water-hammer in pipeline 中文意思是什麼
water-hammer in pipeline
解釋
管路水擊-
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。 -
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。 -
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。 -
This treatise taking " the pipeline project of yin - da - ru - gang water transportation " as an example, explains some question which should be paid attention to in the pipeline project of water transportation design from three aspects : the comparison and selection in route and scheme of water transportation, the choices of pipes material and water hammer defence
摘要以「引大（大浪淀）入港（黃驊港）管道輸水工程」為例，從輸水線路及輸水方案的比選、管材選用、水錘防護3方面闡述了在管道輸水工程設計中應注意的問題。 -
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。 -
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。 -
Research on current rush to interception air - mass in delivery pipeline system and water hammer with gas is a branch of concurrent gas - liquid flow. for it refers to many fields, such as fluid mechanics, transient flow, concurrent gas - liquid flow and thermodynamics, the problem is very complicate, and there are still some issues to be deeply studied actually
輸水管道系統水流沖擊截留氣團與含氣水錘研究屬于氣液兩相流的一個分支，該問題涉及到瞬變流、空化、氣液兩相流和熱力學等多領域的理論，因而該問題十分復雜，有必要進行深入研究。 -
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。 -
Research on protection of water hammer in long - distance pressurized water transfer pipeline project
長距離壓力輸水工程水錘防護研究
分享友人