Surface Transportation Noise and Its Control

noise emitted from motorcycle exhaust and its control

introduction: during the thirty years ago noise pollution increased quickly in the urbane communities that motorcycles are chief sources of noise. the objective of this study is reduction of noise emitted from motorcycle exhaust, applying engineering design. materials and methods: in this pre-experimental study, current condition of noise emitted from motorcycle exhaust and physical parameters ...

New Environment CREPE for Transportation Control and its Effectiveness

This paper discusses the control scheme for vehicle control for a future integrated transportation system forming a type of new generation of Intelligent Transportation SystemITS. The approach generally is focuses on the mechanisms for how to detect or estimate incidents on roads and to then communicate the information to each vehicle. The individual vehicular data is collected by using the Glo...

Insulating Buildings Against Transportation Noise

Transportation noise contains significant low frequency components. It is difficult to sound insulate buildings against transportation noise because wall cavities are only effective in increasing sound insulation above the mass-air-mass resonance frequency. Stud walls can also have a significant structural resonance in this low frequency range, although it is not yet clear if this is significan...

Mineland seepage and its control

Noise pollution and its control in textile industry

Hi gh noise level causes psychological e ffects and physical damage, including irritability, loss o f concentration, anxiety and increased pulse rate. A one minute exposure to a sound level over IOOdBA can cause permanent hearing loss. The studies show that a large number of textil e workers, especially weavers, suffer from occupational hearing loss. The machinery manufacturers made considerabl...