dr.
Middle East Technical University Mechanical Engineering Department ME 413 Introduction to Finite Element Analysis Spring 2015 (Dr. Sert) COMSOL 1 Tutorial 2 Problem Definition Hot combustion gases of a
More informationIntroducing NovAtel s New AdVance RTK
Introducing NovAtel s New AdVance RTK NovAtel Inc. ABSTRACT This white paper discusses the performance of NovAtel s new AdVance RTK engine. In this paper, AdVance RTK is compared to NovAtel s old processing
More informationMeasurements and CFD simulations of flow and dispersion in urban geometries. Valeria Garbero* and Pietro Salizzoni. Lionel Soulhac and Patrick Mejean
Int. J. Environment and Pollution, Vol. x, No. x, xxxx 1 Measurements and CFD simulations of flow and dispersion in urban geometries Valeria Garbero* and Pietro Salizzoni Dipartimento di Ingegneria Aeronautica
More informationharmonie-climate at smhi
harmonie-climate at smhi Experiences and status ALARO Working Days 2016 Petter Lind September 13, 2016 Rossby Centre, SMHI petter.lind@smhi.se harmonie-climate research at smhi Research group: The HARMONIE-Climate
More informationBrook90-simulations: Influence of pedotransfer functions and model user preferences
Brook9-simulations: Influence of pedotransfer functions and model user preferences Dr. Stefan Fleck Futmon Water Budget Model Comparison Workshop, 27./28. April, Freising Monte Rufeno simulations for Tampere
More informationIntroduction to ANSYS CFX
Workshop 03 Fluid flow around the NACA0012 Airfoil 16.0 Release Introduction to ANSYS CFX 2015 ANSYS, Inc. March 13, 2015 1 Release 16.0 Workshop Description: The flow simulated is an external aerodynamics
More informationIntroducing NovAtel s New AdVance RTK
Introducing NovAtel s New AdVance RTK NovAtel Inc. ABSTRACT This white paper discusses the performance of NovAtel s new AdVance RTK engine. In this paper, AdVance RTK is compared to NovAtel s old processing
More informationsolar energy. compared be able to with a low skyscrapers. buildings Solar The the room when the the sky, higher good view
EVALUATION OF A SIMPLIFIE ED MODEL FOR FAÇADE COLLECTORS Thibault Pflug 1, Paolo Di Lauro 1, Tilmann Kuhn 1, Christoph C Maurer 1 1 Fraunhofer Institute for Solarr Energy Systems ISE, Freiburg, Germany
More informationCOOL-COVERINGS. André Santos, The Netherlands Copyright Active Space Technologies
COOL-COVERINGS André Santos, The Netherlands 21-03-2012 Copyright Active Space Technologies 2004-2011 Young and competent company Started in 2007 in Germany, in 2004 in Portugal Role Support scientific
More informationTutorial: Hydrodynamics of Bubble Column Reactors
Tutorial: Introduction The purpose of this tutorial is to provide guidelines and recommendations for solving a gas-liquid bubble column problem using the multiphase mixture model, including advice on solver
More informationHydrologic modelling at a continuous permafrost site using MESH. S. Pohl, P. Marsh, and S. Endrizzi
Hydrologic modelling at a continuous permafrost site using MESH S. Pohl, P. Marsh, and S. Endrizzi Purpose of Study Test the latest version of MESH at a continuous permafrost site Model performance will
More informationExamining tree canopy models for CFD prediction of wind environment at pedestrian level
Journal of Wind Engineering and Industrial Aerodynamics 9 (8) 17 177 www.elsevier.com/locate/jweia Examining tree canopy models for CFD prediction of wind environment at pedestrian level Akashi Mochida
More informationA B C D E. Settings Choose height, H, free stream velocity, U, and fluid (dynamic viscosity and density ) so that: Reynolds number
Individual task Objective To derive the drag coefficient for a 2D object, defined as where D (N/m) is the aerodynamic drag force (per unit length in the third direction) acting on the object. The object
More informationGetting benefits from CFD. in the wind energy industry
Getting benefits from CFD in the wind energy industry Didier DELAUNAY - METEODYN www.meteodyn.com (In Turkey: www.ucyel.com.tr) Meteodyn software suite Meteodyn WT Meteodyn Forecast TopoWind UrbaWind SimulaWind
