Wind Engineering 1983 3B

Proceedings of the Sixth international Conference on Wind Engineering, Gold Coast, Australia, March 21-25, And Auckland, New Zealand, April 6-7 1983; held under the auspices of the International Association for Wind Engineering

1st Edition - January 1, 1984
Editor: J.D. Holmes
Language: English
eBook ISBN:
9 7 8 - 0 - 4 4 4 - 6 0 1 2 6 - 1

Wind Engineering 1983, Part B contains the proceedings of the Sixth International Conference on Wind Engineering, held in Gold Coast, Australia, on March 21-25, 1983 and in… Read more

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Wind Engineering 1983, Part B contains the proceedings of the Sixth International Conference on Wind Engineering, held in Gold Coast, Australia, on March 21-25, 1983 and in Auckland, New Zealand, on April 6-7, 1983 under the auspices of the International Association for Wind Engineering. The conference provided a forum for discussing topics related to wind energy and wind engineering, from bluff body aerodynamics and mathematical models of wind loading to full-scale measurement and modeling of buildings and other structures. Comprised of 37 chapters, this volume begins with a description of two probabilistic wind load models used in assessing the safety indices of structural members in cyclonic and non-cyclonic regions of Australia. The discussion then turns to the effect of uncertainties in wind load estimation on reliability assessments; wind tunnel test program and risk analysis for structural design; and application of wind engineering to low-rise housing. Subsequent sections focus on wind loading of chimneys and cooling towers, bridges, cables and transmission lines, and offshore platforms. The fundamentals of bluff body aerodynamics are also examined, along with mathematical models of wind loading. This monograph will be of interest to students, practitioners, and researchers concerned with wind energy and wind engineering.

Introduction and Acknowledgments

Australian Sessions 1 to 19

Session 1

Opening

Keynote Address - The Relationship of Reliability to Wind Loading

Session 2 Wind Characteristics: Strong Winds & Tropical Cyclones

Gradient Height and Velocity Profile During Typhoons

Comparison of some Ambient and Typhoon Instantaneous Wind Speed Characteristics

Wind Profiles, Turbulence Intensities and Gust Factors for Design in Typhoonprone Regions

Spatial Structure of Surface Wind Over the Ocean

Design Winds for High-Level Sites in New Zealand

Discussion of Session 2

Session 3 Wind Characteristics: Long Term Wind Statistics

Extreme Wind Speeds by Compound Weibull Analysis of Exposure-Corrected Data

United States Extreme Wind Speeds - A New View

Statistical Estimation of Direction-Dependent Design Wind Speed

On the Estimation of Extreme Wind Gusts by Direction Sector

Design Wind Speeds in Regions Dominated by Tropical Cyclones

Discussion of Session 3

Session 4 Wind Loading of Tall Buildings (a)

The Determination of Modal Forces Acting on Three Buildings Using Wind Tunnel Methods

On Predicting the Response of Tall Buildings to Wind Excitation

Wind Induced Torque on Square and Rectangular Building Shapes

Pressure Fluctuations on Square Prisms, Applicability of Strip and Quasi-Steady Theories

Discussion of Session 4

Session 5 Wind Loading of Tall Buildings (b)

Comparison of Model and Full-Scale Accelerations of a High-Rise Building

The Influence of Structural Performance on the Distribution of Wind Loads on Buildings

Studies of Wind-Induced Motion of Tall Buildings Based on Occupants' Reactions

Control of Tall Buildings Response by Aerodynamic Appendages

Wind-Induced Static Instability of Cylindrical Shells

Discussion of Session 5

Session 6 Wind Loading of Low Rise Structures(a)

A Full-Scale Study of the Geometric Parameters that Influence Wind Loads on Low-Rise Buildings

Large Models of Low Rise Buildings Loaded by the Natural Wind

Simplification of the Dynamic Characteristics of the Wind Loading on a Low-Rise Structure

