hydraulic head 中文意思是什麼
hydraulic head
解釋
靜壓頭-
The additional flow is formed by the device of dentoid baffle, and the application of the device of dentoid baffle cooperated with a stilling basin has been investigated by systematic model tests. based on the research results, the hydraulic problems such as the characteristics of hydrodynamic pressure and cavitation on the head of the denotid baffle, the properties of flow under the condition that the device of denotid baffle is used with a stilling basin, the hydraulic computation about a stilling basin, the estimation of energy dissipation and its various affection factors, the mechanism and effect of energy dissipation, and distributions of velocity and pressure and aerating concentration, etc, have been analyzed ; the method and step of hydraulic design of device of denotid baffle by which the additional flow is produced has also been proposed
文中利用齒墩設施實現附加射流，對齒墩設施與消力池聯合應用進行了大量的和系統的模型試驗，分析研究了中低佛勞德數條件下，齒墩墩頭的動水壓強及空化特性，齒墩設施與消力池聯合應用時的流態特性，消力池的水力計算，消能量的估算及其各種影響因素，消能機理和效果，消力池內的流速、壓強特性，摻氣濃度分佈等水力學問題，並提出了實現附加射流齒墩設施的水力設計方法和步驟。 -
Baise hydraulic power plant lies in the head of yujiang river, which is 22km away from baise city
百色水電站位於鬱江上游，在百色上游22km處。 -
In many low head hydraulic structure, expecially canal system structure, we are used a dopting underflow energy dissipation
在眾多的低水頭水工建築物中，特別是渠系建築物中的涵閘下游，多採用底流消能。 -
A scheme to be formulated and submitted for approval to the harbour commissioners for the exploitation of white coal hydraulic power, obtained by hydroelectric plant at peak of tide at dublin bar or at head of water at poulaphouca or powerscourt or catchment basins of main streams for the economic production of 500, 000 w. h. p. of electricity
有個建造水力發電廠的計劃：利用都柏林沙洲的滿潮噗啦呋咔272或鮑爾斯考特瀑布273的水位差主要河流的流域來開發白煤水力發電，經濟生產五十萬水馬力的電力。擬好后，將提交港灣委員會，以便獲得批準。 -
Abstract : a research on theory and practice is conducted on the acoustic methods of discharge measurement in low head hydropower plant. taken hydraulic efficiency experiment in certain hydropower plant as examples, the general methods about how to locate the discharge measurement plane, install transducers and choose the integration methods are put forward. an improvement method is proposed finally
文摘:從理論上和實踐上，對低水頭電站超聲波測流進行了較為詳細的研究，並以某水電站為例，對測流斷面定位、聲路布置和面積積分給出了一般方法 -
In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively
本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討，取得以下主要成果：一、結合小灣工程導流洞改建，對高水頭（ 252m ） 、大泄流量（ 1400m ~ 3 s ）條件下旋流式豎井中的水流運動特徵進行了比較全面的測量，包括空腔形態、徑向流速分佈及井壁壓強等；二、提出了豎井空腔段螺旋水流水力計算方法，其計算結果與實測值吻合良好；三、利用試驗與計算結果，對旋流式豎井的消能機理進行了探討，對豎井各部分的消能能力有了總體認識；四、對豎井下部消力井的合理井深進行了優化試驗研究，發現消力井合理深度為0 . 9d左右；五、通過試驗研究，歸納出豎井水流總摻氣量估算方法，為導流洞排氣方案的設計提供了參考依據；六、在高水頭、大流量條件下，豎井空腔段下部流速很高，盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓，但空化數依然較低，因此豎井的空化空蝕始終是工程界關注的重大問題。 -
Producing single twin screw extruders including manual air blower, multi - die head, double - die stand automatic blow molding machine, storage type hydraulic hollow forming machine, dual - pipe pipe drawing machine set or pipe extruding machine set, bellows assembling set, specially - shaped materials assembling set, blow molding vacuum packing machine, granulator, and underwater granulating machine set, combined with distributing plastic packing bottle, can, bucket, box, case, film, belt, plastic toys, small specially - shaped products, draining pipe, transparent pmma pipe or transparent organic glass pipe for illuminations, plastic bellows, cable housing, cable groove, air pipe line, insulating pipe, dust absorbing pipe, drip tube, etc. flexible and hard pipe products
塑料廠自主開發直徑6 - 300mm的高檔塑料硬管，包括霓虹燈套管護欄燈管輪廓燈管汽車底盤燈管pe管pc管abs管ps管hips管as管pvc管pbc管pp管及異型材等等，能生產各種顏色及透明。擁有八條生產線的豪華陣容給予支持，模具車間自行開發模具，多種機床用於后續加工，使用進口原料，價格優越，品質引領潮流，在國內市場有著不可動搖的地位和實力。 -
To provide necessary data for design bypass pipe, an enlargement to bi liu river reservoir, the following problems have been studied by hydraulic model and theoretical analysis : the energy losses in water head of the bypass pipe system and of the flow - control valve and their scale effects, measurement and calculation of the discharge of the bypass pipe system during the bypass pipe system operation with and without the new water power station, the hydraulic characteristics of the water tunnel and draw - off pipe, the flow rate of the aqueduct bridge and the draw - off pipe and the water elevation of the flow in the aqueduct bridge during the old water power station operation with and without the new water power station