More informationUser s Guide The SimSphere Biosphere/Atmosphere Modeling Tool
User s Guide The SimSphere Biosphere/Atmosphere Modeling Tool User s Guide Revision 10/15/00 Contents Introduction 3 1. SimSphere Modeling Tool Overview 4 System Requirements 4 Your User Status 4 Main
More informationTurbulent Structure underneath Air-Sea Wavy Interface: Large-Eddy Simulation Mostafa Bakhoday Paskyabi
Turbulent Structure underneath Air-Sea Wavy Interface: Large-Eddy Simulation Mostafa Bakhoday Paskyabi Geophysical Institute, University of Bergen (Mostafa.Bakhoday@uib.no) Introduction Waves Planetary
More informationRegional Cooperation for Limited Area Modeling in Central Europe. Dynamics in LACE. Petra Smolíková thanks to many colleagues
Dynamics in LACE Petra Smolíková thanks to many colleagues Outline 1 1. VFE NH Design of vertical finite elements scheme for NH version of the model 2. SL scheme Application of ENO technique to SL interpolations
More informationA Parallelized Cartographic Modeling Language (CML)-Based Solution for Flux Footprint Modeling
A Parallelized Cartographic Modeling Language (CML)-Based Solution for Flux Footprint Modeling Michael E. Hodgson, April Hiscox, Shaowen Wang, Babak Behzad, Sara Flecher, Kiumars Soltani, Yan Liu and Anand
More informationDrivAer-Aerodynamic Investigations for a New Realistic Generic Car Model using ANSYS CFD
DrivAer-Aerodynamic Investigations for a New Realistic Generic Car Model using ANSYS CFD Thomas Frank (*), BenediktGerlicher (*), Juan Abanto (**) (*) ANSYS Germany, Otterfing, Germany (**) ANSYS Inc.,
More informationClouds in global models are variable
Clouds in global models are variable There s explicit variability within grid columns: Vertical structure ( overlap ) + fractional cloudiness = internally variable columns Let s take a look at how overlap
More informationValidation of the Safety Lagrangian Atmospheric Model (SLAM) against a wind tunnel experiment over an industrial complex area
Validation of the Safety Lagrangian Atmospheric Model (SLAM) against a wind tunnel experiment over an industrial complex area Florian Vendel 1, Lionel Soulhac 2, Patrick Méjean 2, Ludovic Donnat 3 and
More informationNUMERICAL ERROR QUANTIFICATION OF RANS MODELLING IN AN IDEALIZED CENTRAL EUROPEAN CITY CENTRE
NUMERICAL ERROR QUANTIFICATION OF RANS MODELLING IN AN IDEALIZED CENTRAL EUROPEAN CITY CENTRE Anikó Rákai 1, Jörg Franke 2 1 Department of Fluid Mechanics, Budapest University of Technology and Economics
More informationParameterizing Cloud Layers and their Microphysics
Parameterizing Cloud Layers and their Microphysics Vincent E. Larson Atmospheric Science Group, Dept. of Math Sciences University of Wisconsin --- Milwaukee I acknowledge my collaborators: Adam Smith,
More informationINTRODUCTION TO POLLUTANT DISPERSION IN URBAN STREET CANYONS MUHAMMAD NOOR AFIQ WITRI
INTRODUCTION TO POLLUTANT DISPERSION IN URBAN STREET CANYONS MUHAMMAD NOOR AFIQ WITRI 1 CONTENTS 1.Motivation 2.Introduction 3.Street canyon characteristics 4.Wind field models 5.Dispersion models 1.Future
More informationAchieving Good Natural Ventilation through the Use of High Performance Computer Simulations Singapore Case Studies
Achieving Good Natural Ventilation through the Use of High Performance Computer Simulations Singapore Case Studies Po Woei Ken (powk@bsd.com.sg) Building System & Diagnostics Pte Ltd Outlines 1. Importance
More informationCIBSE Application Manual AM11 Building Performance Modelling Chapter 6: Ventilation Modelling
Contents Background Ventilation modelling tool categories Simple tools and estimation techniques Analytical methods Zonal network methods Computational Fluid Dynamics (CFD) Semi-external spaces Summary
More informationDEPARTMENT OF FLUID DYNAMICS CFD SIMULATION OF FLOW OVER A MOCK URBAN SETTING USING OPENFOAM
DEPARTMENT OF FLUID DYNAMICS Budapest University of Technology and Economics CFD SIMULATION OF FLOW OVER A MOCK URBAN SETTING USING OPENFOAM Anikó Rákai Gergely Kristóf, Ph. D. 5th OpenFOAM Workshop Gothenburg
More informationEstimation of Flow Field & Drag for Aerofoil Wing
