LFN Infrasound LFN sources Pumps Fans Boilers Ventilation
LFN, Infrasound
LFN sources Pumps Fans Boilers Ventilation plant Heavy industry Blasting and quarrying Electrical installations Road, rail, sea and air traffic Amplified music Cooling towers
The Dimensions of Noise q q 1. Frequency or level 2. Average Level v. Frequency (Spectrum) 3. Fluctuations with time 4. Subjective response Geoff Leventhall : ﻣﺮﺟﻊ
References 1. 2. 3. 4. 5. 6. 7. 8. 9. Geoff Leventhall, “What we know, what we do not know, and what we would like to know”, Journal of low frequency noise, vibration and active control, Vol. 28, No. 2, 2009. Geoff Leventhall, Peter Pelmear and Stephen Benton, “A Review of Published Research on Low Frequency Noise and its Effects”, 2003. Jeremy Bass, Geoff Leventhall, Malcolm Hayes, “Low Frequency Noise and Wind Turbines”, British wind energy association, 2007. Kathleen K. Hodgdon, Anthony A. Atchley, Robert J. Bernhard “Low Frequency Noise study”, 2007. Malcolm D Hayes, “Low Frequency Noise and Other Stories”, 2005. ISO 7196: 1995(E) “Acoustics – Frequency-weighting characteristic for infrasound measurements”. Epsilon Associates, “A Study of Low Frequency Noise and Infrasound from Wind Turbines”, 2009. Rasmussen, ‘Human Body Vibration exposure and its Measurement’ a research paper, 2005. Carel Ostendorf, “How to find the source of low frequency noise: three case studies”, Journal of low frequency noise, vibration and active control, Vol. 28, No. 1, 2009.
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