氣流速度測量 的英文怎麼說

中文拼音 [liúliáng]
氣流速度測量 英文
gas velocity 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...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : 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...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  • 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
  1. The seven - hole probe ( shp ) is a device which can simultaneously measure the pressure and velocities of the steady flow, especially at large angles

    作為一種可以同時獲得的大小、方向、以及總壓和靜壓的裝置,七孔探針能夠被廣泛應用於各種大角
  2. Air is entrained as water jetting into water cushion pool, the gas - liquid two phase flows field are formed. the every phase velocity field are measured by using piv and ptv ( particle tracking velocimetry ) method in the course of jet angle 75and60 in gas - liquid flows of water cushion pool. image house of two phase flows are set up

    西安理工大學碩士學位論文使用數字圖像處理技術中的piv和ptv技術就射入水角75和60兩種情況分別了水墊塘模型水兩相場的各相場,建立了相應的兩相態圖像庫。
  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參考依據;六、在高水頭、大條件下,豎井空腔段下部很高,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,但空化數依然較低,因此豎井的空化空蝕始終是工程界關注的重大問題。
  4. Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied

    本文針對電站風機性能監系統研究較少的現狀,在實驗的基礎上分析了現場加裝進箱和由於安裝造成的導器葉片開不一致對風機性能曲線的影響,並在此基礎上採用無節方法,以風機調節性能曲線為依據,建立了基於徑向基函數( rbf )神經網路的風機全程監模型;以實驗室4 - 73no . 8d離心風機為研究對象,探討了rbf神經網路差壓模型在變轉、變導器開和變管網阻力等工況下的應用精和誤差分佈規律;最後用visualc + +語言開發了風機性能在線監系統。
  5. Then the air distribution system of the above - mentioned hotel ' s multi - function - hall was simulated with fidap, and the indoor temperature and velocity under the preliminary option was calculated. under the half - load condition of small air - supply quantity and slow velocity, finds that the problem has arisen, which the cold jets fall too fast in summer and the air distributes layer upon layer in winter

    然後應用fidap對上述旅館的多功能廳空調組織初步方案進行了數值模擬計算,預了該初步方案的室內溫分佈,發現在送風和送風小的半負荷工況下,會出現夏季送風時冷射過早下降,冬季送風時分層分佈的現象。
  6. 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、數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、電弧長及電弧半徑等參數,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、臨界電弧長均隨覆冰水電導率的增加而減小。
  7. Whole scheme of frame design of test - bed is proposed as : the host fanner supply the firebox the once and twice air required by diesel oil ' s burning and the cooling air ; the export parameter of the test - bed is varied by the adjust of the flux of air and diesel oil. and the air flux is varied by adjusting the rev of the fanner adjusted by transducer and the corner of the fan inlet adjusted by step motor. the quantity of oil is varied by adjusting the oil valve adjusted by step motor ; the measurement of the air flux in the test - bed adopts the method of fanner dynamics performance test in the nation criterion

    確立了實驗臺結構設計方案:主風機為燃燒器提供燃燒所需的一次、二次進風及冷卻風;利用變頻器調節主風機轉、用步進電機調節風門開來調節風,用步進電機調節回油閥開來調節供油,從而實現對模擬實驗臺出口煙的調節;實驗臺的採用風機動力性能試標準中方法等。
  8. Whole scheme of frame design of testing flat is proposed as : the host fanner supply the air required by flamer ’ s burning and cooling, the export parameter of the flat varies by different rotate speed of the fanner 、 angle of the fan inlet and the quantity of oil, the measurement of flow in the testing flat adopts the method of fanner dynamics performance test in the nation criterion

    確立了實驗臺結構設計方案:主風機為燃燒器提供燃燒所需的一次、二次進風及冷卻風;模擬實驗臺出口煙是通過調節風機的轉、風門開及燃油來改變;實驗臺的採用風機動力性能試標準中方法等。
  9. 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參數有關,而且與體的、各相含、分佈狀態以及電磁場有關。
  10. In this thesis, we have mainly studied the characteristics of chf3, c6h6 and cf4 electron cyclotron resonance ( ecr ) plasma using langmuir probe and optical emission spectroscopy ( oes ). the relative concentration of different radicals in chf3 plasma and the effect of chf3 / c6h6 ratio on bond configuration of a - c : f films were discussed. it was showed that h, f, c2 were the main radicals among radicals of h, f, c2, ch and f2 in chf3 ecr plasma

