"EGG HOT-AIR BALLOON"EXPLORATION IN AVIATION TEACHING PRACTICE
The egg-intima conjecture was proposed regarding the"egg hot-air balloon"described in Han Dynasty classics.A series of theoretical and experiment work on"egg hot-air balloon"were organized and carried out during teaching practice for aviation college students.It was found that hot-air could not lift the egg-intima balloons.However,it can take off under an upward hot-air flow of about 3.3 m/s.This present teaching practice,focusing on aviation history,has effectively stimulated the students'professional interest,and also exercised their innovative and practical abilities.
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