logarithm to the base 中文意思是什麼
logarithm to the base
解釋
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The basic principal and general structure of dry gas seal are introduced briefly, and aiming at the characteristics of logarithm spiral curve, the calculation of the pressure to the spiral groove end surface by the theory of narrow groove are given. the method of narrow groove theory and finite element method are utilized to optimize the end surface structure of the spiral groove dry gas seal. the structure of the seal is confirmed on the base of the result
簡要介紹了干氣密封的基本原理和一般結構,同時針對對數螺旋線形的特點,介紹了窄槽理論對螺旋槽端面的壓力分佈計算,利用窄槽理論和有限元方法對螺旋槽干氣密封端面結構進行了優化,並得出了優化結果,根據這一結果,確定了具體的密封結構。
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