旋轉水流 的英文怎麼說

中文拼音 [xuánzhuǎnshuǐliú]
旋轉水流 英文
rotational flow
  • 旋 : 旋Ⅰ動詞1 （旋轉） whirl 2 （用車床切削或用刀子轉著圈地削） turn sth on a lathe; lathe; pare Ⅱ名詞...
  • 轉 : 轉構詞成分。
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 流 : 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...
  • 旋轉 : revolve; gyrate; rotate; spin ; revolution; revolvement; rotation; circumgyration; circulation
  • 水流 : 1. （江河） rivers; streams; waters2. （流動的水） current; water flow; fluent; flow; [水文] stream current
  1. In this dissertation, through computer simulation, the problems of modeling, control and guidance of auvs are presented. the first part of this dissertation addresses the problem of dynamically modeling of auvs, and derives thrusters " two - dimension nonlinear dynamic model, which has axial flow speed and propeller rotational velocity as two state variables, voltage or current of motor as inputs, and thruster force and torque as output. the second part focuses on the nonlinear adaptive sliding mode control of auvs in diving plane and steering plane

    本論文系統研究了自主式水下航行器的建模、非線性自適應滑模控制、以及深度調整和水平面導引方法等問題，具體成果和創新點如下1 、根據流體力學理論，建立了螺旋槳推進器的動態模型，它以螺旋槳來流速度v _ p和螺旋槳轉速n為狀態變量，以電機施加轉矩為輸入，螺旋槳推力t和轉矩q為輸出。
  2. As it vaporizes, tiny gas jets spin and tumble the ice shards across the surface of the water

    乾冰氣化時產生的小噴流帶動乾冰碎片在水面不斷旋轉翻滾，互相碰撞，產生一團團有多個分支的白霧旋渦。
  3. Washed air purifier working principle : siphon and using centrifugal principle will be mixed in water pure plant essential oils inhaled through its siphon principle the motor base coaxial centrifugal turbines in the bottom of straw through exchanges cover a very high - speed rotary motor, reuse centrifugal principle, will be mixed in water pure plant essential oil spray bottle in the form within a water film bile, the dust in the air and inhaled bacteria in water purification at the same time after the indoor air insufflation, quickly and efficiently by removing indoor toxin biological, dust, cigarette smoke, the smell, virus

    水洗空氣清新機工作原理：是利用虹吸以及離心原理；將混合於水的純植物精油通過虹吸原理吸入其電機底座的同軸離心渦輪下部的吸管中，通過交流罩極電機高速旋轉，再利用離心原理，將混合於水的純植物精油噴在瓶膽內形成一層水膜，將空氣中的灰塵以及細菌吸入水中，同時將經過凈化的空氣吹入室內，快速有效地去除室內的有毒素生物、灰塵、煙味、臭味、病毒等。
  4. Through measuring residual swhirling flow field in the flue duct of a real boiler, and analysing layout features of front and back platen supe - heaters in large - scale tangential firing boilers, the flue gas energy distribution regularity in horizontal flue duct of tangential firing boilers has been studied

    摘要通過對實際鍋爐煙道煙氣殘余旋轉流場的測量及大型切圓燃燒鍋爐前、后屏過熱器的布置特點分析，研究了切圓燃燒鍋爐水平煙道煙氣能量的分佈規律。
  5. This algorithm is based on the 16 - fft about square root decomposition, and using the phase revolution unit replaces multiplication, and uses the serial butterfly operation unit. at last, gives the correspond realization measure in fpga

    本文根據一種基於平方根分解的16點fft演算法，採用相位旋轉因子取代乘法器，並利用串列流水蝴蝶運算單元給出了一種新的實現演算法，並介紹了其在fpga中相應的實現方法。
  6. The roto - jet pump is a new kind of very low specific speed pump which is developed in recent years. it is always used in carbin black, food production, chemical industry and deep well mining system to supply the steady outflow with low flux and high pressure

    旋轉噴射泵是近些年才發展起來的一種極低比轉數泵，主要用在碳黑、食品、化工以及深井采礦系統中用以提供小流量高水頭的穩定出流。
  7. This thesis will put forward a new design project that aimed at discussing the packing sets of natural - draft counter - flow dry cooling tower, which is the research and application of the spray nozzle. the content mainly includes the experimental study of the application of the jnx - 01 spray nozzle in cooling tower, as well as the heating calculation

    本文將針對自然通風逆流濕冷式冷卻塔中影響效率較大的淋水裝置提出設計改進方案，即旋轉式噴濺裝置的研究與應用，內容主要包括jnx - 01型節能旋轉式噴濺裝置及旋轉濺水碟式噴頭在冷卻塔上應用情況的試驗研究及熱力計算。
  8. As it vaporizes, tiny gas jets spin and tumble the ice shards across the surface of the water. during their brief lifetimes, the dry ice shards collide and spin a multi - armed vortex of white mist

