Question

A glass window has a thickness of 8.30 mm (0.327 in). Using the "approximate" method, determine the transmission loss as a function of frequency in octaves over the range from 63 Hz to 8000 Hz. Present the results in a table and as a graph of TL vs. frequency (log scale). TABLE 4-1 Values of the Plateau Height (TLp) and Plateau Width (Î”f) for the Approximate Method of Calculation of the Transmission Loss for Panels Material TLp (dB) Î”f (octaves) fz/fi Aluminum 29 3.5 11 Brick 37 2.2 4.5 Concrete 38 2.2 4.5 Glass 27 3.3 10 Lead 56 2.0 4 Masonry block 30 2.7 6.5 Cinder 32 3.0 8 Dense Plywood 19 2.7 6.5 Sand plaster 30 3.0 8 Steel 40 3.5 11 Source: Watters (1959)

          A glass window has a thickness of 8.30 mm (0.327 in). Using the "approximate" method, determine the transmission loss as a function of frequency in octaves over the range from 63 Hz to 8000 Hz. Present the results in a table and as a graph of TL vs. frequency (log scale).

TABLE 4-1 Values of the Plateau Height (TLp) and Plateau Width (Î”f) for the Approximate Method of Calculation of the Transmission Loss for Panels

Material TLp (dB) Î”f (octaves) fz/fi
Aluminum 29 3.5 11
Brick 37 2.2 4.5
Concrete 38 2.2 4.5
Glass 27 3.3 10
Lead 56 2.0 4
Masonry block 30 2.7 6.5
Cinder 32 3.0 8
Dense Plywood 19 2.7 6.5
Sand plaster 30 3.0 8
Steel 40 3.5 11

Source: Watters (1959)

a glass window has a thickness of 830mm 0327in using the approximate method determine the transmission loss as a function of frequency in octaves over the range from 63hz to 8000hz present t 51104

Added by Andrew A.

Question

Please give Ace some feedback