Estimation of Flow Field & Drag for Aerofoil Wing Mahantesh. HM 1, Prof. Anand. SN 2 P.G. Student, Dept. of Mechanical Engineering, East Point College of Engineering, Bangalore, Karnataka, India 1 Associate
More informationSimulation of Turbulent Flow over the Ahmed Body
Simulation of Turbulent Flow over the Ahmed Body 58:160 Intermediate Mechanics of Fluids CFD LAB 4 By Timur K. Dogan, Michael Conger, Maysam Mousaviraad, and Fred Stern IIHR-Hydroscience & Engineering
More informationInitial results from Phase 2 of the international urban energy balance model comparison
INTERNATIONAL JOURNAL OF CLIMATOLOGY Int. J. Climatol. (2010) Published online in Wiley Online Library (wileyonlinelibrary.com) DOI: 10.1002/joc.2227 Initial results from Phase 2 of the international urban
More informationCharacterisation of the interaction between a boundary layer and a cavity using Digital Particle Velocimetry with Optical Flow
Characterisation of the interaction between a boundary layer and a cavity using Digital Particle Velocimetry with Optical Flow G. Quénot*, A. Rambert**, P. Gougat**, T. Kowalevski*** *CLIPS-IMAG, Grenoble,
More informationMeteorology Research and Development
Meteorology Research and Development A review of urban roughness sublayer turbulence Technical Report No. 527 Janet F. Barlow and Omduth Coceal email: nwp_publications@metoffice.gov.uk A review of urban
More informationCoastal impact of a tsunami Review of numerical models
Coastal impact of a tsunami Review of numerical models Richard Marcer 2 Content Physics to simulate Different approaches of modelling 2D depth average Full 3D Navier-Stokes 3D model Key point : free surface
More informationComparison of wind measurements between virtual tower and VAD methods with different elevation angles
P32 Xiaoying Liu et al. Comparison of wind measurements between virtual tower and AD methods with different elevation angles Xiaoying Liu 1, Songhua Wu 1,2*, Hongwei Zhang 1, Qichao Wang 1, Xiaochun Zhai
More informationInternational Power, Electronics and Materials Engineering Conference (IPEMEC 2015)
International Power, Electronics and Materials Engineering Conference (IPEMEC 2015) Numerical Simulation of the Influence of Intake Grille Shape on the Aerodynamic Performance of a Passenger Car Longwei
More informationAir pollution lagrangian modelling over complex topography. Gianluca Antonacci, CISMA srl Bolzano, 2005,
Air pollution lagrangian modelling over complex topography Gianluca Antonacci, CISMA srl Bolzano, 2005, http://www.cisma.bz.it Questo documento è rilasciato sotto licenza Creative Commons Attribuzione
More informationStatus of TERRA_URB implementation into the COSMO-model. Ulrich Blahak (DWD)
Status of TERRA_URB implementation into the COSMO-model Ulrich Blahak (DWD) 1 The 2014 workshop in Offenbach Goal: develop a roadmap for implementation of the simple urban parameterization TERRA_URB (Wouters
More informationEnergy Efficient Data Center Design. Can Ozcan Ozen Engineering Emre Türköz Ozen Engineering
Energy Efficient Data Center Design Can Ozcan Ozen Engineering Emre Türköz Ozen Engineering 1 Bio Can Ozcan received his Master of Science in Mechanical Engineering from Bogazici University of Turkey in
More informationEugene Yee Defence R&D Canada Suffield P.O. Box 4000, STN MAIN Medicine Hat, Alberta, T1A 8K6 CANADA
A d van c e d Int e g r at i ve Mu l t i s c al e Mo d e l i n g S ys t e m fo r C o u nt e r i n g t h e Th r e at o f C B RN Te r r o r i s m Eugene Yee Defence R&D Canada Suffield P.O. Box 4000, STN
More information17TH INTERNATIONAL CONFERENCE ON Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes 9-12 May 2016, Budapest, Hungary
17TH INTERNATIONAL CONFERENCE ON Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes 9-12 May 2016, Budapest, Hungary INTEGRATED URBAN AIR POLLUTION DISPERSION MODELLING FRAMEWORK
More informationGlobal Soil Wetness Project Phase 3 Atmospheric Boundary Conditions (Experiment
Global Soil Wetness Project Phase 3 Atmospheric Boundary Conditions (Experiment 1) 1. IDENTIFICATION INFORMATION Edition Version 1 Abbreviation DOI Metadata Identifier 2. CONTACT Global Soil Wetness Project
