Track sound radiation Work area 3 Noise and Vibration Xianying Zhang - PowerPoint PPT Presentation

May 14, 2023 •28 likes •58 views

Track sound radiation Work area 3 Noise and Vibration Xianying Zhang Supervisor: Prof. David Thompson Dynamics Group Institute of Sound and Vibration Research University of Southampton What is the problem rail wheel roughness roughness

Track sound radiation Work area 3 Noise and Vibration Xianying Zhang Supervisor: Prof. David Thompson Dynamics Group Institute of Sound and Vibration Research University of Southampton
What is the problem rail wheel roughness roughness  track wheel dynamics dynamics track wheel  noise noise noise
How Boundary element method Methodology Experimental verification Ballast vibration Sleeper radiation Rail radiation Ballast absorption (Nearly finished) (Being done) (Being done) Propose a practical model C Goal Predict railway noise

Download Presentation

Download Policy: The content available on the website is offered to you 'AS IS' for your personal information and use only. It cannot be commercialized, licensed, or distributed on other websites without prior consent from the author. To download a presentation, simply click this link. If you encounter any difficulties during the download process, it's possible that the publisher has removed the file from their server.

Recommend

Computer Graphics Seminar MTAT.03.305 Spring 2016 Raimond Tunnel Radiation Radiation

Computer Graphics Seminar MTAT.03.305 Spring 2016 Raimond Tunnel Radiation Radiation emission of energy Electromagnetic radio, light, x-rays, Particle , , neutron Acoustic sound, seismic Gravitational

613 views • 24 slides

3 rd INTERNATIONAL WORKSHOP ON SPACE RADIATION RESEARCH and 15 th ANNUAL NASA SPACE RADIATION

Presenter Information2ndAnnct 3 rd INTERNATIONAL WORKSHOP ON SPACE RADIATION RESEARCH and 15 th ANNUAL NASA SPACE RADIATION HEALTH INVESTIGATORS WORKSHOP May 16-20, 2004 Danfords on the Sound Port Jefferson, New York A Map to the Future

72 views • 3 slides

1 Annual Lower limit for Background known effects Radiation of radiation Lowest 1-year dose

Radiation Units Radiation Risks in low-Dose Imaging Grey (Gy) = amount of radiation absorbed in any material Sievert (Sv) = estimates biological effect Michael K OConnor, Ph.D. from the absorbed radiation Dept. of Radiology, Mayo Clinic

459 views • 9 slides

Sound 1 Sound "50% of the movie experience is sound - George Lucas Sound is used

Sound 1 Sound "50% of the movie experience is sound - George Lucas Sound is used to create: Mood Ambience Drama Environmental clues Continuity Feedback Practical Issues Real-time requirement

311 views • 17 slides

? Message sound Message P(wolf|sound) P(sound| wolf) x P(wolf) 1 9/4/19 P(sound| wolf)

9/4/19 Speech Hynek Hermansky Elecrical and Computer Engineering Hackerman 324Fp ? Message sound Message P(wolf|sound) P(sound| wolf) x P(wolf) 1 9/4/19 P(sound| wolf) no wolf wolf loudness timbre (sound color) More

334 views • 14 slides

SOUND SOUND Wha hat is t is sound sound? Click on the image below to find out. Sounds are

SOUND SOUND Wha hat is t is sound sound? Click on the image below to find out. Sounds are made when objects vibrate and the vibrations travel to enter you ear. You hear these vibrations as sounds. Sound is all around us We cannot

357 views • 9 slides

MEMS Technology for Radiation Sensors C. Kenney, August 2, 2013 HL-LHC Vertex Needs Higher

MEMS Technology for Radiation Sensors C. Kenney, August 2, 2013 HL-LHC Vertex Needs Higher track density better segmentation Many interactions better vertex resolution along beam axis Improved radiation tolerance Better

680 views • 24 slides

AACE September 13 Todays Presentation Overview of Sound Transit and East Link Project

AACE September 13 Todays Presentation Overview of Sound Transit and East Link Project Work to date Challenges Track Bridge System 2 Sound Transit District Sound Transit Program Transit Investments (to date): 24

1.01k views • 40 slides

Introduction Natural radiation consists of cosmic radiation and the radiation arising from

Practical experience and implementing occupational radiation protection and training in the oil & gas industry International Conference on Occupational Radiation Protection: Enhancing the Protection of Workers Gaps, Challenges and

385 views • 24 slides

NEW RADIATION LEGISLATION M M TREVOR RADIATION Aims to: Produce a working definition for

NEW RADIATION LEGISLATION M M TREVOR RADIATION Aims to: Produce a working definition for the term Radiation Consider what types of radiation are present in the workplace Look at risk assessment of artificial optical radiation and

806 views • 70 slides

Sound & Editing Lily, Matt, Mei, Michaela Sound WHAT IS SOUND? An audible vibration of the

