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I am interested in aircraft, especially airplane engines and structure. I have studied for five years in Japan about aviation maintenance at my high school and my college which have aeronautical engineering departments. Needless to say, I am majoring in the aviation maintenance technology. Aircraft are eminently related to physics. I therefore chose this book, ?gAirframe?h. I think that a person who is interested in aviation would feel interested in this book. I have already studied about some flight dynamics in Japan. I am therefore going to write about lift and a stall, wing curvature, axis of an airplane in flight, and my doubt in the book.
The book gives an example of an airplane bound from Hong Kong to Dallas, TPA 545, which stalled on its way to Dallas. The circumstance was that the plane suddenly descended and went up, then it stalled and went down again. However, the pilots of the plane recovered the airplane?fs balance and altitude, and the airplane made an emergency landing at Los Angeles airport. I am going to write about the reason why airplanes can fly before I write about a stall, because it is easy to understand a stall when the physics of flight are understood. Airplanes can fly by making use of lift. Air usually flows are both the upper and lower wing?fs surfaces. There are differences in airspeed and air pressure between air flowing over the upper side and air flowing under the lower side of a wing. The air flowing over the upper side is faster than the opposite sides air, and the air pressure on upper side is lower than the opposite air pressure. The power to lift up, which is called lift, therefore acts on the wing, and the phenomenon is known as Bernoulli?fs principle. These are the reasons why airplanes can fly.
A stall is caused by exfoliation of air on a wing. I think that there is some possibility of any airplane stalling from this phenomenon. In my opinion, the airplane was falling for some reason or other, then it climbed steeply to regain its altitude. However, its rise angle was too sharp, therefore it stalled. If a wing takes a high angle, the air flowing the upper side of the wing comes off the wing and makes curls of air. This makes drag to th
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Japan, Dallas, Hong Kong,
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Los Angeles airport, Miami International Airport,
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