液體可壓縮性 的英文怎麼說
中文拼音 [yètǐkěyāsuōxìng]
液體可壓縮性
英文
liquid compressibility-
The compressibility of the chamber gases or feed line liquids allow for the existence of wave motions.
室內氣體或供應管道液體的可壓縮性可以使波動現象存在。Fluid noise mainly comes from out put pulsation of rate of flow, the main reason of out put pulsation of rate of flow is the instant high pressure return flow that obturation cubage produced when the big round curve pressure transition. the v trough on the port plate can reduce the fluid noise. in this paper, the author based on the acting of dam a river and condensability of liquid and used matlab language as tool to calculate the v trough on the original port plate and drew out the p - t diagrammatic curve and analyzed its shortcoming and improved the design of original v trough and got that the best size of its angle was 12. 3 and its length was 5mm and the cross section was an equilateral triangle
流體噪聲主要來源於輸出流量脈動，造成輸出流量脈動的主要原因是閉死容積在大圓弧段壓力切換時產生的瞬時高壓迴流，在配流盤上開設v型尖槽可降低因高壓迴流而引起的流體噪聲，本文以截流作用和液體的可壓縮性為理論依據，以matlab語言為工具，對原配流盤上的v型尖槽進行了理論計算，繪制出p - t圖線，分析了它的不足，並對原有v型尖槽進行了優化設計，得出了v型尖槽的最佳幾何尺寸：配流盤平面上的v型尖槽的兩邊的夾角為12 . 3 ，槽長5mm ，槽的橫截面為等邊三角形。9 series pressure cavity is made of stainless steel single unit integration structure by processing so may guarantee for the better seal performance. the characteristic of product are no o - ring, no welded, no silicon oil or other organic, structural durability ; the most apply to pump and compressor, liquid pressure and pneumatic system, go - anywhere vehicle, energy and water processing system, pressure instrument, refrigerating equipment, agricultural machinery device, locomotive braking system
9系列壓力腔採用不銹鋼單件一體式結構加工而成，因而可以保證較好的密封性能， 9系列產品的特點是無o形圈無焊縫無硅油或其它的有機物，經久耐用，主要應用於泵及壓縮機，液壓及氣動系統越野車能源及水處理系統壓力儀表冷凍設備農機設備機車剎車系統。With the very low water to cement ratio, rpc has ultra - high strength high ductility and low permeability. in this paper, the compressive strength of rpc can reach to a high point with the number approximately 135mpa. as illustrated from the study results, we can approve some fundamental conclusions : there are big effects on rpc with deferent kinds and properties of raw materials and deferent curing conditions ; stress - strain curve shows the process of destroy with rpc samples ; x - ray diffraction analysis indicates that heat treatment at temperatures 90 accelerate the hydration of rpc sharply, therefore, mechanical and microstructural properties of rpc are highly dependent on heat treatment ; it is believed that rpc materials have excellent resistance to chloride permeability ; during the heat treatment, the shrinkage of rpc developed quickly because of chemical reactions ; the rpc with slag mostly has the advantage of rpc without slag about resistance to solutions corrosion
研究結果表明：通過對rpc各組分摻量變化的研究，可以找到rpc的最優配合比；試件成型后的熱養護制度對rpc的性能影響巨大； rpc的抗壓應力?應變曲線可以反映出試件受破壞時微裂紋的擴展情況，剛纖維的摻入可以大幅改善rpc的韌性； rpc在成型后存在較大的收縮，而其中的化學收縮要遠遠大於乾燥收縮； rpc具有很強的抗氯離子滲透性能，漿體的密實度很高；通過x射線衍射實驗，可以發現rpc的膠凝體中ch晶體已經幾乎不存在，膠凝體主要由c - s - h凝膠和未水化水泥顆粒組成；在抗溶液侵蝕的實驗中，摻礦渣rpc的抗溶液侵蝕性能在絕大多數情況下要好於不摻礦渣試件，酸、堿溶液和浙江工業大學碩士學位論文摘要一些鹽溶液都會對rpc的結構產生侵蝕作用，但是機理各有不同。Pneumatic fluid power - components using compressible fluids - determination of flow - rate characteristics
