氣體速度 的英文怎麼說

中文拼音 [qìtǐsùdù]
氣體速度 英文
gas velocity
  • 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...
  • 體 : 體構詞成分。
  • 速 : 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 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 氣體 : gas; gaseous fluid
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. （快慢的程度） speed; rate; pace; tempo
  1. In this paper, using phoenics software to compute and analyze the variety rule of the convecting transfer heat at the basis of computing and analyzing the temperature and velocity field of one underfloor supply air room with a focus hot source, and concluding that the number of the hot source and the supply air outlet > the intensity of the hot source and the volume of supply air will influence convecting transfer heat, and obtained its correlativity formula

    本文針對一下部有集中熱源的地板送風空調小室，利用phoenics軟體，在計算分析小室內氣流的速度場及溫度場的基礎上，對對流熱轉移量的變化規律做了計算分析，最後得出對于下送風小室的對流熱轉移量與熱源的個數、送風口個數、熱源強度、送風量等因素有關，並且得出了其相關關系式。
  2. Since cordite burns at a greater rate at a higher pressure a relief valve must be used to allow generated gas to escape to atmosphere at times when the demand is low.

    因為柯達火藥在較高的壓力下以較高的速度燃燒，所以必須使用一個溢流閥，以便當用氣少時，能讓所產生的部分氣體排到大氣中去。
  3. By comparing the dry plate pressures drop and distributions of velocities simulated on single valve with those of double valves, it was found that there was intense turbulence in the flow fields around fixed - valve, there were eddy areas between valve side orifices and tray wall, there were eddies above the valves too, these led to the complex behaviors of gas perforating valve, these had a great effect on the gas - liquid mass transfer process. at the same time, in order to prevent the disadvantageous effect of gas between one valve with another on the gas - liquid mass transfer, it was very effective to change the fields of gas perforating valve by folding the edges of valve

    通過對數值模擬得出的單閥和雙閥塔板的干板壓降及流場速度分佈分析對比后發現，固定閥周圍流場存在較強的湍動，閥側孔與塔板壁面區域以及閥體的上方空間存在明顯的渦流區，使氣體穿閥后的行為變得復雜，並對氣液傳質過程產生重大影響；模擬結果表明，為防止和削弱固定閥間的對沖造成的「死區」對傳質帶來的不利影響，通過折邊來改變氣體的氣路是非常有效的，模擬值與實驗值基本得到吻合。
  4. Pneumatic conveying requires comparatively high gas velocities.

    氣力輸送需要比較高的氣體速度。
  5. Intense ultraviolet radiation from the core heats the circumstellar gas to ten thousand degrees, and the velocity of the gas flowing away from the star jumps to about a million miles per hour

    核心強烈的紫外輻射將星周氣體加熱到上萬度，從恆星流出的氣體速度躍升到了每小時百萬英里。
  6. A series of multi - pulse experiments are performed at breakdown voltage up to 400kv, peak current up to 30ka with an interval of 5ms, which shows spark gap switch could be obtained good insulation recovery in several milliseconds under the condition of water dielectric pulse power modulator with low load

    在擊穿電壓400kv ，峰值電流30ka ，脈寬40ns的工作參數下，採用吹氣的辦法（氣流速度30m / s ） ，使氣體火花開關多脈沖運行間隔達到5ms ，實驗結果與理論估計相符。
  7. The deposition rate of aerosol particles in capillary tube was measured with submicrometer monodisperse polystyrene spheres solid aerosol particles and pulse sample inserting technique ; and studies were made on the relationship between the flow velocity, the tube diameter, the tube length and aerosol particles size

    摘要採用亞微米單分散聚苯乙烯球形硬氣溶膠粒子和脈沖進樣技術，測定了氣溶膠粒子在管道中的沈積率，研究了沈積率與流體速度、管道長度、管道直徑和氣溶膠粒子大小之間的關系。
  8. Through having done field surveys in the campus of chongqing university, this paper tested classroom indoor and outdoor climate parameters in june, july and september of 2005, it used questionnaire to acquire subjects ’ thermal sense, draft sense and humidity sense in classroom each month, and programmed composition to compute predicted mean vote and compared pmv with the field testing results of mean thermal sensation vote. it is discovered that pmv is overvalued the college student ’ thermal sensation in chongqing. it finds that people in chongqing adapt to the typical summer hot and winter cold sweltering weather

    對重慶地區高校教室的現場調查，測試了重慶大學2005年六月、七月和九月教室室內外熱環境參數，通過採用問卷主要掌握了受測對象教室里的冷熱感、氣流感和潮濕感，通過編製程序求得預測平均熱感覺評價pmv的值，比較pmv和問卷調查得到的平均熱感覺mtsv ，發現pmv預測值高估了重慶地區高校學生的熱感覺，這里的人群對重慶這種夏熱冬冷地區比較典型的悶熱氣候具有一定的熱適應性，對現場問卷調查的結果進行分析，得出了室內空氣溫度、氣流速度、相對濕度與人體主觀感覺之間的回歸曲線，發現重慶地區高校學生熱中性時的空氣溫度為25 . 5 ， fanger根據歐美人群調查得到的公式計算出的預測熱感覺為中性時的空氣溫度為25 . 0 ，兩者相差0 . 5 。
  9. 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

