管道內壓力 的英文怎麼說
中文拼音 [guǎndàonèiyālì]
管道內壓力
英文
manifold pressure- 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) ...
- 內 : 名詞1. (內部; 里頭; 里邊) inner; inside; within 2. (妻子或妻子的親屬) one's wife or her relatives 3. (姓氏) a surname
- 壓 : 壓構詞成分。
- 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...
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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The gas feed automation system, which includes field instruments, gas feed controller, wireless remote supervising system, and so on, will realize following functions : gas flow measurement, gas pressure and temperature measurement, gas flow control, gas pressure regulation, intermittent gas lift, wireless remote monitoring, and etc. this paper will discuss the following content in detail : first part is introduction
該自控系統包括現場變送儀表、氣舉配氣控制器和無線遠程監控等,主要完成天然氣流量計量、氣體壓力溫度檢測、天然氣流量控制、管道干壓調節、間歇氣舉以及遠程監控等功能。本文將會重點介紹以下內容:首先是概述部分,簡要介紹了氣舉採油技術和氣舉配氣系統的地位和現存問題,並介紹了配氣自控系統的主要性能和優點。And we consider sufficiently all kinds of factors, such as conductance of tube, leak and deflate of system, pump speed, ionization and re - ionization of high - energy ion taking place in the process of transmission. furthermore, we take two ways to discuss pressure distribution of cell
在系統軸線上壓力分佈分析過程中,綜合考慮了管道的流導、系統的漏氣和放氣、泵的抽速、高能離子在管道內漂移過程中發生的電離和再電離等因素的影響。Gas thermal insulation coefficient under different transient flow in pressure pipeline system has been studied through physical experiments and theoretical analysis on thermodynamics
本論文通過物理試驗與熱力學理論分析對不同瞬變過程中有壓輸水管道內氣體的多方指數n的變化規律進行了研究。Al2o3 coating is provided not only as insulation layer to decouple electrically the liquid metal flow from the load - carrying wall in the sake of the decisive reduction of pressure drop, but also as a barrier to reduce tritium permeation into structure materials
為減少液態金屬mhd壓力損失,分析液態余屬包層各種相關材料影響因素,在液態金屬流動管道內壁加以al _ 2o _ 3絕緣塗層達到電學和熱學性質上的絕緣,並起到相當好地氚壁壘效果。Static pressure is the designed pressure difference within the pipeline between two testing points. it is a necessary date when selecting different types of pressure gauges
靜壓是差壓表兩個檢測點所在管道內的設計壓力。它是差壓壓力表選型時必需的數據。Differential pressure gauges is used to test the pressure difference between two points, it is a mechanical pressure gauge that can directly indicate the pressure difference on the instrument meter
靜壓是差壓表兩個檢測點所在管道內的設計壓力。它是差壓壓力表選型時必需的數據。Combining with the time difference value of the pressure wave getting to both ends of the pipeline, adopts the genetic arithmetic to search the leak site of the pipeline
結合管道兩端接收到負壓力波的時間差,採用遺傳演算法搜索管道內的泄漏點。Analysis is done on the change rules of liquid " s temperature along with the pipeline " s distance. the paper points out the defects of the const pressure wave velocity method and do some improvements on it : rebuilding the expressions of the pressure wave velocity in accordance with the simpson ' s rule
分析了管道內的流體溫度隨傳輸距離而變化的規律,並指出了此規律對管道負內壓力波傳播速度的影響。指出了常負壓力波波速定位方法的局限性,並採用改進的負壓力波定位技術,將管道內的負壓力波速公式採用復化辛普森公式進行了改造。When the transportation load is long - term evenly distributed, the influences of each relevant factor, i. e. pipeline depth, diameter, deformation module of foundation, poisson ratio of soil and tyre pressure of vehicles, toward mises stress and vertical displacement of pipelines are discussed. when the transportation load is movable and invariable, the changing rules of mises stress and vertical displacement during the vehicle ' s movement are calculated and analyzed, and effects of vehicle velocity and tyre pressure toward these two mechanical characteristics are discussed. when the transportation load is stable and simple harmonic, the changing rules of mises stress and vertical displacement during the time of load function are calculated and analyzed, and effects of vehicle velocity and tyre pressure toward these two mechanical characteristics are also discussed. in three - dimensional analysis, mises stress and vertical displacement of pipelines under three kinds of transportation loads are calculated, and the analysis and discussion of correlative factors are also made
