Noise Shielding Efficiency in an Urban System

Walerian, E.; Janczur, R.

doi:10.1006/jsvi.1995.1439

Cited by 17 publications

(15 citation statements)

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“…When vehicles of a g-class move in a j-lane of a road with average speed m g j and flow rate N g j then the time-average sound level observed at a point P is given by [8][9][10]:…”

Section: Simulation Proceduresmentioning

confidence: 99%

“…As the investigation tool is applied the simulation program, which is based on the environmental noise model, prepared by the authors for densely developed area [8][9][10]. The environmental noise model is worked out based on point source radiation and interaction with obstacle elements causing reflection, transmission, and wedge diffraction.…”

Section: Introductionmentioning

confidence: 99%

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Application of simulation program to specific urban situation

Janczur¹,

Walerian²,

Meissner³

et al. 2009

Applied Acoustics

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“…When vehicles of a g-class move in a j-lane of a road with average speed m g j and flow rate N g j then the time-average sound level observed at a point P is given by [8][9][10]:…”

Section: Simulation Proceduresmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Application of simulation program to specific urban situation

Janczur¹,

Walerian²,

Meissner³

et al. 2009

Applied Acoustics

Self Cite

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“…It allows the road surroundings description with use of the following parameters (Walerian, 1995;Walerian, Janczur, 1998;Walerian et al, 1999b):…”

Section: Simulation Proceduresmentioning

confidence: 99%

Possible Improvement of Acoustical Climate Part I: Measurements and Theoretical Description

Walerian¹,

Janczur²,

Czechowicz³

et al. 2010

Archives of Acoustics

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In the paper, the simulation PROP5 program is used to predict the sound level in proximity of a road with defined surroundings. The simulation involves road geometry (number of lanes and their positions) and traffic structure (vehicle flow rates and their average speeds), with equivalent omnidirectional point sources representing vehicles. In Part I of the paper, the agreement between measurement and simulation results is tested to verify the accuracy degree of the applied models of a road, as a noise source and propagation throughout surrounding space. In Part II, using the pre-tested simulation program, the possibility of acoustic climate improvement has been analyzed.

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“…The simulation program PROP5 used here belongs to the family of simulation programs that are based on the environmental noise model, which has a source model and propagation model as independent parts (Walerian, 1995;Walerian, Janczur, 1998;Walerian et al, 1999b). The propagation space is a half-space with obstacles whose shapes could be modeled by a set of panels of defined acoustical properties, joined at proper angles.…”

Section: Introductionmentioning

confidence: 99%

Possible Improvement of Acoustical Climate Part II: Possible Solutions

Walerian¹,

Janczur²,

Czechowicz³

et al. 2010

Archives of Acoustics

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In the paper, the simulation PROP5 program with the road model defined as a noise source and road surroundings model, is used to predict the efficiency of noise protecting means for the chosen building. The appropriate models of verified accuracy have been chosen by comparison of the simulation results with field measurements (Walerian et al., 2010). Here, using the pre-tested simulation program, the possibility of acoustic climate improvement has been analyzed in the ranges of practical variations of the input parameters. The road parameters: its geometry (number of lanes and their positions) and traffic structure over lanes (vehicle flow rates and their average speeds) have been taken under consideration as changeable parameters, that could be corrected to obtain acoustical climate improvement. Moreover, an acoustical screen designing has been considered. The screen efficiency has been evaluated under conditions defined by the input parameters of the road and its surroundings.

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Noise Shielding Efficiency in an Urban System

Cited by 17 publications

References 0 publications

Application of simulation program to specific urban situation

Application of simulation program to specific urban situation

Possible Improvement of Acoustical Climate Part I: Measurements and Theoretical Description

Possible Improvement of Acoustical Climate Part II: Possible Solutions

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