從以下加速度/時間的圖我們可以看到,在40秒的實驗時間中,XYZ 向的加速度幅度,其中最關鍵的是 Z 向有著最大的震動程度,而 X 向則是相當穩定,近乎可以忽略。從另外一張圖(頻率與震幅)我們還能看出一個有趣的現象,就是 Z 向的震動發生在相對較低的頻率之下。
而從另一張頻率之於震幅的圖我們可以看出來一些其他事情。首先是 Y 向的晃動的頻率,跟我們預想的人類走路的晃動頻率(2赫茲)並不一樣,是落在1.7赫茲左右,而且在之後的頻率光譜中也出現了很多不同的共振情況,雖然晃動的幅度跟 Z 向的相比較弱,但這多重的共振結果就是更多造成咖啡潑濺的時機點,和 X 向晃動(和 Y 和 Z 相比,震動幅度超小)綜合起來,在杯緣形成漩渦。
簡單的說,就在這些頻率下,X、Y 向的晃動產生了不斷做渦旋運動的液體,而 Z 向的晃動讓咖啡潑了出來。
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可是海上的風就是比陸地上強上好幾倍,這麼香的風力來源怎麼能放著不用呢?來自挪威的公司 World Wide Wind 提出了一種浮標式風電機組,省去了海底工程的麻煩。這種風電機組採用垂直軸的設計,這樣機組就不會被海風吹著跑。整個裝置可以靠著海面下的配重平衡地直立在海面上,除了電纜之外不須要任何固定措施。這大大地擴展了離岸風電的發展空間。許多最佳的風場位在離岸較遠的深海區域,我們沒辦法在這些海床上豎立巨大的水平軸風車,這時候就可以透過漂浮式構造來擴張風電的勢力範圍。