The use of computer models for the assessment of environmental noise levels has been in wide spread use since the late 1980s. Today, computer noise modelling is used extensively to determine the level of impact, design of mitigation measures, extent of compensation and number of people
exposed to strategic schemes on the national transport networks. The outcome of the models is used as the basis for key design decisions and may have extensive financial implications. Once the results of the noise calculations have been developed, it is becoming increasingly common to undertake
some form of validation exercise to cross reference the calculated levels with measurements. In order to reduce uncertainty in the evaluation data it is necessary to capture the dynamic elements of the situation during the noise level measurement campaign. Based upon the results of the monitoring,
the long-term noise level measurements may then be analysed with reference to the source data and meteorological data in order to establish a stratified set of measurement windows. The dynamic elements may be introduced into the calculation model, to enable the model to replicate the situation
during the measurement windows, creating a series of meta-models. The results from the calculations of each of these meta-models may then be compared with the noise measurement results as the basis for the validation study. This paper presents an overview of a verification project undertaken
recently within the context of the EC funded project "Technical Assistance for Implementation Capacity for the Environmental Noise Directive" (EuropeAid/131352/D/SER/TR) in Turkey where such a process was followed.
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Document Type: Research Article
Acustica Ltd, United Kingdom
December 7, 2017
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The INTER-NOISE and NOISE-CON congress and conference proceedings is a collection of the presented papers. The papers are not peer reviewed and usually represent a synopsis of the material presented at the congress or conference.
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