水力管道 的英文怎麼說
中文拼音 [shuǐlìguǎndào]
水力管道
英文
hydraulic pipeline- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 管 : Ⅰ名詞1 (管子) pipe; tube 2 (吹奏的樂器) wind musical instrument 3 (形狀似管的電器件) valve;...
- 道 : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
- 水力 : waterpower; hydraulic power水力剝離 [采礦工程] hydraulic stripping; strip with water; 水力采礦 hy...
- 管道 : [工業] pipeline; channel; tunnel; piping; canalis; pipe run; duct; conduit; conduit pipe; ducting...
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The hydraulic gradients of settling slurry flow transported in three kinds of moving states, i. e. suspension, saltation, or partially suspension were investigated, based on analyzing the changes of solid particles and water in momentum, velocity and their mass related to momentum exchanging over the acceleration period of the solid particles
從固體顆粒加速期間清水與固體顆粒的速度變化、動量傳遞、相關質量等基本問題分析入手,研究了沉降性漿體在水平管道內流動時其固體顆粒在3種流動狀態下的水力坡度,提出了沉降性漿體在水平管道內流動的機理模型,進而用該模型對一些輸送條件下的沉降性漿體的水力坡度進行了計算。Foundry products. ductile iron pipes for pressure pipelines. contrifugal cement mortar internal lining. composition controls of freshly applied mortar
鑄造產品.壓力管道用球墨鑄鐵管.離心水泥砂漿內襯.新使用砂漿的成分控制Recent years, with the full - blown development of the prestressed concrete technique, the prestressed technique with ring - like strands as the professional technique adapted to the penstock, has been applied to many civil engineering fields such as tunnels and surge shafts in civil engineering hydraulics and power engineering, containment shells of nuclear power station, industrial storage bunkers, digesters and conservation pools in municipal engineering
近年來,隨著預應力混凝土技術的成熟化發展,環形預應力作為適應壓力管道結構形式的專業技術,廣泛應用於水利水電工程隧洞和調壓井、核電站安全殼、工業儲料倉、市政工程消化池和蓄水池等諸多領域。目前,預應力混凝土壓力管道已得到了越來越多的重視和研究。The main work is done with the help of model experiment. in the flood - relief experiment, the flood carrying capacity of spillway tunnel is checked. in the hydraulic experiment of the diversion power conduit system, the followings are studied : the flow condition and fluctuation in the surge chamber, the distribution of flow velocity before the rack in the surge shaft, the amplitude of stage in the quick gate bay etc. the test step, content and results of different proposals are introduced in details
本項優化試驗研究的目的主要在於,通過泄洪系統整體水力學試驗,校核泄洪洞的泄流能力;通過發電引水系統整體水力學試驗,研究調壓井內水流流態和水位波動情況、調壓井內攔污柵前流速分佈情況;確定快速閘門井內水位波動幅度;試驗確定壓力管道水擊壓力穿井系數以及泄洪洞弧形門處的水壓力。The riveting and welding plant of the company has a very strong technical force, the technical personnel makes up more than 1 3 of the total staff, the company can also undertake the manufacture of various metallurgical structural equipment, formwork, gang board, oil tank, water tank, pipeline and dust - collecting and environmental protection equipment of various sizes, the company also undertakes the construction of bridge, concrete building as well as underwater and high - altitude operations from omniberaing etc. no matter what sizes and shapes of the forging and casting spare parts including special - shaped parts, we will never refuse you and promise to satisfy you with best quality and finish the task on schedule
公司鉚焊廠,技術力量十分雄厚,工程技術人員,佔全體員工的三分之一以上,可以承攬加工各種金屬結構設備模板跳板油罐水罐管道工程各種型號除塵環保設備,再如橋梁鋼筋混凝土建築,水下高空全方位作業等,除些之外,關于鑄造鍛造等工作不論大,中,小型部件,也能做到來而不拒,保證,保質,保量按期完成任務。This dissertation describes the studying of the whole construction of water - saving irrigation expert control system, the realization of hardware and software and low - cost soil - moisture sensor which is needed for water - saving irrigation. the distributed control system based on bus. according to real - time data of soil - moisture, water - level of sump, pressure of tube, etc. and irrigation knowledge in expert knowledge bases, it can make decisions such as when to irrigation, the water quantity to irrigation and the cost and benefit of the irrigation
本文對節水灌溉專家控制系統的總體結構、軟硬體實現以及節水灌溉急需的低成本土壤水分傳感器進行了研究,系統採用了基於總線的分散式控制結構,根據實時檢測的土壤水分、水槽水位、管道壓力等實時參數,知識庫的作物灌溉知識,分析決策灌水時間、灌水量、灌溉成本及灌溉效益。The paper introduces experience of selecting hydraulic calculation formula and illustrates calculation of critical velocity of flow ( or critical pipe diameter ) and friction loss of pressure pipe in tailings transport and how to select the formula with examples
