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Attenuation and Speed of Sound - Air Humidity and Frequency

Speed and attenuation of sound at varous frequencies and air humidities

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Attenuation and speed of sound in air varies with the frequency of the sound and the air humidity.

Attenuation

Sound attenuation in humid air

Speed of Sound

Speed of Sound in humid air

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Related Topics

Acoustics - Room acoustics and acoustic properties - decibel A, B and C - Noise Rating (NR) curves, sound transmission, sound pressure, sound intensity and sound attenuation
Noise and Attenuation - Noise is usually defined as unwanted sound - noise, noise generation, silencers and attenuation in HVAC systems

Related Documents

Acoustic Calculation of Ventilation Systems - Procedure for acoustic noise calculation of ventilation systems
Directivity Coefficient and Sound Attenuation - Room attenuation depends on location of source and receiver - and the room constant
Elevation - Temperature, Pressure and Speed of Sound - Speed of sound, temperature and pressure at different altitudes
Gases - Velocity of Sound - Speed of sound in gases
Noise Attenuation in a Chamber - Chamber noise attenuation
Propagation of Outdoor Sound - Partial Barriers - The transmission of sound through and around outdoor barriers - the Fresnel Number
Propagation of Sound Outdoors - Outdoor propagation of sound - distance and attenuation
Room Attenuation in Direct Sound Fields - Room size - absorption characteristics and attenuation in direct sound fields
Seawater - Attenuation of Sound - Seawater and attenuation of sound
Sound - Frequency, Wavelength and Octave - An introduction to the nature of sound - frequency, wavelength and octave
Sound Attenuation - Main Duct to Branch Ducts - Sound attenuation from main duct to branch ducts
Sound Attenuation in Duct Elbows - Noise attenuation in duct elbows are caused by reflected sound
Sound Attenuation of Lined Sheet-Metal Ducts - Sound attenuation in rectangular straight, lined, sheet metal ducts
Sound Transmission through Massive Walls or Floors - Sound attenuation in building elements like massive concrete walls or floors
Sound Transmissions through Flanking Paths - Noise and sound transmitted through duct walls, through floors or through ceilings
Velocity of Sound Formulas - Calculate velocity of sound - sonic velocity - in gases, fluids or solids
Velocity of Sound in Air - Velocity of sound in air at temperatures from -40 to 1000^oC (-40 to 1500^oF) at standard atmospheric pressure - Imperial and SI Units
Velocity of Sound in Liquids - Velcocity of sound in some common fluids - like water, glycerol, kerosene ...
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Velocity of Sound in Water - Velocity of sound in water at temperatures ranging 32 - 212^oF (0 - 100^oC) - Imperial and SI units

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en: air speed sound attenuation humidity frequency

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Engineering ToolBox, (2019). Attenuation and Speed of Sound - Air Humidity and Frequency. [online] Available at: https://www.engineeringtoolbox.com/air-speed-sound-attenuation-humidity-frequency-d_2161.html [Accessed Day Mo. Year].

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