annular core 中文意思是什麼
annular core
解釋
環形鐵芯-
Relaxation factors are adopted. a program is produced to simulate swirling air flow in a horizontal straight pipe and compare with experiment data. the simulation prove that the modified k - model can predict the core, annular and wall regions near entrance and axial velocity far from entrance, but it ca n ' t predict tangential velocity well in weak swirling area far from entrance
編程計算水平圓管內螺旋氣流的流動參數並與實驗數據對比，結果表明修正-湍流模型在近入口處基本上能預測出中心區、環形區和近壁區的流動特性，在遠離入口弱旋流區域對軸向速度的預測符合實際情況，但是出現對周向速度修正過大的現象。 -
To upgrade by 2005 the 500kv dual circuit annular core transmission grid to cater for the transmission of electricity from western provinces
千伏雙迴路環形核心網架，確保西電東送 -
The static and dynamic test results showed that the new method is effective and the identification results of stratified flow, annular flow, core flow and plug flow are satisfied for the requirements of the industrial operation online
該方法與傳統流型識別方法相比的最大特點是簡便易行，對于層狀流、環狀流、核心流以及塞狀流均有較好的識別結果。 -
The accuracy of flow pattern identification of stratified flow, annular flow, core flow and homogeneous flow is more than 95 % and the time for flow pattern identification is less than 0. 15 second
對于均相流、層狀流、核心流和環狀流等流型辨識的準確率高於95 ，判別一個流型耗時小於0 15秒。塞狀流的辨識準確率高於90 。 -
The iron core of the product is annular. the secondary winding go uniformity around the core. the clip clamps the core
本型零序電流互感器的鐵心為環形，二次繞組均勻繞制在鐵心上，用夾件夾緊鐵心，夾件備有安裝孔。
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