transient flow 中文意思是什麼

transient flow 解釋
不穩定流
  • transient : adj 短暫的，一時的；過渡的；匆匆而過的；易逝的；虛幻的，無常的 （opp lasting permanent）; 【物理...
  • flow : vi 1 流，流動。2 （血液等）流通，循環。3 流過；川流不息；（時間）飛逝；（言語等）流暢。4 （衣服、...
  1. One cardiac cycle is divided into 50 parts in the transient analysis to accurately simulate the continuous pulsatile blood flow in the coronary artery, the hemodynamic parameters of the atherosclerotic and the controlled models at each of the 50 moments were computed in accordance with the physiological condition

    這些計算包括：脈動流情況下的非狹窄和狹窄不對稱性對狹窄流場的影響，分岔角度變化時動脈狹窄和非狹窄的各種血流動力學參數的計算模擬。
  2. Transient species such as the yellow croaker and melon seed, typically found off northern china and japan, bolster the resident marine fauna when the monsoonal flow brings in cooler waters

    此外，還有一些基本上在中國北部及日本水域出沒的過境品種，諸如黃花魚及瓜核魚，這些魚類隨著較涼的季節性水流來港，令該段時間本港的海洋動物數量大增。
  3. Transient flow calculation for sloping ceiling tailwater tunnels and their body - type design for hydropower stations

    水電站變頂高尾水洞瞬變流計算及體型設計
  4. Valve adjusting will bring transient flow to the system

    閥調節會引起系統發生瞬變。
  5. Gas thermal insulation coefficient under different transient flow in pressure pipeline system has been studied through physical experiments and theoretical analysis on thermodynamics

    本論文通過物理試驗與熱力學理論分析對不同瞬變過程中有壓輸水管道內氣體的多方指數n的變化規律進行了研究。
  6. Transient flow model solution of reverse jet pulse cleaning system in high temperature ceramic filter

    高溫陶瓷過濾器反向脈沖過程過濾管瞬態流場分析
  7. The wet natural gas in transmission pipeline assumes two phase of gas and liquid, so its flowing always assumes a slow transient flow state

    在實際運行中，濕天然氣在輸送管道中存在氣液兩相，因此管道中的流動總是處于慢瞬變流動狀態。
  8. Based on the theory of fluid dynamics. transient - flow and vibration, the structure parameters of the air - volume ( such as the volume and position of the air - volume ) affect the pressure oscillation in piping system is put forward, and the designing method for the parameters of the air - volume according to the role of the air - volume is provided

    本文根據流體力學、瞬變流以及振動學的理論，研究了管道系統中空氣室結構參數（空氣室的容積，安裝位置等）對壓力脈動的變化規律，提出了根據空氣室工作任務要求設計空氣室的計算方法。
  9. Application of finite volume method into simulation of transient flow of three - dimentional aliminium extrusion

    有限體積法在三維非穩態鋁合金擠壓過程模擬中的應用
  10. The calculation of hydraulic friction in transient flow and the influence of hydraulic friction to transient

    瞬變流摩阻計算及摩阻對水力瞬變的影響
  11. In this paper, on the basis of the analysis of gear pimp working principle, the mechanism of flow pulsation and methods of reducing flow pulsation are pulsation are studied. the computing formula of transient flow rate and the coefficient of flow pulsation are deduced. the relationship between the gear pump flow pulsation and the construction parameters of the gear is studied

    本文在齒輪泵工作原理和流量脈動產生機理的基礎上，首先從理論上推導了齒輪泵瞬時流量和流量脈動系數的數學模型，分析了齒輪泵的輸出流量脈動與泵齒輪各結構參數之間的關系，並對某型齒輪泵進行模擬分析研究，給出了齒輪泵的流量脈動分析結果。
  12. Test research of transient flow behavior controlling and resistance reduction in mine pump system

    礦井排水可控止回閥系統及降阻的試驗研究
  13. Numerical simulation of transient flow in high pressure common rail injector

    高壓共軌噴油器內非穩態流動數值模擬
  14. Research on current rush to interception air - mass in delivery pipeline system and water hammer with gas is a branch of concurrent gas - liquid flow. for it refers to many fields, such as fluid mechanics, transient flow, concurrent gas - liquid flow and thermodynamics, the problem is very complicate, and there are still some issues to be deeply studied actually

    輸水管道系統水流沖擊截留氣團與含氣水錘研究屬于氣液兩相流的一個分支，該問題涉及到瞬變流、空化、氣液兩相流和熱力學等多領域的理論，因而該問題十分復雜，有必要進行深入研究。
  15. Review on active control strategy of transient flow in pipeline

    管道瞬變流動主動控制策略研究綜述
  16. Valve adjustment is a indispensably sector for pump system running, and it will bring transient flow to the system under some conditions

    閥調節是泵系統運行過程中不可缺少的環節，在一定條件下，調節會使系統發生瞬變流動。
  17. The transient flow field induced by a high - speed train moving into a tunnel is a three - dimensional, compressible and turbulent field. it ' s a field with boundary varying from indefinite to definite

    它是由無限邊界向有限邊界過渡的一個流場，既不同於風洞試驗中的有限邊界流場，也不同於火箭、飛機所在的無限邊界流場。
  18. Experiments were carried with under the conditions that involve three initial rates of flow, three kinds of conduit lengths jnd three sorts of valve, and the transient characteristics brought by valve adjusting were studied. for the first time does there have such an overall transient flow investigation of the whole system under valve adjusting condition

    對系統在三種初始流量、三種管長情況下進行三種閥的關閉實驗和在三種初始流量、三種管長情況下進行管路切換實驗，對這些條下閥調節引起的系統瞬變進行實驗研究。
  19. More often, the standard k - turbulent model is used. but there are some disadvantages of it. in this article, the kng - k - turbulent model is used which can make good result on transient flow and bend flow

    在水電站工程實際應用中以往多採用的是標準的k -兩方程模型，而本文採用了在標準k -模型基礎上變形的重整化群k -模型（ rng - k -模型） 。
  20. It is shown that the variation of instrument systematic error along with transient flow period can induce the shift of calculated leakage location

    文章介紹了國際上應用較多的實時模型泄漏監測法的泄漏監測數據模型，分析了輸氣管道儀表精度對泄漏報警和泄漏定位的影響。
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