大連市碧流河水庫供水工程取水頭部由引水渡槽、節制閘、進水閘、泄水閘等建築物組成。由於本工程場地條件限制，增設旁通管后布置非常緊湊，管道急轉角度大且轉彎距離較小，對于管內水流流態是否滿足要求，需要經過模型試驗進行論證，以確保工程的可靠性。旁通管具有上水與泄水要求，對其過流能力也要經試驗確定，為碧流河水庫增建旁通管設計提供依據。 -
Metel is a manufacturing company for automotive since 1962, its products in 80 different countries, products include engine parts, valve guides, valve seats, valve shims, hydraulic lifters and cylinder head bolts, brake parts and hydraulic clutch parts line : wheel cylinders, master cylinders, pressure regulating valves, brake drums, brake discs, slave cylinders and clutch master cylinders, transmissions
該公司創建於1962年，主營汽車配件，其產品主要銷往80個國家，產品包括波箱，剎車鼓，發動機件，氣門導管，氣門座，氣門薄墊片，液壓舉升機，液壓蓋螺釘，液壓離合器件，液壓總泵，剎車盤，離合器分泵，離合器總泵。 -
The device sends out various random disturbance signals to the balancing valve circuit of the hydraulic system for the radial head check gate operating at the worst condition by using a computer
模擬實驗裝置根據工況最為惡劣的弧門啟閉機液壓系統的平衡閥迴路製作，採用計算機隨機給出各種干擾控制信號。 -
As for actual embankments, the hydraulic head, cross section shapes, properties of filled soil, geological conditions and so on all vary greatly, it ' s hard to define precisely the distribution of seepage field and take effective seepage prevention measures
因實際工程中堤防的作用水頭、堤身斷面、填土性質、地質條件等均千變萬化，導致難以全面而準確地分析其滲流場分佈並採取有效的防滲措施。 -
It has gained great importance by scholars in and out of the country, and is at the head research of hydraulic servo system
電液伺服加載系統的研究得到了國內外模擬和控制領域眾多學者的重視，並且一直是液壓控制領域的一個前沿課題。 -
Then the isoparametric finite - difference three - dimensional transient groundwater numerical model is presented. visual modflow, the most popular standard visualization software package approved by the hydraulic scientists and technicians on simulating the groundwater flow is used to simulate and calibrate the groundwater level and quantity of the research area. at last, the changes of the hydraulic head and the produced quantity in the future were predicted according to the tested parameter and the modified model
在水文地質概念模型的基礎上，進一步建立了研究區完整的三維有限差分非穩定流數學模型，利用目前國際上最盛行，且被各國同行一致認可的三維地下水流模擬軟體? ? visualmodflow對該區地下水的水位和水量進行模擬求解，最後，利用識別的參數和驗證后的模型預測了今後的水位變化趨勢和可開采量。 -
Along with construction of hydropower project, exploitation of ore, deposition of nuclear waste, development of terrestrial heat and so on, more and more geotechnical engineering is in the high hydraulic head, and deep embedded geohydrological condition, the hydraulic fracturing of rock mass is paid more and more attentions by engineering scholars
隨著水電工程建設、井工礦石開采、地下核廢料儲存、地熱開發等越來越多的巖土工程都處于高水頭、大埋深等惡劣水文地質條件下，巖體水力劈裂逐漸受到越來越多工程界學者的關注。 -
In order to derive this equation, one has to assume no spatial variability in k, f and n, to neglect the effect of capillary rise above the groundwater table, and to invoke the dupuit - forcheimer approximation, which states that the hydraulic head is independent of depth
圖1潛水面的示意圖為了利用dupuit - forcheimer假設推導出以上的方程，必須假設k ， f以及n t在整個潛水面上的空間不變性，同時忽略潛水面上的水分的毛細運動 -
About energy economization, mainly introduced how new technologies and methods are used in utilizing of hydraulic head, decreasing pressure and quantity, setting of fire - fighting system, water pump, supplying of hot water etc
關于節能，主要介紹了在給水管網水頭的利用方面，減壓節流問題方面，生活與消防系統設置方面，水泵方面，開水供應方面的節能新方法、新技術。 -
A shifting configuration of outflowing jet is recorded photogrqphically in the experiment, which behaves as “ polarised wave ”. several factors, which affect this phenomenon, are discussed, including nozzle shape, hydraulic head and surface tension
本實驗用攝像法記錄了一種特殊的管嘴出流形態，考察了這種變化的影響因素，初步分析了發生原因。 -
Head rotor hydraulic head, nozzle, elements plunger, delivery valve
油泵，柱塞，柴油，燃油，修理包，發動機，鉛筆油嘴 -
These equations were incorporated into a numerical procedure to discretize and solve the boundary value problem for hydraulic head and fluxes within fractured network
編制了離散裂隙網路模型單相穩態滲流程序fracflow 。其次，發展了用離散網路方法確定裂隙巖體等效水力性質的方法。 -
The changes of the hydraulic head, the water discharge and the area of the sediment outflow during the experiments are obtained
模擬二元結構堤基在不同防滲墻深度、位置條件下滲透變形的發生、發展過程。
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