水動力管 的英文怎麼說
中文拼音 [shuǐdònglìguǎn]
水動力管
英文
hydrodynamic tunnel-
The main production includes heat - pipe, heat - pipe exchanger setting, rubber tyre hot water deaerate power station, boiler deaerator, tyre forming machine, rubber cutting machine, vulcanize, vulcanizing pot and the special carbon steel or stainless steel pot for oil, chemical engineering, medicine, chemical fertilizer field use
濟南仙峰泰山化工設備有限公司主要生產熱管、熱管換熱器、橡膠輪胎廠子午胎斜交胎熱水除氧動力站、鍋爐除氧器、輪胎成型機、切膠機、硫化機、硫化罐，還有石油、化工、化肥、醫藥、冶金、建材等行業使用的各種碳鋼、不銹鋼、有色金屬的塔、罐、釜、換熱器等產品。Strip - shape underground structures such as the tunnels and tubes for various uses can be treated as a beam on elastic foundation under earthquake condition ， although there exists soil - structure interaction ， the foundation soil vibration is dominant in other words ， analysis of earthquake response of the soil is essential to this end ， simplified models ， ( i. e equivalent mass system models based on some equivalence criteria ) are proposed ， instead of a general 3 - d continuum model in this study ， equivalence criteria are proposed and the simplified models are compared the single - mass - string model is proved to be valid and therefore applied to the analysis of earthquake response of the pearl river immersed tunnel
條裝地下結構如隧道、各種埋設管道等一般可看作彈性地基梁進行靜力及動力分析在地震條件下，結構與土相互作用，但土的振動成為主要因素為分析土的地震響應需把基土這一三維連續體作簡化處理，簡化成為等效多質點模型本文著重探討這種簡化模型的建立方法，推導等效方程，通過幾種簡化體系的分析比較，論證單質點串體系的合理性，並將其應用到廣州黃沙芳村珠江水下隧道工程的地震響應分析，為抗震設計提供依據There are some countermeasure that are renewing and reconstructing zoology, enhancing protection of air environment and water environment in beauty spot, intensifying management and education for gauchos, and strengthening inductivity for tourist etc
相應的治理對策主要有：生態恢復和重建工作；加強景區大氣環境、水環境的保護管理；加強對牧民旅遊服務活動的管理和培訓，強化牧民的環境保護意識；加強對旅遊者旅遊活動行為的積極引導；大力提倡生態旅遊，與國際旅遊市場接軌。Thirdly, the correlative coefficient is computed between the pressure fluctuation signal of draft tube and the displacement signal of upper guide bearing, the thrust bearing and the head cover, with this the conclusions on the shafts response due to pressure surge in
並與模型尾水管壓力脈動試驗結果進行對比?結合流動模擬試驗以及動力特性計算結果，全面分析?評定機組的實際運行狀況，劃定運行區域，為電站合理調度In recent years, plentiful and substantial fruits achieved by the lb method in simulations of hydraulics, multiphase flows, flows in porous media and heat transfer as well as magnetohydrodynamics, have revealed a broad perspective of application of this method, it will become a powerful competitor to the conventional approaches. in order to absorb the recent achievement in theory and application of the lb method, explore new ways in hydraulic computation to promote the development of practice, some work is car ried out in this thesis, as following : advances in the theory research and application, deductive process of the d2q9 model and some other commonly used models of the lb method are summarized. based on the hydrodynamic and general boundary conditions, a new joint boundary condition is presented, it integrates advantage of the two conditions above and obtains very good results in dealing with all kinds of boundaries of flow fields
為了消化和吸收近年來lb方法在理論和應用方面的新成果，探索在水力計算方面的新途徑以促進lb方法實用化的發展，本文進行了下列研究工作：綜述了lb方法在理論研究和實際應用方面的新進展，以及d2q9模型的推導過程和其他一些常用的模型；在水動力邊界條件和通用邊界條件的基礎上提出了一種新的聯合邊界條件方法，它綜合了上述兩種邊界條件的優點，在流場的各種邊界處理中取得了非常好的效果，經過模塊化的處理以後這種邊界條件具有更好的實用性；針對均勻網格的lb方法計算效率較低的不足，提出了雙重網格的latticeboltzmann方法，通過二維poiseulle流動、后臺階流動和渠道方槽流動三個算例的模擬，證明這種方法能夠明顯地提高流場模擬的計算效率；此外，根據復雜區域流場的特徵提出了latticeboltzmann方法的分塊-耦合演算法，利用lb方法的計算特性實現塊與塊之間的數據交換，充分利用計算資源提高計算效率，通過對「 t 」型、 「十」型和「 x 」型分岔管道流場的模擬，展示了這種演算法的特徵和優點，以及它所具有的應用前景。For example, it can enter human body to inspect inner organ, deliver drug to assigned spot and operate local body surgery. supported by the nation nature science foundation of mechanism, structure and control study on swimming micro robot in liquid ( item no. 69885002 ) and guangdong province science foundation of research on swimming micro robot in liquid ( item no. 980402 ) and guangdong province education department foundation of research on micro pipe robot driven by liquid self energy ( item no. 010043 ), this dissertation mainly study on the designing and manufacturing of swimming micro robot and its swimming performance, building up and analysing the dynamic model, natant problem of swimming micro robot and controlling the swimming velo city
