noise calculation Articles

  • Current Trends in Environmental Noise Calculation Software in Europe

    Introduction This paper briefly describes the state of the art of development of environmental noise calculation software in Europe, concentrated on the following areas: • The Harmonoise and Imagine projects and the Good Practice Guide on Strategic Noise Mapping • The role of combining measurements and calculations for more flexible problem solving • Uncertainty: qualitative methods ...

  • Quality Assurance of Environmental Noise Calculation Methods in Software

    When determining the uncertainty of an environmental noise calculation result, assessment of the quality of the implementation of the method used in the software is required. Here, Nordtest Method Framework for the Verification of Environmental Noise Calculation Software ACOU107 (2001) may prove useful. Although developed for Nordic calculation it can, in principle, be applied to all other ...

  • Canarina CUSTIC software · noise calculation · algorithms 3

    In a road case, we shall consider several points.  We shall consider a minimum number of 1000 vehicles per hour N with a 50km/h minimum velocity (100km/h is the maximum velocity). Then we have a 68 dB(A) noise level at 10m from a lineal road (infinity length). The noise level will be,   ...

  • Even Better Environmental Noise - Calculation Software

    Brüel & Kjær’s Prediction Partnership now moves into a new phase with the founding of Softnoise. To celebrate this, we release new versions of the software. Softnoise Originally, Predictor™ Type 7810 was developed solely by DGMR, and Stapelfeldt developed Lima™ Type 7812. Now, DGMR and Stapelfeldt have created a common company, Softnoise, to jointly develop and support both ...

  • Noise Calculation Software noise3D online Release 2

    Sankt Augustin, Germany – Sonja Christiansen Informatk GmbH is announcing Release 2.0 of the web enabled noise calculation solution noise 3D online™, a first in 3D noise prediction online services. If you need to predict or map noise levels in the industrial environment and require an affordable tool noise 3D online may be the solution. ...


  • Integrated noise calculation and evaluation according to the EU directive on environmental noise

    The model data for acoustic calculations already contains essential characteristics for more in depth evaluation of the results (i.e. building heights, number of storeys, or ground space per storey). With additional information such as building usage and number of inhabitants, the evaluation and graphical representation of the results can be completed with only a small increase in expense. ...


    By SoundPLAN International LLC

  • Fuel preparation technology – the latest safety considerations

    The specifications for new fuel preparation technologies are becoming increasingly sophisticated, as industry innovation continues apace. But when it comes to investing in waste shredders that help manufacture cement fuels, which criteria should top the procurement wish-list in 2018? With more than 25 years’ experience in this sector, Peter Streinik, head of UNTHA’s waste shredding ...


    By UNTHA Shredding Technology

  • Noise at Work, Workplace Noise and Issues with Noise

    Noise at Work Regulations to Control Workplace Noise The Control of Noise at Work Regulations (2005) became effective in 2006.  The Regulations are relevant to all employers who operate a noisy workplace and should be an integral part of any health and safety strategy.  ...


    By Pulsar Instruments plc

  • Noise Measurement

    Definitions Threshold and criterion levels The threshold level is the A-weighted sound level at which a personal noise dosimeter begins to integrate noise into a measured exposure. For example, if the threshold level on a sound level meter is set at 80 decibels (dB), it will capture and integrate into the computation of dose all noise in the employee's hearing zone that equals or exceeds 80 dB. ...


  • Environmental Noise

    Introduction The ability to hear sounds is a sensory function vital for human survival and communication. However, not all sounds are wanted. 'Unwanted sounds', for which the term 'noise' is normally used, often have their origin in human activities (mainly transport, industry and households). This article addresses environmental noise ­ also referred to in the scientific literature as ...

  • Controlling Exposure to Noise at Work with Personal Noise Dosimeters

    Which method is best to monitor noise: sound level meter or noise dosimeter? Controlling exposure to noise at work with noise dosimeters Our work environment has been transformed since the 1970’s with the introduction of new machinery and technical equipment designed to improve and increase general productivity. This has revolutionalised the way we operate ...


    By Pulsar Instruments plc

  • Urban Noise Monitoring in Madrid

    Dynamic mapping helps Madrid improve the quality of life for her citizens and visitors alike. With its 3 000 000 inhabitants and 2500 km of streets, Madrid is an excellent example of what can be done to improve human comfort related to urban noise. Since the late 60s, Madrid City Council has been working on noise problems. During this period, global environmental analysis has focused on how ...

  • Noise Mapping in Lille

    Lille, with a population of 1091 million inhabitants is the 4th largest agglomeration in France after Paris, Lyon, and Marseille. Situated at the heart of a network of 464 km motorways connecting six European cities (Brussels, Bonn, the Hague, London, Luxembourg and Paris), the metropolis of Lille also has the densest railway network of France after Paris. Pascal Thomas and his team of 8 ...

  • Noise mapping of roads in England

    Landmark Solutions, the UK provider of geospatial information, solutions and services, was selected by DEFRA as the prime contractor to carry out noise mapping for the Potteries area of the West Midlands. This work forms part of the Government’s National Ambient Noise Strategy (NANS), part of which is focused on mapping noise levels from roads, railways, aircraft and industrial sites across ...


    By Landmark Information Group

  • Industrial Noise Control Services

    Industrial Noise Control Studies Study different equipment noise and recommend suitable noise insulation. This include diesel generators, gas turbines, compressors, pumps, fans, chillers, factory machineries, traffic noise,...etc. Our evaluations and recommended solutions meet general guidelines and practices of international standards and nroise laboratories such as ...

  • Environmental Noise (Booklet)

    About this booklet This booklet deals with environmental noise − for example, noise from industrial sites, road and rail traffic, airports and fairgrounds. It does not cover related issues such as building acoustics, building vibration or domestic noise. Neither does it cover human response to vibration nor industrial uses of sound and vibration measurements. Please contact ...

  • That air conditioner noise is annoying!

    The sound of the HVAC System in your office or factory may be annoying depending on who you ask; the person who has to live with it, or the person who has to pay for it. To measure background noise levels objectively, we use Noise Curves. International standards organizations (ISO, ANSI and ASA) recognize the need to objectify judgements on the amount of ambient noise in enclosed ...


    By NTi Audio AG

  • Measuring Road Traffic Noise

    As part of an overall measurement programme to monitor road traffic noise in Århus (Denmarks second largest city), the Local Authority set up a noise measurement station on one of the major approach roads to Århus Harbour. This noise measurement station continually measures noise levels and can give a round-the-clock picture of noise level variations. Like most other districts, Århus Local ...

  • Weak–field low–temperature currents calculated by one–particle self–consistent calculation

    Use of r–space one–particle self–consistent (SC) calculation may predict very–low–temperature currents under near–flatband–mode conditions over channels of MOSFET devices. The r–space one–particle SC band bending implemented by directed Hamiltonian–cycle algorithms leads to near–flatband–mode currents at temperatures lower than 77°K. Optimising the directed Hamiltonian–cycle graph by the ...


    By Inderscience Publishers

  • Procedures to analyse noise maps in connection with noise action plans

    After finishing of the noise mapping of the European Noise Directive1” the noise action planning follows. This part of the END-projects concerns with measures for noise reduction in general and in detail and information and collaboration of the public. In this process a huge amount of measures and alternatives accumulates. Therefore automatic working tools for evaluation of the measures and ...


    By SoundPLAN International LLC

Need help finding the right suppliers? Try XPRT Sourcing. Let the XPRTs do the work for you