N2 - In spite of the fact that standardizing operations and increased awareness of hazards led to a significant improvement of vibroacoustic climate of operator’s stands of new machines, their long-term operation - often under difficult conditions - leads to a fast degradation of acoustic qualities of machines. Temporary operations performed during surveys and periodical overhauls are rarely effective, due to the lack of any guidelines. In this situation the authors propose the algorithm for selection of eventual screens or sound absorbing and sound insulating partitions, utilizing the measuring procedure aimed at identification, at the operator’s stand, of main noise components originated from various sources. On the basis of this procedure, the vibroacoustic energy propagation paths in the machine was estimated. L1 - http://www.czasopisma.pan.pl/Content/101551/PDF/04_paper.pdf L2 - http://www.czasopisma.pan.pl/Content/101551 PY - 2013 IS - No 4 EP - 478 DO - 10.2478/aoa-2013-0056 KW - noise and vibration KW - propagation path KW - coherence function A1 - Dąbrowski, Zbigniew A1 - Dziurdź, Jacek A1 - Pakowski, Radosław PB - Polish Academy of Sciences, Institute of Fundamental Technological Research, Committee on Acoustics VL - vol. 38 DA - 2013 T1 - Selection of Sound Insulating Elements in Hydraulic Excavators Based Onidentification of Vibroacoustic Energy Propagation Paths SP - 471 UR - http://www.czasopisma.pan.pl/dlibra/publication/edition/101551 T2 - Archives of Acoustics