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May 11, 2023 · The Beginner's Guide to Aeronautics has been on the web for over a dozen years. During that time, NASA projects have come and gone and the intended audience has variously changed from high school students to college students and back to middle school students. So there is a wide breadth of information here at the site.
Sep 17, 2024 · Over twenty years ago, NASA Glenn Research Center developed this collection of interactive simulation exercises to accompany our Beginners Guide to Aeronautics educational content. Students and others in academia, industry, and those with an interest in aeronautics, visit these pages daily to learn and refresh their knowledge of these concepts.
- Pressure Differences
- Downwash
- How Much Lift Can You Make?
- Wing Vortices
Okay, so the wings are the key to making something fly—but how do they work? Most airplane wings have a curved upper surface and a flatter lower surface, making across-sectional shape called an airfoil(or aerofoil, if you're British): Photo: An airfoil wing typically has a curved upper surface and a flat lower surface. This isthe wing on NASA's sol...
If you've ever stood near a helicopter, you'll know exactly how it stays in the sky: it creates a huge "downwash" (downward moving draft) of air that balances its weight. Helicopter rotors are very similar to airplane airfoils, but spin around in a circle instead of moving forward in a straight line, like the ones on a plane. Even so, airplanes cre...
Generally, the air flowing over the top and bottom of a wing follows the curve of the wing surfaces very closely—just as you might follow it if you were tracing its outline with a pen. But as the angle of attack increases, the smooth airflow behind the wing starts to break down and become more turbulent and that reduces the lift. At a certain angle...
Now a plane doesn't throw air down behind it in a completely clean way. (You could imagine, for example, someone pushing a big crate of air out of the back door of a military transporter so it falls straight down. But it doesn't work quite like that!) Each wing actually sends air down by making a spinning vortex(a kind of mini tornado) immediately ...
Dec 7, 2023 · The word comes from two Greek words: aerios, concerning the air, and dynamis, which means force. Aerodynamics is the study of forces and the resulting motion of objects through the air. Humans have been interested in aerodynamics and flying for thousands of years, although flying in a heavier-than-air machine has been possible only in the last ...
When they are all balanced, a plane will fly in a nice, straight line. All four forces have to be present for a plane to get into the air, but lift is what keeps it there. Lift is generated by the ...
May 11, 2023 · NASA Astronauts, Leadership Visit Children’s Hospital, Cancer Moonshot Event. Artemis I Radiation Measurements Validate Orion Safety for Astronauts. NASA-Funded Study Assesses Pollution Near Los Angeles-Area Warehouses. Systems Engineer Noosha Haghani Prepped PACE for Space. NASA’s Hubble, New Horizons Team Up for a Simultaneous Look at Uranus.
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Just how is it possible for such a massive object to soar through the air? See more flight pictures. . Yasuhide Fumoto/Digital Vision/Getty Images . Human flight has become a tired fact of modern life. At any given moment, roughly 5,000 airplanes crisscross the skies above the United States alone, amounting to an estimated 64 million commercial and private takeoffs every year [source: NATCA ...
