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Contractors - Engineers - Building Inspectors - Architects Great for the user who just wants to load and go. Just insert the CD and the Menu will automatically load, giving you instant access to more hundreds of pages of training and reference materials and bonus software! NOISE AND VIBRATION CONTROL Technical Manual on CD Vibration Criteria In Building Sound Pressure Level in a Room Sound Transmission Loss (TL), Noise Reduction (NR) & Sound Transmission Class (STC) Transmission Loss-Walls, Doors, Windows Transmission Loss of Floor-Ceiling Combinations Reception of Outdoor Noise Indoors Combined Effects, Sample Calculation Outdoor Sound Problem and Analysis Air Distribution Noise for Heating, Ventilating and Air Conditioning SYSTEMS General Spectrum Characteristics of Noise Sources Specific Characteristics of Noise Sources Control of Fan Noise in a Duct Distribution System . Procedure for Calculating Noise Control Requirements for an Air Distribution System Tables of Recommended Vibration Isolation Details Vibration Isolation-Miscellaneous Mechanical Noise Specifications Mufflers and Duct Lining for Ducted Ventilation System NOISE AND VIBRATION MEASUREMENTS Sound and Vibration Instrumentation Measurement of Noise and Vibration in Buildings Measurement of Noise and Vibration Outdoors C. SOUND LEVEL DATA FOR MECHANICAL AND ELECTRICAL EQUIPMENT Approximate Sensitivity and Response of People to Feelable Vibration Vibration Criteria for Damage Risk to Buildings Vibration Criteria for Sensitive Equipment in Buildings Vibration Acceleration Levels of a Large Vibrating Surface that Will Produce Radiated Sound Levels Into a Room Approximating the Sound Levels of the NC Curves Improvement in Transmission Loss Caused by Air Space Between Double Walls Compared to Single Wall of Equal Total Weight, Assuming no Rigid Ties Between Walls Natural Frequency of a Double Wall With an Air Space Schematic Illustration of Flanking Paths of Sound Typical Floating Floor Construction Suggested Applications and Details of Floating Floors for Improvement of Airborne Sound Transmission Loss Structureborne Flanking Paths of Noise (Paths 2 and 3) Limit the Low Sound Levels Otherwise Achievable With High-TL Floating Floor Construction (Path 1) Inverse Square Law of Sound Propagation Effects of Temperature Gradients on Sound Propagation Outdoor Sound Propagation Near the Ground Parameters and Geometry of Outdoor Sound Barrier Examples of Surfaces That Can Reflect Sound Around or Over a Barrier Wall Compound Barriers Edge Effects at End of Barrier Elevation Profile of Cooling Tower Used in Example Good and Poor Air Delivery Conditions to Air Outlets Plan View of Supply Duct for Example Suggested Arrangement of Ribbed Neoprene Pads for Providing Resilient Lateral Restraint to a Spring Mount Schematic of Vibration Isolation Mounting for Fan and Drive-Assembly of Propeller-Type Cooling Tower Schematic of a Resilient Clamping Arrangement With Ribbed Neoprene Pads Approximate Electrical Frequency Response of the A-, B-, and C-Weighted Networks of Sound Level Meters Transmissibility of a Simple Undamped Single Degree-of-Freedom System Sound Pressure Levels of Reciprocating Compressors at 3-ft. Distance Sound Pressure Levels of Centrifugal Compressors at 3-ft. Distance Sound Pressure Levels of Pumps at 3-ft. Distance C-li Sound Pressure Levels of Air Compressors at 3-ft. Distance Sound Pressure Levels of TEFC Motors at 3-ft. Distance Sound Pressure Levels of DRPR Motors at 3 ft. Distance Category Classification and Suggested Noise Criterion Range for Intruding Steady-State Noise as Heard in Various Indoor Functional Activity Areas Speech Interference Levels (SIL) That Permit Barely Acceptable Speech Intelligibility at the Distances and Voice Levels Shown Reduction of SPL (in dB) in Going From Normalized 3-ft. Distance and 800-ft.2 Room Constant to Any other Distance and Room Constant REL SPL Values for a Range of Distances “D†and Room Constants “Râ€, for Use With PWL Data Sound Absorption Coefficients of General Building Materials and Furnishings Low Frequency Multipliers For Room Constants Summary of Data and Calculations Illustrating Use of Equation Summary of Data and Calculations Illustrating Use of Equation Wall or Floor Correction Term “C†for Use in the Equation NR TL + “C†Transmission Loss (in dB) of Dense Poured Concrete or Solid-Core Concrete Block or Masonry Transmission Loss (in dB) of Hollow-Core Dense Concrete Block or Masonry Transmission Loss (in dB) of Cinder Block or Other Lightweight Porous Block Material with Impervious Skin on Both Sides to Seal Pores Transmission Loss (in dB) of Dense Plaster Transmission Loss (in dB) of Stud-Type Partitions Transmission Loss (in dB) of Plywood, Lumber, and Simple Wood Doors Transmission Loss (in dB) of Glass Walls or Windows Transmission Loss (in dB) of Typical Double-Glass Windows, Using ¼-in.