More informationTHE APPLICATION OF AN ATMOSPHERIC BOUNDARY LAYER TO EVALUATE TRUCK AERODYNAMICS IN CFD
THE APPLICATION OF AN ATMOSPHERIC BOUNDARY LAYER TO EVALUATE TRUCK AERODYNAMICS IN CFD A SOLUTION FOR A REAL-WORLD ENGINEERING PROBLEM Ir. Niek van Dijk DAF Trucks N.V. CONTENTS Scope & Background Theory:
More informationTransition Flow and Aeroacoustic Analysis of NACA0018 Satish Kumar B, Fred Mendonç a, Ghuiyeon Kim, Hogeon Kim
Transition Flow and Aeroacoustic Analysis of NACA0018 Satish Kumar B, Fred Mendonç a, Ghuiyeon Kim, Hogeon Kim Transition Flow and Aeroacoustic Analysis of NACA0018 Satish Kumar B, Fred Mendonç a, Ghuiyeon
More informationGLOBAL SOLUTIONS IN ENGINEERING. Power Performance Testing
GLOBAL SOLUTIONS IN ENGINEERING Power Performance Testing Buildings Municipal Infrastructure Transportation Industrial Energy Environment 2 Why Power Perfomance Testing? Identification of turbine performance
More informationA Computational Study on the Influence of Urban Morphology on Wind-Induced Outdoor Ventilation
International Environmental Modelling and Software Society (iemss) 2012 International Congress on Environmental Modelling and Software Managing Resources of a Limited Planet, Sixth Biennial Meeting, Leipzig,
More information~ Materiel Test Procedure
~ Materiel Test Procedure 4-3-108 U. S. Army Artillery Board U. S. ARMY TEST AND EVALUATION COMMAND COMMODITY SERVICE TEST PROCEDURE PROJECTILE AND CA1TRIDGES, SMOKE 1. OBJECTIVE to This MTP describes
More informationApplications of ICFD solver by LS-DYNA in Automotive Fields to Solve Fluid-Solid-Interaction (FSI) Problems
Applications of ICFD solver by LS-DYNA in Automotive Fields to Solve Fluid-Solid-Interaction (FSI) Problems George Wang(1 ), Facundo del Pin(2), Inaki Caldichoury (2), Prince Rodriguez(3), Jason Tippie
More informationDRAFT. ATMET Technical Note. Common Customizations for RAMS v6.0. Number 2. Prepared by: ATMET, LLC PO Box Boulder, Colorado
DRAFT ATMET Technical Note Number 2 Common Customizations for RAMS v60 Prepared by: ATMET, LLC PO Box 19195 Boulder, Colorado 80308-2195 October 2006 Table of Contents 1 Adding Array Space to the Model
More informationDevelopment of support tool for outdoor thermal environmental design of urban/ building using numerical analysis
Development of support tool for outdoor thermal environmental design of urban/ building using numerical analysis Kazuaki Nakaohkubo 1, Akira Hoyano 1, and Takashi Asawa 2 1 Interdisciplinary Graduate School
More informationRecent Developments WIND KNOWLEDGE. WindSim 12 th User Meeting, Tønsberg June PRESENTED BY: Dr. Catherine Meissner IS WIND POWER
IS WIND POWER WIND KNOWLEDGE Recent Developments WindSim 12 th User Meeting, Tønsberg 22-23 June 2017 PRESENTED BY: Dr. Catherine Meissner WindSim 12th User Meeting, Tønsberg 22-23 June 2017 1 Content
More informationA SIMPLE METHOD OF DETERMINING THE INFLUENCE OF THE OVERHANG ON WINDOW SOLAR GAINS
Eleventh International IBPSA Conference Glasgow, Scotland July 27-30, 2009 A SIMPLE METHOD OF DETERMINING THE INFLUENCE OF THE OVERHANG ON WINDOW SOLAR GAINS Dominik Włodarczyk 1, Henryk Nowak 1 1 Division
More informationPreliminary Spray Cooling Simulations Using a Full-Cone Water Spray
39th Dayton-Cincinnati Aerospace Sciences Symposium Preliminary Spray Cooling Simulations Using a Full-Cone Water Spray Murat Dinc Prof. Donald D. Gray (advisor), Prof. John M. Kuhlman, Nicholas L. Hillen,
More informationFlow Structures Extracted from Visualization Images: Vector Fields and Topology
Flow Structures Extracted from Visualization Images: Vector Fields and Topology Tianshu Liu Department of Mechanical & Aerospace Engineering Western Michigan University, Kalamazoo, MI 49008, USA We live
More informationNumerical Simulation of Heat Transfer by Natural Convection in Horizontal Finned Channels
Numerical Simulation of Heat Transfer by Natural Convection in Horizontal Finned Channels Gabriel Gonçalves da Silva Ferreira, Luiz Fernando Lopes Rodrigues Silva Escola de Química, UFRJ Paulo L. C. Lage
More information