tube drop 中文意思是什麼

tube drop 解釋
電子管電壓降
  • tube : n 1 管，筒；顏料管。2 管狀地下隧道；〈口語〉（倫敦的）地下鐵道。3 【炮】炮身；【汽鍋】鍋管；【解...
  • drop : n 1 滴；液滴，水滴。2 〈pl 〉 【藥學】滴劑；滴眼藥。3 微量，點滴；一口[杯]酒。4 滴狀物；耳墜；水...
  1. At first, in the process of experiments, it were measured that dry plate pressures drop and point pressures in the flow fields around the single fixed - valve and double fixed - valves under different velocities by using of pitot tube. after that point pressure was transformed to point velocity, two dimensions flow plane of flow fields around fixed - valve were plotted to observe the difference between of the fixed - valve tray with fold edges and the common rectangular fixed - valve tray on the distributions of flow fields and pressures, to provide comparisons and refer - rence for cfd simulation

    在實驗中，利用測速管等儀器對在不同速度下的單閥和雙閥固定閥周圍的流場進行了點壓力測量，然後把點壓力轉化為點速度后繪出固定閥周圍流場的二維流線圖，同時測定了塔板的干板壓降，來考察新型固定閥帶折邊后對流場分佈和壓降的影響，為隨后的數值模擬提供對比和依據。
  2. The containerless rapid solidification of al - 32. 7wt % cu eutectic alloy in drop tube is investigated. the " lamellar eutectic - anomalous eutectic " microstructural morphology transition occurs with the decrease of droplet size

    採用落管無容器處理技術研究了al - 32 . 7wt cu二元共晶合金在深過冷條件下的快速凝固規律。
  3. Numerical study of heat transfer and pressure drop characteristics on staggered round tube - fin heat exchanger

    管片式換熱器傳熱與阻力特性的數值研究
  4. On the basis of that, this paper investigates the saturated temperature of hc600a - oil mixtures, condensation heat transfer and pressure drop characteristics in a horizontal micro - fin tube for it

    在此基礎上，對純天然工質異丁烷（ hc600a ）與潤滑油suniso3gs的混合物飽和溫度、水平微肋管內凝結過程的傳熱及流阻特性進行了實驗研究分析。
  5. On the basis of the investigation on the related literatures of new refrigerants substitutes and new refrigerant oil, the in - tube evaporation of refrigerant and refrigerant - oil mixtures. this paper make a experimental research on the saturated temperature of propane ( r290 ) and lubricant oil ( suniso 3gs ) mixtures, evaporation heat transfer and pressure drop characteristics in a horizontal micro - fin tube

    本論文在參考研究國內外有關製冷工質、替代製冷工質及其含潤滑油混合物在水平管內流動沸騰換熱研究現狀的基礎上，對丙烷（ r290 ）與潤滑油suniso3gs的混合物的飽和溫度、水平微肋管內流動沸騰換熱及壓降進行了實驗研究與理論分析。
  6. On the basis of the investigation on the related literature of new refrigerant substitutes, the in - tube condensation of refrigerant and refrigerant - oil mixtures, this paper investigates the saturated temperature of hc290 - oil mixtures, condensation heat transfer and pressure drop characteristics in a horizontal micro - fin tube for it

    本文在分析研究國內外有關替代工質、製冷工質及其含油混合物管內凝結性能研究現狀的基礎上，對純天然工質丙烷（ hc290 ）與潤滑油suniso3gs的混合物飽和溫度、水平微肋管內凝結過程的傳熱及流阻特性進行了實驗研究分析。
  7. Based on the method of energy consumption, an analysis is given of the impact, which the dirt growth of a tube and shell sewage heat exchanger will have on transfer intensity, flow pressure drop and their energy losses

    本文運用熱力學能耗分析法，分析了管殼式污水換熱器中軟垢的厚度對換熱強度、流動壓降及其有效能損失的影響。
  8. Characteristics of flow resistance of pin finned drop - shaped tube at different attack angles

    流體攻角對滴形釘頭管流體阻力特性的影響
  9. In this dissertation, the experimental study of rolling condition on two - phase flow instabilities of the forced - single - tube circulation system was carried out. furthermore, based on the d - partition method and the hypothesis of drift flow model, given some conservative equation, using the perturbation method the response of the pressure drop of the tube to the inlet flow rate perturbation was analyzed both in rolling condition and in normal upright position

