氣流參數測量 的英文怎麼說

中文拼音 [liúshēnshǔliáng]
氣流參數測量 英文
gas-flow measurement
  • : 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...
  • : 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...
  • : 參構詞成分。
  • : 數副詞(屢次) frequently; repeatedly
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 氣流 : 1 [氣象學] air current; airflow; wind current; airstream2 [語言學] breath氣流紡紗 open end spinni...
  • 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
  1. To measure the parameters of gas / solid two - phase flow has a very vital significance in the industrial production and scientific research. electrostatic sensor combining with the relevant signal processing technology provides effective solution to realize the on - line measurement on the mass flow rate of the solid paniculate, so it has high research and development value

    固兩相在工業生產和科學研究中具有重要的意義,靜電傳感器結合相應的信號處理技術為實現固體顆粒的在線質提供了有效的解決辦法,具有很高的研究與應用價值。
  2. The paper described the building process of model that can identify the shock - absorber parameter of landing gear and at the same times optimize performance of system. in this paper, there are also some debate, it include identifying parameter which can not be measured, such as the air polytropic exponent and the orifice discharge coefficient of shock - absorber

    本文利用復合形優化演算法建立了起落架緩沖系統識別與系統優化模型,對緩沖器空壓縮多變指和油孔等不可的識別和著陸、滑跑載荷多目標優化問題進行了討論。
  3. In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively

    本文通過試驗研究與理論分析對旋式豎井泄洪洞應用於高水頭、大泄情況時存在的一些水力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導洞改建,對高水頭( 252m ) 、大泄( 1400m ~ 3 s )條件下旋式豎井中的水運動特徵進行了比較全面的,包括空腔形態、徑向速分佈及井壁壓強等;二、提出了豎井空腔段螺旋水水力計算方法,其計算結果與實值吻合良好;三、利用試驗與計算結果,對旋式豎井的消能機理進行了探討,對豎井各部分的消能能力有了總體認識;四、對豎井下部消力井的合理井深進行了優化試驗研究,發現消力井合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎井水總摻估算方法,為導洞排方案的設計提供了考依據;六、在高水頭、大條件下,豎井空腔段下部速很高,盡管水螺旋運動引起的離心力可以確保井壁壓強保持正壓,但空化依然較低,因此豎井的空化空蝕始終是工程界關注的重大問題。
  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、冷態試驗的場分佈及阻力定和熱態試驗的爐膛溫度場分佈及管壁溫度等定,確定將管式加熱爐爐膛內直燃燒改為旋場燃燒和增加輻射筒,增設煙含氧分析,可以將燃燒的過剩空從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6 %以上。
  5. 3. on boiler retrofit, the calculation of fuel burning, the heat calculation of boiler inside structure and convection section, and the design of structure parameter of feed water heat exchanger are made. the flue gas channels " resistance calculation and the boiler strength verifying are also carried out. replacement of water cooling wall improves heat exchanging and decreases loss of heat radiant

    對鍋爐本體進行了燃料燃燒計算、爐膛結構熱力計算、對受熱面結構熱力計算、鍋爐給水加熱器結構設計、煙道阻力計算及鍋爐元件強度校核等;改進了水冷壁布置使換熱效果更好,減少輻射換熱損失;改進對段結構,更充分的利用爐膛出口煙余熱,提高熱效率;並且進行了煙阻力計算、熱效率計算和能平衡試,對改進后的稠油燃料和改進前進行了對比,燃燒狀況和熱效率有明顯改善。
  6. Chapter six introduces half - model test study of different parameters with ao effects utilizing the shack - hartman technology. chapter seven investigates the simulation technology for ao, mainly in 2 - d flow - field. this paper has a wide scope, ranging from theoretical foundation of ao to its engineering physics methods, from low temperature to high temperature that influence the index - of - refraction, from 2 - d to 3 - d ( density field ), from high speed to hyper - speed ( interceptor ' s speed ), from model test to numerical simulation ( optical phase measurement )

    並進行了實驗驗證;第四章主要探討二維場折射率的全息技術;第五章介紹了導引頭三維場干涉的試驗方法和據重構;第六章利用哈特曼傳感器技術對動光學效應各種進行了半模試驗試研究;第七章是動光學的模擬技術,主要研究二維值模擬技術。
  7. Test results indicated : with the hoist of altitude, the increase of ice amount and the rise of pollutant, the average flashover voltage reduced. the character exponent generally depends on the insulator profile, ice amount, ice state and pollution severity etc. by means of a high - speed camera, a data acquisition system and high voltage test facilities, a series of the flashover processes on ice surfaces were record. the experimental results form this study and the subsequent theoretical analyses suggested : the thermal ionization of the air in front of an arc root resulted in arc movement ; the electrostatic force had an auxiliary effect of impelling arc propagation ; the electrical