Scale Effects in Wind Tunnel Testing of Low Buildings

Wind Tunnel Measurements of Total Loads on a Mobile Home

Discussion of Session 6

Session 7 Wind Loading of Low Rise Structures (b)

Wind Loads on Permeable Roofing Systems

Use of Eigenvalues in the Covariance Integration Method for Determination of Wind Load Effects

Laboratory Simulation of Tornadic Wind Loads on a Rectangular Model Structure

An Investigation on the Response of Pretensioned One-Way-Type Suspension Roofs to Wind Action

Aerodynamic Behavior of One-Way Type Hanging Roofs

Wind Tunnel Studies of Cable Roofs

Discussion of Session 7

Session 8 Instrumentation and Experimental Techniques for Wind Loading

The Base Balance Technique for the Determination of Dynamic Wind Loads

A Detailed Design Method for Pneumatic Tubing Systems

A Digital System for the Measurement of Wind Effects on Large Structures

Active Modeling of Large-Scale Turbulence

Selection of Local Peak Pressure Coefficients for Wind Tunnel Studies of Buildings

Discussion of Session 8

Session 9 Safety and Risk: Wind Codes

Safety Indices for Wind Loading in Australia

The Effect of Uncertainties in Wind Load Estimation on Reliability Assessments

Structural Design Using a Wind Tunnel Test Program and Risk Analysis

Wind Load Provisions of the New ANSI Standard

Discussion of Session 9

Sessions 10 Low Rise Building Wind Resistant Design

Construction Tradition for Housing Determines Disaster Potential from Severe Tropical Cyclones

The Impact of Cyclone Isaac on Buildings on Tonga

Low-Rise Building Design for Hurricane Wind Loads in South Florida

Application of Wind Engineering to Low Rise Housing

Testing of a Full Scale House with Simulated Wind Loads

Discussion of Session 10

Session 11 Wind Loading of Chimneys and Cooling Towers

Ovalling of Chimneys: Induced by Vortex Shedding or Self-Excited?

Aeroelastic Interference Effects Between Slender Structures

Response of Steel Chimneys with Added Damping

Simplified Approaches to the Evaluation of the Across-Wind Response of Chimneys

Some Aspects of the Wind Design of Cooling Towers

Wind Pressure Distribution Around a Ribless Hyperbolic Cooling Tower

Discussion of Session 11

Session 12 Wind Loading of Bridges

Calculation of the Wind Buffeting of the Lions' Gate Bridge and Comparison with Model Studies

Measurement and Application of the Aerodynamic Admittance Function for a Box-Girder Bridge

Pressure Distribution Measurements for Wind Induced Vibrations of Box Girder Bridges

Control of Wind-Induced Vibrations of Cable-Stayed Bridges

Wind Tunnel Experiments on the Effects of Turbulence on the Aerodynamic Behavior of Bridge Road Decks

Discussion of Session 12

Session 13 Wind Loading of Cables and Transmission Lines

Some Effects of Turbulence on Power Transfer to an Oscillating Cylinder in a Cross Flow

Estimation of Conductor Vibration Amplitudes Caused by Aeolian Vibration

On Vortex Locking-On Phenomenon for a Cable in Linear Shear Flow

Discussion of Session 13

Session 14 Wind Loading of Towers and Offshore Platforms

Full-Scale Measurements of Wind-Induced Response of Sydney Tower

Role of Damping in Wind Induced Excitation of Towers

The Assessment of Response of Tall Free-Standing Towers to Along-Wind Loading

Nonlinear Dynamic Analysis of Compliant Offshore Platforms Subjected to Fluctuating Wind

Effect of Tuned Mass Dampers on Wind Induced Response of Tall Buildings

Discussion of Session 14

Session 15 Fundamentals of Bluff Body Aerodynamics

Free-Streeam Turbulence Effects on a Separation Bubble

Mean Flow Patterns Around Two-Dimensional Rectangular Cylinders and their Interpretation

Turbulence Effects on some Aerodynamic Parameters of a Circular Cylinder at Super-Critical Reynolds Numbers

