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Norm

ÖNORM S 5051

Issue date: 2017 07 01

Special regulations for the determination of sound power of cooling towers

This ÖNORM is applicable on wet and dry cooling towers in natural ventilation construction method or with auxiliary ventilation by fans as well as on cooling tower syste...
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This ÖNORM is applicable on wet and dry cooling towers in natural ventilation construction method or with auxiliary ventilation by fans as well as on cooling tower systems, which are composed of individual cells to large-scale units to apply. This standard creates together with ÖNORM EN ISO 3746 and ÖNORM EN ISO 3744 the prerequisite for the determination of noises (noise emissions) that are directly emitted from cooling towers to the surrounding air, so that the results can be determined and that the results are comparable.
ÖNORM S 5051
2017 07 01
Special regulations for the determination of sound power of cooling towers
Norm
ÖNORM S 5051
1989 12 01
Special regulations for the determination of sound power of cooling towers
Norm
Norm
ÖNORM EN ISO 3746
Issue date : 2011 03 01
Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Survey method using an enveloping measurement surface over a reflecting plane (ISO 3746:2010)