    本文主要通過實驗對搖擺條件對單管強迫循環中汽液兩相流動不穩定性的影響，同時在d分區法的前提下，在兩相區基於漂移流模型，一定的守恆條件下，在搖擺和不搖擺工況中用線性小擾動法對實驗段的壓降對入口流速的擾動的響應進行了分析。
  10. Experiments are conducted in a 5 m long, 60x60 mm cross - section shock tube, liquid drops acted by shock wave undergo deformation, breakup and atomization. based on experiments, the effects of shock velocity and drop diameter on drop breakup time have been discussed

    採用ya ? 16高速照相機，詳細研究了液滴在激波作用下變形、剝離、破碎、霧化的全過程，並討論了液滴的破碎模式、激波強度和液滴直徑對液滴破碎時間的影響。
  11. Lockhart & martinelli pressure drop correlation is studied, and at the same time, based on the experimental data collected, the accuracy of this formulation is examined. 6. the evaluating method on intensifying heat transfer performance in microfin tube is provided, and by this method the performance of r290 and r404a is investigated

    研究了通用性較好的lockhart & martinelli摩擦壓降關聯式，同時將r290和r404a的管內沸騰換熱壓降實驗數據與關聯式計算值進行了比較，結果顯示：此關聯式對r404a的光管和內螺紋管沸騰換熱摩擦壓降有良好的預測精度，而且對于r290的光管沸騰換熱摩擦壓降有良好預測精度。
  12. But the influence trend of the maximum rolling angle and the rolling period was not so simple, it was because the influence of which embodied in the phase relationship of mass flow and the pressure drop across the tube. the d - partition method was developed to separate the test tube into four regions and the drift flow model was imported into the two phase region, based on which the solution of the response of the pressure drop of tested tube to the inlet mass flow perturbation can be obtained

    在不搖擺和搖擺工況下，採用d分區法對實驗段進行分區，在兩相區採用漂移流模型對實驗段的壓降對入口流速擾動的響應進行了求解，給出了各區壓降響應的表達式，進而得到了在不搖擺和搖擺工況下，壓降與入口流速擾動之間的傳遞函數。
  13. The results showed that the total heat transfer coefficient of petal - shaped finned tube oil - cooler with helical baffles was 4 ~ 5 times as large as that of smooth tube oil - cooler with segmental baffles at the same oil pressure drop

    結果表明，在相同油壓降下，螺旋隔板花瓣管油冷卻器的總傳熱系數是弓形隔板光滑管油冷卻器的4 ~ 5倍。
  14. Experimental investigation on condensation heat transfer and pressure drop of high saturation temperature organic fluid in a horizontal smooth tube

    水平管內高沸點有機工質凝結換熱的實驗研究
  15. Experimental investigation on heat transfer and pressure drop of pin - shaped - fin tube bank

    針形肋管束的傳熱特性和阻力特性的試驗研究
  16. Investigation on characteristics of pressure drop for binary mixture in horizontal micro - fin tube

    水平微翅管內二元混合製冷劑流動沸騰阻力特性研究
  17. The interactions between heat flux density, vapor pressure, vapor velocity and the coefficient of heat transfer for condensation in tube, the coefficient of heat transfer in total are investigated. the relationships between heat flux density and the total difference in temperature, the difference of temperature, pressure drop of vapor from the entrance of the tube to the exit are investigated as well

    考察了冷卻水流量、溫度恆定條件下熱流密度、蒸汽壓力、蒸汽流速對冷凝傳熱膜系數及總傳熱系數的影響關系，同時考察了總傳熱溫差、蒸汽進出口溫差及壓差隨熱流密度變化的關系。
  18. If all women took adequate folic acid before conception and during pregnancy, the number of babies born with a neural tube defect could drop by as much as 70 percent

    如果所有的婦女在懷孕前後獲得足夠的葉酸的話，該病的患病率可以下降70 。
  19. Experimental investigation on condensation heat transfer coefficient and pressure drop in high performance heat transfer tube

    高效傳熱管內凝結換熱性能及阻力性能的實驗研究
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