cavitation damage 中文意思是什麼

cavitation damage 解釋
空化損壞
  • cavitation : n. 1. 【航空】氣穴現象；氣渦現象。2. 【物理學】成穴；空化，（超聲波的）空穴作用；【醫學】成洞，成腔。
  • damage : n 1 損害，損傷；〈口語〉傷害，毀壞。2 〈口語〉費用，代價。3 〈pl 〉 【法律】 賠償損失；賠償金。vt...
  1. Countermeasure of coal mine pump cavitation damage

    礦用水泵汽蝕損傷的對策
  2. Analysis and treatment of draft tube inner lining cavitation damage

    水輪機尾水管里襯氣蝕破壞的分析處理
  3. Analysis and treatment on cavitation damage in liner of turbine draft tube

    水輪機尾水管里襯汽蝕破壞分析處理
  4. A kind of measurement was developed to measure the air concentration of water and the result showed the possibility of entrained air existing near the wall of drop shaft. that is to say, the wall of drop shaft may be protected by entrained air from cavitation damage to some extent

    本文設計了一種適用於近壁區水流摻氣濃度測量的方法，對空腔段水流摻氣濃度進行初步測量，發現井壁附近水流存在摻氣的可能，這對改善水流空化條件能起到積極作用。
  5. Closer throttling, creating higher pressure drops may cause cavitation or excessive velocities which could cause high noise levels, vibration and possible damage to the valve or adjacent piping

    如果節流較小，將因此產生更高的壓降將可能導致空穴現象或超快流速，從而導致噪音太高，振動劇烈，可能損壞閥門或相鄰的管路。
  6. Abstract : according to the cause and the damage of the feed water pump cavitation resulting from the turbine ' s load rejection, this paper analyzes the condition about presenting cavitation by calculating the largest difference of the pump inlet ' s cavitation residue in the transient process of the deacrator and proposes the measures about presenting cavitation

    文摘:根據汽機甩負荷造成給水泵汽蝕的原因及危害，從計算除氧器暫態過程中給水泵入口汽蝕余量的最大降落值入手，分析防止給水泵汽蝕的條件，提出預防措施。
  7. Computer auxiliary study on cavitation and damage in hydraulic valve abstract applicant : li zhibo supervisor : associate professor hu guoqing professor lin qi a phenomenon of cavitation and damage in flow field and the principle of cavitation and damage in hydraulic valve and its influencing factors are studied in the paper

    所以液壓閥內的空蝕空化研究是經濟建設中一個非常重要的課題。本文討論了流場內部的空蝕空化現象的形成機理及影響因素，主要針對液壓閥內空蝕空化現象進行研究。
  8. The liner of turbine draft tube in ankang water power station was punched by cavitation, which leads to welding crack, metal shed and concrete delve, water spurting out. the cause of the damage is analyzed, the treatment is expounded

    論述了安康水電站水輪機尾水管里襯被汽蝕破壞穿透、焊縫開裂、撕裂掉塊、混凝土掏空、大量噴水的事故原因及處理方法。
  9. Abstract : the liner of turbine draft tube in ankang water power station was punched by cavitation, which leads to welding crack, metal shed and concrete delve, water spurting out. the cause of the damage is analyzed, the treatment is expounded

    文摘:論述了安康水電站水輪機尾水管里襯被汽蝕破壞穿透、焊縫開裂、撕裂掉塊、混凝土掏空、大量噴水的事故原因及處理方法。
  10. Until now, there have been a few reports on the damage of the water pumps caused by sand and water cavitation. by use of the test loop for solid and liquid two phases, under the condition of 3 % head drop, the damage location and relative degree of the sand and water cavitaiton occurred on the impeller were tested and researched. the result was, them, compared with the results under the condition that water cavitation occurred and no cavitation but only wear occurred. the differencts were analyzed. the analysis result can be used as the basis of the further research and the improvement of the impeller shape

    目前含沙水汽蝕對水泵損傷方面的報導甚少，本文利用固液兩相流試驗臺，對離心泵閉式葉輪在含沙水汽蝕時（ 3揚程下降點）的損傷部位和相對程度進行了試驗研究，並將此結果與清水介質發生汽蝕時的損傷情況[ 13 ]及含沙水無汽蝕情況下的磨損情況[ 7 ]相比較，對其差異進行了分析，為今後進一步探討葉輪損傷機理和葉型改進提供了實驗依據。
  11. The definitions and the conditions of cavitation erosion and flash vaporization have been discussed in detail ; the paper also shows examples of different definitions in different books, which cause the complexity of calculating discharge factor and the damage to control valve ; suggests relevant measures to avoid the damage in real working condition

    摘要對氣蝕和閃蒸的定義、產生的條件進行了詳細論述，以規范不同版本書籍在概念上的模糊不清，以及由此造成的調節閥流量系數計算的復雜性和對調節閥的損害，以便採取相應措施，在實際工況條件下加以避免。
  12. According to the cause and the damage of the feed water pump cavitation resulting from the turbine ' s load rejection, this paper analyzes the condition about presenting cavitation by calculating the largest difference of the pump inlet ' s cavitation residue in the transient process of the deacrator and proposes the measures about presenting cavitation

    摘要根據汽機甩負荷造成給水泵汽蝕的原因及危害，從計算除氧器暫態過程中給水泵入口汽蝕余量的最大降落值入手，分析防止給水泵汽蝕的條件，提出預防措施。
  13. The growing and collapsing of gas bubbles and cavitation not only damage the flow continuity and reduce the working mediums physical performance, but also influence the propagation of pressure pulsation

    氣泡和氣穴的產生及破滅不僅破壞了流體的連續性、降低了介質的物理特性，而且還會影響壓力脈動波的傳播過程。
  14. The distribution of cavitation parameter can be derived from the distribution of pressure, and on the basis of the distribution of cavitation parameter, the cavitation & damage in the hydraulic valve is decided

    在流動的運動參數（ ? ） ， （ ? ） ， ，和壓力p的分步數值計算后，得到閥腔內流體流動規律與壓力分佈場。
  15. Design of the watts automatic control valve minimizes potential valve damage that can be caused by cavitation

    美國瓦茨自動控制閥的結構將可能導致空穴現象的閥門損壞潛在危險降低到最小程度。
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