氣體流速 的英文怎麼說

中文拼音 [liú]
氣體流速 英文
gas flow rate
  • : 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...
  • : 體構詞成分。
  • : 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...
  • 氣體 : gas; gaseous fluid
  • 流速 : [機械工程] velocity of flow; strength; [水文] current velocity; current speed; flow rate流速管 pi...
  1. Through the special studies on impacts to atomizing and humidifying effect from such factors as the firing pin type, centrifugal structure, higher spraying pressure, less aperture, initial water temperature and original state of the air, some conclusions are obtained, such as : the centrifugal nozzle with firing pin type, high pressure and little aperture has bigger air eddy and atomizing angle. the spaying liquid has high velocity. the droplet is small, and the heat and mass transfer velocity is high

    通過對撞針型結構、離心式結構、較高的噴水壓力、較小的噴嘴孔徑、噴水初溫及待加濕空初狀態對霧化加濕效果的作用原理的重點分析,得到:撞針型高壓小孔徑離心式噴嘴具有較大的空渦與霧化角,噴出的液高、液滴小、水與空傳熱傳質率高,撞針型結構提高了霧化加濕效率,高壓小孔徑的特點為霧化加濕提供了較大的能量,而噴水初溫的升高會減小水的粘性力和表面張力,從而優化加濕效果。
  2. The reaction activity was influenced by the velocity of gas, and the conversion rate was inverse ratio to the velocity of flow

    同時研究了反應氣體流速對h _ 2s光催化氧化反應的影響, h _ 2s的去除率與成反比。
  3. Using jgp560c magnetron sputtering equipment, cu / ag film are deposited on cd1 - xznxte substrate by dc magnetron sputtering in order to get the influences of the main experiments parameters such as sputtering power, gas flow, vacuum air pressure, magnetoelectricity power and substrate temperature on deposition rate of film, discovered that dc sputtering power is the most key factor influencing the deposition rate

    在jgp560c型超高真空多功能磁控濺射鍍膜機上,採用直磁控濺射法在cdznte晶上制備出cu ag合金薄膜,揭示了量、直濺射功率、勵磁電源功率、工作壓和襯底溫度等工藝參數對沉積率的影響規律。結果表明濺射功率對沉積率的影響最大,隨濺射功率的增大沉積率快增大。
  4. The influences of structure variables such as impeller types, baffle configurations, gas sparger, and operational variables such as gas rate, particle fraction on critical suspension speed of floating particle in an agitated vessel were investigated

    摘要探討了攪拌槳型、擋板和分佈器等結構因素及量、顆粒質量分數等工藝因素對下沉顆粒三相系臨界攪拌轉的影響。
  5. Plastics piping systems - fittings, valves and ancillaries - determination of gaseous flow rate pressure drop relationships

    塑料管道系統.管件閥門和附件.氣體流速與壓降之間關系的測定
  6. This research is to eject some compressed air into the dredging pipe to get tri - phase flow in the pipeline, and research the change about the pipe resistance, at the same time, obtain the more effect adding gas method and realize reduction friction and prolong the dredging distance

    本文研究的目的是在一定的漿和漿濃度下向輸送管道中加入一定量的,在管道中形成三相,進而探討加后管道動的變化規律,同時確定出比較有效的加方案,從而實現減少阻力延長排距的目的。
  7. Nozzle in the furnace the gas - quenching pressure can be 15 bar, airflow is big and uniform, cooling rate is very high

    配置內置高效熱交換器,以及經優化設計的淬系統,冷卻量均勻且大,冷卻度高
  8. 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釋放與液柱分離進行了研究,觀察其態、測試液柱分離發生的條件及斷彌合水錘壓力,研究了含量、等參數對液柱分離的影響。
  9. 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放電等離子中基團的分佈;分析了不同基團的相對密度隨宏觀放電條件(微波輸入功率、放電壓、源量比)的變化規律;探討了等離子中各種基團的生成途徑;在不同源量比的條件下沉積了a - c : f薄膜並通過傅立葉變化紅外吸收光譜( ftir )的測量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空間基團分佈狀態之間的關聯。
  10. The paper introduces acquired air rate of flow in admission pipes and fluidity in cylinder on single cylinder or multi cylinder engines with hot - wire anemometer, and demarcation and adjustment method of measure values are provided

    摘要本文介紹了利用熱線風儀測量單缸與多缸內燃機進管內缸內動以及標定與修正的方法。
  11. Computer fluid dynamics ( cfd ) is adopted to simulate the flow fields of catalytic converter while researching the working process of emission postprocessor. the velocity field and pressure field of exhaust gas are obtained. methods of structural optimization of catalytic converter for improving gas flow and conversion efficiency are proposed

    本文在汽車排后處理裝置工作過程研究方面,運用計算動力學軟,對催化轉化裝置場開展了模擬,得出了度場和壓力場的分佈情況,提出了以改善動和催化轉化效率的催化轉化裝置結構優化的方案。
  12. ( 3 ) the most principal factors that influence the supersonic atomization process include the flow ratio of the gas - liquid metal ( gmr ) value, the flow of atomizing of gas and the range of the inverse vortex taper. the more of the value of three factors, the more advantage they are for the atomization and the more fine the powders are. ( 4 ) the produced powders are the best in efficient atomization efficiency, particle diameter, particle shape and dispersion when the solder alloy is zhl63a, atomizing medium is n2, the protrusion h = 6. 0mm, atomizing gas pressure p = 100mpa, over - heat temperature t = 167 ( t = 350 )