Discussion of Session 15

Session l6 Bluff Body Aerodynamics and Mathematical Models of Wind Loading

On Classification of Vortex-Induced Oscillation and its Application for Bridge Structures

Mathematical Model for Vortex-Induced Oscillations of Continuous Systems with Circular Cross Section

Trajectories of Flat Plates in Uniform Flow with Application to Wind Generated Missiles

Reliability of Gust Response Prediction Considering Height Dependent Turbulence Parameters

Analytical Estimation of the Alongwind Response of Structures

Discussion of Session l6

Session 17 Internal Pressures, Natural Ventilation and Heat Losses Due to Wind

Pressure Response Inside Double Glazed Windows

Effects of Surrounding Buildings on Wind Pressure Distributions and Ventilative Heat Losses for a Single-Family House

A Study on the Probabilistic Model of Wind Induced Ventilation

Ventilation Rates of Two Communicating Low Rise Buildings as Affected by Terrain Roughness

Non-Linearity of Pressure Differentials Induced by Wind and Mechanical Ventilation

Discussion of Session 17

Session 18 Topographic Modeling, Dispersion of Gaseous Pollutants

Comparison of Simulated and Full-Scale Wind Structure Over a Small Suburban Airport

Simulations of Regional Atmospheric Flows on Small Scale Topographical Models

A Review of the Dispersion of Liquefied Gas in the Atmosphere

Measuring the Distribution of Concentration of Plume and the Experimental Study of its Mathematical Model

Discussion of Session 18

Session 19 Wind Environment and Shelter

A Comparison of Pedestrian Comfort Criteria Applied to a City Center

Turbulence Characteristics of Wind Flow at Ground Level in Built-Up Area

Development of Velocity and Shear Stress Distributions in the Wake of a Porous Shelter Fence

The Turbulent Kinetic Energy Budget Behind a Porous Barrier: An Analysis in Streamline Coordinates

Discussion of Session 19

New Zealand Sessions 20 to 24

Session 20 Wind Characteristics: Structure and Statistics(a)

Characteristics of Wind Profiles Over Complex Terrain

Wind Characteristics Over Complex Terrain

On the Spatial Structures of Longitudinal Wind Velocities Near the Ground in Strong Winds

Discussion of Session 20

Session 21 Wind Characteristics: Structure and Statistics(b)

Prediction Method for Surface Wind Velocity Distribution by Means of Regression Analysis of Topographic Effects on Local Wind Speed

The Influence of Thermal Stability and Angle of Incidence on the Acceleration of Wind Up a Slope

Escarpment Induced Flow Perturbations, A Comparison of Measurements and Theory

Discussion of Session 21

Session 22 Wind Characteristics: Flow Over Hills and Ridges

The Prediction of Mean Wind Speeds Above Simple 2D Hill Shapes

Wind-Tunnel and Full-Scale Comparisons of Mean Wind Flow Over an Isolated Low Hill

Wind Shear Measurements and Synoptic Weather Categories for Siting Large Wind Turbines

Discussion of Session 22

Session 23 Wind Power Systems (a)

Design Characteristics of the Mono Wind Turbine

Minimum Induced Loss Windmills and Propellers

The Aerodynamics and Dynamic Analysis of Horizontal Axis Wind Turbines

Discussion of Session 23

Session 24 Wind Power Systems (b)

Actuator-Disc Theory for Vertical-Axis Wind Turbines

Experimental Research on Gyromill Type Vertical Axis Wind Turbine Using a Sailwing

Features to Aid or Enable Self Starting of Fixed Pitch Low Solidity Vertical Axis Wind Turbines

The Aerodynamic Forces for a Darrieus Rotor with Straight Blades : Wind Tunnel Measurements

Discussion of Session 24

Appendix 1 - Minutes of IAWE Steering Committee

Appendix 2 - Members of the Conference Organizing Committee

Appendix 3 - Conference Delegates