pipe loss 中文意思是什麼

pipe loss 解釋
管道損耗
  • pipe : n 1 管，導管，筒。2 煙斗，煙袋；一袋煙。3 〈古語〉笛，管樂器；【航海】（水手長的）哨子（聲）；〈p...
  • loss : n. 1. 喪失；丟失，遺失。2. 減損，損失，虧損（額）；損耗；減少，下降。3. 失敗；輸掉。4. 錯過；浪費。5. 損毀；【軍事】傷亡；〈pl. 〉 傷亡及被俘人數。
  1. The study of muffier ' s insert loss based on gt - power with parallel of expansionary insert - pipe inside of two rooms

    的並聯內插管雙室擴張式消聲器插入損失研究
  2. 2. based on the results of experimental data of the tailrace surge tank of yi xing pumped - storage station in jiangsu province, this research investigates the methods for the head loss coefficients of throttled surge tank with linking pipe by means of the method which incorporates experimental results with theoretical analysis

    結合江蘇宜興抽水蓄能電站尾水調壓室水力模型試驗成果，採用理論計算與模型試驗結果相結合的方法，對有連接管的阻抗式調壓室局部水頭損失系數的計算方法進行了討論。
  3. Meanwhile, it puts forward the exact demand to the indicators of coal for gasification. it systematically studies the thickness of economical heat preservation and calculation process of resistance loss of delivery pipe for analyzing and appraising the techno - economic of hot coal gas ' s delivery pipes. it sets the mathematic model for the calculation of economical heat preservation thickness and resistance losses of conveying pipes, compiles the computer program, dutti and dutt2 and draws the block diagram of relevant computer program

    為便於熱煤氣輸送管道的技術經濟分析與評價，對輸送管道經濟保溫厚度和輸送管道阻力損失的計算過程，進行了系統的研究，建立了輸送管道經濟保溫厚度和阻力損失計算的數學模型，繪制出相應的計算機程序框圖，編制了計算機程序dutt _ 1和dutt _ 2 ；並對熱煤氣的混合燃燒過程進行了研究。
  4. It is apparent that the error of piecing and locating the corrugated pipe and the error of level and upright and leaking in the part lead to increase of friction loss

    究其原因，與施工工藝密切相關，主要是波紋管逐節段拼接定位、平直度誤差及局部漏漿等所致。
  5. ( 4 ) through the hydraulic property experiment of micro - hole lateral pipes of simple sdi in air, it was found that the average pressure of 60 mitre length lateral pipes was at the position of per 40o / o ~ ~ ~ 50 % of the effectual pipe length from the fist micro - hole, major pressure - loss was occurred at the ahead part of half pipe. the pressure uniformity reduced with orifice aperture ? increasing, and the relationship between pressure uniformity and initial water pressure was poor. running under the initial water pressure of 1. 5 meter, the discharge uniformity reduced with orifice aperture ? increasing, and when the orifice aperture smaller than or equal 1. 0mm, irrigation uniformity could achieve above 0. 6

    （ 3 ）通過對空氣介質中簡易地下滴灌的微孔毛管試驗研究發現： 60m管長的毛管平均壓力水頭的位置基本上在距第一孔口的有效管長40 - 45的地方；大部分水頭損失發生在毛管的前半部分；壓力均勻度隨孔徑的增大而減小，但與初始工作水頭關系不密切；在1 . 5m以下的工作壓力下運行，沿程出流均勻度隨孔徑的增大而降低，當孔徑不大於1 . 0mm時，灌水均勻度可以達到60以上；當孔徑大於等於1 . 2mm時，灌水均勻度低於50 。
  6. In order to improve the prediction accuracy, the sensitivities of pipe friction coefficients, pressure loss coefficients in bents, wall temperatures and heat transfer coefficients in pipes and cylinders on the volume efficiency are investigated

    為提高充氣效率的計算精度，由模擬計算和相關試驗，分析了管道的摩擦系數、彎管的壓力損失系數、進氣管壁和氣缸壁溫度及其傳熱系數對充氣效率的影響程度。
  7. The study result also shows that there is significant energy exchange between all the pipe sections connected to the same junction, therefore, those flow phenomenon can not be accurately reflected if neglecting or adopting the constant energy loss coefficients

    研究結果還表明，與同一結點相接的各管段間存在顯著的能量交換，因此，忽略或採用恆定不變的能量損失系數均不能正確地反映這些水流現象。
  8. The results show that the heat transfer in intake manifold and cylinder has obvious effects on the volume efficiency, while the pipe friction coefficients and bent pressure loss coefficients have less effect

