section tube 中文意思是什麼
section tube
解釋
異型管-
Some simulations with deltae has also been made to predict the performance of the system. at the end of this section, proposals and schemes are also given for the further experiments. 4 ) thermoacoustically driven puke tube refrigerator ( tadptr ) with the successful operation of the standing wave thermoacoustic prime mover, we transferred part of our efforts to the thermoacoustically driven pulse tube refrigeration, which is actually the original aim for our study on the thermoacoustic prime mover
熱聲驅動脈管製冷機在成功研製熱聲驅動器的基礎上，對其與脈管製冷機（一種在低溫端沒有運動部件的新型的低浙江大學博士學位論文金滔：熱聲驅動器及其驅動的脈管製冷研究2001年5月溫製冷機）的聯接進行了匹配分析，並搭建了熱聲驅動脈管製冷機的實驗臺，進行了系統的實驗研究。 -
In low mass flux and high outlet quality conditions, experiments have been performed using vertical heated tube, cooled by water, to determine chf value for a uniformly heated section
針對低流量高含汽量工況，本論文試驗在長度為2 . 1m ，管徑為0 . 014m的均勻受熱圓管中得到93組chf數據。 -
With the research object of overbank soft clay near the yiluo river, by means of pack drain to accelerate the consolidation of the soft ground and analysis of fourteen selected representative observation section, in the same time with the help of such testing apparatus as settlement plates, deflection inclinometer, piezometer, telescoping tube, my study not only evaluate the effect of pack drain ' s quickening up the consolidation of soft ground impersonalily and scientifically but also sum up the settlement disciplination of overbank soft clay after more than one years ? observation of settlement and stability continuously
本文以伊洛河河灘相軟土為研究對象，利用沉降板、測斜管、孔隙水壓力計、分層沉降標等多種測試儀器，選取14個有代表性的觀測斷面，進行了一年多的沉降與穩定觀測。通過對觀測數據的分析，進而對袋裝砂井加速河灘相軟土固結效果進行了客觀、科學的評價，同時推算了沉降系數m _ s和固結度參數，並對河灘相軟土的沉降規律進行了分析。 -
This paper presents the structural design of the main bridge of lhasa river bridge, makes a deep - going study of the key techniques for design of the bridge, such as the reasonable span length ratio of each span of the 5 - span girder and arch hybrid structure, mechanical behaviour of the dual arch ribs, and section of the continuous girder tie beam, and also works out rigidity and stress conditions of the continuous girder tie beam and stress conditions of the concrete - filled steel tube arches of the main bridge
摘要介紹了拉薩河特大橋主橋結構設計情況，對於五跨梁拱組合橋梁各孔跨合理的跨度比、疊拱的受力行為及連續梁系桿截面形式等設計中的關鍵性問題進行了深入的研究，給出了主橋連續梁系桿的剛度和應力情況、鋼管混凝土拱的應力情況。 -
As ammonia built up in the water gas purification system reacts with a part of condensate on the inner wall of the heat exchanger tube passes, and the salt solution formed cools down and crystallizes in the tube passes, the resistance in the shift conversion section increases exceedingly
摘要由於水煤氣凈化系統積累的氨與部分冷凝水在換熱器管程內壁反應形成的鹽溶液在管程內冷卻結晶，造成變換工序阻力異常增大。 -
Shock tube ; conical convergent section ; detonation ; finite volume tvd scheme
激波管收縮截面爆轟有限體積tvd格式 -
The numerical simulation of axisymmetric two - dimensional shock tube is studied, which has a conical convergent section, and its driving gas is the hot product of hydrogen oxygen detonation. finite volume tvd scheme is adopted and the mesh is local orthogonal. the primitive equations are euler s equations of multi - component flow. the new method of eliminating numerical oscillation at the interface of two materials is extended to two dimensions. the mechanical character of this shock tube is analyzed
對由前向爆轟產生驅動氣體並具有局部錐形收縮截面的軸對稱激波管利用兩相常比熱完全氣體的歐拉方程組和有限體積tvd格式在局部正交的網格上進行了二維數值模擬。將消除兩種介質界面處數值振蕩的新方法成功地推廣到二維情況。分析了該激波管的力學特性。 -
Fem simulation of roll extrusion forming process of square section tube
矩形管雙道次輥擠成型過程擠壓力公式的建立 -
Under tensionloading, these gusset plate connections can be susceptible to shear lag failure of thehss since only a part of the tube cross - section is connected to the plate
由於鋼管截面只是部分和鋼板連接，在拉力作用下，管板節點易發生剪切滯后破壞。 -
The experimental and numerical studies on the two enhanced tubes are performed. the strong multi - longitudinal vortex flow in the aea - tube is induced by alternating change of the elliptical cross - section, and for the ddir - tube, the strong multi - longitudinal vortex flow is
交叉縮放橢圓管是通過橢圓截面的交叉變化誘導產生強烈的二次流和多縱向渦流，而不連續雙斜向內肋管則是通過不連續的雙斜向內肋對的作用形成強烈的多縱向渦。 -
To derive the bernoulli equation, we apply the work-energy theory to the fluid in a section of a flow tube.
