water-hammer pressure 中文意思是什麼

water-hammer pressure 解釋
水沖擊壓力
  • water : n 1 水；雨水；露；〈常作 pl 〉 礦泉，溫泉；藥水。2 〈常 pl 〉水體；水域；水道；海；湖；河；海域；...
  • hammer : n 1 槌，鐵錘，榔頭。2 【機械工程】唇錘，杵錘。3 （會議主席或拍賣人用的）小木槌。4 槌狀物，（電鈴...
  • 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...
  1. Secondly, detailedly analyzing reasons inducing these problems, author finds it is that not thinking of the slope of pipeline and the friction in the process of producing water hammer pressure functions, but, thinking of the effect of the slope of pipeline in the process of producing the consequent water hammer calculative continuity function, which results in the inconsequent illogicality in the whole process of producing

    接著，對這些問題存在的原因進行了詳細分析，發現在當前推導水擊壓強公式的過程中沒有考慮管道的傾斜度和摩擦阻力的影響，而在後面水擊計算的連續性方程的推導過程中則考慮了管道的傾斜度，這就導致了在當前連續性方程的整個推導過程中前後矛盾的不合理現象。
  2. It would not be influenced by the vibration, fluctuating steam pressure, and the water hammer

    不受震動、蒸汽壓力波動和水錘的影響。
  3. Water wave pump combines the functions of air wave charger and water hammer pump to show fine performance, where the total energy of inflow is redistributed to heighten the presure of a part of the the flow to the desired level whereas for the rest of flow a low level of pressure is maintained, which causes moving water with high energy to reach to a higher place

    水波泵是一種巧妙地綜合氣波增壓器和水錘泵功能的全新的水泵，它通過合理利用水波動力的特殊性質，將來流中的總體能量進行重新分配，使一部分來流水提高到所需的高壓力，而其餘部分水則降到較低的壓力，即完成一個大多數能量向部分來流水轉移的過程。
  4. Effect of pressure conduit structure movement on water hammer pressure

    有壓管道結構運動對管內水錘壓力的影響研究
  5. The installation of a water hammer arrestors ( watts series 05 ) or water pressure regulator ( watts series 1156 or 25aub ) may be required to correct the problem

    可能需要安裝一個水錘捕集器（美國瓦茨系列05 ）或水壓調節器（美國瓦茨系列1156或25aub ）來解決這個問題。
  6. Check valve applied in descreasing water hammer pressure when the pump stops

    止回閥在減小停泵水錘壓力中的應用
  7. The effect of variation in surge shaft section size upon the reflection of water hammer pressure and the speed of quality fluctuation attenuation

    調壓井斷面尺寸變化對水錘壓力反射及質量波動衰減速度的影響
  8. Abstract : according to the characteristics of solid - liquid two - phase flow, the equation of motion and the equation of continuity for hammer computation are deduced in this paper. the equations are applied to analyze the effect of different prevention deveces used to relieve water hammer pressure in pipeline transport with displacement pumps. it is concluded that the air vessel and pressure relief valve are better than other devices

    文摘:本文針對固液兩相流的特點，建立了水擊計算的運動方程及連續方程，並採用新方程對礦山常採用的容積泵輸送中使用的儲氣罐、泄壓閥、緩閉逆止閥等減緩水擊壓力的防護措施進行了計算分析，得出儲氣罐、泄壓閥減壓效果最好的結論。
  9. The hemodynamic change induced by embolization of the cerebral arteriovenous malformation was analyzed using the water hammer principle. the highest pressure that can be reached when the water hammer phenomenon occurs was calculated. the acute instantaneous pressure rising may be an important factor leading to intracranial hemorrhage or swelling when the avm is embolized. it is shown that long feeding artery of avm will increase the possibility of direct water hammer, and high wall shear stress of feeding artery will increase the water hammer pressure. this suggests that such kind of avms should be embolized stepwise and the systemic pressure should be rationally reduced before embolization

    以水擊原理分析了腦avm栓塞治療時血液動力學變化過程，計算了瞬時水擊壓力可能達到的最高值。瞬時增高的水擊壓力可能是avm栓塞時發生急性腦出血或腦腫脹的重要血液動力學因素。而avm供血動脈血管壁面切應力偏高和供血動脈過長可增加水擊的危險程度，提示對這類結構avm栓塞治療時應採取合理的降壓措施並盡可能分多次栓塞。
  10. Based on physical experiments, establishing mathematical model, carrying on theoretical calculations, and contrasting experimental results with theoretical ones, it turned out that under the same initiate flow rate, the quicker the closing of the ball valve, the longer the stable time when the liquid gets to vaporizing pressure, and the bigger the water hammer in water interception collision ; under the same closing velocities of the ball valve, the larger the initiate flow rate, the longer the stable time when the liquid gets to vaporizing preesure, and the bigger the water hammer in water interception collision

    在試驗研究的基礎上，建立了含氣水錘數學模型，進行數值計算，並與試驗結果進行了比較，結果表明，在管道初始流量相同的情況下，球閥關閉速度越快，液體達到汽化壓力凡時穩定的時間越長，彌合水錘壓力也越大;在球閥關閉速度相同的情況下，管道初始流量越大，液體達到汽化壓力凡時穩定的時間越長，彌合水錘壓力也越大。
  11. Research on water hammer with gas in pressure conduit system through physical experiments, researches on pressure conduit system with gas releasing and liquid column separating, which consist of observing flow patterns, testing the conditions under which liquid column separation brings into existence and the water hammer in water interception collision, and studying effects resulting from gas content and different water velocities in pipeline, was done

