Traditional Culture Encyclopedia - Traditional virtues - What is the principle of hot air balloon?
What is the principle of hot air balloon?
2. A hot air balloon is an aircraft lighter than air. The upper part is an atmospheric sphere and the lower part is a hanging basket. Air is heated inside the balloon, and the air density is lower than that of cold air outside, which plays a role in buoyancy and displaces the whole body; Hanging baskets can carry passengers and heat sources (mostly open flames). Modern sports balloons are usually made of nylon fabric and the opening is made of refractory material.
3, can be used in air sports, photography, tourism, etc. The first manned hot air balloon was made by Montgolfier Brothers, and was launched in Jean-Fran, Paris, France on June1783+065438+1October 2 1. Ois Pilatre de Rozier and Fran? Ois Laurent dArlandes, start with two people. [1] The first American hot air balloon was launched from the Walnut Prison in Philadelphia on June 1.793+0.9 by air France Jean Pierre Blanchard. At present, there are four types: AA, AX, AM and AS.
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