Basic Documentation

Index
116 Siemens Building Technologies, Inc.
Laboratory Elements, 45
Laboratory Room Ambient Sound, 89
Laboratory Room Sound Analysis, 88
Linings, 102
N
NC and RC Curves, Tabular Listing, 107
NC Curve, 108
NC Curves, 17
O
Octave Bands, 13
Organization of Guide, I
P
Passive Sound Attenuation Devices, 102
Perforated Diffuser, 83
Plenums, 48
Purpose of this Guide, I
R
Radiated Sound, 91
Radiated Sound Attenuation, 66
RC Curve, 109
RC Curves, 18
Rectangular Acoustically Lined Sheet Metal
Ducts, 54
Rectangular Unlined Sheet Metal Ducts, 51
Rectangular Unlined, Externally Insulated, Sheet
Metal Ducts, 53
Reference Materials, II
Reheat Terminal, 82
Round Acoustically Lined Sheet Metal Ducts, 58
Round Unlined Sheet Metal Ducts, 58
S
Scope of This Guide, 1
Send Comments, III
Sound Analysis Worksheet, 110
Sound Attenuation Devices, 102
Sound Breakout and Break-in, 45
Sound Measurement Instrumentation, 105
Sound Measurement Parameters, 8
Sound Measurement Procedure, 105
Sound Measurement Worksheet, 111
Sound Power Level, 8
Sound Pressure Level, 11
Sound Wave Parameters, 6
Sound Wave Propagation, 5
Sources of Sound in HAVC Systems, 23
Space Effect, 65, 83
Step 1. Actual Operating Conditions Increase,
26, 68
Step 1. Measure Existing Sound Pressure, 20
Step 2. Blade Frequency Increment (BFI), 27,
29, 69
Step 2. Mark Average Sound Pressure, 21
Step 3. Efficiency Correction, 27, 29, 69
Step 3. Plot Curve of Octave Band, 21
Symbols, III
T
Terminal Equipment, 99
Terminal Radiated Sound -Example Analysis, 90
Terminal Radiated Sound -Example Analysis 2,
94
U
U (Velocity Factor)
Damper Airflow Noise, 31