管阻損失 的英文怎麼說

中文拼音 [guǎnzǔsǔnshī]
管阻損失 英文
duct loss
  • 管 : Ⅰ名詞1 （管子） pipe; tube 2 （吹奏的樂器） wind musical instrument 3 （形狀似管的電器件） valve;...
  • 阻 : 動詞（阻擋; 阻礙） block; hinder; impede; obstruct
  • 損 : Ⅰ動詞1 （減少） decrease; lose 2 （損害） harm; damage 3 [方言] （用尖刻的話挖苦人） speak sarcas...
  • 損失 : 1. （失去） lose 2. （失去的東西） loss; wastage
  1. Abstract : apply computer simulation to the distribution pattern of air - flow without considering the cold condition of the combustion and compare the flow patterns under different designed circumstances. and the effect of the design of the partition in the air way of the burner on the flow and mixture of gas and air is especially studied. the result shows that the design of partition plays a very important role in strengthening the mixture of gas and air, but increases the loss of the resistance in the air way and the total pressure of the air way in same working conditions needs increasing

    文摘:應用計算機模擬的方法，在不考慮燃燒的冷態情況下，研究了熱風爐燃燒室內的氣流分佈規律.在此基礎上，比較了2種不同設計方案的氣流流動特徵，尤其是研究了燃燒器空氣通道內阻流板的設置與否對空氣和煤氣的流動和混合的影響.結果表明，阻流板的設計對加強空氣和煤氣的混合有著極為重要的作用，同時也增加了空氣管道的阻力損失，在同樣的工況條件下需要提高管道系統的總壓力
  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. After thermodynamic calculation on several operation conditions of the furnace, cold - state flow and resistance mensuration, the combustion of the tubular - furnace hearth was changed into swirl and addition of radiate cylinder and oxygen content detection minish 1. 25 surplus air to less than 1. 15, improving the combustion condition and convection and radiate heat transfer efficacy, resuling in reducing the waste - gas temperature 45, decreasing exhaust gas loss, and saving fuel by 6 %

    摘要通過對加熱爐幾種工況進行熱力計算、冷態試驗的流場分佈及阻力測定和熱態試驗的爐膛溫度場分佈及管壁溫度等參數的測定，確定將管式加熱爐爐膛內直流燃燒改為旋流場燃燒和增加輻射筒，增設煙氣含氧量分析，可以將燃燒的過剩空氣系數從1 . 35減小到1 . 15以下，極好地改善爐膛內的燃燒狀況和對流輻射傳熱效果，從而降低排煙溫度45 ，減少加熱爐排煙損失，節約了煤氣量6 %以上。
  5. Fluid network was divided into a lot of independent loops. through changing states of valves, i got pipe flux and pipe pressure drop. based on pressure balance equation, i built the differential equation system, solved the differential equation system, and acquired resistance coefficients of pipes and component

    並將流體網路圖分解為一個個獨立迴路，通過改變閥門的狀態，來獲取迴路各管段流量和壓力損失，根據迴路壓力平衡方程，建立方程組，對方程組進行了求解，解出了各未知管段、流體器件的阻力系數。
  6. By physical and chemical testing and comprehensive analysis, it is suggest that deposited sands and rubber relics lead to local clogging of the pipe, so vortex around the clog lead to erosion abrasion

    通過理化試驗和綜合分析后認為，海水中沉積的泥砂和管內橡膠殘片集結成一體，對傳熱管形成局部阻塞，水流在阻塞物周圍產生渦流，發生沖蝕磨損，造成鈦管泄漏失效。
  7. 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。
  8. But because it is not spreading popularize and new type pipe in market emerge in an endless steam, the selling market is not standard, many pipe material has not standard temporary. how to choose suitable pipe materials that it is not only the ordinary use do n ' t know but also relevant design and construction technician can not know comprehension

    而且廠家生產與銷售市場又不夠規范，很多管材暫無設計規程與施工驗收規范。要想選用適用的管材，正確進行設計和施工，需要研究新型管材的耐熱、耐壓、膨脹和阻力損失等物理性能。
  9. In this paper according to the design scheme of yao heba power station in nan yahe river, the mathematical model with longer and complicated conduit system, elastic water hammer and pid regulating low of voter turbine adjusting system in the case of the small fluctuation has being built, which include conduit system, surge tank, draft tube, water turbine, generator and governor. the hydraulic losses are taken into account, and nonlinearization in water turbine and the governor is also taken into account