    通過對攝像機、據採集系統及高壓試驗裝置記錄覆冰絕緣子表面閃絡電弧的發展過程的試驗結果進行理論分析得出:弧根周圍空的熱電離導致了電弧的發展,靜電場力對電弧的發展起到了加速作用,電擊穿僅發生在閃絡最終的跳躍階段;通過閃絡過程中的放電電壓、泄漏電、閃絡時間、覆冰水電導率、電弧長度及電弧半徑等,得到了不同階段電弧(電弧起弧階段、電弧發展階段及完全閃絡)的發展速度、臨界電弧長度均隨覆冰水電導率的增加而減小。
  8. In this research, through the test in geometric parameter and resistance performance, and comparison between random and other stacked packing, pvc screw thread oblique corrugated plate have more advantage. combined with test and theoretic calculate, determined the heat and mass transfer coefficient, obtained the influence relationship between inlet air flow rate, temperature and humidity, inlet liquid desiccate flow rate, temperature and concentration with outlet air humidity in dehumidifier, provided consideration for equipment design and production

    通過對除濕塔的現場試並結合理論計算,確定其熱質交換系,並分析得出採用pvc螺紋斜波紋板填料的一定結構的除濕塔,處理空的風、入口溫度和含濕及除濕溶液、入口溫度和濃度對空出口含濕的影響關系,為除濕設備的設計和指導生產運行提供考。
  9. Measuring of lightning parameters is the base work of lightning research. it is very important for researching the lightning characteristics, analyzing the accident of lightning, identifying the responsibility of lightning strike outage accident and discussing the strategies of lightning protection. it also can provide precise original data of atmosphere over - voltage for designing insulation co - ordination

    雷電是進行雷電研究的基礎工作,對于研究雷電特性、分析雷害事故、鑒定雷擊跳閘事故責任、探討防雷對策及為絕緣配合設計提供精確的大過電壓原始據均具有十分重要的意義。
  10. Research on water hammer with gas in pressure conduit system through physical experiments, researches on pressure conduit system with gas releasing and liquid column separating, which consist of observing flow patterns, testing the conditions under which liquid column separation brings into existence and the water hammer in water interception collision, and studying effects resulting from gas content and different water velocities in pipeline, was done

    3 、輸水管道系統中含水錘研究通過物理試驗,對有壓輸水管道系統中的體釋放與液柱分離進行了研究,觀察其態、試液柱分離發生的條件及斷彌合水錘壓力,研究了含速等對液柱分離的影響。
  11. Using digital image processing technique to process the solid - gas - water three - phase flow image and separate dispersed phase from the three - phase flow image, author calculated the bubble number, particle number in instantaneous image, area of bubble image and other parameters, and analyzed the effect of image enhancement, image segmentation, image analysis and other problems existed in bubble image processing

    應用字圖像處理方法對水固三相圖像進行處理,將其中的分散相分別提取出來,計算得出瞬時圖像范圍內的泡個、粒子個相所佔動截面比等;分析了圖像增強、圖像分割、圖像分析等方法在多相圖像上的作用以及泡圖像處理中存在的問題。
  12. From physical principle, the electric property differences among oil, gas, and water are analyzed, and it is pointed that the electric properties of their mixture in oil wells are not only determined by their electric parameters, but also related to the mixture flow velocity, concentration and distribution state of each phase, and the measured electromagnetic field

    其次,從物理機理出發,對油、與水的介電特性和導電特性差異進行分析,指出油井內混合體的電性質不僅與各相體的電性有關,而且與體的動速度、各相含、分佈狀態以及電磁場有關。
  13. Taking ningxia - inner mongolia reach of yellow river as a study case, a ice regime forecast data warehouse is established for the datamining concerned on the basis of the analysis on the ice regime changing law and its influencing factor of the reach, and then the conceptual mathematic model and artificial neural network model for the parameter calibration of ice regime forecast are built up with gis in combination of the relevant empirical forecast models based on the principles of the hydrological flow muting, thermodynamics and ice hydraulics etc., with which the design and development of the decision support system for the ice regime forecast with the integrated functions of information inquiry, model parameter calibration, temperature forecast and ice regime forecast are preliminarily discussed