氣動液壓動力.用可壓縮流體的元件.流動速率特性的測定Aimed at the practical performance of soft clay, the static equilibrium equations taking consideration of effect of mass change, with the introduction of soil configuration, soil convection formula and mass conservation theory in soil, are derived, which reveal the phenomenon of coupling of total stress and seepage in equilibrium equations. then, some advisable experimental means are explored to determine the effect of mass change during consolidation. objective stress and strain should be used in large strain analysis
針對軟粘土大變形固結的實際性狀，文中引入了土體構形的概念，土體傳運公式和土體質量守恆定律，並由此導出了考慮變質量效應的大變形固結靜力平衡方程，揭示了平衡方程中存在的總應力與滲流相互耦合的效應，並考慮了固液兩相的可壓縮性，進一步探索了測試變質量效應的試驗方法。In the paper, the influence of the westphal ' s pheonmenon of the movement of the pump valve and the compressibility of the liquid on the continuous flow condition of liquid in the cylinder being not only comprehensively considered, but also the dynamic property of the pump valve being reserched, a new accurate dynamic model used to describing movement of the pump valve is set up
本文綜合考慮了液體可壓縮性、泵閥運動的魏氏效應對泵筒內液體連續流條件的影響，並考慮了泵閥運動的動力特性，建立了新的泵閥精確運動微分方程，該數學模型不存在奇點問題。Aiming at the essential defect of pneumatic medium, pneumatic hydraulic combination control ( phcc ) servo system is formed, in which the liquid medium with low compressibility and high viscosity is introduced into a normal pneumatic servo system and is closed - looped controlled simultaneously
氣液聯控伺服系統正是基於克服或者補償氣體介質的根本缺點，將可壓縮性小、粘度較大的液體介質引入到常規氣壓伺服系統中，並進行控制而構成的一種新型的氣、液介質復合控制系統。The results show that the existing of the fluid phase has great influence on the propagation of rayleigh waves. when compressibility of the solid grains are considered, the speed of rayleigh waves is not only decided by the speed of the fast wave and the quasi - transverse wave in the solid skeleton, but also affected by the speed of the slow wave
指出橫觀各向同性含液飽和多孔介質中，流體相的存在對瑞利波的傳播特性有很大影響，當考慮固體顆粒的可壓縮性時，瑞利波的波速不僅取決于固體骨架中快波和剪切波的波速，而且受慢波波速的影響。Taking the hydrostatic equilibrium of axial force of pump dm360 as the example, this paper elaborates design calculation and dynamic - static characteristic analysis of hydrostatic bearing with twisting plate throttle, derives design parameters and formulas of bearing structure, discusses effects of various main factors ( oil viscosity, compressibility, distortion coefficient of twisting plate, pressure of oil source, and bearing clearance ) on dynamic characteristic, and obtains some conclusions about the application of hydrostatic bearing in engineering practice
本文以dm360型泵軸向力的液體靜壓支承平衡為例，對扭板節流靜壓支承的設計計算和動靜態特性分析進行了較為詳盡的闡述，推導出支承結構的設計參數和公式，討論了各種主要因素（油液的粘度、油液的可壓縮性、扭板變形系數、供油壓力、支承間隙）對支承動態特性的影響，給出了一些結論。If by their ticket enforcement agencies use the power, control valves can be divided into pneumatic, electrical, fluid movement three, namely to compressed air to power sources pneumatic - valve to call for the engine electric control valves for the liquid medium ( such as oil ) pressure - driven electricity fluid moving control valves, and their functions and characteristics hours are electromagnetic valves, electronic style, smart, floor bus - control valves
如果按其所配執行機構使用的動力，控制閥可以分為氣動、電動、液動三種，即以壓縮空氣為動力源的氣動調節閥，以電為動力源的電動控制閥，以液體介質（如油等）壓力為動力的電液動控制閥，另外，按其功能和特性分，還有電磁閥、電子式、智能式、現場總線型控制閥等。分享友人