    本文根據南椏河姚河壩水電站的設計方案，對水輪機調節系統，按長引水管道復雜引水系統、彈性水擊、調速器為pid調節規律，在小波動情況下，對包括引水道、調壓井、尾水管、水輪機、發電機、調速器在內的水輪機調節系統建立數學模型，並計及引水管道水力摩阻損失，對水輪機、調速器考慮了其中的非線性，利用功能強大的matlab軟體編制了源程序進行計算機模擬計算。
  10. For the case of transporting suspended fine sand, a single - fluid model is used to calculate the flow resistance by solving the navier - stokes equations. the computed agrees well with the measured. and for the case of transporting medium - sized sand, a two - layer model is used and the model produces a good agreement with the experiment data

    對管道輸送細沙懸移質的流場，採用單流體模型進行數值求解n - s方程，計算結果與實驗資料相吻合;對具有分層流動的中沙管道水力輸送，採用兩層代數模型進廳了計算分析，阻力損失的預測結果與實驗吻合較好;最後對管道輸送粗沙的阻力特性和運動機理進行了分析探索，提出了進一步研究的方向。
  11. Then we set up the model of rectangle - shape pipeline. we compare it to circuit - shape pipeline on sides of the value of induced electromotive force, pressure loss when liquid flow trough the pipeline and resistance ' s value of the sensor. we get the result that we can finish the measurement of low - velocity flow by using the rectangle - shape pipeline

    接著對矩形測量導管進行建模，並在流體流經矩形測量導管時產生感應電動勢的大小、流體在測量導管中的壓力損失和傳感器內阻的大小對輸出信號的影響等幾個方面與圓形測量導管進行比較后得出採用矩形測量導管完全能夠有效地完成微流量的測量。
  12. In order to accurately calculate the available energy dissipation resulted from the steam flowing through a restrictive device, a new view point for measuring energy in steam piping network system has been put forward, i. e. a model for computing the available energy dissipation has been obtained through entropy equation in occurrence process of the resistance, which is deduced from steam condition equation of iapws - if97

    為了準確計算蒸汽流經阻力件產生的可用能損耗，提出了蒸汽管網系統能量計量的新觀點，即通過iapws - if97的蒸汽狀態方程，推導出阻力發生過程的熵方程，得到可用能損失計算模型。
  13. 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。
  14. ( 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。
  15. Duct gain loss revisions to mj8

    Mjb的管道阻力增益損失修訂版
  16. The energy dissipation resulted from restrictive device in pipelines is commonly existing in the steam piping network of a thermal power plant

    摘要熱電廠蒸汽管網普遍存在管道阻力件引起的能量損失。
  17. This paper offers a method that can avoid the incorrect or rough methods mostly accepted now, and this method considers the temperature change along pipeline, the difference of friction loss in turbulence zone and the throttle effect in cross - section of reduced pipe

    針對現有的靜態模擬演算法存在的錯誤和不足，提出了一種更為精確的模擬演算法，該演算法除考慮了管道沿線的溫度變化、處于不同的紊流區摩阻損失的大小不同之外，還考慮了變徑管道在變截面處存在節流效應等問題。
  18. On the basis of research results of the existing experts and scholars especially the theory put forward by professor xu zhenliang ( my tutor ) that predicts the velocity profiles and friction loss of settling slurry when it flows in horizontal pipe and upward - inclined - pipe, relations among the velocity of water, that of solid particles and that of settling slurry have been established by the analysis of momentum transmission process between water and solid. then the calculation formulae for fricton loss of downward inclined and vertical pipe are deprived

    本文在現有專家學者的研究成果特別是許振良教授（導師）提出的預測非均質流在水平管道及向上傾斜管道流動時的速度分佈及摩阻損失的理論的基礎上，從動量守恆的角度建立了清水速度、固體顆粒速度和漿體速度之間的關系，進而推導出了向下傾斜及垂直管道沉降性漿體輸送的摩阻損失的計算公式。
  19. Friction loss of solids under fully sliding in inclined pipeline

    傾斜管道顆粒完全滑移的摩阻損失
  20. In long distance slurry pipeline transport project, it often need to calculate friction loss of settling slurry in inclined pipeline, but up to now, the research about this aspect is not much

    長距離漿體管道輸送工程中，常常要涉及到傾斜管道漿體輸送的摩阻損失問題，而對于這方面的研究到目前為止，並不是很多。
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