    摘要以黃河寧蒙河段為例,在對河段歷史冰情變化規律及其影響因素分析的基礎上,建立冰情預報據庫,進行據挖掘,並以地理信息系統( gis )為平臺,以水文學演算、熱力學、冰水力學等原理為基礎,結合相關經驗預報模型,建立用實資料進行率定的冰情預報概念性學模型和人工神經網路模型,初步探討了集信息查詢、模型率定、溫預報、冰情預報等功能為一體的冰情預報決策支持系統的設計與開發。
  14. Much works has been distributed to the development of a vacuum system to simulate the outer space and a measurement system to test the arcjet performance. ignition experiments in various operational modes have been done with argon as propellant. macroscopical working parameters including thrust, mass flow rate, voltage, current, inlet pressure and vacuity are obtained by the test measurement system and actual performance parameters including specific impulse, thrust efficiency, ratio of thrust and power and ratio of power and mass flow are calculated

    以氬作為推進劑,在不同工況下進行點火實驗,獲得了其工作推力、電弧電壓和電、推進劑率和弧室壓力等宏觀,得到了不同實驗條件下其工作的實際比沖、推力效率、推力/功率比以及比功率等性能,分析了推進劑質率、電弧功率、電弧加熱發動機電弧室結構尺寸等因素對其性能的影響,為值模擬研究和實際的低功率電弧加熱發動機優化設計及研製提供了實驗基礎。
  15. General model c38 dc meters are portable taut - band suspended moving coil instruments with light - spot indication. the meters have the feature of extremely high in sensitity and small in consumpition being particularly suitable to be used for measuring weak electric quantity on dc circututs, also for testing the static paramenters of transistors as well for measuring the output of millivolt values of zhermocouple in the vacuun furnaces ( or hydrogen furnaces )

    C38型直電表是磁電系張絲支承光點指示可攜式電表儀表具有極高的靈敏度,功耗小,特別適合弱電電路及晶體管靜態試用以及用做真空爐(或氧爐)中熱電偶的輸出毫伏值
  16. When in experiment, the air was heated by the film heater installed on the above and below surface of channel, adopting various air velocity of flow, test import ' s and export ' s temperature, wall temperature, fluid flux and the drop of pressure, and the other parameter. adopting nu and nu0 to analyze the baffle ' s situation of heat transfer and fluid flow, which baffle was holed various diameters

    實驗時,通過矩形通道上下壁面敷設的電加熱膜加熱通道空,改變空速,試不同工況時的進出口溫度、壁面溫度、和壓力損失等,並採用無綱努謝爾特準則nu 、 nu _ 0等分析了設置不同開孔折板的換熱與動情況。
  17. And takes the method of passing electricity in wet environment to carry on the reinforcement corrosion acceleration to the reinforced concrete, and uses the linear polarization method to carry on the test to the polarized resistance and corrosion current density of the steel bar flowed through by electricity at different time, analyzing the rule of the change of the reinforcement corrosion parameters, and test the chloride ion diffusion coefficient to evaluate the impermeability of the concrete

    本文以不同水灰比、不同含、不同引劑的鋼筋混凝土為研究對象,採用濕通電法對鋼筋混凝土進行加速銹蝕,同時採用線性極化法對不同通電時間的極化電阻和腐蝕電密度進行試,分析銹蝕的變化規律,並通過定cl -擴散系來評價其抗滲性。
  18. The measurement was made on a gas - solid fluidized bed in our laboratory. the pressure fluctuation signals were obtained and analyzed through power spectrum density. the relation of the particle size to pressure fluctuation and other parameters was studied by using fuzzy set theory

    在實驗室條件下對-固化床的顆粒進行了,通過功率譜密度對所獲得的壓力波動進行了分析,並應用模糊集理論對顆粒尺寸與壓力波動及其它影響的關系進行了研究。
  19. Using lithium bromide aqueous solution as liquid desiccant, adopting the total heat transfer rate and enthalpy efficiency to describe the combined heat and mass transfer performance and the moisture removal rate and regenerative efficiency to describe the mass transfer performance of the regenerator, explores the effect of air and desiccant inlet parameters on the regenerator performance by experiment, and compares the result obtained with those of other counter - flow configurations previously published

    以溴化鋰溶液為除濕劑,採用總換熱、全熱效率描述再生器的熱質交換總體效果,採用再生、再生效率描述傳質效果,實驗試了溶液和空的進口對再生器性能的影響,並與逆再生器的實驗結果進行了比較。
  20. The turbulent characteristics of high - velocity sediment - laden and aerated flow are more other than the clear water flow of single - phase and current of low speed. in a special circulating system with high velocity flow, some flow parameters such as boundary shear stress and pulsation pressure are measured. an investigation is made on the turbulent characteristics of the three - phase flow of water, air and sand

    本文針對高速含沙摻的運動規律有別于低速水及清水單相,在自己研製的高速渾水循環系統中,通過對高速含沙摻壁面剪切應力和脈動壓強等,分析了水沙三相的紊動特性,探索了泥沙對固壁的磨蝕機理及減蝕措施,其主要內容包括以下幾個方面: 1
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