介紹工程實踐中,選用水力計算公式的體會,對尾礦輸送中臨界流速(或臨界管徑)和壓力管道摩阻損失的計算以及如何選用公式分別作了舉例說明。Combined with the full scale models tested in - situ of prestressed concrete penstock with double circle unbonded strands and single circle bonded strands of xiaolangdi multipurpose dam project of yellow river, the advantages and disadvantages of two different prestressed systems are analyzed, the concrete stress distributions of the prestressed concrete penstock are induced and summarized during the whole tensioning strands stage. the consistence among the test results, the theory calculating and the three dimensional finite element analysis is proved. therefore, the theoretical method of prestressed concrete penstock is feasible
結合黃河小浪底水利樞紐工程在施工現場進行的採用雙層雙圈環形無粘結預應力鋼絞線和單圈有粘結預應力鋼絞線對排沙洞襯砌混凝土施加預應力的1 : 1模型試驗,對比分析了兩種后張預應力施工體系的優劣,歸納總結了預應力筋束張拉過程中預應力混凝土壓力管道結構管壁混凝土的內力分佈規律,驗證了模型試驗實測數據、理論計算和三維有限元分析結果的一致性,確定了預應力混凝土壓力管道理論計算方法的可行性。Plastics piping systems. injection - moulded socket fittings for solvent - cemented joints for pressure piping. test method for resistance to a short - term internal hydrostatic pressure
塑料管道系統.壓力管道用溶劑-水泥膠合接頭的注模承窩配件Use 425 cement can make c40 commercial concrete. 2 applied to the construction of thin - walled structures and caisson pile concrete. 3 applied to the large concrete which demand to decrease the heat of hydration
本系統可廣泛應用於建築屋面地面,隔墻板墻體填充砌塊熱力管道的保溫隔熱防水防腐與防滲等。The ascertainment of surges in surge tank and waterhammer pressure in pipe systems is the key point of the design of surge tanks and the safe function of the water power station
調壓室中的水位波動以及壓力管道水擊壓強的確定對調壓系統的正確設計和確保電站調壓系統的正常運行至關重要。The surges in the throttled, simple, downriver throttled and simple and differential surge tanks and the calculating method of the waterhammer pressure in pipe systems have been studied through the theoretic analysis and experiments in the paper
本文根據理論分析和模型試驗相結合的方法,研究了阻抗式、簡單式、尾水阻抗式和簡單式、差動式調壓室的水位波動過程和壓力管道水擊壓強的計算方法。Ductile iron pipes and fittings for pressure and non - pressure pipelines - cement mortar lining
壓力和非壓力管道用球墨鑄鐵管和配件.水泥灰漿內襯We succeeded in crossing hanjing river of zhong - wu gas pipeline project, dawen river of jining branch line of west - east gas pipeline using the technique of trenching in water, controlling negative buoyancy and bottom towing without water interception
公司採用帶水大開挖成溝,控制負浮力,管道底拖法等施工工藝,在江河不斷流的前提下,成功完成了忠武輸氣管道襄樊支線漢江穿越、西氣東輸冀寧支線大汶河穿越等工程。The difference formulation and boundary condition have been gained by the method of characteristics and the hydraulic transient basic formulation
從壓力管道水力瞬變基本方程出發,利用特徵線法求解了壓力管道水力瞬變的差分方程及邊界條件。In order to know the relationship between gas - content and pipeline ' s pressure drop, the thesis deduces the pressure drop calculating equations based on uniform flow pattern and separating flow pattern. the equations show that pressure drop is made up of three parts, that is, friction resistance effect, gas acceleration effect and the gravity effect. and the research has shown that the gas has little effect on pressure drop. in the horizontal pipeline, the resistance effect must be overmatched the acceleration effect
為探討加入的氣體對管道壓力的影響,本文基於分相流和均相流兩種模型分別推導了三相流管道的壓降公式,表明無論是分相流模型,還是均勻流模型,管道內流體總的壓降是由三項組成的,即摩擦項、加速項和重力項,並得出了加氣對管壓變化不大的結論,所以認為在水平管道中,要獲得有效的減阻,則要使摩擦阻力分量的減小效應大於漿體加氣的加速效應。Cast iron special castings for asbestos cement pressure pipe lines ; bends
石棉水泥壓力管道用鑄鐵的專用鑄件.彎管頭This paper main discussed the numerical simulative technique of the crack about reinforced concrete. and in this technique, the crack extending in some typical cases about the steel liner - reinforced concrete penstocks of the three gorges hydroelectric station is analyzed
本文主要探討了三峽水電站鋼襯鋼筋混凝土引水壓力管道的裂縫數值模擬技術,並用它分析了管道在幾種典型工況下的裂縫開展情況。As we all know that damage constitutional law of concrete is fit for solving mass little cracks situation, that fracture mechanics model is fit for solving only a few cracks situation, that separate crack model is only fit for dealing with those cracks whose locations is known firstly. but these situations do n ' t reflect the crack characteristic of the steel liner - reinforced concrete penstocks of the three gorges. so, this paper adopts the smear crack model to simulate crack
基於損傷力學模型更適合解決成群微裂縫問題,斷裂力學模型更適合解決少數裂縫情形,離散裂縫模式只能解決裂縫位置預先知曉的情形,這些都不符合三峽水電站鋼襯鋼筋混凝土引水壓力管道的裂縫特點,為此本文採用彌漫裂縫模式來進行裂縫的數值模擬,該裂縫模式能解決裂縫位置預先不知曉的情形,且能連續分析而無須重新劃分網格。Sewage pipe flow is hypothesized as single - phase and uniform flow, and we are used to applying the chezy formulas for designing sewer systems
目前的污水管道設計是將污水在管道內的流動視為單相均勻流,主要用謝才( chezy )公式進行水力計算。分享友人