問題詳情

3.氣流由縮小管口噴出時，氣流方向如下圖箭頭所亦，此稱為：


(A)Coanda effcect（wall attachement）
(B)Boyle's law
(C)Poiseuille's law
(D)Laplace's law

參考答案

答案：A
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用户評論

【Liao Liao】評論

The primary principle underlying most fluidic circuitry is aphenomenon called wall attachment, or the Coanda effect。This effect is observed mainly when a fluid flows through a small orifice with properly contoured downstream surfaces.egan's 123-124B.Boyle's law：PV呈反比。C. Poiseuille's law :管子兩側壓力差D.Laplace's law：與表面張力有關