流氣型計數管 的英文怎麼說

中文拼音 [liúqìxíngjìshǔguǎn]
流氣型計數管 英文
gas-flow counter tube
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 氣 : Ⅰ名詞1 （氣體） gas 2 （空氣） air 3 （氣息） breath 4 （自然界冷熱陰晴等現象） weather 5 （氣味...
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 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;...
  • 計數 : count; tally; counting計數卡 numbered card
  1. In this paper, starting from the basic law of fluid me chanics, a mathematical model equation for describing the tran sient flow of the wet gas in the pipeline under peak shaving op eration is established, a simplified treatment for the model equa tion is made and a train of thought for concrete calculation is de signed

    文章從流體力學的基本規律出發，建立了描述濕天然氣管道輸送調峰工況下瞬變流的數學模型方程，並對模型方程作了簡化處理，設計了具體的計算思路。
  2. Different equations to corresponding components are presented by analysing and transformating the general equations of fluid routes, then static characteristics mathematical model of liquid propellant space propulsion system is presented. based on the data of static characteristics calculation, mass model of thruster, propellant, propellant tank, gas, gas bottle, pipe and valve is presented using both the method of statistical regression and the method of stress analysis, then corresponding mass model is presented. based on the characteristics of liquid propellant space propulsion systems, analyse the five phases ( concept and definition, design and improvement, manufactureing and arrangement, operation and ma intenance, disposal ) in which life cycle cost of liquid propellant space propulsion systems is cost separately, then discompsed structure of life cycle cost and model of life cycle cost are presented

    將組件分成氣路組件和液路組件，再對氣路組件和液路組件進行相應的分類，然後通過對通用流路方程進行分析和變換對不同類型的組件分別建立不同的方程，從而建立了一個適用於液體推進劑空間推進系統的靜態數學模型；根據靜態計算所得到的數據，應用統計回歸法和應力分析法分別建立推力室、推進劑、推進劑貯箱、氣體、氣瓶以及導管和活門等的質量模型，從而建立相應的質量模型；結合液體推進劑空間推進系統特點，對液體推進劑空間推進系統全壽命周期費用發生的五個階段（概念和定義、設計和改進、製造和安裝、運行和維修、處理）分別進行分析，建立了液體推進劑空間推進系統全壽命周期費用分解結構和全壽命周期費用模型。
  3. 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。
  4. In this paper, simple reacting flow model in solid - propellant ducted rocket combustor based on eddy break - up model is established. the model is used to simulate the three - dimensional combustion flowfields in an experimental motor. some factors how to affect the combustion efficiency are discussed in the paper, including air intake and gas generator nozzle

    本文基於簡單反應的旋渦分裂模型，建立了固體火箭沖壓發動機補燃室內的湍流燃燒模型，並在該模型下對某實驗發動機進行了三維數值模擬，研究了補燃室設計參數包括進氣道出口設計參數和燃氣發生器噴管設計參數對燃燒效率的影響。
  5. Relaxation factors are adopted. a program is produced to simulate swirling air flow in a horizontal straight pipe and compare with experiment data. the simulation prove that the modified k - model can predict the core, annular and wall regions near entrance and axial velocity far from entrance, but it ca n ' t predict tangential velocity well in weak swirling area far from entrance

    編程計算水平圓管內螺旋氣流的流動參數並與實驗數據對比，結果表明修正-湍流模型在近入口處基本上能預測出中心區、環形區和近壁區的流動特性，在遠離入口弱旋流區域對軸向速度的預測符合實際情況，但是出現對周向速度修正過大的現象。
  6. In this paper, hydromechanical theories, three - dimensional unsteady turbulent finite volume model and pheonics software are adopted to simulate the pressure field and the velocity field of the drainage pipe in allusion to the actuality of the necessary pressurization test before being used. then analyze the computational results and figure out the variational rules of pressure and velocity with different leakage location while close water test or close gas test is applied

    本文針對無壓管道交付使用前必須進行嚴密性試驗的現狀，運用流體力學基本理論和三維非穩態紊流的有限體積模型，採用pheonics計算軟體，數值模擬不同管徑下不同漏水點的滲漏情況，模擬閉水和閉氣試驗時管道內部的壓強場和速度場的變化，並分析計算結果，從中找出其變化規律。
  7. 3 ) the chosen single case turbine is suitable to satisfy the compress rate demand in the project, and if the thimble reheat take the bushing heater as the model, the simple parameter change of the bush and working path can make it reach the demand

    3 ）經過選型的單級壓氣機可以滿足設計方案中對壓比的要求，其穩態參數也符合設計值；同時，若採用與吸熱器類似的套管式回熱器，則只需要根據實際情況修正套管及工質流道的幾何參數就可以達到設計要求。
  8. When volume efficiency is computed by an engine cycle simulation considering gas flow in intake and exhaust manifold as one - dimensional unsteady flow, improperly given parameters in the simulation may cause an error over 5 %

    摘要採用進排氣管流動為一維非定常模型的發動機循環模擬方法計算充氣效率時，若模型中給定的參數不合適，可能引起充氣效率的計算誤差超過5 % 。
  9. Then the pro ? models have been input into pro ? m, an automatic mesh generating software, to create the mesh system for numerical simulation. after defining some proper boundary condition, the flow analysis have been performed through the use of star ? d, a powerful cfd software. with some careful analysis of the simulation results and comparison of the two models, some guiding principles for the design optimization of the compressor inlet turning tubes have been concluded

    論文主要工作包括：通過對壓氣機進氣彎管幾何形狀的深入分析，利用三維建模軟體pro / e生成其三維幾何模型；利用網格自動生成工具pro - am ，根據pro / e生成的三維幾何模型生成了數值模擬所用的計算網格；對壓氣機進氣彎管內部流動進行了詳細的氣動計算，對原進氣彎管與新型進氣彎管的計算結果做了對比分析，對其結構的優化設計提出了指導原則。
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