noise absorption

sound absorption coefficient,

a The fraction of the sound energy (incident at random angles on a surface) which is absorbed or otherwise not reflected by the surface.

References in periodicals archive ?

The combination of the blowing agent and the hot-melt com pound, at recommended high contents, makes it possible to very greatly reduce an expansion ratio and therefore a thickness of the rubber layer once the pneumatic tire is vulcanized, without affecting noise absorption properties provided by the blowing agent.

Tire, the inner wall of which is provided with a heat-expandable rubber layer

When porosity of the pavement is higher than 10%, pavement becomes acoustically absorbing, but good noise absorption characteristics will be achieved when the porosity is higher than 20%.

Peculiarity of low noise pavement design under Lithuanian conditions/Triuksma mazinanciu dangu kurimas Lietuvos salygoms/Zema troksna segumu projektesanas ipatnibas Lietuvas apstaklos/Madala muratasemega katete projekteerimise eripara Leedu tingimustes

This also helped with noise absorption and provided extra protection for the pasta" said Lee Smith, Yamato's After Sales Commercial Manager.

Yamato install ADW- 514AT pasta weigher

It features new engine and exhaust mount designs, improved body rigidity and 30 percent more noise absorption materials, Tilt/telescopic-adjustable leather steering wheel and 60:40 split-folding rear seats, multi-layered paddings, dual-zone automatic climate control, rear air-con vents, full-colour Advance Drive Display within the instrument cluster, cruise control and keyless entry and start system.

Nissan launches 2014 Teana in Malaysia

Insulite provides excellent noise absorption, superior to that of number of commonly used building materials, reducing sound transmission.

Saudi Perlite is a regional pioneer

Porous materials, such as wool and fibrous materials, possess excellent airborne noise absorption capability.

Development, characterization, and modeling of environmentally friendly open-cell acoustic foams

New noise absorption pads are placed in the front doors.

5 things about the Fiat 500e: fiat is bringing a little more environmentally responsible fun to its lineup, an electric-powered 500

This, in turn, translates to the manufacturing of lighter cabin products that feature better noise absorption, quality and are more durable, while offering customisation opportunities for airline end-users.

Frost & Sullivan Confers Prestigious Market Share Leadership Award on FACC AG

He followed up by attaching QuietFiber on top of the Acoustiblok to add a level of noise absorption to the project.

Acoustiblok[R] and QuietFiber[R] Layered to Quiet Residential Generator in Maryland Homeowner's Weekend DIY Sounproofing Project

C] is the equivalent noise absorption surface of the interior of the room's wall, in [m.

Quality and cost improvement in specific vehicles manufacturing

The hay bale facility, built by airport staff, provided outstanding noise absorption during turboprop aircraft run-ups but was not suitable for use with jet engines.

A good neighbour ... Don Bergin, Sales Director for Blast Deflectors Inc. explains how Albany has taken steps to be a good neighbour

The companies said that the GEnx engine nacelle will be fitted with a one-piece, sound-absorbent acoustic inlet liner which, along with the larger 104-inch fan diameter of the GEnx engine, almost doubles the noise absorption area and reduces the weight as compared to designs currently in production.