-Thick Glass Panels With Different Air Space Widths Transmission Loss (in dB) of a Filled Metal Panel Partition and Several Commercially Available Acoustic Doors Approximate Transmission Loss (in dB) of Aluminum, Steel and Lead Transmission Loss (in dB) of Type 1 Floor-Ceiling Combinations Transmission Loss (in dB) of Type 2 Floor-Ceiling Combinations Transmission Loss (in dB) of Type 3 Floor-Ceiling Combinations Transmission Loss (in dB) of Type 4 Floor-Ceiling Combinations Molecular Absorption Coefficients, dB per 1000 ft., as a Function of Temperature and Relative Humidity Values of Anomalous Excess Attenuation per 1000 ft. Distance Term (DT), in dB, to a Distance of 80 ft. Distance Term (DT), in dB, at Distances of 80 ft. to 8000 ft. Insertion Loss for Sound Transmission Through a Growth of Medium-Dense Woods Insertion Loss of an Ideal Solid Outdoor Barrier Approximate Noise Reduction of Typical Exterior Wall Constructions Location “A†Cooling Tower Problem Location “B†Cooling Tower Problem Plenum/Ceiling Transfer Factor Approximate Natural Attenuation in Unlined Sheet-Metal Ducts Representative IL Values for Sound Attenuators General Types and Applications of Vibration Isolators Vibration Isolation Mounting for Centrifugal and Axial-Flow Fans Vibration Isolation Mounting for Reciprocating Compressor Refrigeration Equipment Assembly Vibration Isolation Mounting for Rotary Screw Compressor Refrigeration Equipment Assembly Vibration Isolation Mounting for Centrifugal Compressor Refrigeration Equipment Assembly Vibration Isolation Mounting for Absorption-Type Refrigeration Equipment Assembly Vibration Isolation Mounting for Boilers Vibration Isolation Mounting for Centrifugal-Type Cooling Towers Vibration Isolation Mounting for Motor-Pump Assemblies Vibration Isolation Mounting for Steam-Turbine-Driven Rotary Equipment Vibration Isolation Mounting for Transformers Vibration Isolation Mounting for One- or Two-Cylinder Reciprocating-Type Air Compressors in the 10- to 100-hp Size Range Sample Sound Pressure Level Specification Sample Sound Power Level Specification Bandwidth and Geometric Mean Frequency of Standard Octave and 1/3 Octave Bands Suggested Schedule for Estimating Relative Vibration Isolation Effectiveness of a Mounting System Sound Pressure Levels (in dE at 3-ft. Distance) for Packaged Chillers with Reciprocating Compressors Sound Pressure Levels (in dE at 3-ft. Distance) for Packaged Chillers with Rotary Screw Compressors Sound Pressure Levels (in dE at 3-ft. Distance) for Packaged Chillers with Centrifugal Compressors Sound Pressure Levels (in dB at 3-ft. Distance) for Absorption Machines Sound Pressure Levels (in dE at 3-ft. Distance from the Front) for Boilers Sound Pressure Levels (in dE at 3-ft. Distance) for High-Pressure Thermally Insulated Steam Valves and Nearby Piping Frequency Adjustments (in dE) for Propeller-Type Cooling Towers Frequency Adjustments (in dE) for Centrifugal-Fan Cooling Towers Correction to Average SPLs for Directional Effects of Cooling Towers Approximate Close-In SPLs (in dB) Near the Intake and Discharge Openings of Various Cooling Towers (3- to 5-ft. Distance) Overall and A-Weighted Sound Pressure Levels (in dB and dE(A) at 3-ft. Distance) for Pumps Frequency Adjustments (in dB) for Pumps Specific Sound Power Levels Kw (in dE), Blade Frequency Increments (in dB) and Off-Peak Correction for Fans of Various Types, for Use in Equation C-S Approximate Octave-Band Adjustments for Estimating the PWL of Noise Radiated by a Fan Housing and its Nearby Connected Duct Work Sound Pressure Levels (in dE at 3-ft. Distance) for Air Compressors Frequency Adjustments (in dE) for Casing Noise of Reciprocating Engines Frequency Adjustments (in dB) for Turbocharger Air Inlet Noise Frequency Adjustments (in dE) for Unmuffled Engine Exhaust Noise Overall PWLs of the Principal Noise Components of Gas Turbine Engines having no Noise Control Treatments Frequency Adjustments (in dE) for Gas Turbine Engine Noise Sources Approximate Noise Reduction of Gas Turbine Engine Casing Enclosures Approximate Directivity Effect (in dB) of a Large Exhaust Stack Compared to a Nondirectional Source of the Same Power Frequency Adjustments (in dE) for TEFC Electric Motors Frequency Adjustments (in dE) for DRPR Electric Motors . Sound Pressure Levels (in dB at 3 ft distance) for Steam Turbines Approximate Sound Pressure Levels (in dE at 3-ft. Distance) for Gears, in the 125-through 8000-Hz Octave Bands, from Equation Approximate Overall PWI (in dE) of Generators, Excluding the Noise of the Driver Unit Frequency Adjustments (in dE) for Generators Without Drive Unit Octave-Band Corrections (in dE) to be Used in Equation C-17 for obtaining PWL of Transformers in Different Installation Conditions A comprehensive manual of noise and vibration control on CD This is a CD republication of a U.S. government publication. The documents contained on the CD are in the public domain. The CD is protected by U.S. and International copyright laws. ©2003-2006 by MSI International, Inc. This is a CD republication of a U.S. government publication. The documents contained on the CD are in the public domain. The CD is protected by U.S. and International copyright laws. ©1999-2006 by MSI International, Inc. Brought to you by Best Inspectors Network (please look at our rules and privacy policy) |
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