水洞試驗 的英文怎麼說

中文拼音 [shuǐdòngshìyàn]
水洞試驗 英文
water tunnel test
  • : 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...
  • : Ⅰ名詞(物體上穿通的或凹入較深的部分; 窟窿; 洞穴) hole; cavity Ⅱ形容詞(深遠; 透徹) profound; thorough; clear
  • : 名詞(古代占卜用的器具) astrolabe
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • 試驗 : trial; experiment; test
  1. The advantage and disadvantage of measurement of propeller - induced pressure by using different equipment is discussed. the method to obtain self - propulsion point for full scale in depressurized towing tank is studied. the measurements of pressure of two propeller models are carried out, the results of the measurement agree with those obtained by cavitation tunnel very well, which proves this measurement is successful, and the theoretical prediction is verified too

    比較了不同測設備用於螺旋槳脈動壓力測的優缺點,探討了在減壓拖曳池中實現實船自航點的方法,並進行了兩只螺旋槳模型的脈動壓力測,經與空泡中脈動壓力的測結果進行比較,說明該項測是成功的,同時也對脈動壓力的理論預報結果做了證。
  2. According to the test and observation indicated that mostly fish goes upstream and far away the sluiceway when fish migration, so fishway designed by us was arranged in the right bank of reservoir area and far away from the electricity generation hole intake upstream about 280 meters in order to induce the fish entering the fishway

    根據和觀察表明,魚類洄遊時大都沿岸上溯,同時應遠離泄道,故我們的魚道進出口是布置在庫區右岸,離發電進口上游約280米處,以利誘導魚類進入魚道。
  3. 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

    本文通過研究與理論分析對旋流式豎井泄洪應用於高頭、大泄流量情況時存在的一些力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流改建,對高頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的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力計算方法,其計算結果與實測值吻合良好;三、利用與計算結果,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研究,發現消力井合理深度為0 . 9d左右;五、通過研究,歸納出豎井流總摻氣量估算方法,為導流排氣方案的設計提供了參考依據;六、在高頭、大流量條件下,豎井空腔段下部流速很高,盡管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。
  4. Abstract : through a series of hydraulic model tests for researching actual power tunnel operation, a conclusion is reached that in order to get a better flow pattern the profile of the wate - carrying structure should be adapted to the variation of water streamline shrinkage, flow velocity and pressure intensity. the configuration and dimension of the kinetic energy dissipator should be selected carefully to make the water tunnel safe and reliable at different levels of diversion dischage

    文摘:針對實際工程中的發電引運行的各種工況進行了工模型研究,指明要獲得良好的流流態,過建築物各部位結構輪廓的造型應適應流流線的收縮、流速及壓強的變化;為使引在各級引流量下能安全可靠地運行,需慎重確定內消能工的體形和尺寸。
  5. Obtain these chief research achievements. ( 1 ) the method of hydraulic fracturing, kaiser effect experiment and the finite element numerical simulation computation results, the direction of maximum horizontal principal stress intersect the small - angle of tunnel axial line, it is favorable to the stability of tunnel peripheral rock ; according to the test rust of field stress - relief method, at the present time, zhe gu mount tunnel have n ' t access to high crustal stress site, maximum principal stress magnitude is 17mpa ~ 20mpa

    主要獲得以下研究成果: ( 1 )綜合壓致裂法、室內巖石kaiser效應和有限元數值模擬計算研究成果,最大平主應力方向與隧道軸線小角度相交,對隧道圍巖穩定性有利;根據現場應力解除法測結果,目前鷓鴣山隧道尚未進入高地應力段,最大主應力量級為17mpa 20mpa 。
  6. 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

    本項優化研究的目的主要在於,通過泄洪系統整體力學,校核泄洪的泄流能力;通過發電引系統整體力學,研究調壓井內流流態和位波動情況、調壓井內攔污柵前流速分佈情況;確定快速閘門井內位波動幅度;確定壓力管道擊壓力穿井系數以及泄洪弧形門處的壓力。
  7. The researches including discharge capacity, pressare properties, cavitation characteristics at some key positions, hoisting load of the gate, configuration of energy dissipator at the exit dentated - sill, and downstream scouring were performed by hydraulic model tests

    藉助系列工模型布埡放空的泄流能力、壓力特性及關鍵部位的空化特性、閘門啟閉力、出口鼻坎消能工體型及下游沖刷等進行了較深入的研究、分析。
  8. By comprehensive analysis of hydrogeology condition, hydrology monitoring and particles tracing tests in the cavity area of benxi, the paper researches on the recharged source and its condition of sub rivers this area

    摘要通過對遼寧本溪區域文地質條件、文監測和示蹤等資料的綜合分析,對本溪地下暗河的補給源及補給條件等進行了系統研究。
  9. Based on geochemical technical tests conducted in the yanzidong ore block, western yunnan, the authors used the hydrochemical survey as the grade 3 inspection method for high canyon target areas, and rearranged the methods for routine stream sediment survey and soil survey

    摘要根據在滇西燕子礦段的化探方法技術研究結果,將化學測量作為高山峽谷區靶區三級查證的方法,並對常規系沉積物測量、土壤測量的工作方法進行了調整。
  10. Experimental research on the hydraulic model of tangjiawan reservoir ' s flood - discharge tunnel

    唐家灣庫泄洪工模型研究
  11. Based on the moveable - bed model tests and some relative studies, it is found that the proposal reservoir for the hongshiyan hydropower station will be a heavy deposit reservoir, its sand - flushing sluice could not effectively de - silt and serious hidden - troubles exist in its diversion tunnel