當交通荷載為長期均布荷載時,討論了各相關因素,包括管道埋深、管徑、地基變形模量、地基泊松比和車輛輪壓大小分別對管道mises應力和豎向位移的影響;當交通荷載為移動恆載時,計算並分析了車輛行駛過程中管道mises應力和豎向位移的變化規律,討論了車速和車輛輪壓對這兩個管道力學性狀的影響;當交通荷載為穩態簡諧荷載時,計算並分析了荷載作用時間內管道mises應力和豎向位移的變化規律,討論了車速和車輛輪壓對管道力學性狀的影響。When the temperature to gas pipelines, temperature packets of material expansion, the pressure rise, inflation pressures are rising corrugated box, corrugated promote the expansion thrust to overcome the spring - loaded pole resistance, the ball - type valve opened for big change ; when the gas pipeline to reduce the temperature, temperature of the material swelling up, the pressure lowered inflation corrugated box pressure also reduced, spring - loaded pole compressed corrugated of resistance to thrust, spherical valves open for smaller ; this constant push and pull adjustment for the balance, as long as refrigeration cycle continue
當回氣管道溫度升高,感溫包內的物質膨脹,壓力升高,膨脹波紋箱內壓力也升高,波紋腔膨脹推動推力桿克服彈簧阻力,球型閥開度變大;當回氣管道溫度減低,感溫包內的物質膨脹,壓力降低,膨脹波紋箱內壓力也降低,彈簧阻力推動推力桿壓縮波紋腔,球型閥開度變小;如此不斷的進行推拉調整平衡,只要製冷循環繼續下去。The main achievements are as follows : the theory models of defect mfl field are set up ; based on the magnetic dipole model and finite element model, the distribution of defect mfl field is simulated in the dissertation ; the component of flux density ( magnetic filed ) parallel to the surface of pipe is detected by a circumferential array of hall probes ; the factors including defect geometry parameters, defect surface angle and shape, pipe material, field intensity, vehicle velocity, background magnetization, operating pressure and remanent magnetization and so on influence the mfl signal characteristics
採用霍爾元件作為缺陷漏磁檢測傳感器,獲得管道軸截面漏磁場切向分量的漏磁信號;研究了缺陷外形尺寸、缺陷傾角和形狀、管道材質和磁化強度、檢測儀移動速度、管道背底磁場、管內壓力和剩磁對漏磁信號的影響。提出了各通道增益放大、各路漏磁信號偏離調整、波形微分、數字濾波和平滑等漏磁信號預處理方法;分析了等空間采樣的漏磁信號轉換為等時間采樣信號的必要性,研究了漏磁信號的小波去噪方法。The in - situ testing includes surface deformations, sub - surface movements, earth pressures, pore water pressures, underground water levels, spt, stresses of pipes and pipe - soil contact stresses. in addition, the total jacking forces, deviations in line and level of the pipe line and earth pressures in the earth pressure balance machines ( epbm ) are also recorded. the results of field - testing are analyzed, and the variety of testing datum include earth pressures, pore water pressures and underground water levels during the course of the shield through it are studied
現場測試內容包括地面變形、深層土體變形、土壓力變化、孔隙水壓力變化、地下水位變化、土體標準貫入試驗、管道內力變化、管土接觸應力變化以及頂管施工現場記錄(包括頂力、土壓力、平面偏差、高程偏差等) 。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。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。On the basis of the integral differential pressure method, the force of flow - induced vibration in pipe on offshore platform is studied
應用微元壓力積分法對海洋平臺輸液管道內流體激振力進行了研究。The type of this article is " used for product ". it analyzes surface pollution of metal, hydro capacity and effect to wall piping quantitatively on the base of the rinsing of piping of hydraulic system of precise - rolling machine at the hot sequential rolling plant. by analysis, we confirm the fit flux and pressure when rinsing, design high - ability, high - efficiency, wide - applicability whole set equipment
本論文的成果直接用於生產,以太鋼熱連軋精軋機液壓系統的鋼管清洗為背景,對金屬表面污染進行分析,對液壓鋼管沖洗時流體的性能和其對管道內壁的作用效果進行定量的分析,確定合適的沖洗流量和沖洗壓力,設計製造了能力大、效率高、效果好、適用廣的成套裝置。( 2 ) the flaws on the one - dimension ( 1 - d ) compressible isothermal average - friction - factor were indicated. a friction factor computation method was proposed, which is not only suitable for compressible flow but also easy to achieve the average wall shear stress
( 2 )指出關于微管道內已有的一維可壓縮等溫流動的平均阻力系數確定方法的不足之處,並提出了一種便於實用的可壓縮流動平均阻力系數的確定方法。Plastics piping systems. injection - moulded thermoplastics fittings for elastic sealing ring type joints for pressure piping. test method for resistance to a short - term internal pressure without end thrust
塑料管道系統.壓力管道用彈性密封圈型接頭的注模熱塑配件.耐無端推力短暫內壓力性能的試驗方法The conveying medium in pipe has great effect on buried pipeline ’ s damage, its flow pattern, temperature, pressure change, velocity, all of these can influence the shell of pipe and its stress distribution. so it is very important to analyze the fluid - pipe coupling
管道內部的輸送介質對管道破壞影響也很大,管內介質的流態、溫度、壓力變化、流速等對管壁變形和應力分佈都有影響,故管道內流體和管道間的耦合分析對地下管道破壞分析很重要。分享友人