我們應用功能原理來導出流體在一段流管流動的伯努利方程。 -
The curve of arch rib, rib section bending, splice of rib sections, seperator of tube, bracing plates, bracing system, meeting of arch, concrete pumping, hangers, tie - rods, the tower of the cable crane and the guy ropes, technical specifications of cfst arch bridge are discussed
對鋼管混凝土拱橋的拱軸線選用、鋼管節段彎制、節段拼接、管內分隔倉、綴板設計、聯結繫系統、合龍設計及其細節、管內混凝土的泵送、吊桿、系桿、纜索吊機與扣索塔架、技術規范等12個問題進行了探討。 -
Including : the realization and motion method of weld machine working location, the technical method for circular cross - section, rhombus cross - section straight tube and cone tube, and introduced some actual examples of pressure fittings, operating system, motion mechanism ' s construction feature and disposition of the weld machines
包括：合焊機組工位移置的實現方法和運行方式；圓形和棱形截面的直管、錐管整形的工藝方法；通過實例介紹了行車式巨型管合焊機組壓力裝置、操縱系統、行走機構結構特點和焊接設備的配置。 -
Indicated from the results : influenced by geometric parameters analyzed above, the effect on tube filler hollow floor is similar with box filler hollow floor ; though differing from section properties between these two structures, the bear bending rigidities in the two perpendicular directions are almost the same
結果表明:薄壁筒芯空心樓板受以上分析的各幾何參數的影響效果與薄壁箱體空心樓蓋很相似;雖然兩種結構的截面特性不同，但抗彎剛度在兩正交方向基本相同。 -
The upper part and the submersible tube are connected together by a threaded section
上部和潛水管通過螺紋部分連接。 -
Experiments are conducted in a 5 m long, 60x60 mm cross - section shock tube, liquid drops acted by shock wave undergo deformation, breakup and atomization. based on experiments, the effects of shock velocity and drop diameter on drop breakup time have been discussed
採用ya ? 16高速照相機，詳細研究了液滴在激波作用下變形、剝離、破碎、霧化的全過程，並討論了液滴的破碎模式、激波強度和液滴直徑對液滴破碎時間的影響。 -
This thesis has made the contrast test of shrink and creep for plain concrete and concrete filled steel tubes on the basis of long term in - door test, obtains the principles of shrink - creep of concrete filled steel tube, simulates the test data, analyses and contrasts the coefficient of shrink and creep, thus offers reference for the calculation mode of creep, furthermore by introducing reasonable assuming at the same time, develops the calculation formula of equivalent elastic modulus at the same time, develops the calculation formula of equivalent elastic modulus, adopts common structure analyses procedure ansys to calculate the redistribution of section stress in the steel tube and concrete during operation
本文在長期的室內試驗的基礎上對素混凝土和鋼管混凝土做了收縮和徐變的對比試驗，得出鋼管混凝土的收縮徐變規律，對試驗數據進行了擬合，對鋼管混凝土的收縮和徐變系數進行了分析和比較，從而為鋼管混凝土的徐變計算模式提供參考，同時通過引入合理的假定，並結合由「齡期調整有效模量法」導出的混凝土徐變本構關系，推導出了鋼管核心混凝土考慮徐變影響后的等效彈性模量計算公式，並以此為基礎採用通用結構分析程序ansys對成橋后鋼管和混凝土應力重分佈進行了計算。 -
It is a difficult work to calculate the deflection of filament wound tapered tube at bending because of changing layer thickness in every cross section
摘要纖維纏繞的錐形管，由於各截面的纖維層厚在不斷變化，彎曲變形計算比較困難。 -
For simplicity, these assumptions are followed in the simulation : 1 ) the coronary artery is modeled as rigid tube with constant cross section ; 2 ) the blood is assumed as viscous incompressible newtonian fluid without weight ; 3 ) the blood flow is developing laminar and becomes fully developed at far downstream
實際生理條件下，血液是粘彈性流體，但據文獻表明，只要血管直徑不太小，血液粘彈性對流動的影響不大，可以忽略不記，本文也吸收了這一結論以簡化非關鍵過程，以提高工作效率。 -
In the analysis, a cfst arch ( single tube ) is first divided into a finite number of straight beam elements. according to the virtual work principle and the modified newton - raphson iteration method the tangent stiffness matrix considering double nonlinear properties is established. with regard to the non - equilibrium forces, the material nonlinear property along the height of the section and the length of the element is considered and the computation accuracy is improved as a result
本文首先將拱肋劃分為一系列的直梁單元，運用虛功原理和修正newton - raphan數值迭代演算法的基本原理準確推導了拱肋直梁單元的非線性切線剛度矩陣；在不平衡力方面考慮了沿截面高度和單元長度方向材料非線性的發展過程，提高了計算精度；再根據得到的切線剛度矩陣採用荷載增量步內修正newton - raphan迭代的增量迭代法進行了求解。
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