Operators of air compressors, generators and hydraulic equipment spend their entire workday in and around equipment. An environment that provides for reduced noise levels increases operator effectiveness and improves output. The major noise sources in fluid handling, air handling, and power generation equipment are the engine, drive train, and accessory systems, such as, compressors, hydraulic units, and generation systems. This sound radiates throughout the environment and affects operators, bystanders, nearby businesses, and individuals.
For over 20 years we have helped equipment manufacturers of all sorts solve their noise problems. Our professional staff is ready, willing, and able to help you solve the noise control challenges that are unique to your product. We’ll get you the right products when you need them and provide the best value in the process.
The following information addresses common sources of fluid handling, air handling and power generation equipment noise problems and some common solutions. Remember these are generic problems and solutions and we recognize that each manufacturer may have unique issues and concerns. We welcome these challenges and are more than happy to help you find a solution that best fits your needs.
Most unwanted noise is generated by components housed in the engine enclosure. This may be turbo whine, engine noise (Diesel and Gas), hydraulic pumps, generators, or compressors. Sound can manifest itself as either structure borne or air borne noise.
Structure borne noise is caused by vibrations from the different components. The vibrations can cause structures such as wheel wells or sheet metal to resonate. Initial design can control a large portion of this problem. Properly balanced and aligned components will minimize the amount of vibration transmitted to other elements of the system. The remaining vibration can be controlled using damping materials. The preferred method of controlling residual structure borne noise is to isolate the cause of the vibration through the proper use of isolation mounts or vibration isolation pads. Vibration damping material can then be applied to the enclosure panels and other components to change the resonance of the structures and eliminate the remaining vibrations.
Air borne noise can be reduced through proper design elements and acoustical treatments. The primary consideration in design to reduce air borne noise is to make sure that all air paths, in or out of the enclosure, are tortuous. This eliminates line of sight noise transmission. Another design consideration is to ensure that all doors and access panels are properly fitted and gasketed to provide a complete seal. As little as 10% untreated surface area will reduce the effectiveness of acoustical treatments by up to 50%. All interior surfaces of the enclosure should be treated using the proper acoustical absorber or absorber/barrier composites. Absorber materials absorb the sound waves and thus reduce reverberation and noise within the engine enclosure. Absorber/barrier composites stop the transmission of sound and reduce the amount of noise transmitted through the enclosure.
System Enclosure Acoustical Treatment Examples
Barrier Composite - VBFF-321-41-UB-94 or VBFF-321-41-AR-94
Absorber Material - AF-021-40-UB-92 or AF-021-40-AR-92
Vibration Damping Material – VIBRADAMP DM-100, DM-200, or DM-300
A wide variety of facing materials are readily available to meet your particular requirements for acoustics, durability, environment, and aesthetics.
Technicon Industries will help you solve the noise control challenges that are unique to your fluid, air or power equipment.
We design and manufacture to order a complete line of sound absorbers, barriers and vibration damping materials used alone or in composite laminations.
You’ll find our staff eager, responsive, and easy to do business with. We’ll get what you need when and where you need it, at competitive prices.
We’d appreciate an opportunity to earn your business.
For a quote or additional information, please phone, fax, or e-mail your inquiry today.
Telephone: 704-788-1131
Fax: 704-788-7772
E-mail: sales@tcnind.com |