滑流現象 的英文怎麼說
中文拼音 [gǔliúxiànxiàng]
滑流現象
英文
slip flow phenomena-
Under the assumption that the inner surface of stator sleeve and outer surface of rotor are smooth, taking the fact into account that the temperature of stator sleeve of evaporation cooling motor keeps almost the same, horizontal evaporation cooling motor is simplified as a physical model of two coaxial sleeves, with outer sleeve ( the stator ) holds still and keep at constant temperature and inner sleeve ( the rotor ) is rotating and heated
本文通過數值和實驗手段研究了臥式蒸發冷卻電機楔形氣隙中的流體流動、傳熱現象。本文在定子套筒和轉子表面光滑的假設下，針對蒸發冷卻電機定子套筒壁面基本恆溫的特點，將實際蒸發冷卻電機簡化為同軸套筒內筒加熱旋轉、外簡靜止定溫的物理模型。Reasonable design, big flow zone, smoothbore, no heap of dirty, small flow resistance
設計合理，流通面積大，通徑平滑過渡，無臟物堆積現象，流通阻力小。The final finish is smooth with no pinholes, no uneven painting and no bubbles. the granularity can not be too big, no leak painting, no sag painting etc
漆膜光滑、平整，沒有針孔，花臉，不起泡，粒度不能過大；無漏塗部位，無流掛現象。This paper mainly study electromagnetism damage problem on the bearing lubricate interface induced by modern power inverter. investigate the different forms of rotor to ground voltage and bearing currents
本文主要以電機軸承為研究對象，對現代變流技術導致的潤滑界面電磁損傷現象進行研究。Induced by geological, geomorphological and hydrogeological features and human activity, wide - spread geological hazards such as debris flows, landslides, land collapses and potential unstable slopes often occur in danba, sichuan
摘要受地質、地貌、水文氣象條件及人類活動的影響，丹巴縣泥石流、滑坡、崩塌及潛在不穩定斜坡地質災害呈現分佈廣、成災快、危害大等特點。These landslides go with fluidization peculiarity different degree in course of their motion, and their speed and distance increase several times because of the fiuidization, thereby the disaster area greatly broaden. on the base of above, the paper studies systematically the fluidization of large high - speed rockslides in all its aspects : analyzed the aerodynamic effect in the short - range on the base of the wind turmel experiment, studied the effect of falling into pieces when landslides collides mountain ; studied the accelerating effect through high - speed collide experiment of landslides model ; and the paper reappear the overall process including set - out, collide in the short range, debris flow in the long - range of touzhai large landslide via distinct element method ( dem ), studied the flow law and equation of different type of debris flow resulted from large landslide. as a sample to apply, the paper analyzed fluidization mechanism of touzhai landslide
基於這一點，本文對大型高速巖質滑坡的流體化現象進行了全面而系統的研究：通過風洞模型實驗，研究了大型高速滑坡凌空飛行階段的空氣動力學效應，研究了飛行中滑坡巖體在與途中不動山體發塵碰撞時的解體破碎效應，通過滑坡巖體高速碰撞模型實驗研究了滑坡巖體解體破碎後部分巖體的加速運動效應，並應用離散單元法再現了雲南頭寨溝大型滑坡啟動高速、近程碰撞、遠程碎屑流運動的全過程，研究了巖體解體破碎后形成不同類型碎屑流的運動規律及運動方程，並對頭寨滑坡流體化運動機理進行了實例分析，取得了以下主要結論和成果： （ 1 ）對于大型高速滑坡，大多在啟程活動階段已獲得了高速，這使得這類滑坡在其離開剪出口之後以凌空飛行的形式向前運動，在其飛行過程中，滑坡巖體與空氣強烈作用，並產生空氣動力學效應，滑坡巖體在因碰撞而產生的解體破碎效應及部分巖體的加速運動效應的作用下，在遠程活動階段，以高速碎屑流的形式向前運動。My paper attempts to attain some conclusions from this study of gas cavity, and these conclusions may be useful to controlling bearing operation. the oiling system is an important part of radial - thrust floating - ring hybrid bearing. there are some factors that lead to the variation of oil - pressure in the oiling system
本論文試圖從理論方面研究由於供油壓力變化導致氣穴現象（這時候呈現兩相流潤滑）對徑?推聯合浮環動靜壓軸承動靜態特性的影響，為以後可能尋求主動控製作了準備。Secondly, to research the phenomena of gas cavity in the oil recess, which was caused by the low oil pressure and to analyze its influence on the dynamic and the static characteristics of bearing
進而分析由於供油壓力變化導致氣穴現象發生時，對軸承動靜態性能的影響。另外對紊流工況下兩相流潤滑對軸承動靜態特性的影響作了初步探討。First, because pipelines are so complex that controlled object is high order, delay, coupling, nolinear and time - varing, it is difficult to realize closed loop control for it using valid mathematic model. to resolve this problem, the paper presents a fuzzy - pid control algorithm with self - adjusting regulation factor. second, if a moving motor supplied by inverter power is switched to be supplied by power supply, the impact of overload - voltage and overload - current appears
主要針對中、大容量供水系統中，由於供水管網鋪設復雜、彎管多、控制對象具有高階、滯后、耦合、非線性及參數時變的特點，難以利用有效的解析式數學模型進行閉環控制，以及多臺水泵並聯運行時，水泵電機由變頻電源供電向工頻電源供電切換過程中產生的過電壓過電流沖擊這兩個難題，提出了可調整因子fuzzy - pid控制演算法及利用鎖相環控制實現水泵電機由變頻電源向工頻電源的同頻同相平滑切換。分享友人