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Louvre Directivity (SRL Method)    1/1

Strutt|Directivity|Louvre/Opening Directivity inserts louvre directivity values obtained using the SRL method into the active row of the spreadsheet.

The calculation performs simultaneous double interpolations in Fig 11.2 of the SRL Noise Control in Mechanical Services book to determine the directivity of the louvre in the horizontal and vertical directions. The horizontal and vertical directivity components are arithmetically added to give the total louvre directivity.

Note that these louvre directivity values assume hemispherical radiation.

Reference: SRL Mech Services Book

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