enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Aircraft noise pollution - Wikipedia

    en.wikipedia.org/wiki/Aircraft_noise_pollution

    Noise-generating aircraft propeller. Aircraft noise is noise pollution produced by an aircraft or its components, whether on the ground while parked such as auxiliary power units, while taxiing, on run-up from propeller and jet exhaust, during takeoff, underneath and lateral to departure and arrival paths, over-flying while en route, or during landing.

  3. Environmental impact of aviation - Wikipedia

    en.wikipedia.org/wiki/Environmental_impact_of...

    The FAA Stage 5 noise standards are equivalent. [49] Higher bypass ratio engines produce less noise. The PW1000G is presented as 75% quieter than previous engines. [50] Serrated edges or 'chevrons' on the back of the nacelle reduce noise. [51] A Continuous Descent Approach (CDA) is quieter as less noise is produced while the engines are near ...

  4. Hush kit - Wikipedia

    en.wikipedia.org/wiki/Hush_kit

    They reduce the forward propagating, high-pitched noise caused by the small, high-speed fan. [ 1 ] This kind of high-pitched noise is much less of an issue on modern high-bypass turbofan engines as the significantly larger front fans they employ are designed to spin at much lower speeds than those found in older turbojet and low-bypass turbofan ...

  5. Toxic gases and claustrophobia: The challenges facing ... - AOL

    www.aol.com/toxic-gases-claustrophobia...

    As oxygen levels inside the Titan dwindle, those trapped inside have more than low air supplies to contend with, as a scientific paper reveals

  6. Silent Aircraft Initiative - Wikipedia

    en.wikipedia.org/wiki/Silent_Aircraft_Initiative

    The Silent Aircraft Initiative was a study undertaken by the Cambridge-MIT Institute to discover ways to reduce aircraft noise dramatically, to the point where it would be virtually unnoticeable to people outside the airport perimeter.

  7. Toxic gases and claustrophobia: The challenges facing ... - AOL

    www.aol.com/news/toxic-gases-claustrophobia...

    The knock-on psychological effects of the situation could include a growing sense of claustrophobia, leading to increased heart rates, light-headedness, nausea and panic attacks, which could cause ...

  8. Airplane noise continues to wreak havoc on North Jersey ... - AOL

    www.aol.com/airplane-noise-continues-wreak-havoc...

    Runway 24, which the city worked hard to get designed to minimize noise and air pollution, is still not being used by pilots during the day, and very few at night, Canestrino said The new flight ...

  9. Night flying restrictions - Wikipedia

    en.wikipedia.org/wiki/Night_flying_restrictions

    Night flying restrictions or night-time curfews, [1] including night flight bans, are any regulations or legislation imposed by a governing body to limit the ground-perceived exposure to aircraft noise pollution during the night hours, when the majority of residents are trying to sleep.