    結果表明，進氣管和氣缸的傳熱對充氣效率的影響較顯著，而管道摩擦系數和彎管壓力損失系數對充氣效率的影響較小。
  9. The research result demonstrates that along with the increment of reynolds number, the root mean square value of outer fluctuating magnitude of the external diameter in fall frequency band increases, the root mean square value of fluctuating magnitude of the external diameter in high frequency band decreses, demonstrating that the fluctuation of flexible pipe wall changes fluctuation don field of original rigid pipe, large - size eddy motion increases and small - size eddy motion decreases, this reduces energy loss and increases friction reduction effectiveness

    研究結果表明：隨著雷諾數的增加，全頻帶的外徑脈動的均方根值加大，但高頻帶外徑脈動的均方根值減小，說明柔性管管壁脈動確實改變了原剛性管的脈動流場，大尺度渦的運動加劇，低尺度渦運動減弱，從而使得能量損失減少，減阻效果增大。
  10. Note : when actually applying, choose suitable type cable according to the pipe lenght, heat loss, work voltage, number of core wires. and core wire ' s section areas

    注：實際選用時應根據管道長度、散熱量、工作電壓和芯線數，計算芯線截面而定。
  11. Discuss on the computational equation for the head loss of the unit length of pipe

    關于管道單位長度水頭損失計算公式的探討
  12. The numerical simulation of the flow in the three diverge pipe with crescent costal board and study on head loss

    有加強肋板的三岔管水流數值模擬及水頭損失研究
  13. Results indicate that flow deviation in discharge passage is formed by co - action of pump outflow circulation and secondary flows in outflow curved pipe, hydraulic loss of discharge passage increases and pump assembly efficiency decreases because of flow deviation

    結果表明：水泵出流環量和出水彎管二次流共同作用形成了出水流道偏流，偏流使出水流道水力損失增大，泵裝置效率下降。
  14. It is more accurate than traditional method at the aspect of calculating head loss, pipe flow and node pressure of hydrant. this mathematic model can also be used in the inside and outside of water supply piping calculation and it is excel hardy cross - piping calculation

    該方法在計算水頭損失、管段流量、消火栓節點壓力等方面比傳統方法要更加準確，也可被借鑒到室內或室外的給水管網計算，並優于常見的哈代-克羅斯管網平差方法。
  15. These defects can occur at the outer or inner surface of the pipe and can lead to a serious loss of pipe wall thickness

    這些缺陷既可能發生在管道外壁又可能發生在管道內壁，通常致使管道壁厚減薄。
  16. The paper introduces experience of selecting hydraulic calculation formula and illustrates calculation of critical velocity of flow ( or critical pipe diameter ) and friction loss of pressure pipe in tailings transport and how to select the formula with examples

    介紹工程實踐中，選用水力計算公式的體會，對尾礦輸送中臨界流速（或臨界管徑）和壓力管道摩阻損失的計算以及如何選用公式分別作了舉例說明。
  17. The heat pipe exchanger has the advantages of compact, controlling erode of acid dew point, high efficiency, low pressure drop loss and reliability, so they are used widely in heat energy utilization and waste heat recovery. it is also helpful to recover the waste heat, save the raw materials and reduce the production costs. economic benefit from application is obvious

    以熱管為傳熱元件的熱管換熱器具有下列特點：傳熱效率高，壓力損失小，工作可靠，結構緊湊，有利於控制露點腐蝕等，這些獨特的優點是它在解決能源問題，如：利用熱能、節約原料、降低成本等方面，特別是在工業余熱利用中發揮了越來越多重要的作用。
  18. Full - bore : full - bore straight - through type with connection between valve and pipeline or straight pipe, equal sectional area and " 0 " loss of flow

    全通徑：全通徑直通式，閥門與管道或直管連接相通，截面積相等，流量損失為「 0 」 。
  19. ( 4 ) thermal pipelines are important parts of concentrated heat supply of the thermoelectricity combination. according to the thermal lube service prospect, the paper calculates thickness of the buried steam pipe, proposes a new opinion of the interface temperature controlling method, and also attempt to determine the resistance loss of the minimal steam tubes and wrote its program

    （ 4 ）熱力管網是熱電聯產集中供熱系統的重要組成部分，本文根據熱力管道的發展趨勢，對直埋蒸汽管道的保溫層厚度計算，提出採用界面溫度控製法的見解，並進行編程計算，此外，還對直埋蒸汽主管道阻力損失進行編程計算的嘗試。
  20. To reduce heat loss, the insulation must be coated on the pipe and heating cable

    為減少熱損失，應在電熱帶外側加保溫層。
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