    研究結果表明: ( 1 )超音霧化器的場在導液管下端形成一個倒渦錐,在二維空間上呈軸對稱的雙峰分佈,負壓形成於這個倒渦錐內; ( 2 )修正後的霧化度公式可以滿足超音霧化的要求; ( 3 )影響超音霧化工藝最根本的因素有液質量率比( gmr )的大小、霧化量和倒渦錐范圍,三個因素的值越大,對形成細粉越有利; ( 4 )在焊錫合金為zhl63a ,霧化介質微n _ 2 ,導液管突出高度取h = 6 . 0mm ,霧化壓力取p = 1 . 0mpa ,合金過熱度取t = 167 ( t = 350 )時,所制得的粉末在有效霧化率、顆粒球形度、粒度及其離散度三個方面綜合性能最好。
  13. According to the physical model, a mathematical model and computational method were proposed. an axially symmetric transient thermal conduction equation was put forward, which included material pyrolysis, pyrolysis gas flow and chemical reaction in charred layer. chemical reaction was controlled by chemical dynamics, and the reaction rate was computed using arrhenious equation

    針對物理模型提出了相應的數學模型和數值計算方法,在材料內部建立了二維軸對稱的非穩態導熱控制方程,其中加入了材料熱解、熱解動以及炭化層內的化學反應等因素的影響,化學反應由化學動力學控制,通過arrhenius公式確定其反應率。
  14. By carrying on experimental study to the ignition performance of the natural gas high speed burners under different conditions, the influence factors are probed such as the type of the gas source, the combustion air pressure, the gas pressure, the proportion of air and gas, gas flow and electrode to the ignition performance of natural gas high speed burner

    摘要在不同的條件下對天然燒嘴的點火性能進行了實驗研究,探討了源種類、助燃空壓力、燃壓力、空與燃的比例、量、點火電極等因素對天然燒嘴的點火性能的影響。
  15. In experimentation, the project adopts computer, data collection board, sensor and software. finally, the theory analsis is validated that the contact of noise elimination, velocity of flow, resistance loss

    在試驗中,採用了以計算機、數據採集卡、傳感器和處理軟得到阻性消聲器的動態特性,從而驗證了阻性消聲器的消聲量、氣體流速和阻力損失之間聯系的理論分析。
  16. Better agreements between computation results and experimental data were found using the models. ( 4 ) two phenomena in straight - convergent - divergent - straight microchannels were identified, which are different from the macroflow through experimental studies. one is that the first appearing sonic point position in microchannels is not near throat cross - section

    ( 4 )對等直收縮擴張等直微管道中動的實驗研究發現兩個特異現象:其一為微管道內最早出現聲點的位置不一定在喉部附近,其二為微管道中的臨界壓比與常規值有很大差別。
  17. The authors offer an engineering textbook that " talks directly to tomorrow ' s engineers in a simple yet precise manner, that encourages creative thinking, and is read by the students with interest and enthusiasm

    在應用中,包括空、蒸汽動力循環和製冷循環以及混合和化學熱力學、動等工程技術應用。
  18. Proposed in this paper is a digital compensation algorithm developed on the basis of fuzzy control theories

    摘要為快、精確測量質量量,通過分析量計中量的變化規律,提出一種基於模糊控制方式的數字補償演算法。
  19. It was still a technical problem on how to add the air to the reactor in so small pressure difference. in addition, the photocatalytic reaction efficiency was very low at the high speed. the reactor will be large, the price will be very high and the electricity will be enormously consumed during the photocatalytic - oxidation of h2s in the methane

    主要原因是沼中不含氧,使用時氣體流速大,壓差小,而用光催化氧化方法消除h _ 2s需要有相當量的氧參與,在壓差很小的情況下,一次空的加入存在技術困難;在高氣體流速條件下,光催化效率低,若用光催化方法消除h _ 2s ,反應設備龐大,耗電量高,價格昂貴,農民難以負擔。
  20. In order to otain high quality zno thin films, we, for the first time, employ the plasma enhanced chemical vapor deposition ( pecvd ) to prepare high quality zno thin film at low temperature using a zinc organic source ( zn ( c2h5 ) 2 ) and carbon dioxide ( co2 ) gas mixtures. the effects of the growing condiction and the native oxide layer of si substrate on the quality of zno thin films was studied in detail. to prepare p - zno and overcome the dufficulty of reverse due to the interaction between the n atomic, we obtain high qulaity p - zno by a easy way of thermal zn3n2

    為了在低溫下制備高質量的氧化鋅薄膜,我們採用金屬有機源和二氧化碳源,首次利用等離子增強化學相沉積的技術在低溫下制備了高質量的氧化鋅薄膜,系統地研究了生長條件以及襯底表面氧化層對薄膜質量的影響,確定了生長高質量氧化鋅薄膜的優化條件;為獲得p - zno材料,克服在zno中摻n雜質間相互作用影響摻雜效率不易獲得p - zno的困難,我們通過熱氧化zn3n2的方法制備了p - zno ,獲得了一系列研究結果: 1 、詳細研究了氣體流速比,襯底溫度和射頻功率實驗參數對氧化鋅薄膜特性的影響。
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