Sound & Editing Lily, Matt, Mei, Michaela Sound WHAT IS SOUND? An audible vibration of the air or some other material. Difference between Sound and Noise Sound has communication purpose. Noise is random and unwanted. TYPES OF Sounds

103 views • 7 slides

Sound Slide 2 / 50 Characteristics of Sound Sound can travel through any kind of matter, but

Slide 1 / 50 Sound Slide 2 / 50 Characteristics of Sound Sound can travel through any kind of matter, but not through a vacuum. The speed of sound is different in different materials; in general, it is slowest in gases, faster in liquids,

326 views • 17 slides

Basic Radiation Concepts and Radiation Protection Radiation and Radioactive Material Are Part

Basic Radiation Concepts and Radiation Protection Radiation and Radioactive Material Are Part of Our Lives We are constantly exposed to low levels of radiation from outer space and the earth itself Low levels of naturally occurring

576 views • 34 slides

RADIATION There are three (3) primary categories of radiation that might be encountered in a

RADIATION There are three (3) primary categories of radiation that might be encountered in a field survey Alpha Beta Gamma RADIATION Alpha Energetic helium ions (atoms that have lost their electrons) Large size

698 views • 24 slides

Exposure Dose from Natural and Artificial Radiation around Us Radiation From outer Natural

Exposure Dose from Natural and Artificial Radiation around Us Radiation From outer Natural radiation Artificial space (in Japan) radiation 0.3mSv From radon in the air 0.48mSv From foods 2.4 0.99mSv Chest CT scan From the ground

336 views • 15 slides

Physics of Sound What is sound? Vibrations that travel through the air (or another medium)

Physics of Sound What is sound? Vibrations that travel through the air (or another medium) that can be heard when they reach the ear Sound may be classified as noise based on its magnitude, characteristics, duration and time of

696 views • 21 slides

Great Western Railway Moving Forward with GWR Revaluing Rail in the Hearts and Minds of the

Great Western Railway Moving Forward with GWR Revaluing Rail in the Hearts and Minds of the Travelling Public Amanda Burns, Head of Marketing & Sales Great Western Railways Story 18/19 GWR video This Year Highest Train Fleet

309 views • 14 slides

HAMPTON INN HOTEL RENOVATION CORRIDORS WALL VINYL WINDOW TEATMENTS WALL ART CARPET WALL ART

HAMPTON INN HOTEL RENOVATION CORRIDORS WALL VINYL WINDOW TEATMENTS WALL ART CARPET WALL ART WALL ART SCONCES GUEST ROOMS CARPET TILE SLEEPER SOFAS HEAD BOARD CASE GOODS CARPET OVERALL LOOK GUEST ROOMS Cushioned Pinned Bed Board

474 views • 10 slides

PNW TRANSPORTATION ISSUES Presented to Mapping the Course January 23, 2020 FMCSA Drug and

PNW TRANSPORTATION ISSUES Presented to Mapping the Course January 23, 2020 FMCSA Drug and Alcohol Clearinghouse 1. Employers, Medical Review Officers and Substance abuse Professionals begin reporting Jan. 6, 2020 Employers required to check

254 views • 9 slides

& Streetwise Week of Action (Taunton) Andy Lloyd One Team Coordinator, Public Health How

Street Deaths Thematic Review & Streetwise Week of Action (Taunton) Andy Lloyd One Team Coordinator, Public Health How did it start? Over 9 weeks between December 2017 and February 2018 5 adults died unexpectedly in Taunton All

499 views • 18 slides

If two lines are parallel then they have the same slope. Consider the figure below. Line MN has

D AY 27 S LOPE CRITERIA OF SPECIAL LINES I NTRODUCTION Two lines which intersect at a right angle are said to be perpendicular. If two or more lines on the same plane do not meet, they are said to be parallel. The slopes of parallel are

171 views • 13 slides

The Slope of a Line The Slope of a Line The Slope of a Line The Slope of a Line The Slope of a

The Slope of a Line The Slope of a Line The Slope of a Line The Slope of a Line The Slope of a Line The Slope of a Line The Slope of a Line The Slope of a Line The Slope of a Line m = y x The Slope of a Line m = y x x =

699 views • 37 slides

Environmental Management Plan Slope Stabilization Project Canada Post Corporation Saint John

Environmental Management Plan Slope Stabilization Project Canada Post Corporation Saint John Mail Processing Plant Rob Fiander, P.Eng., Stantec Consulting Ltd. April 2016 Agenda 1 Project Description 2 Project Setting 3 Objectives and Risks 4

287 views • 17 slides

THE DESIGN AND CONSTRUCTION OF THE CHINIPAS SLOPE PIPELINE CROSSING DES CRIPTION OF THE

THE DESIGN AND CONSTRUCTION OF THE CHINIPAS SLOPE PIPELINE CROSSING DES CRIPTION OF THE INITIATIVE 20 th IPLOCA IPLOCA Environmental Award sponsored by Shell Fano, Italy May 2016 Contents Saipem Business Saipem Business Saipem

493 views • 20 slides