Proceedings of IWAIS 2009 - Andermatt, Switzerland

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Session 1 - Open Session

• COST – a flexible research networking tool
  Author: Dr. Eva M. Klaper
• Meteorological measurements under icing conditions: challenge and results in MeteoSwiss
  Author: Calpini Bertrand
• The Wind Energy Research Program in Switzerland
  Author: Dr. Katja Maus
• Research and development in meteorology: an optimal field for Public Private Partnership
  Author: Kunz Stefan

Session 2 -  Icing on Powerlines

• Overview of Atmospheric Icing of Power Networks: State of our Knowledge and Future Challenges
  Author: Farzaneh Masoud
• Ice accumulation at measuring site Hallormsstadahals
  Author: Á.J Eliasson, Pétur Þ Gunnlaugsson  and Egill Thorsteins
• Survey and Analysis of Ice Accidents of Early 2008 in Southern China
  Author: Xingliang Jiang, Jie Zhao, Bing Luo, Jiwu Zhang and Chunde Huang
• A Numerical Model for Atmospheric Icing of Conductor Bundles
  Author: Dipl.-Ing Tobias Wagner and Prof. Dr.-Ing. Udo Peil
• A New On-line Monitoring System of Transmission Line Icing and Snowing
  Author: Prof. HUANG Xinbo
• Modern techniques of ice-load assessment and icing maps creation for the design of overhead transmission lines used in the Russian Federation
  Author: Vladimir LUGOVOI, Sergey CHERESHNIUK, Larisa TIMASHOVA
• Theoretical Studies and Quantification of Ice Adhesion Mechanisms
  Author: Z.Ghalmi, R. Menini and M. Farzaneh
• Modeling Wet-Snow Shedding from Current-Carrying Conductors
  Author: Ossama Olqma, László E. Kollár, Masoud Farzaneh, Laure Pellet

Session 3 -  COST Action 727 - Working Group 1: Modelling of Icing

• Using the Weather Research and Forecasting (WRF) Model to Predict Ground/Structural Icing
  Author: Gregory Thompson, Bjorn Egil Nygaard, Lasse Makkonen, and Silke Dierer
• COST Action 727 WG1– Review of results
  Author: Lasse Makkonen
• Evaluation of icing simulations for the “COST727 icing test sites” in Europe
  Author: Bjørn Egil K. Nygaard
• How sensitive is simulated icing to the treatment of cloud microphysics?
  Author: Kristjansson Jon Egill, Nygaard Bjørn Egil K., Mamen Jostein, Moi Rita,Thompson Gregory
• Modeling the risk of icing in Switzerland
  Author: Silke Dierer, A, René Cattin, Stefan C. Müller, Bjørn Egil Nygaard, Philippe Steiner and Bertrand Calpini
• WRF Simulation of wet snow and rime icing incidents in the UK
  Author: Dr. J. B. Wareing, B. E. Nygaard, Brian Wareing
• Synoptic icing observations in central Europe and their applicability for icing mapping
  Author: Jirí Hosek
• Application of a wet snow accretion model to the Münsterland event
  Author: Makkonen Lasse, Wichura Bodo

Session 4 - COST Action 727 - Working Group 2: Icing Measurements

• Evolution of Real-time Monitoring and its Future Benefits
  Author: Dr. A. Peabody
• COST Action 727 WG2 – Review of Results
  Author: Svein M. Fikke
• European Test Sites
  Author: Dr. J. B. Wareing
• Evaluation of ice detecting sensors by icing wind tunnel test
  Author: Prof. S. Kimura, Dr. T. Sato, Prof. Y. Yamagishi and H. Morikawa
• Intercomparison of icing measurements at Zinnwald test site
  Author: Wichura Bodo
• Recommendations for Meteorological Measurements under Icing Conditions
  Author: A. Heimo, R. Cattin, B. Calpini
• Icing Indices: a good solution?
  Author: Jacques Rast, René Cattin and Alain Heimo
• Measurements of Cloud Water Content and Droplet Density; and Calculation of Cloud Water Gradients at Kuopio, Finland
  Author: Dr. K. Harstveit and J. Hirvonen
• A Proposed Research Policy for Wind Energy in Icing Climates
  Author: Göran Ronsten, WindREN AB

