管道阻力 的英文怎麼說

中文拼音 [guǎndàozǔlì]
管道阻力 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;...
  • 道 : Ⅰ名詞（道路） road; way; route; path 2 （水流通過的途徑） channel; course 3 （方向; 方法; 道理） ...
  • 阻 : 動詞（阻擋; 阻礙） block; hinder; impede; obstruct
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 管道 : [工業] pipeline; channel; tunnel; piping; canalis; pipe run; duct; conduit; conduit pipe; ducting...
  • 阻力 : 1 （阻礙事物發展的外力） obstruction; resistance 2 [物理學] resistance; drag; drag force; nowel; ...
  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. On the basis of the hamilton ' s principle, the element mass matrix, stiffness matrix, and damping matrix caused by coriolis force of the finite method for the conveying fluid tubes were educed in the paper

    本文用哈密頓變分式推導輸送流體管道的有限元法分析單元質量矩陣、剛度矩陣和科里奧利力引起的阻尼矩陣。
  3. Discussion on calculation of frictional resistance for gas pipeline

    燃氣管道摩擦阻力計算的探討
  4. Study on calculating frictional resistance of fluid flowing in industrial pipe - line

    流體在工業管道中流動沿程阻力計算的研究
  5. The flow resistance is the basic problem in pipeline hydraulic transport of solid particles

    管道阻力特性研究是管道水力輸送固體物料最基本的問題。
  6. However, the constriction induced by ne was further enhanced when exposure of the aorta to hypotonic solution, which was inhibited by either nfa or nppb

    在此基礎上，陰離子通道阻斷劑nfa 、 nppb舒血管效應減弱；在低滲環境中血管張力進一步增加，並能被nfa 、 nppb所完全抑制。
  7. 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。
  8. Several subclassifications have been proposed : simple chronic bronchitis describes a condition characterized by mucoid sputum production ; chronic mucopurulent bronchitis is characterized by persistent or recurrent purulence of sputum in the absence of localized suppurative diseases such as bronchiectasis ; chronic bronchitis with obstruction deserves a separate classification characterized by presence of airway obstruction as assessed by the used of the forced expiratory vital capacity maneuver ; and chronic asthmatic bronchitis

    它可以分為以下幾種類型：單純性慢性支氣管炎，其特徵為咳粘液性痰；慢性粘液膿性支氣管炎，其特徵是反復的或持續的咳膿痰，但肺部並無化膿性病變，如支氣管擴張；慢性支氣管炎伴阻塞，其特徵為用力呼氣肺活量測定時有氣道阻塞的表現；慢性哮喘性支氣管炎，其特徵是患者有長期的咳嗽及咯痰史，后來肺部出現哮鳴者，因此與哮喘伴慢性氣管阻塞的病人不同。
  9. 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。
  10. This paper elaborates on principles and calculation methods of experiment of prestress tube frictional resistance and also makes data procession of the experimental results by using least - square method

    摘要詳細闡述了預應力束管道摩阻試驗的原理及計算方法，採用最小二乘法對試驗結果進行數據處理。
  11. O truction is one of the most important a ormalities of the urinary tract ， since it eventually leads to decompe ation of the muscular conduits and reservoirs ， back pre ure ， and atrophy of renal parenchyma

    梗阻是泌尿道最重要的異常之一，因其最終使肌性管道及其容器失去代償能力，發生反壓及腎實質萎縮。
  12. Product character ： good flow, film smooth, excellent adhesion, reduce the coefficient of rub and cut down the obstruction of transportation

    作用同時可有效降低管道內壁摩擦系數，減少輸送阻力。
  13. Objective to solve the problem of additional airway resistance from oxygen supply tube and humidity liquid dropping tube in trachea pipe for patients with trachea dissection and intubatton along with the fixation of respiration detector

    摘要目的：解決氣管切開和氣管插管病人給氧管、濕化液滴管佔用氣管導管腔，致氣道阻力增加問題；同時解決呼吸監測探頭固定問題。
  14. 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。
  15. 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。
  16. ( 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。
  17. Duct gain loss revisions to mj8

    Mjb的管道阻力增益損失修訂版
  18. 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。
  19. Points out that some designers only use empirical methods in determining the inner diameter of pipeline, calculating system resistance and selecting the rated flow and rated head of circulating pumps in water systems

    摘要指出目前一些設計人員在設計空調水系統時，僅根據經驗值估算管道內徑、計算管路阻力和選配系統循環水泵的流量和揚程。
  20. In order to know the relationship between gas - content and pipeline ' s pressure drop, the thesis deduces the pressure drop calculating equations based on uniform flow pattern and separating flow pattern. the equations show that pressure drop is made up of three parts, that is, friction resistance effect, gas acceleration effect and the gravity effect. and the research has shown that the gas has little effect on pressure drop. in the horizontal pipeline, the resistance effect must be overmatched the acceleration effect

    為探討加入的氣體對管道壓力的影響，本文基於分相流和均相流兩種模型分別推導了三相流管道的壓降公式，表明無論是分相流模型，還是均勻流模型，管道內流體總的壓降是由三項組成的，即摩擦項、加速項和重力項，並得出了加氣對管壓變化不大的結論，所以認為在水平管道中，要獲得有效的減阻，則要使摩擦阻力分量的減小效應大於漿體加氣的加速效應。
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