本論文得到國家自然科學基金項目「泳動微機器人的機理、機構和控制」 （項目資助號： 69885002 ） 、廣東省自然科學基金項目「液體中泳動微機器人的研究」 （項目資助號： 980402 ）和廣東省教育廳基金項目「基於流體自身能量的微管道機器人研究」 （項目資助號： 010043 ）等的資助，主要對在液體中運動微機器人的國內外研究現狀、水生生物推進機理及其對泳動微機器人研究的借鑒和啟發作用、泳動微機器人的設計與製作、微機器人動力學模型的建立與分析、微機器人的自主浮遊與泳動速度控制等方面進行了大量的理論與實驗研究。Approchment to the calculation on hydrodynamics of the flag pattern surface on corner tube boiler
角管鍋爐旗式受熱面水動力計算方法探討Experimental data from the towing tank tests show that the hydrofoils give more water - drags on the raft ' s hull, and that the hydrodynamic performance of a ferrying raft will be improved by rational designs of the hydrofoils ' profile, angles of attack as well as the position of hydrofoil on the hull
船模水池中的模型拖曳試驗表明，盡管水翼會增加門橋的水阻力，但只要合理地設計水翼的翼型、攻角和安裝位置，可以改善和提高門橋水動力性能。Marching solution for the l style manifolds
型集箱系統並聯管組的水動力推進演算法An example shows that the marching solution is an efficient calculating method for the l style manifolds
計算結果表明，這種演算法適用於l型集箱系統的並聯管組水動力計算。Based on the mass conservation law and momentum equations of incompressible fluid in manifolds, the three examples of style manifolds with different pipe diameter show the difference between the marching solution method and the standard solution method
摘要在並聯管組水動力學基本方程的基礎上，分別採用水動力推進演算法和水動力標準演算法，對3種不同的分支管面積的型集箱進行計算，比較兩種演算法的計算結果差異。The two - dimensional flow - pollutant riemann approximate solvers model has been analyzed and applied to treat the calculation of the mass and momentum fluxes by finite volume method based on some recent results on hydro - dynamic model of shallow water
本文從淺水動力學模型研究現狀和發展趨勢出發並結合水環境規劃管理的實際需要，分析研究了二維水流水質黎曼近似解模型。The comparision of the computation result and the experimental data shows that prediction of ka series propeller by surface panel method is feasible
本文嘗試建立一種面元法預報導管螺旋槳水動力性能的方法，為設計導管螺旋槳和研究泵噴射推進裝置建立基礎。Then, four different computation methods are applied to compute the hydrodynamic performance of the rotor, which are single - disk single - tube method ( sdst ), double - disk single - tube method ( ddst ), multi - tube method ( mtt ) that are based on momentum theorem and vortex method ( vtth ) that is based on potential eddy theory
然後，採用基於動量定理的單盤面?單流管方法（ sdst ） 、雙盤面?單流管（ ddst ）方法、多流管（ mtt ）方法以及基於勢渦理論的渦方法（ vtth ）計算直葉擺線式水輪機的水動力性能。In this thesis, the steady performance of ducted propeller in uniform flow is predicted by surface panel method
本文應用基於擾動速度勢的低階面元法，擬計算導管螺旋槳在均勻流場中的定常水動力性能。Based on the previous work, the main results are as follows : 1. the sealing mechanism can be classified as capillary sealing and concentration sealing after systematical analyzing the sealing mechanism of the sealing formation. in fact, both the pressure sealing and the hydraulic sealing are belong to capillary sealing, they are special forms of capillary sealing ; 2
劃分出封蓋層的類型和規模，取得的重要成果和創新之處主要體現在： 1 、系統分析了油氣封閉機理，指出了油氣蓋層封閉油氣主要為毛細管封閉和濃度封閉，水動力封閉和壓力封閉是毛細管封閉的特殊表現形式，本質上其機理仍屬于毛細封閉。Immersinng hydrodynamics numberical simulation of big immersed tubes on limited sea - route
大型沉管在狹窄航道上沉放水動力數值模擬By introducing the tent function, the body form can be easily expressed by the body offsets. in this paper, the steady performance of ka - series propeller with no. l9a duct and ka - series propeller with jd7704 duct is trying to be computed
本文擬採用上述方法分別計算ka系列螺旋槳+ jd7704導管、 ka系列螺旋槳+ no . 19a導管，在均勻流場中的水動力性能，並與試驗結果進行比較。The collapse mainly occurs in the low - water years or during the beginning of the dry season and rain season in a year. the formation and developing scales of the collapse are affected by many factors, such as karst caves, sola and water, etc. however, the taking of the underground water which causes the hydrodynamic conditions changed and the water level highly descended is a leading factor for the karst collapse. the mechanism of karst collapse is discussed based on long - term monitoring results of groundwater level and geological environment
塌陷的產生與發展規模受溶洞、土層和水等多種因素的綜合影響，但過量開采地下水導致地下水動力條件急劇改變或水位大幅度下降是造成塌陷形成的主導因素;進一步討論了泰安市巖溶塌陷的形成機理，在此基礎之上對泰安市巖溶塌陷的監測預報及對土地資源管理利用的影響進行了研究，並根據當地的防治實踐，提出了巖溶塌陷防治的對策建議。Dilution is just a temperate method for harnessing the pollution of waterway, and how to truly harness it needs starting with the management and planning of the source of pollution. according to the calculating capacity of water environment, we can get an effective and feasible method for harnessing the pollution of waterway
本研究對一河段進行了水動力學模擬和水質模擬，並計算了理想的水環境容量，從中我們得到一種有效並且可行的內河治污方法，這些研究工作給予我們一種新的思路，為以後的內河治污工作提供了一種科學的規劃管理方法。分享友人