Navigation Links
Motorcycle helmets hard on hearing
Date:7/29/2011

Motorcycle helmets, while protecting bikers' brains, may also be contributing to hearing loss. Scientists mapped the airflow and noise patterns to find out why.

The distinctive roar of a Harley's engine is loud, but studies have revealed the biggest source of noise for motorcyclists is actually generated by air whooshing over the riders' helmets. Even at legal speeds, the sound can exceed safe levels. Now, scientists have identified a key source of the rushing din. Researchers from the University of Bath and Bath Spa University placed motorcycles helmets atop mannequin heads, mounted them in a wind tunnel, and turned on the fans. By placing microphones at different locations around the helmet and at the mannequin's ear, the researchers found that an area underneath the helmet and near the chin bar is a significant source of the noise that reaches riders' sensitive eardrums. The team also investigated how helmet angle and wind speed affected the loudness. Future tests will move beyond the wind tunnel to real-life riders on the open road. The findings, described in the Journal of the Acoustical Society of America, may one day be used to design quieter helmets, saving riders' ears for the enjoyment of hard biker rock, the researchers say.


'/>"/>

Contact: Catherine Meyers
cmeyers@aip.org
301-209-3088
American Institute of Physics
Source:Eurekalert

Page: 1

Related medicine news :

1. Motorcycle Fatalities Drop Sharply in U.S.
2. Motorcycle Cancer Risk and ELF EMF Radiation Invasion of Gastrointestinal Melatonin
3. Young Motorcycle Riders Suffering More Brain Injuries
4. Motorcycle helmets reduce spine injuries after collisions
5. Motorcycle Helmets Help Protect Against Spine Injury: Study
6. Motorcycle Deaths Drop for Second Straight Year: Report
7. Helmets must be part of skiing and snowboarding culture, doctors urge
8. At Any Age, Helmets Make Riding Safer
9. Black motorcyclists -- even in helmets -- more likely to die in crashes
10. High-Tech Football Helmets Gauge Force of Collision
11. Alexander Graham Bell Association for the Deaf and Hard of Hearing Announces 2010 Award Recipients
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:10/13/2017)... (PRWEB) , ... October 13, 2017 , ... ... will be giving viewers the lowdown on sciatica in a new episode of ... that focuses on current events and innovation and investigates each subject in-depth with ...
(Date:10/13/2017)... ... October 13, 2017 , ... “America On The Brink”: the Christian history of ... Brink” is the creation of published author, William Nowers. Captain Nowers and his ... veteran, he spent thirty years in the Navy. Following his career as a ...
(Date:10/12/2017)... Orleans, LA (PRWEB) , ... October 12, 2017 , ... ... centers in the U.S., announced today its plans to open a flagship location in ... will occupy the former Rooms To Go store next to Office Depot in the ...
(Date:10/12/2017)... Bethesda, MD (PRWEB) , ... October 12, 2017 , ... ... Award of Excellence to Carol Friedman, PhD, FACMI, during the Opening Session of AMIA’s ... 4 – 8. , In honor of Morris F. Collen, a pioneer in the ...
(Date:10/12/2017)... ... October 12, 2017 , ... Dr. Parsa Mohebi, ... a medical article to the newly revamped Cosmetic Town journal section, ... hair transplant procedure known as Follicular Unit Extraction (FUE). , Dr. ...
Breaking Medicine News(10 mins):
(Date:10/2/2017)... 2, 2017  Eli Lilly and Company (NYSE: ... the third quarter of 2017 on Tuesday, October 24, ... that day with the investment community and media to ... conference call will begin at 9 a.m. Eastern time. ... live webcast of the conference call through a link ...
(Date:9/28/2017)... Cohen Veterans Bioscience and Early Signal Foundation ... and home sensors for real-time monitoring of patients with ... nonprofit organization focused on disruptive health solutions for rare ... system to record and integrate behavioral, cognitive, physiological and ... ...
(Date:9/23/2017)... Janssen Biotech, Inc. (Janssen) announced today that ... U.S. Food and Drug Administration (FDA) for the Biologics ... treatment of moderately to severely active rheumatoid arthritis (RA). ... needed to further evaluate the safety of sirukumab in ... "We are disappointed ...
Breaking Medicine Technology: