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FrancoAngeli Journals

Technical notes

Vol. 48 No. 1 (2024)

Comparing acoustic models with measured noise sources in complex industrial plants – Ammonia production units

DOI
https://doi.org/10.3280/ria1-2024oa17462
Submitted
marzo 12, 2024
Published
2024-07-22

Abstract

Industrial plant noise control design is currently supported by acoustic modelling. The process of fine-tuning this modelling allows for a progressive check of the overall noise control design plan, from design stage, when acoustic data declared or guaranteed by equipment manufacturer have been acquired and noise reduction systems have been planned, to as built situation, when the plant is in operation. Like for other engineering sectors, modelling of outdoor sound field of industrial plants covers the whole project: at the beginning to set up the environmental impact assessment, during the design to follow the suitability of the supplies and plan mitigation systems, after the plant startup to make available an actual tool useful for controlling the equipment aging, for planning future refurbishments or for the design of further similar plants. In detail, after the setup of a sound sources list, used to obtain a preliminary noise model, the execution of field noise measurements, representing the actual situation, gives additional information to achieve the final sound sources balancing and, as final step, the development of the calculated in-plant noise map matching with the measured one.

References (including DOI)

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