1. Problem description.
Aerodynamic noise is a common problem in many industrial and transportation sectors, and it is mainly caused by the vibration and noise caused by the interaction of air currents with objects. This noise not only affects people's living and working environments, but can also have a negative impact on hearing health. Therefore, it is important to develop an effective aerodynamic noise control plan.
Second, the governance plan.
1. Source control: controlling the generation of aerodynamic noise from the source is the most direct way to reduce noise. For industrial equipment, noise can be reduced by improving the design, optimizing the airflow path, reducing the airflow velocity, and more. For vehicles, noise can be reduced by improving engine design, optimizing aerodynamic layout, etc.
2. Silencer equipment: Setting up silencer equipment on the noise propagation path is an effective means to reduce aerodynamic noise. Anechoic devices can absorb, reflect, and interfere with sound waves, thereby reducing noise intensity. Common anechoic equipment includes anechoic chambers, anechoic windows, anechoic doors, etc.
3. Noise barrier: Setting up a noise barrier around the noise source can prevent the spread of noise. Noise barriers can be made of a variety of materials such as metal sheets, concrete slabs, plastic sheets, etc. At the same time, in order to improve the sound insulation, sound-absorbing materials can be added to the surface of the barrier.
4. Vibration reduction measures: Vibration is one of the root causes of aerodynamic noise. Therefore, noise generation and propagation can be reduced by taking measures to reduce vibration damping. Common measures for damping vibrations include installing shock absorbers on equipment or structures, using elastic supports, etc.
Third, the implementation process.
Once the governance plan has been identified, implementation should begin immediately. First of all, organize a professional team to evaluate and select the existing equipment and structure to ensure that the appropriate treatment plan is selected. Secondly, the design and installation of the muffler is carried out according to the equipment drawings, and the noise barrier and vibration damping measures are inspected and maintained to ensure their noise reduction effect. At the same time, strengthen communication and coordination with relevant departments to ensure the smooth progress of noise reduction.
Fourth, the effect of evaluation.
After a series of noise reduction measures, the intensity of aerodynamic noise should be detected. The results showed a significant reduction in the noise level in the workshop. If you need aerodynamic noise control, you can leave a message!