順氣流 的英文怎麼說

中文拼音 [shùnliú]
順氣流 英文
favorable current
  • : Ⅰ介詞1 (向著同一個方向) in the same direction as; with 2 (依著自然情勢; 沿著) along; in the d...
  • : 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...
  • 氣流 : 1 [氣象學] air current; airflow; wind current; airstream2 [語言學] breath氣流紡紗 open end spinni...
  1. In the northern southern hemisphere, the air around an anticyclone moves in a clockwise counterclockwise direction

    在北南半球,反旋附近的時針逆時針方向運行的。
  2. In the northern ( southern ) hemisphere, the air around an anticyclone moves in a clockwise ( counterclockwise ) direction

    在北(南)半球,反旋附近的時針(逆時針)方向運行的。
  3. An aircraft flying through a microburst may first encounter an increasing headwind and lift, then a downdraft from above the aircraft, followed by an increasinig tailwind and sink

    飛越微下擊暴的飛機可能首先會因逆風增強而浮力增加,隨即遇到上空的下沉,繼而因風增強而沉降。
  4. Being granted the fine weather, many stargazers in hong kong observed the perseids successfully in predawn of 13th august

    今年的8月13日凌晨,本港天朗清,不少天文愛好者利觀測到英仙座星雨。
  5. Small droplets tend to follow the streamlines of the air.

    小水滴運動。
  6. It also explain that the correlation between ssta of kuroshio and the change of wind field in equaroral mid - pacific is results of air - sea interaction ; however, when time comes into summer, the instance status of ocean is different from the last winter to next early springtime, the sea surface temperature turn into the definitive factor, so the increase of heat flux in may to jun month which is realized by absorbing more heat from the sun radiation results in the decrease of sst in kuroshio in the season of jun - jul. finally, during the aug to dec season of next year, the sst of kuroshio is increasing again

    最後分析了黑潮海溫與夏季東亞大及我國降水的時滯關系,發現:當前冬黑潮區域海溫異常偏高時,後期夏季亞洲低壓的強度減弱,西北太平洋副熱帶高壓強度加強,而且位置西伸、偏北,梅雨鋒位置偏南,長江中下游地區降水偏多,北太平洋冬季海域的海溫分佈呈+ 、 - 、 +趨勢(序為赤道中東太平洋、西北太平洋、我國近海) ;反之亦然。
  7. If the project proceeds as planned, toxic oil will move from offshore platforms through an earthquake zone and down and 800 - kilometer pipeline that crosses 24 active seismic faults and more than 200 wild salmon spawning rivers and tributaries

    如果該項目利進行,有毒的油將通過一個地震帶從海上平臺泄露出來,同時一條800公里長的管線將穿越24個地震多發帶,超過200條河及其支,而這正是野生大馬哈魚的產卵地。
  8. Abstract : based on thestatic wind force factors of a tower and on the root - mean - square of the buffetingdisplacement responses of the tower top, which are measured by wind tunnel tests inlaminar and turbulent field respectively, the static and buffeting internal forces of thetower bottom control sections under its design wind speed are obtained by linearsuperposition method and fem

    文摘:基於均勻和紊風場中的橋塔模型風洞試驗所測得的橋塔空力靜力系數及塔頂抖振響應的位移均方根,採用線性疊加法及有限元法反演,給出設計風速下塔底控制截面的風向靜風及抖振內力。
  9. The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade

    葉片內部通道冷卻是一個復雜的對?導熱耦合傳熱問題,本文在分析葉片內部通道冷卻的動與傳熱情況的基礎上,建立了三維、可壓縮紊的物理模型,得到了通用的求解辦法;利用不帶擾片的矩形直通道、帶排擾片矩形直通道、帶叉排擾片、帶傾斜擾片的矩形直通道的幾何模型,計算了冷卻空通過這幾種通道時的動與換熱情況,得到了各種不同情況下計算區域的溫度場、壓力場、速度場;在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響,並整理得到了各種通道形式下,努謝爾數和阻力因子與雷諾數的函數關系;本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾片的內部冷卻通道的強化傳熱效果,通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較,表明了這種新型鮚構的優勢,對于葉片內部通道冷卻結構的設計可以起到指導的作用。
  10. 5. according to the requirement of amt start up experiment, using dynamic link library to program for different kinds of data acquisition card and transferring data between pc and multi scm. in this way data can be acquired successfully and engine throttle 、 clutch locking speed and eddycurrent dynamometer torque were controlled by pc programs