Session 5 -  Icing in Wind Energy

• Wind Energy in Cold Climates IEA Task 19 – Outlook 2010
  Author:Timo Laakso, Lars Talhaug , Göran Ronsten, René Cattin, Ian Baring-Gould, Antoine Lacroix, Esa Peltola, Tomas Wallenius, Michael Durstewitz
• Development of an Electrothermal Ice Protection System for Wind Turbine Applications
  Author: D. O'Hern
• Evaluation of Operational Data in respect to Production Losses due to Icing
  Author: A. Westerhellweg
• Estimating wind power production loss due to icing
  Author: Ø. Byrkjedal
• Methodology and validation of wind farm production loss estimates due to icing events
  Author: Clément Hochart, Tracy Duncan, Stéphane Pearson and Marc LeBlanc
• Ice accretion on wind-turbines
  Author: Prof. Laszlo Fuchs, and Dr. Robert-Zoltan Szasz
• The effect of ice shapes on wind turbine performance and aerodynamic behaviour
  Author: S. Barber, Y. Wang, N. Chokani and R. S. Abhari
• Development of an Electro Thermal Wind Turbine Ice Protection System
  Author: Pederson Erik, Gedda Hans

Session 7 -  Various Icing Topics

• European Icing Frequency Derived From Surface Observations
  Author: B. Bernstein
• Field Observation of sea spray icing on lighthouses and ice adhesion test of superhydrophilic pliable sheet for deicing
  Author: T. Ozeki
• Wind and Ice Load Model Using Numerical Weather Prediction
  Author: E. Lozowski
• Icing and Offshore Arctic Oil Operations Safety
  Author: C. Ryerson
• Mechanical Behaviour of Atmospheric Ice under Different Loading Conditions
  Author: M. Kermani
• Anti-ice technologies - coating concepts and evaluation Fraunhofer IFAM Germany
  Author: B. Weber
• The Effect of Airflow on the Wavelength of Ripples on Icicles
  Author: K. Ueno
• Introduction to the Alpine Test Site Guetsch
  Author: B. Calpini / M. Russi
• Closing Words Meteotest Switzerland
  Author: A. Heimo

Posters - Icing on Powerlines

• Experimental activity and investigation of wet-snow accretion on overhead power lines in Italy
  Author: P. Bonelli
• Flashover performance of line composite insulators with different profiles intended for ice & snow environment
  Author: I. Gutman
• Performance Study of LC-Spiral Rods Under Icing Conditions Hydro-Quebec TransEnergie Canada
  Author: A. Leblond
• Phase conductor broke caused by snow accretion on 110 kV power overhead line
  Author: B. Zemljaric
• Study on the icing process of transmission lines and the local meteorology parameters
  Author: X. Huang
• PTFE-Coated Anodized Aluminum Alloy 6061 with Icephobic Properties
  Author: R. Menini
• Analysis on Influencing Maximum Temperature Factors during DC Ice-melting of Uniformly Ice-Covered Conductors
  Author: X. Jiang
• Analysis of Ice-melting Critical Current for DC Transmission Lines with Short Circuit Method
  Author: X. Jiang
• Study of Effects of Prepolluting Methods on Artificial Icing Flashover Characteristics of Composite Insulators
  Author: L. Shu
• Review on the Icing Flashover Characteristics and Measures to Preventing Iced Insulators from Flashover Voltage
  Author: E. Xiao
• Statistical Characteristic Analysis of AC Flashover Performance of Iced Insulator String
  Author: J. Hu
• Investigation of a Simple Estimation for Snow Accretion on overhead power lines
  Author: K. Satoh
• Study on Effect of AC Electrical Field on Rime-icing Process of Composite Insulators
  Author: Q. Hu
• Dynamic Simulation and Experiment of Ice-melting Process on an Ice-covered Conductor
  Author: Z. Zhang
• Electrical Conductivity and Chemical Composition of Snow
  Author: A. Takahashi
• Experimental Simulation of Wet-Snow Shedding from Sagged Cables
  Author: L. Kollar
• Adhesion of Wet Snow to Different Cable Surfaces
  Author: L. Kollar
• Resolution of Frost-Phenomena Adherent to the Overhead Lines and a Study on Prediction Method of Overhead Line Frosting
  Author: Y. Kamata
• The First Experiences with Ice-Monitoring System for Transmission Network in Slovenia
  Author: F. Jakl
• Ice Adhesion and Hydrophobic Properties of Coatings Based on Doped RTV Silicone Rubber
  Author: S. Kulinich / M.Farzaneh
• Snow Accretion Properties of Various Insulators Exposed to an Artificial Wet Snow Accretion Test
  Author: H. Homma
• Study of Influencing Factors on Ice Shedding from Power Transmission Lines
  Author: M. Kermani
• Effect of Salt Content and Water Droplet on Partial Discharge Occurred in Artificially Packed Snow Formed over a 66kV Insulator
  Author: Y. Higashiyama
• Observation of Natural Snow Accretion on the Test Conductors
  Author: K. Fujii
• A study of light weight interphase spacer
  Author: T. Watanabe 

