BİLGE AKUSTİK
Noise and Vibration Control Engineering
“I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettier shell than ordinary, whilst the great ocean of truth lay all undiscovered before me.”
Generators and Co-generators
In existing structures; Noise sources such as cooling fans, air conditioning systems, air ducts, generators, cogeneration systems, trigeneration systems, booster pumps, blowers, compressors, combustion boilers, elevators, garbage chimneys inside or outside the building; The level of transmission to sensitive areas through common partition elements, mezzanine, ceiling and adjacent walls must be within legal limits.
Our company produces cogeneration and trigeneration systems, chillers and generators, in-room blowers, pressure tanks etc. for all devices, the working system of all machinery and equipment in the buildings, taking into account the maintenance and repair activities, to produce the relevant enclosures by designing them.
Bilge Akustik cabinets and enclosures can be used for the control of sound sources in all industrial applications. Standard and custom-designed enclosures have been developed for diesel driven generators, compressors, pumps, centrifugal fans, gas turbines and machine tools. Many cabinet-type enclosures are also designed and manufactured for use in industrial noise shields and offices.
Bilge Akustik's experience in cabin acoustics and aerodynamic design is the results of the literature studies, test results and projects it has brought to the industry over the years. Each cabin and enclosure project undergoes its own unique design work to deliver the optimum cabin type.
Detailed assessment includes:
airborne noise,
structural vibration,
noise levels to be reached,
Vibration levels to be met
ventilation systems
Machine maintenance access
cabinet and enclosure elements to include windows and interior lighting,
fire protection
finish elements
product quality standards
ease of installation
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Cabinet and enclosure structures; It is based on the designs developed by Bilge Akustik to reach the optimum balance between acoustic performance, structural stability, durability, nice appearance and economy.
The acoustic performance of small enclosures differs significantly from the performance of larger units made of the same material. In general, the acoustic insertion loss of small machine cabinets is much less than a full scale unit. This is because the sound source inside is usually larger than the outer casing, and the air trapped between the sound source and the enclosure creates a mass-spring system that resonates at certain low frequencies. To reduce this resonant frequency outside of the operating range, the mass per unit area of the enclosure or the gap between the enclosure and the sound source must be increased. However, if it is necessary to increase the sound loss at low frequencies by increasing the resonant frequency for an enclosure of a given weight, the mechanical stiffness of the enclosure must be increased. Also, to reduce the amplitude at any resonant frequency, the outer casing must be adequately damped with a properly selected material or by applying an additional damping compound to the boom. At higher frequencies, standing wave resonances can occur, which tend to reduce high frequency noise control, especially in the air gap inside the enclosure. These resonances can only be suppressed using sound absorbing linings.