    根據試驗要求,採用動態鏈接庫的方法對不同數據採集卡進行混合編程,利地採集參數和控制發動機節門開度及離合器結合速度,利用上下位機多機通信,使上位機控制電渦測功機,實現了模擬加載。
  11. The results show that the damages to the appearance of concrete structures exposed to atmosphere, including honeycombing, cracking along rebar, rebar corrosion, and concrete delamination, are quite serious, that the poor quality of concrete construction, the insufficient thickness of local concrete cover, and the rebar corrosion expansion and dilatancy induced by carbonization of concrete cover are the main causes, and that the main form of damages to the overflow structure is the abrasion resulted from water scouring

    結果表明,水閘的水上(大中)混凝土結構外觀破損十分明顯,露石露砂、筋裂縫、鋼筋銹蝕、混凝土破損剝落等已十分嚴重;引起破壞的主要原因是混凝土施工質量較差,局部保護層厚度不足,混凝土保護層碳化引起鋼筋銹蝕脹裂,而水沖刷磨蝕是水閘過結構破壞的主要形式。
  12. Based on the analysis of regime of spray and heat transfer, the spray nozzles were redesigned to distribute liquid in the center area of th e tower and the gas inlet was enlarged to raise gas velocity

    根據對式空塔的噴淋及傳熱模式的分析,重新設計了噴嘴,使噴淋液在設備中心附近集中;縮小了進管直徑,以提高進口體的速。
  13. At the same time, when the thickness - diameter ratio was larger than 1, it has little influence on the discharge coefficient for the hole configuration, but when the thickness - diameter ratio was less than 1, the discharge coefficient of the hole with across arrangement is higher than that with sequence arrangement

    同時,在膜孔厚徑比大於1時,膜孔的排列形式對量系數的影響不大,當厚徑比小於1時,叉排膜孔的量系數要高於膜孔的量系數。
  14. A warm water current within it swirls clockwise, affecting the weather of the area, keeping it calm and steamy

    在它裏面暖漩渦成時針旋轉,影響了該區域的天,使藻海平靜和水汽彌漫。
  15. It tell us : the abrasive capability of fly ash ; the similar calculation of ash erosion ; the calculation of ash erosion in the tube in turn and tube out of turn ; the reason of tube abrasion for gas flue ; the influence of air parameter for fly ash erosion ; the influence of changing temperature ; the influence of the flue gas composition, etc. next, it advances the solving measure ; reduce the flue gas velocity ; reduce the concentration of fly ash ; responsible construction : replace smooth tube with spiral tube ; use the new material of abrasion ; fuel desulfurization ; reduce so3 of flue gas ; raise flue gas temperature, making it up the dew point ; use the abrasion - resistance material to resist abrasion

    討論了飛灰磨損性能、管壁受飛灰沖蝕的近似計算、灰粒對列管和錯列管的磨損計算、煙走廊引起對管束的磨損機理、空動力參數對飛灰沖蝕的影響以及受熱面壁溫變化及煙成份對飛灰磨損的影響等問題。接著提出了解決的措施:降低平均煙速;降低飛灰濃度;使用鰭片管、螺旋翅片管代替光管;選擇合適的結構及排列方式,減少煙中so3的含量;提高受熱面壁溫使之大於煙的露點溫度;採用抗腐蝕材料作受熱面等防腐蝕的措施。
  16. Numerical simulation by cfd was carried out to understand the hot current behavior in a tunnel with longitudinal ventilation. it becomes clear that fire source modeling is very important because the hot current behavior is strongly affected by the fire source position and is sensitive to methods in the modeling of the fire source. the flame area which has developed from the fire source is an area of chemical reaction caused by combustion. even if grids in the vicinity of the fire source are made fine, it was difficult to simulate the heat generation area with consideration to this chemical reaction through using a method for setting the heat release rate simply on the fire source surface. therefore, we proposed a method adopting the knowledge on flame shape under the longitudinal ventilation and incorporating it into numerical simulation and it showed a good agreement with the experimental results. it was shown through experiments in a tunnel with longitudinal ventilation that the hot current developed toward the tunnel center downwind from the fire source near a wall. the cause was investigated by numerical simulation and it became clear from the results that the spiral air by the fire plume created a vortex in the crevice between the wall and the plume

