Noise Modeling Applications

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  • Category: Health & Safety ×

  • Subcategory: Noise Modeling ×

Noise monitoring for industrial sites

by Larson Davis, a division of PCB Piezotronics     based in Depew, NEW YORK (USA)

Industrial noise generated from plants, mills, refineries, shipping docks, utilities, and more, impact the quality of the surrounding community.  By controlling and monitoring this noise a community and industry can establish a working relationship that will benefit all.  An effective noise monitoring program will allow an industrial site to understand the noise sources and time periods that are causing concerns and then develop a plan for mitigation.

Noise monitoring for the petrochemical industry

by Larson Davis, a division of PCB Piezotronics     based in Depew, NEW YORK (USA)

Many industrial operations take place over lengthy time periods and operations often continue 24 hours a day.  By implementing a 24 hour noise monitoring system, with real-time communication and alert notification, a plant can demonstrate to the community and regulatory agencies that they are sensitive to the community and prepared to root-cause and correct any problems that may arise.

Noise monitoring solutions for urban noise

by Brüel & Kjær Sound & Vibration Measurement A/S     based in Nærum, DENMARK

The sounds in a city are central to our quality of life. Constant exposure to noise effects both our physical and psychological health, and our ability to learn and communicate.

2-Channel sound insulation for building acoustics

by Brüel & Kjær Sound & Vibration Measurement A/S     based in Nærum, DENMARK

Façade sound insulation is measured like sound insulation between rooms, except that one `room` is actually open space. The sound level is measured inside the receiving room and outside the façade of the building. The level difference is then corrected for the influence of the reverberation time and background noise level in the receiving room. Finally a single-number index is calculated by averaging over all the frequency bands. A loudspeaker source can be used for the measurement, giving a choice of sound incidence angle. But in practice, placing the loudspeaker and getting a high enough sound level can be difficult.

Low frequency noise analysis using XL2

by NTi Audio AG     based in Schaan, LIECHTENSTEIN

The Data Explorer PC software for the XL2 Sound Level Meter now includes a series of professional tools for detailed analysis of low-frequency noise (LFN). The graphical representation of time varying frequency components offers an efficient process for identifying the presence and level of LFN. Also the associated high quality audio recording supports further correlation with the objective measurement data. The new features are particularly useful in the calculation of immission levels which is defined as the cumulative noise energy to which an individual is exposed over time. Exposure to low-frequency noise over extended periods can lead to a range of health problems including cardio vascular disease, insomnia and depression. The sources of low frequency noise can often be attributed to electricity sub stations, chiller plants and incinerators with continuous noise at frequencies below 200 Hz. XL2 Sound Level Meter records all Data Measuring LFN requires a class 1 sound level meter

Noise monitoring solutions for sound intensity mapping

by Brüel & Kjær Sound & Vibration Measurement A/S     based in Nærum, DENMARK

Sound Intensity is the measure of acoustic energy passing through a unit area. By integrating over a surface enclosing an object under test, you can calculate the object`s sound power. This can be done regardless of background noise, allowing convenient, in situ measurements of sound power. Other advantages of sound intensity measurements include the ability to determine the directionality of sound, and to quickly localise noise `hot spots`. Mapping software takes this a stage further by providing you with a contour map of noise levels to provide intuitive documentation of noise problems.

Noise monitoring solutions for room acoustics

by Brüel & Kjær Sound & Vibration Measurement A/S     based in Nærum, DENMARK

Room Acoustics concerns the way sound is created, propagated, perceived, measured and modelled inside enclosures. Enclosures can be dwellings, offices, workshops, factory halls, lecture rooms, auditoria, concert halls, transportation terminals, etc. Reverberation Time is the single most important parameter used to describe Room Acoustics, but in addition, parameters describing music quality and speech inteligibility are important.

Noise monitoring for the construction industry

by Larson Davis, a division of PCB Piezotronics     based in Depew, NEW YORK (USA)

Whether you are in the city, suburb or at a weekend getaway location, noise is an important factor in determining your quality of life or the success of your business.  Many areas have local noise legislation that defines the noise limits that can be produced and experienced during the day or at night.  This noise may be generated by vehicle traffic, aircraft, industrial sites, construction projects, entertainment events, or many other activities.

Noise monitoring for communities

by Larson Davis, a division of PCB Piezotronics     based in Depew, NEW YORK (USA)

Whether you are in the city, suburb or at a weekend getaway location, noise is an important factor in determining your quality of life or the success of your business.  Many areas have local noise legislation that defines the noise limits that can be produced and experienced during the day or at night.  This noise may be generated by vehicle traffic, aircraft, industrial sites, construction projects, entertainment events, or many other activities.

Noise modeling for noise consulting

by SoundPLAN International LLC     based in Shelton, WASHINGTON (USA)

Noise planning that supports many governments and engineering associations worldwide. 

Noise and vibration problem solutions for transportation & infrastructure sector

by Acoustic Associates Sussex Ltd     based in Shoreham Airport, UNITED KINGDOM

Roads, railways and airports are the largest source of transportation noise and frequently effects development land for houses, schools and hospitals. Noise sensitive developments adjacent to or affected by transportation noise require the careful assessment of these sources, either by measurement or prediction and often both. This assessment enables the correct specification of the building envelope (walls, windows, ventilators and roofs) to achieve appropriate internal noise levels in new developments. Here social housing providers are often at the forefront of providing superior internal ambient noise climate for their tenants and require precise specification of glazing and ventilation systems. New or altered forms of transportation sources near to existing noise sensitive sites also require careful assessment to minimise impact.

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