Study on mechanics of bodies under the action of sound pollution in industrial halls. Part II: Analysis of sound pressure inside the hall

7th International Conference on Advanced Concepts in Mechanical Engineering

Arghir, M.^1 ; Lpuan, I.L.^2

Department of Mechanical Engineering Systems, Technical University of Cluj-Napoca, Faculty of Building Machines, Romania^1

Department of Mechanical Engineering Systems, Technical University of Cluj-Napoca, Cluj-Napoca, Romania^2

关键词: Acoustic pressures;    High capacity;    Industrial parks;    Industrial product;    Noise source;    Simultaneous operation;    Sound pollution;    Sound pressures;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/147/1/012094/pdf
DOI  :  10.1088/1757-899X/147/1/012094

来源: IOP

【 摘 要 】

In this work, it is taking into account all these phenomena of sounds propagation in given space. Within the framework of the given research is a study in industrial park "Teraplast" from Bistria-Nsud county. This is industrial products for pvc constructions. From the submissions made to the workshops of processing industrial park "Teraplast" has been found, that noise is produced mainly in the power pumps hall. The registrations were made during a normal working days. The recorders made, for one minute, with recorder (NL32, Japanese society RION) in the pump's hall 12 positions were introduced in a high- capacity computer. This second part of the paper contains a natural continuation of the study conducted in the first part. Through the composition of sound waves for each pump in part according to the construction of the hall, gives the sound field generated by sources of power pumps during simultaneous operation. Field of noise sources inside the hall of power pumps determines an acoustic pressure on the walls of the hall. Taking into consideration the frequencies that are threatening the construction of the hall, will be presented successively acoustic pressure what special expertise to the hall walls the pressures of 230Hz, 350Hz, 800Hz and 1400Hz. This study is important for the acoustic pressure made from the "Teraplast" enterprise inside, and outside the halls.