    3 、輸水管道系統中含氣水錘研究通過物理試驗，對有壓輸水管道系統中的氣體釋放與液柱分離進行了研究，觀察其流態、測試液柱分離發生的條件及斷流彌合水錘壓力，研究了含氣量、流速等參數對液柱分離的影響。
  12. Corresponding to the correct water hammer mathematic model ( 3 ), the character difference equation is by comparing the new mathematic model with the old mathematic model, the last calculative part of paper argues the falseness of the current water hammer mathematic model, makes use of the improved character line method to analyze the correct mathematic model ( 3 ), studies all kinds of facts " impact on water hammer pressure value and water hammer phenomenon attenuation, points out that, in the long pipeline system, the subarea calculation of head loss along with flow rather influences the calculative results of water hammer pressure, advices to take the subarea calculation of head loss along with flow into account in the water hammer calculation of the long pipeline system

    對應于正確的水擊數學模型（ 3 ）的特徵差分方程形式如下c ，弓+吼川一c ，唱一幾弓扮幾rv另卜川= o幾代+吼川一幾唱一吼嶸{一c :腳丸}唱} ? 「本論文在最後的計算部分，通過對新老數學模型的數值計算比較，進一步論證了當前水擊數學模型的不正確性。並且應用改善了的特徵線法對正確的數學模型（ 3 ）進行了計算分析，研究了各種因素對水擊壓強值和水擊現象衰減的影響，指出在長管道系統中，沿程水頭損失的分區計算對水擊壓強的計算結果影響較大，建議在長管道系統的水擊計算中應按分區進行沿程水頭損失的計算。
  13. Through the computation of the water hammer pressure in steel and pvc pipes with the characteristic line method, the influence of velocity of water, material and wall thickness of the pipes to the magnitude, crecent process and phase length of the water hammer pressure is analyzed

    應用特徵線法，對鋼管及pvc管道中水擊進行計算，分析了管道中水流流速及管道材料、管壁厚度對管道中水擊壓強大小、水擊壓強的增長過程及其相長的影響。
  14. Combining physical experiments and theoretical analysis, this literature has performed thorough research on gas properties of delivery pipeline system, pressure current rush to interception air - mass in pressure pipeline, water hammer with gas that happens with gas releasing and liquid column separating

    本論文通過物理試驗與理論分析對輸水管道系統中的氣體特性、壓力水流沖擊截留氣團和包含氣體釋放和液柱分離現象的含氣水錘進行了深入研究。
  15. No fire engine without a portable fire engine the best with tecsis whether the feared " water hammer ", pulsations, hour - long engine vibrations or years of extreme use - tecsis heavy duty pressure gauges are tough

    無論是在令人恐懼的「水錘」跳動數小時的引擎振動中，還是在數年的極限使用壽命， tecsis重型壓力表都能夠很好地適應。
  16. The paper uses precise step to produce the continuity function of water hammer mathematic model, not only gains more precise water hammer pressure function and water hammer wave speed function but also founds correct water hammer mathematic model continuity equation movement equation after ignoring subordinate facts, function ( 1 ) and ( 2 ) translate into the current applied water hammer pressure function and water hammer wave speed function

    本論文對水擊數學模型中的連續性方程重新進行了嚴謹的推導，不僅得到了更加準確的水擊壓強和水擊波速的計算公式也建立了正確的水擊數學模型連續性方程運動方程當忽略次要因素以後，公式（ 1 ）和（ 2 ）即可轉化為當前應用的水擊壓強計算公式和水擊波速計算公式。
  17. Lv switchboard, lsnh low smoke non - halogen cabling, fire pump, boost pump, fire alarm, water hammer, pressure regulation valve, 5 " brass main pipe, 2272l water tank

    車站：低壓開關箱低煙無毒電纜配置ups消防泵加壓泵火警系統水錘防止器調壓閥5 」銅質干管2 ， 272l水箱。
  18. Lv switchboard, lsnh ( low smoke non - halogen ) cabling, fire pump, boost pump, fire alarm, water hammer, pressure regulation valve, 5 " brass main pipe, 2272l water tank

    車站：低壓開關箱、低煙無毒電纜配置、 ups 、消防泵、加壓泵、火警系統、水錘防止器、調壓閥、 5 」銅質干管、 2 ， 272l水箱。
  19. Ulteriorly, considering the local head loss in inlet opening and pipes junction plays more important role in the calculative results of water hammer pressure calculation of the short pipeline system

    考慮進口及多管道連接處的局部水頭損失對短管道系統水擊壓強的計算結果影響較大。
  20. The other primary part is that based on the correct water hammer mathematic model ( 3 ), applying character line method, to translate the differential equation group ( 3 ) into character equation group, to count the character equation integral along with character line and at the same time to substitute the integral form for the difference form so as to make use of computer to carry through numerical value calculation of the water hammer pressure

    本論文的另一個主要內容是，在正確的水擊數學模型（ 3 ）的基礎上，應用特徵線法的原理，將微分方程組（ 3 ）轉化成特徵方程組，沿特徵線對特徵方程進行積分，並以其差分方程形式代替積分形式，以便利用計算機進行水擊過程的數值計算。論文對各種邊界條件也做了相應的推導。
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