hydraulic pressure head 中文意思是什麼

hydraulic pressure head 解釋
水壓壓頭
  • hydraulic : adj. 1. 水力的，液力的;用水發動的。2. 液壓的，水壓的。3. 水力學的。4. 【建築】水硬的。adv. -lically
  • pressure : n 1 壓；按；擠；榨。2 【物理學】壓力，壓強；大氣壓力；電壓。3 精神壓力，政治[經濟、輿論等]壓力。4...
  • head : n 1 頭，頭部，首。2 頭腦，才能；智力，想像力，理解力。3 前部，上部；頂端，尖突部；船長；（書頁等...
  1. 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。
  2. 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。
  3. 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。
  4. The hydraulic analysis of pump for suction penetration of bucket foundation as well as the pressure head relation between bucket cavity and pump inlet for different water depths and different pump mounting heights are described in this paper

    對桶形基礎平臺負壓沉貫過程中汲水泵機進行了初步水力分析，討論了不同水深、不同泵機安裝高度情況下，桶腔和泵機進口之間的壓頭關系。
  5. 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。
  6. It is composed of open type engine body, hydraulic power cylinder, upper pressure head, and lower type box. the type box can be collocated with manual four - positions renewal

    有開式機身、液壓動力缸、上壓頭、下字盒等組成。下字盒可配手動四位根據用戶要求更換。
  7. Based on the head loss coefficients obtained from gardel ' s semi - empirical equations for t - junction flow and experiment of welded t - junction, the hydraulic characteristics of throttled surge tank are estimated and compared with those gotten from hydraulic experiment. 3. four different methods of determining the head loss coefficients of throttled surge tank have been employed to investigate the effect of methods afore mentioned on the accuracy of calculating surge and pressure head of throttled surge tank

    給出了基於gardel關於三通管水頭損失系數的經驗公式、焊接t形三通管水頭損失系數的實驗資料及截面突變管道的水頭損失資料，計算有連接管的阻抗式調壓室在不同流態下水頭損失系數的計算方法，並將這兩種方法計算得到的調壓室局部水頭損失系數分別與模型試驗成果進行了比較和分析； 3
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