Sound Pressure Level


Sound Pressure Level (SPL) is a logarithmic measure of the sound pressure relative to a reference value. In the context of space and astronautical engineering, SPL is an important parameter to consider for designing spacecraft and launch vehicles. High SPL can cause structural damage to the spacecraft and can also affect the health of astronauts. Therefore, it is important to minimize the SPL during launch and other operations. The SPL is typically measured in decibels (dB) and is calculated using the formula: SPL = 20 log (p/p0), where p is the sound pressure and p0 is the reference pressure. In the space environment, the reference pressure is typically taken as 20 micropascals, which is the threshold of human hearing in space. The SPL can be reduced by using acoustic insulation, vibration isolation, and other techniques.


Your Previous Searches
Random Picks

  • Checksum: Checksum is a method used to detect errors in data transmission or storage. In the context of space and astronautical engineering, checksum is used to ensure the accuracy of data transmitted between spacecraft and ground stations or between ... Read More >>
  • Beryllium: Beryllium is a chemical element with the symbol Be and atomic number 4. It is a relatively rare element in the universe, usually occurring as a product of the spallation of larger atomic nuclei that have collided with cosmic rays. Beryllium ... Read More >>
  • Fuel Systems: Fuel systems refer to the components and processes involved in storing, transferring, and utilizing fuel in spacecraft and other astronautical vehicles. These systems are critical to the success of any mission, as they ensure that the vehic ... Read More >>
Top News

Orionids meteor shower is this weekend: Where and when to watch its peak...

Orionids meteor shower is this weekend: Where and when to watch its peakgo.com...

News Source: ABC News on 2024-10-18

Acting or hosting, Travis Kelce wants to continue to pursue a showbiz career. Bu...

Travis Kelce is the host of “Are You Smarter Than a Celebrity?”...

News Source: ABC News on 2024-10-09

Now is a great time to see Saturn in all its ringed glory...

My first sight of Saturn through a telescope inspired my love of space. Dig out your telescopes or visit your local astronomy club, and you may be lucky enough to spot our sixth planet's stunning thic...

News Source: New Scientist on 2024-10-09

Was Bruce Willis right? Could a nuclear blast save us from killer asteroid?...

Scientists simulated a nuclear explosion using x-ray pulses to push an asteroid-like rock away in space-like conditions....

News Source: Al Jazeera English on 2024-10-04

China's answer to SpaceX's Starlink is also threatening astronomy...

The first 18 satellites of a planned Chinese mega constellation are brighter than all but 500 stars in the sky, raising fears of a huge impact on astronomy...

News Source: New Scientist on 2024-10-03