    重點研究了chf _ 3 、 cf _ 4和chf _ 3 c _ 6h _ 6放電等離子體中基團的分佈;分析了不同基團的相對密隨宏觀放電條件(微波輸入功率、放電壓、源比)的變化規律;探討了等離子體中各種基團的生成途徑;在不同源比的條件下沉積了a - c : f薄膜並通過傅立葉變化紅外吸收光譜( ftir )的得到了薄膜中鍵結構的信息;分析了a - c : f薄膜的沉積率及其鍵結構與等離子體空間基團分佈狀態之間的關聯。
  11. 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,改變空試不同工況時的進出口溫、壁面溫和壓力損失等參數,並採用無綱努謝爾特準則數nu 、 nu _ 0等分析了設置不同開孔折板的換熱與動情況。
  12. The proposed method has been successfully applied to the determination of glucose in human serum. the linear range of the glucose concentration was 1. 1 to 110 mm and the detection limit was 0

    我們研究了固定化反應器中酶反應的條件、洗脫液的ph值、空對晶元性能的影響,在最佳條件下,葡萄糖濃的響應線形范圍為1
  13. Vacuum technology. vapour vacuum pumps. measurement of the volume rate of flow pumping speed

    真空技術.蒸真空泵.體積泵的抽
  14. 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進行試,分析銹蝕參數的變化規律,並通過定cl -擴散系數來評價其抗滲性。
  15. On the basis of the field data of water temperature, a new formula for estimating water temperature of river by using meteorological factors is put forward by using the method of least squares

    摘要結合某域水溫原型觀資料,通過分析水溫與溫、太陽輻射、濕和風之間的相關關系,採用最小二乘法建立了水溫與溫、濕和風三者之間的多變函數方程式,提出了一種利用象因子估算天然河道水溫的新公式。
  16. Based on simulation results which were satisfied, the effect of bubble diameter on entrainment concentration forcast result was analyzed. the bubble moving rule was found which includs the bubble is escaping upwards along the way, the diameter of the bubble is bigger, the velocity upwards is larger and the bladder remaining near channel bottom is smaller. to make best use of the function of the aerator, the demands of enough air entrainment quantity and suitable air bubble diameter are needed to be satisfied

    根據計算結果,對水兩相泡尺寸對摻結果的影響進行了分析,得到沿程泡不斷上逸,泡粒徑越大,其上逸越大,則留在渠底附近的泡越少的泡運動規律,提出了摻槽的設計,除滿足摻外還應滿足摻粒徑要求的工程建議。
  17. Abstract : with an optical probe based on the principle of multi - wavelength light extinction, size and concentration of droplet were measured in a transonic wind tunnel. this paper presents the measurement results

    文摘:應用基於多波長消光法原理發展的光學探針,了跨聲風洞中不同馬赫數濕空自發凝結形成的水滴尺寸及濃,並給出了實驗結果。
  18. Refined grids were utilized in a large - eddy simulation model for obtaining high - resolution planetary boundary data and analyzing surface layer turbulence. simulation results showed that refined meshes reduced turbulent contributions of subgrid scales, sensitivity of simulation results to sgs parameters decreased, and features of the whole boundary layer were explicitly resolved better. results also revealed flux - profile relationship correctly in surface layer and a good agreement of turbulent velocity characters with observation. therefore, it concluded that the les method was able for simulation of surface layer flow and turbulence, and might be used for further applications

    採用加密網格的大渦模式獲取邊界層風溫場的高解析模擬結果,並據以分析近地面層大的湍特性。結果表明,較小的網格尺使次網格湍貢獻率大為降低,模式計算結果對次網格參數的依賴性減小,邊界層整體特徵得到更好的反映。同時,模擬出的近地面層通廓線關系及湍特徵與實際觀結果吻合甚好,表明模式具有反映近地面層平均運動和湍特性的能力。
  19. Ventilation for buildings - instrumentation requirements for air velocity measurements in ventilated spaces including corrigendum ac : 2002 ; german version en 13182 : 2002 ac : 2002

    建築物的通風設備.通風空間氣流速度測量用設備要求
  20. This paper focuses on the measurements of the taylor bubble and liquid slug velocity, and the length of the taylor bubble and liquid slug by conductivity technology in a vertical short tube

    摘要採用電導原理對液兩相彈狀中的彈狀、液塞、彈狀泡長和液塞長進行了
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