On a study of vibration of the divine bell of King Songdok by Doppler effect

摘要

Divine bell of king Songdok, known as the bell of Emille is one of culture heritages which has been molded from 771 year to the illustrious memory of King Songdok for 34 years. The appearance of bell is very beautiful and the sound of bell has enough to shake the sky, the earth and human being with miraculous atmosphere. Emille bell has characteristics as the sounds of maintaining like cutting off, burning people's soul and touching heartstrings etc. and the sounds of maintaining like cutting off can be caused by 'Macnorlee' phenomenon. It is the first time that we have cleared up the cause of 'Macnorlee' phenomenon through the experiment even there has been studied to examine its reason till now. At this point, the ancestors have already known isochronism theory of pendulum in 750 or thereabouts and they has discovered the Doppler effect and applied to the bell. In conclusion we would like to clear up and realize 'Macnorlee' phenomenon from Emille bell molded 1228 years ago, which there's our nation's wisdom and emotion so we are willing to have a motive power to be a pioneer in new generation with the pride of culture nation.