泄水井 的英文怎麼說
中文拼音 [xièshuǐjǐng]
泄水井
英文
drain hat-box-
Using a vortex - flow drop shaft to convey water from a high level to a diversion runnel under the condition of high water - head and large discharge is a new kind of technology in the scheme of reusing a diversion tunnel as a discharge tunnel
近年來,為解決高水頭、大流量導流洞改建泄洪洞的技術難題,旋流式豎井泄洪洞逐漸成為研究熱點之一。但迄今為止,該技術尚未得到推廣應用,其主要原因在於人們對豎井螺旋水流運動特徵缺乏足夠的了解和深入的研究。Analysis on disadvantage of weepers in coal mines and its resolution method
煤礦井下泄水孔弊端分析及解決辦法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。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 cobalt well water circulation processing devices is designed according to the national standard gb17568 - 1998, considered from the cobalt safe operation, maintains well water quality steadily, the cobalt part leakage accident emergency processing measure and so on, perfect cobalt irradiation unit
鈷源井水循環處理器是根據國家有關標準gb17568 - 1998要求進行設計的,主要從鈷源的安全運行、保持井水的水質穩定、應急處理鈷元件泄漏事故措施等方面考慮,完善鈷源輻照裝置。Abstract : using a series of model tests, the properties of discharge capacity in the closed conduit due to inflow in gate shaft is studied and a method for estimating reducing discharge capacity is provided to designers
文摘:通過系統模型試驗,研究了泄水道因進口閘門井進水減小泄流能力的特性,並提出了估算方法,可供設計應用。The cause of pollution often thanks to accident, such as colliding, sinking of the ship, leaking of the oil field on sea and the underwater piping and so on
溢油均由事故引起,如船舶(特別是油輪)碰撞、翻沉、海上油井平臺和水下油管泄漏等。Furthermore, they argue, an expansion of offshore production would dramatically increase the risks of an environmental disaster such as the one that struck santa barbara in 1969, when an undersea well blew its top, releasing a slick that spread over 800 square miles of ocean and soiled 35 miles of coastline
他們進一步指出,海上石油的開采將會極大的增加如同1969年聖巴巴拉發生的生態危機(海上油井的泄漏,擴散方圓八百海里的水域,並且污染了35海里長的海岸線)的的幾率。Influence of condensate layer on oil drainage rate of steam - assisted gravity drainage in horizontal well
水平井蒸汽輔助重力泄油凝結水膜對泄油率的影響Standard test method for analytical procedure for analyzing the effects of partial penetration of control well and determining the horizontal and vertical hydraulic conductivity in a nonleaky confined aquifer
控制井部分滲透效應分析和無泄漏封閉蓄水層的水平和垂直液力傳導性測定標準試驗方法Through the analysis of factors relating to aquiferous features, contact with water, groundwater recharge, run - off, discharge and groundwater chemical characteristics, we determine the hydrogeological conditions in the no. 1 mine field and suggest a basis for deposit exploition
摘要通過對大南湖煤田一田含水層特徵、水力聯系、地下水補給、徑流與排泄及地下水化學特徵等因素的分析,確定該井田水文地質條件類型,為礦床開采提供依據。For example, the condenser algorithm considered the trouble condition such as the leak of tube, fail of seal in vacuum system, the lower shaft sea - ting steam pressure, pollute of tube, the high water level of hot - well. the heater algorithm considered the trouble condition such as the leak, pollute of feed - water pipe and high water level of heater
如凝汽器演算法考慮了銅管泄漏、真空系統密封不嚴、軸封蒸汽壓力低、銅管結垢污染、熱井水位過高等故障項目,加熱器演算法考慮了給水管道泄漏、給水管道污染、結垢、加熱器水位過高等故障項目。Firstly in the paper the research of hydraulic characters and the optimize of structure have being carried out on the four bigger design schemes of permanent internal dissipation discharge tunnel reconstructed from the right bank ' s diversion tunnel of gongboxia power station with a method of theoretical analysis combined with test comparisons. on this basis, two form swirling flow internal dissipation schemes, vertical and horizontal axis are recommended to the construction unit of the station as the schemes to be selected next
本文採取理論分析與試驗比較相結合的方法,首先對黃河公伯峽水電站右岸導流洞改建為永久式內消能泄洪洞的四個較大設計方案進行了水力特性的試驗研究與體型優化,在此基礎上,向建設單位分別提供了豎井旋流內消能的推薦方案與水平旋流內消能的推薦方案。分享友人