空蝕試驗 的英文怎麼說

中文拼音 [kōngshíshìyàn]
空蝕試驗 英文
cavitation test
  • 空 : 空Ⅰ形容詞（不包含什麼; 裏面沒有東西或沒有內容; 不切實際的） empty; hollow; void Ⅱ名詞1 （天空） s...
  • 蝕 : Ⅰ動詞1. （損失; 虧耗） lose 2. （腐蝕） erode; corrode Ⅱ名詞（天體現象） eclipse
  • 試 : 名詞（古代占卜用的器具） astrolabe
  • 驗 : 動詞1. （察看; 查考） examine; check; test 2. （產生預期的效果） prove effective; produce the expected result
  • 空蝕 : [冶金學] cavitation corrosion; cavitation damage; cavitation erosion; cavitation
  • 試驗 : trial; experiment; test
  1. Test method for aerial cable corrosion protection flow

    架空電纜防腐蝕變形的試驗方法
  2. Testing method for cavitation erosion of fine ceramics

    細陶瓷的空蝕試驗方法
  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。
  4. The method of vibration cavitation erosion test

    振動空蝕試驗方法
  5. The cavitation doesn " t appear on the front of aeration - baffle under the conditions that the aeration - baffle surface smoothness is controlled and that a lot of air is supplied from the back of the aeration - baffle

    在控制墩頭邊壁不平整度及墩后大氣充分供應條件下，墩頭在試驗范圍內不產生空蝕。
  6. 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水力學實驗室直流式水洞中分別對高速水流空化區、空蝕區的摻氣特性進行了較為系統的試驗研究。
  7. Aerospace series. paints and varnishes. corrosion test by alternate immersion in a buffered sodium cloride solution

    航空航天系列.塗料和清漆.用交替浸漬在含有緩沖劑的氯化納溶劑中進行腐蝕試驗
  8. Standard test method for air erosion of sprayed fire - resistive materials applied to structural members

    結構構件上噴塗防火材料的空氣腐蝕的試驗方法
  9. Aerospace series - cables, electrical, aircraft use - test methods - scrape abrasion

    航空航天系列.飛行器用電纜.試驗方法.擦傷腐蝕
  10. Through measuring slope forms on the spot, serried sampling, physical and chemical analyzing, and measuring soil erosion from natural and artificial rainfalls, the project researched in the approaches and behaviors of soil erosion affecting contents of soil carbon and nutrient, and the law of soil carbon and nutrient distributing in micro - topographty under influences of soil erosion. in the same time, supported by geographic information system, models of soil carbon and nutrient changing with soil erosion have been built, and spatial processes of soil erosion affecting soil carbon and nutrient have been simulated, and annual and long - term changing of soil carbon and nutrient under impact of soil erosion have been estimated and forecasted, and synchronously, a elementary assessment for different soil erosion management has b een performed by using the models built in the study

    本研究以三峽庫區秭歸縣水田壩鄉王家橋小流域四個徑流試驗區二十個標準小區為研究對象，通過坡形實地測量、坡面密集采樣的顆粒分析和養分含量分析以及人工模擬降雨實驗，研究了土壤侵蝕對土壤碳和養分的影響途徑和表現，侵蝕作用影響下土壤碳和養分在微地形空間的分佈規律；同時，在地理信息系統的支持下，建立了侵蝕條件下的土壤碳和養分變化模型，模擬了侵蝕對土壤碳和養分影響的空間過程，預測了侵蝕影響下土壤碳和養分的年變化及多年變化，並通過研究建立的模型對不同侵蝕控制措施進行了初步的效益評價。
  11. The coating was tested for physical - mechanical properties and in corrosive atmospheres

    我們已對該塗料進行了物理力學性質試驗，並在腐蝕性空氣中對其進行了測試。
  12. Aircraft industry. paints and varnishes. stress corrosion test for painted test pieces under a constant load

    航空工業.塗料和清漆.塗漆試件在恆定負載作用下的應力腐蝕試驗
  13. Unsteady separated flow, produced during the gate - opening period in the reverse radial gate tunnel of a high - lift shiplock, is characterized by negative pressure and high velocity as well as their intense fluctuations in space and time and could easily result in various harmful phenomena such as cavitation, gate vibration and sonic boom, which have been observed and confirmed by prototype and physical model tests

    高水頭船閘輸水反弧閥門開啟過程中，后廊道內發生急變分離流，負壓、高速水流以及壓力與流速的劇烈時空脈動變化容易誘發空化空蝕、門振和聲震等有害現象已被原型觀測和物理模型試驗研究證實。
  14. The numerical simulation and experimental research made on the characteristics of the clearance cavitations in kaplan turbine are described herein ; in which the analysis mainly is concentrated on the characteristics of leakage - vortex caused by the flow of the clearance between blade tip and blade chamber, that occurs at the front - pressure side of the blade, and the intensity of the secondary - flow - vortex ; furthermore, the relationship in between the leakage - vortex, secondary flow vortex, cavitations and erosion are analyzed as well

    摘要對軸流轉槳式水輪機輪緣間隙流動及空化特性進行數值模擬和試驗研究，重點分析輪緣間隙流動在正面頭部泄漏流動所引起的泄漏渦帶、二次流動的漩渦強度和空化特性，以及泄漏渦帶旋轉、二次流動的漩渦與空蝕和磨損之間的關系。
  15. Study on accelerated tests for atmospheric corrosion of aeronautical aluminum alloy

    航空鋁合金大氣腐蝕加速試驗研究
  16. Passing the cold air - dynamic test, thermal efficiency test and practical running, we can conclude the technology is viable in setting the high temperature corrosion of the water wall tubes of boiler and increase thermal efficiency ect

    從冷態空氣動力場試驗、熱態效率試驗和實際運行方面出發，驗證此項技術在解決鍋爐水冷壁高溫腐蝕以及提高鍋爐熱效率等方面的可行性。
  17. Through comparison, it can be seen that the turbulent coherent structure near the wall influences directly the striking effect of the bubble and sand. a new proposal is put forward at the end of the thesis that the destruction caused by the combination of cavitation and sand abrasion can be mitigated by means of controlling the turbulent coherent structure near the wall

    最後用有關的結論對過去的空蝕與泥沙磨損聯合作用的一些試驗觀測結果進行了定性的分析、評述，並提出通過控制擬序結構的發生以達到控制空泡、沙粒對壁面的沖擊作用是減輕磨蝕破壞的一條新的途徑。
  18. Aerospace series. test methods for paints and varnishes. filiform corrosion resistance test on aluminium alloys

    航空航天系列.塗料和清漆的試驗方法.耐鋁合金絲狀腐蝕的試驗
  19. Aerospace series. test method for dry film lubricants. corrosion test on steel specimens

    航空航天系列.干膜潤滑劑的試驗方法.鋼試樣的腐蝕試驗
  20. Corrosion of metals and alloys - corrosion in artificial atmosphere - accelerated corrosion test involving exposure under controlled conditions of humidity cycling and intermittent spraying of a salt solution

    金屬及合金的腐蝕.調節空氣中的腐蝕.暴露于間歇噴灑鹽溶液和潮濕循環受控環境下的加速腐蝕試驗
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