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National Repository of Grey Literature 2 records found  Search took 0.03 seconds. 
The application of low noise barriers in SŽ conditions
 Slepánková, Aneta ; Pazdera, Luboš (referee) ; Smutný, Jaroslav (advisor)
The main aim of my bachelor thesis was to describe the problem of noise spread and its further reduction by low noise barriers in rail transport. A partial aim was to analyse the given issue and to investigate individual possibilities in the Czech Republic and abroad. The following step was to build a suitable acoustic model for the selected location and simulate the acoustic situation with different types of low noise barriers. An important part of the thesis is to summarise the results and suggest possible solutions for the Railway Administration.
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Effect of speed mobile power resources on the sound level
 SKALIČKA, Jiří
The thesis is focused on evaluating of noise pollution environment of mobile energy devices of various classes with respect to the speed of mobile the energy resource. The first part oft eoretical research focuses on the physical properties of noise and effect on people. The second part describes the reasons for noise, its intensity at the mobile energy resources with its average values. In the practical part are performed measurement of noise emissions with the surrounding environment. There is suggested measures to reduce the noise level, ventually there is recommended optimal operating speed movement of vehicles.
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