    本文在汽車排氣后處理裝置工作過程研究方面，運用計算流體動力學軟體，對催化轉化裝置氣流場開展了模擬，得出了氣體速度場和壓力場的分佈情況，提出了以改善氣體流動和催化轉化效率的催化轉化裝置結構優化的方案。
  10. ( 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 ）超音速霧化器的氣體流場在導液管下端形成一個倒渦流錐，在二維空間上呈軸對稱的雙峰分佈，負壓形成於這個倒渦流錐內； （ 2 ）修正後的霧化氣體速度公式可以滿足超音速霧化的要求； （ 3 ）影響超音速霧化工藝最根本的因素有氣液質量流率比（ gmr ）的大小、霧化氣體流量和倒渦流錐范圍，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 ，霧化氣體壓力取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。
  11. At the beginning of this article, we give the analysis about the principle of external condensation. we find out that the most important factor in the condensation is the temperature of the air in the system. and we point out the factors which can make influence in the external condensation, such as the temperature and the humidity of the environment, the temperature and the pressure of the supplying air, the load of the system, the area of passage of speed control valve, and so on. next, we give the mathematics model of the pneumatic system using the knowledge of aerodynamics and heat transfer theory. and using the finite difference method and the numerical analysis we can get the solutions of the model. we use c program to simulate the model

    本文首先對氣動系統外部結露的原理進行了分析，指出了氣動系統內部氣體溫度下降是氣動系統外部結露根本原因，提出了影響氣動外部結露的主要因素，包括環境溫度、環境濕度、供氣壓力、供氣溫度、氣缸負載和調速閥開度等。然後應用氣體動力學、氣體熱力學和傳熱學對氣動系統建立數學模型，用逆步進有限差分法和數值分析演算法對所建模型進行求解，利用c語言編製程序對氣動系統模型進行模擬，給出了氣管及氣缸內氣體的各個時刻的狀態參數。
  12. Rotor blades rotate almost same speed of with same circumference speed with injected gas speed from lv pocket

    轉子風葉的圓周線速度幾乎與lv氣室噴出的氣體速度相同。
  13. In the simulation model, the cellular automata model is applied to describe the tunnels system, and a cellular is used to represent an energy unit of flame, which is eradiated from the fire - point and contains such status parameters as temperature, velocity, smog density, density of poisonous gases

    在該方法中，用元胞自動機模型描述地下礦巷道網路系統，用元胞來描述火焰蔓延能量單元，該單元用火焰溫度、蔓延速度、煙霧濃度和有毒氣體濃度等狀態參數來描述。
  14. The surface morphology of these films was characterized by sem technology. the results show that tcnq film is highly sensitive to nh3. the pmma film doped by snpc is also highly sensitive to no2 with fast response speed, but the recovery time gets longer with the increase of gas concentration

    實驗探討了不同轉速對敏感性的影響，然後分別測試了各種膜的氣體敏感性，結果表明，純tcnq旋塗薄膜對氨氣具有相當高的敏感度，但是響應和恢復時間較慢且隨氣體濃度增加而變長;摻入酞菁錫的pmma旋塗薄膜對氧化氮氣體具有良好的響應時間和敏感性，但是恢復時間較慢。
  15. Abstract : this paper introduce the basic theory of the hot - wire / film anemometer and the method to determine the flow velocity of calibration nozzle system. this calibration nozzle system is designed for the calibration of hot - wire / film anemometer. a method to determine the uncertainty of this system is fully analyzed using uncertainty thoery in this paper

    文摘:介紹了熱線熱膜流速儀的基本原理和用於熱線熱膜流速儀校準用的校準噴嘴系統的氣體速度確定方法，分析和推導了用不確定度理論全面分析系統不確定度的方法。
  16. A mathematical model of flows in the substrate was established using the equivalent continuum approach, and multi - dimensional numerical simulation of the steady flows in the catalytic converters was performed. simulation results show that the separation and vortex, which cause the pressure loss and the velocity non - uniformity at the front of the first substrate, are generated near the wall of the conical pipe. in addition, the larger the inlet cones angle the more the pressure loss and maldistribution in converters, however, when the angle enlarges enough the pressure loss would be decrease

    結果顯示氣流在擴張圓錐管壁附近出現分離產生較強的擾動，造成局部流動損失和載體前氣流速度沿徑向分佈不均勻；入口擴張管結構對催化器的流動特性有很大影響，但並非擴張角越大，催化器流速武漢理工大學碩士學位論文分佈的不均勻性和壓力損失也增大，而是存在著一個最佳角度，但當擴張角增大到一定程度以後，擴張角對流速分佈和壓力損失的影響變小。
  17. We then discuss the vibrational - rotational level transitions and the population rate equations for the laser. in addition, electron temperature, electron density and the mixtured gas temperature in the laser plasma are investigated in details. the third part is with regard to the optimal designs and the experiments of the lasers

    在二氧化碳激光動力學機理的研究中，比較詳細地討論了二氧化碳激光動力學過程，給出了激光振動-轉動能級躍遷及其速率方程、激光等離子體電子密度和電子溫度，以及混合氣體的氣體溫度
  18. Research on velocity of gases in the diffuser of steam eject pump

    蒸汽噴射泵擴壓器漸縮段內氣體速度的研究
  19. We have developed a set of supersonic atomizing equipment with the base theory of the supersonic atomization and the base characteristic of the solder alloy. the paper studies systematic the production technology and process of the solder alloy fine powders in the equipment, and deduces the gas velocity formula used in supersonic atomization in theory

    為此，運用超音速霧化的基本原理和焊錫合金的基本性質，研製出一套超音速霧化裝置，在該裝置上對焊錫合金微粉的制備技術及工藝進行了系統的研究，並從理論上推導出適用於超音速霧化的氣體速度公式。
  20. Please refer to the gas speed distribution for each stage of mill body and classifier body, which is shown in chapter 3

    有關氣流速度在磨體及選粉機體各階段的分佈請參照第三部分所示。
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