    運用cfd進行數字模擬,以了解縱向通風隧道內熱煙的特性.通過模擬發現對火源進行模擬非常重要,熱煙特性受火源位置的影響很大,並且對火源模擬方法很敏感.火源生成的火焰區是燃燒引起的化學反應區域.即使火源附近的木垛排列完好,也很難在考慮這些化學反應條件下模擬熱生成區域.建議考慮縱向通風隧道內火焰形狀並對它進行數字模擬.模擬結果與試驗結果非常吻合.試驗證明,在縱向通風隧道內,熱煙從靠近墻體火源處風向隧道中心蔓延.數字模擬結果發現,火災羽造成的螺旋上升空會在墻體和羽之間形成一個渦
  17. Abstract : numerical simulation by cfd was carried out to understand the hot current behavior in a tunnel with longitudinal ventilation. it becomes clear that fire source modeling is very important because the hot current behavior is strongly affected by the fire source position and is sensitive to methods in the modeling of the fire source. the flame area which has developed from the fire source is an area of chemical reaction caused by combustion. even if grids in the vicinity of the fire source are made fine, it was difficult to simulate the heat generation area with consideration to this chemical reaction through using a method for setting the heat release rate simply on the fire source surface. therefore, we proposed a method adopting the knowledge on flame shape under the longitudinal ventilation and incorporating it into numerical simulation and it showed a good agreement with the experimental results. it was shown through experiments in a tunnel with longitudinal ventilation that the hot current developed toward the tunnel center downwind from the fire source near a wall. the cause was investigated by numerical simulation and it became clear from the results that the spiral air by the fire plume created a vortex in the crevice between the wall and the plume

    文摘:運用cfd進行數字模擬,以了解縱向通風隧道內熱煙的特性.通過模擬發現對火源進行模擬非常重要,熱煙特性受火源位置的影響很大,並且對火源模擬方法很敏感.火源生成的火焰區是燃燒引起的化學反應區域.即使火源附近的木垛排列完好,也很難在考慮這些化學反應條件下模擬熱生成區域.建議考慮縱向通風隧道內火焰形狀並對它進行數字模擬.模擬結果與試驗結果非常吻合.試驗證明,在縱向通風隧道內,熱煙從靠近墻體火源處風向隧道中心蔓延.數字模擬結果發現,火災羽造成的螺旋上升空會在墻體和羽之間形成一個渦
  18. Airway resistance ( raw ) tends to increase and inspiratory resistance ( ri ) in 7d increases significantly. compliance of lung ( cl ) has not a prominent change. 2. the alveolocapillary permeability increases during simulated weightlessness and can recover a bit as simulated weightlessness goes on

    3秒率oevm x呼速oef卜最大通量p )比正常水平降低,其中以7dfevm和zidmvv變化顯著;道阻力份刪)增大,以7d吸阻力仰變化顯著:肺應性k1 )變化不大。
  19. " the computer then reduces or enlarges air compartments within the pillow to facilitate nasal airflow to minimize snoring as the user shifts during sleep, " he said

    電腦藉控制枕頭內囊的大小,讓使用者在睡眠中調整位置,鼻腔空通更暢,就可減輕打鼾現象,他說。
  20. It is a disease state characterized by airflow limitation. because of airflow limitation, air cannot move smoothly through the airways

    患者的呼吸道受阻,以致不暢,呼吸困難。
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