岔管 的英文怎麼說
中文拼音 [chàguǎn]
岔管
英文
bifurcated pipe-
The 3 - d numerical simulation on bifurcated pipe flow
三岔管水流數值模擬研究Numerical simulation of flow in bifurcated pipes
岔管流動的數值模擬New type of steel bifurcation with inner crescent rib
內加強月牙肋鋼岔管新型結構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。Construction of long tailrace tunnel bifurcation concrete structure for dachaoshan hydropower station
大朝山水電站長尾水隧洞岔管混凝土施工Design of water inlet structure in mianhuatan hydropower station
棉花灘水電站尾水岔管設計Finite element calculation of reinforced concrete breeches pipe in pushihe pumped - storage power station
蒲石河抽水蓄能電站鋼筋混凝土岔管有限元計算Study on hydraulic characteristic of escher - wyss wyepiece of xilongchi pumped storage power station
西龍池抽水蓄能電站內加強月牙肋岔管水力特性研究Flow resistance characteristics of symmetric fork tube used in a storage - pumped hydroelectric plant
抽水蓄能電站對稱岔管的流動阻力特性Finite element analysis of joint bearing capacity of welt steel bifurcation and surrounding rock
貼邊鋼岔管與圍巖聯合承載有限元分析Structural study on underground bifurcation of hydropower station with high pressure
高水頭水電站地下埋藏式鋼岔管結構研究Numerical simulation on hydrodynamic characteristics of bifurcation pipe with internal crescent rib
內加強月牙肋三岔管水力特性數值模擬The numerical simulation of the flow in the three diverge pipe with crescent costal board and study on head loss
有加強肋板的三岔管水流數值模擬及水頭損失研究Bodily form optimum for bottom branch pipe in tail water surge chamber of goupitai hydropower station
構皮灘水電站尾水調壓室底部岔管體型優化Optimal width ratio of crescent rib in bifurcation of pumped storage power station based on numerical simulation of flow
基於水流數值模擬的抽水蓄能三岔管肋寬比最優化分析The experimental method of the model test with 1 : 6 scale based on the work mechanism of bearing of steel y - pipe strengthened inside with crescent rib in combination with surrounding rock mass simulated by composite materials is adopted and the regularity of their participant capacity to bear inner water pressure is analyzed in this paper
摘要本文結合實際工程採用幾何比尺為1 : 6的物理模型試驗方法，用不同材料分層組合模擬圍巖，對水電站內加強月牙肋鋼岔管與圍巖聯合承載的工作機理、圍巖分擔內水壓力的規律進行分析。This paper describes the law of main physical configuration parameters affecting on hydraulic characteristic of bifurcated pipe by means of hydraulic calculation and model test, suggestion is given on the selection of the configuration parameters
摘要通過水力數值計算、水力模型試驗對西龍池抽水蓄能電站內加強月牙肋岔管水力特性進行了較系統的研究，總結了內加強月牙肋岔管主要體形參數對其水力特性的影響規律，並對內加強月牙肋岔管體形參數選擇提出建議。In view of very large scale of y - pipes of this project, the design of combined bearing of y - pipe and surrounding rock is adopted to decrease the difficulty of fabrication and erection
摘要西龍抽水蓄能電站岔管規模遠超過國內已建工程，為降低製作、安裝難度，考慮岔管與圍巖聯合受力設計。A mesh generation method for 3 - d finite element method in underground bifurcation structure and computer graph technology
地下岔管三維六面體有限單元網格自動生成及計算機圖形處理A stability analysis of external compressive buckling of non - symmetrical y - shaped branch pipe
型岔管抗外壓穩定性分析分享友人