Posters - Wind Energy

• Assessment of wind turbine power performance at the Alpine Test Site Gütsch
  Author: S. Barber
• Numerical Simulation of Ice Accretion on Wind Turbines
  Author: P. Drage
• Development of an Electrothermal Ice Protection System for Wind Turbine Applications
  Author: D. O'Hern

Posters - Various Topics

• SensEarth - A Web-based Geoportal for Acquisition, Analysis, Mapping, and Modeling of Ice Accretion Observations
  Author: P. Mitten
• A Novel Numerical Model of Surface Water Flow and Freezing for Glaze Ice Accretion with Runback
  Author: K. Szilder
• A Numerical Study of Forced Convection around a Snow Sleeve in a Crossflow of Air
  Author: M. Farzaneh
• Experiments in Acoustically-Induced Freezing
  Author: C. Ryerson
• Ice Adhesion on Superhydrophobic and Hydrophobic Surfaces: Effect of Wetting Hysteresis
  Author: S. Kulinich
• How Dynamic Hydrophobicity of Superhydrophobic Surfaces Governs Evaporation of Small Water Droplets
  Author: S. Kulinich
• VORTEX Icing modelling project
  Author: G. Delgado
• Model for Road Icing Forecast and Control
  Author: N. Bezrukova
• An integrated system for detection and classification of icing fog and drizzle
  Author: D. Baumgardner
• Icing mitigation strategies using surface coatings 
  Author: C. Antonini
• Impact of water drops on cold sub-zero surfaces
  Author: C. Antonini
• Ice-repellent performance of alkyl-grafted aluminum alloys surfaces
  Author: S. Kulinich / M.Farzaneh
• Comparison of Theoretical Models of Ripple Formation on the Surface of Icicles with Experiments
  Author: K. Ueno
• Icing Rate Measurements Using Clear Ice IndicatorsTM HoloOptics Sweden
  Author: R. Westerlund

Posters - COST Action 727 Working Group 1: Icing simulations

• Case study on a cloud layer with severe icing
  Author: J. Hirvonen
• Analysis of the spatial and temporal distribution of the freezing rain events in Romania and Germany
  Author: A. Manea
• The INCA icing potential
  Author: A. Kann
• Analysis of spatial and temporal distribution of wet snow events in Germany
  Author: D. Nikolov
• Relation between atmospheric icing and some meteorological characteristics at high-mountain sites in Bulgaria and Slovakia
  Author: D. Nikolov
• Analysis of some extreme icing events on the territory of Bulgaria
  Author: D. Nikolov
• Climatology and forecasting of severe wet-snow icing in Hungary
  Author: K. Tóth
• Validation of Regional In-Cloud Icing Maps in Norway
  Author: K. Harstveit
• Using Metar - Data to Calculate In-Cloud Icing on a Mountain Site near by the Airport
  Author: K. Harstveit
• Comparison between measured ice load caused by freezing rain and corresponding simulations with a NWP model for the Northeast part of Bulgaria.
  Author: B.E. Nygaard
• Comparison of WRF simulations and icing measurements at Milesovka and Dlouhá Louk
  Author: J. Hosek

Posters - COST Action 727 Working Group 2: Icing measurements

• Atmospheric icing at the high-mountain sites in the Low and High Tatras
  Author: M. Ostrozlik
• Deadwater Fell Test Site (EA Technology)
  Author: B. Wareing
• Test site data on icing monitors and conductor ice loads
  Author: B. Wareing
• Testing the PMS Icemeter at Deadwater Fell
  Author: B. Wareing
• A field experiment for the observation of alpine precipitation
  Author: A. Berne
• Icing Measurements at the Luosto Test Site
  Author: K. Säntti
• Four years of monitoring a wind turbine under icing conditions
  Author: R. Cattin
• Two years of icing monitoring at Nygårdsfjell wind park
  Author: M. Homola
• Zinnwald test site for intercomparison of icing measurements
  Author: B. Wichura
• COST Action 727 - Summary of Phase 1
  Author: S. Fikke
• Energy production losses due to iced-up blades and instruments (atNygårdsfjell, Sveg and Aapua)
  Author: M. Homola
• The Sveg (SE) icing measurement station
  Author: P.-E. Persson
• A test of the Goodrich 0871LH1 ice detector at the Guetsch station
  Author: R. Cattin
• Setup of the Icing Test Station at the Guetsch
  Author: B. Calpini
• Icemeter tests at Studnice Station
  Author: J. Sabata
• Studnice Test Station
  Author: J. Sabata

“If you have any questions about the IWAIS proceedings, please e-mail iwais@compusult.net.”

“Compusult would like to sincerely thank all those who participated in IWAIS 2013 and helped make this workshop a success!”