    摘要待建的紅石巖電站庫屬嚴重淤沙型庫,通過動床工模型和有關研究分析發現,其沖沙閘排沙效果不理想,引存在進沙嚴重的隱患。
  12. Automatic control system for ventilating which has been used in the study of water tunnel supercavitating experiments has been designed in this paper

    本文設計了用於超空泡研究的充氣自動控制系統。
  13. By the prove of experiment, the system is reliable, stable and easy to use. it can fulfill the request of the experiment and resulted a good effect in the experiment

    使用表明,該系統工作穩定可靠,使用操作方便,能夠滿足超空泡水洞試驗研究的要求,並在中取得了較好的效果。
  14. Through discussion of numerical solution, the author get the effect of height of filled soil, size of culvert, width of valley, property of filled soil, construction procedure and techniques on soil stress of the culvert top ; 3. through the centrifuge test, the paper validates the reliability of numerical calculating on high - stack soil ; 4. the paper puts forward the simplified calculating method of soil stress of the culvert top on the foundation of numerical simulating and centrifuge modeling

    通過對數值解的討論,得到填土高度,涵截面尺寸,溝谷底部寬度,溝壁坡角,填築體性狀,施工速度,地下對豎向位移場及涵頂部土壓力的影響情況; 3通過離心機的模擬證了數值計算對高路堤的計算結果的可靠性; 4在數值模擬和室內離心機模型的基礎上,提出了高填方涵頂部土壓力簡化計算方法。
  15. Experimental study on water - wing phenomena for middle - piers of discharge tunnels

    泄洪中墩翅現象的研究
  16. In addition, the application of the present model to the " design of new sediment sluice at the taohe mouth in the liujiaxia reservoir " supports the experimental results conducted by the department of sediment research, iwhr

    在運用此模型對尚在立項中的「劉家峽庫增建洮河口排沙方案」進行計算時,計算結果支持了中國電科學研究院泥沙研究所的動床物理模型結果。
  17. The collapsible loess is often met during the construction of the high - grade highway in the loess area, and the main failure is the uneven subsidence of the roadbed and the culvert, which affects the safe usage of the roadbed and the culvert, etc. directed against this, based on the chankou - lanzhou freeway construction, the paper analyzes the application of the composite ground formed by lime - soil pile under the bridge and designs the project, discusses the rules of the contact pressure, the stress ratio of the pile and the soil, compares the p - s curves of one pile, the composite ground formed by one pile and the composite ground formed by two piles based on the in - situ plate loading test, evaluates the bearing capacity of the composite ground of the project

    黃土地區的高等級公路建設中經常遇到濕陷性黃土問題,其病害類型主要是地基土受浸濕后引起路基、橋臺、涵等的不均勻沉降,直接影響路基、構造物等的正常使用。針對此問題,本文依託甘肅讒口至蘭州柳溝河高速公路建設工程,對橋基灰土樁復合地基應用的可行性進行了深入分析,根據具體工程進行了合理的設計與計算,並配合現場靜載荷及壓力盒實測數據,探討了基底應力分佈規律,樁土應力比,變形模量的變化關系,對比分析了單樁、單樁復合和雙樁復合的p ? s關系,對橋基灰土樁復合地基承載力進行了整體評價。
  18. The aerated behaviours in cavitation region of high velocity flow through the non - circulating water tunnel are investigated by using the advanced experimental facilities in the hydraulics laboratory at zhejiang university of technology

    摘要本文用先進的量測儀器在浙江工業大學力學實室直流式中分別對高速流空化區、空蝕區的摻氣特性進行了較為系統的研究。
  19. The horizontal swirling flow internal dissipater tunnel being built in gongboxia power station will be the first one reconstructed from a diversion tunnel whose discharge reaches to 1000m vs and water head is more than 100m in china. its scheme ' s argumentation, test research and future apply will have important meanings to the design. research and engineering application of internal dissipation discharge tunnel with swirling flow, will powerfully promote engineering application of this new kind of dissipation mode, which may solve some high velocity problems in high dam construction and provide a engineering example for technological and economical augmentation in a diversion tunnel reconstruction. it is of theoretical and practical importance to promote hydraulic structure researches and development

    公伯峽電站右岸旋流內消能泄洪是國內第一個泄量達1000m s 、頭超過100m ,即將修建的旋流式內消能泄洪,其方案的論證與研究以及建成后投入使用,將在國內外旋流式內消能泄洪設計、研究與工程應用中具有重要的意義,將有力的推動這一新的消能形式在工程中的應用,從而為解決高壩建設中泄建築物的高速流問題與導流改建的技術與經濟問題提供工程實例,對推動與發展力學的研究與發展均具有重要的理論與實踐意義。
  20. Experimental constants include : ambient temperature 291k ~ 301k, rh 15 % ~ 21. 2 %, wind velocity 3. 2m / s at the nozzle position and horizontal to the spray fan, others are same as the fore experiment. the tendency of the two experiments results is consistent with the tendency from simulation. that indicate the improved shield spray is better than the original shield spray in reducing spray drift, and also more better than conventional spray without shield

    參數:噴霧藥液為含1 bsf的溶液,風速1 . 4m s ,風向垂直於噴霧扇面,溫度281k 288k ,相對濕度rh9 20 ;室內參數:噴霧藥液為含2 bsf的溶液,噴頭處風速為3 . 2m s ,風向平行於噴霧扇面,溫度291k 301k ,相對濕度rh15 21 . 2 ;分別在噴頭下風向噴幅外的空中和地面布點收集飄失和飄移沉積的霧滴量,作為評價減少霧滴飄失效果的指標:結果表明:改進后的罩蓋噴霧減少霧滴飄失的效果好於雙圓弧未開口罩蓋噴霧,常規無罩蓋噴霧的霧滴飄失量大於開口罩蓋噴霧。
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