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- W2899011954 abstract "The article is devoted to the general acoustic system of the diesel locomotives which is a combination of the diverse noise and vibration sources creating the increased levels of the sound pressure in the workplaces of the machinists and locomotive crews. Factually, the sound field at the calculated points is created by the simultaneous action of the air and structural noise component sources. It is included the emitters to the sources of the air noise component which inboard the body structures and, accordingly, emit sound energy into the closed air volumes. And it is the sources which are set externally in particular the “wheel-rail” subsystems. It can be assumed that among the internal sources the maximum sound power is radiated by the power system namely by the internal combustion engines. For different types of the diesel locomotives, the setting of the internal combustion engines has significant differences to the work places of the locomotive crews. Therefore, this article considers four computational schemes for the diesel locomotive, obtains the analytical dependences of the sound pressure levels and reduces to the convenient form for engineering calculations at the design stage of the research objects. To reduce the noise source of the internal combustion engine while it is appearing in the conditions of the machine-building processes is almost impossible. Moreover, the main practical and technological feasible ways are to choose sound-absorbing materials and achieve sound insulation based on the existing sanitary noise standards." @default.
- W2899011954 created "2018-11-09" @default.
- W2899011954 creator A5041462006 @default.
- W2899011954 date "2018-01-01" @default.
- W2899011954 modified "2023-10-16" @default.
- W2899011954 title "On the issue of formation the air noise component at workplaces of the diesel locomotives crews" @default.
- W2899011954 doi "https://doi.org/10.1051/matecconf/201822402024" @default.
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