    乾冰氣化時產生的小噴流帶動乾冰碎片在水面不斷旋轉翻滾，互相碰撞，產生一團團有多個分支的白霧旋渦。
  9. Pumps - rotodynamic pumps - circulation pumps having a rated power input not exceeding 200 w for heating installations and domestic hot water installations - noise test code vibro - acoustics for measuring structure and fluid - borne noise

    泵.旋轉動力泵.家用熱水置裝和供熱裝置用的額定功率輸入不超過200w的循環泵.測量結構和流體導聲的噪音試驗編碼聲振搗
  10. Standard guide for use of direct rotary drilling with water - based drilling fluid for geoenvironmental exploration and the installation of subsurface water - quality monitoring devices

    地質環境勘探和地下水質量檢測裝置安裝用帶水基鉆流的直接旋轉鉆機的使用標準導則
  11. With reof analyze technique, the mainly anomalous spatial features of soil humidity in the 0 - 50cm layer of huai river basin and their relations to different periods of precipitation and air temperature are specially analyzed by using the observed data including dekad averaged soil moisture, precipitation and air temperature data over the east of china from 1990 to 2000. the results indicate that in the springtime the 30cm layer soil can be treated as a boundary

    本文首先利用中國東部1990 - 2000年旬平均土壤濕度、降水和氣溫觀測資料，通過對0 - 50cm層次土壤濕度進行旋轉主分量分析（ reof ） ，重點分析了淮河流域土壤濕度的時空分佈特徵，並初步研究了與前期、同期和後期不同時段降水與氣溫的關系。
  12. Stepping drive of synchronous motors, upgrading the design idea of stepping motors from combined electromagnet theory to rotary magnetic field theory, will make the capability and efficiency of the increment control system improved to a new level, which is the research purpose of ac step motion drive this paper begins with the direct torque control method for pmsm to expatiate ac step motion control theory distinctly

    用同步電動機實現步進傳動；將步進電動機的設計思想從組合電磁鐵理論提高為旋轉磁場，使增量運動系統的容量和效率發展到一個新的水平，這就是交流步進傳動的研究目的。為了比較清楚地闡述交流步進理論，本文首先從永磁同步電動機的直接轉矩控制演算法入手來分析。
  13. 2high efficiency but energy - saving large flow rate and high total height thanks to the patent design impeller

    2專利設計，水葉單向旋轉，大流量，高揚程，節能高效。
  14. A deep, round hole worn in rock by loose stones whirling in strong rapids or waterfalls

    鍋穴，壺穴巖石上深深的圓洞，由於急流或瀑布的水渦帶動疏鬆的石塊旋轉而成
  15. Characteristics of kinetic energy and momentum of horizontal rotary cavity flow in internal dissipating tunnel

    水平旋轉內消能泄水道空腔環流的能動量特性
  16. The generating and controlling system of the upstream runoff, downstream tidal current and rotational flow in the physical model test for the yangtze river estuary deep channel training project is introduced

    摘要介紹了長江口深水航道整治工程物理模型試驗中配置的上、下游潮汐及旋轉流發生和控制系統。
  17. Standard test method for velocity measurements of water in open channels with rotating element current meters

    用旋轉體流速計測量明渠中水流速的標準試驗方法
  18. This paper provided basis for application of rotary abrasive jet in drilling radial horizontal wells

    該試驗研究為磨料旋轉射流應用於徑向水平鉆井提供了基礎。
  19. Abstract : being aimed at the poor rock - breaking efficiency of rotary water jet in hard formations and deep wells with radial horizontal well technology, by use of powerful advantages of abrasive jet rock - breaking, experimental study on rotary abrasive jet was made

    文摘:針對徑向水平井鉆井技術中旋轉水射流在硬地層和深井中破巖能力低的不足，利用磨料射流破巖能力強的優勢，對旋轉磨料射流進行了試驗研究。
  20. So by this method, we can test the water content of the raw cement slurry through testing the velocity of the detector, it is certainly that it can test other slurry, such as paper slurry, mud slurry, mine slurry ctc. the fluid mechanics charactoristic of the slurry is complex, therefore it is difficult to establish the two - dimension or three - dimension mathematical modle to decide the relationship between the water content and the revolving speed of the detector. so the research for rotational detector in this topic is through the method of proper regressive analysis of experimental datas to establish the relation among the water content, the palse and the voltage

    料漿的流體力學性能是復雜的，要想通過建立二維或三維的仿錐形旋轉式檢測頭在料漿中旋轉的流體力學數學模型，來確定料漿水分含量與檢測頭的轉速關系是十分困難的，甚至是不可能的，因此本課題對于旋轉式檢測頭的研究，是通過對實驗數據進行多元線性回歸的處理方法，建立起水分含量與紅外線對管輸出的脈沖數p及電源電壓之間的關系。
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