流線場 的英文怎麼說
中文拼音 [liúxiànchǎng]
流線場
英文
streamline field- 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...
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 場 : 場Ⅰ名詞1 (平坦的空地 多用來翻曬糧食 碾軋穀物) a level open space; threshing ground 2 [方言] (...
- 流線 : filament line; filum aquae; flow line; streamline; streamlining; line of flow; stream filament流...
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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。Many planets ( for example, ganymede, mercury, the earth, jupiter and saturn ) and stars ( for example, the sun ) possess intrinsic magnetic fields. the explanation for their existence and variation remains a great challenge to planetary scientists and astrophysicists. this article attempts to review some recent developments and difficulties in the study of magnetohydrodynamics for the electrically conducting fluid interiors of planets and stars. it is the fluid motions, usually driven by thermal convection, that generate and sustain magnetic fields through magnetohydrodynamic processes in planets and stars. in planets, the magnetohydrodynamic processes are strongly affected by the combined and inseparable effects of rotation, magnetic fields and spherical geometry. the key dynamics involves the interaction between the coriolis and lorentz forces. in the sun, it is the solar tachocline, a thin shear flow layer located at the base of the convection envelope, that plays an essential role in the solar magnetohydrodynamic processes which produce the 11 - year sunspot cycle. some results of a new nonlinear three - dimensional solar dynamo model are also presented
許多行星(如木衛三,水星,地球,木星和土星)和恆星(如太陽)具有內部磁場.對這些磁場的存在和變化的解釋對行星科學家和天體物理學家是一個巨大的挑戰.本文試圖總結行星和恆星的導電流體內部磁流體力學研究的新近發展和困難.一般由熱對流驅動的流動通過磁流體力學過程產生並維持在行星和恆星中的磁場.在行星中磁流體力學過程強烈地受到轉動,磁場和球幾何位型的綜合影響.其動力學的關鍵方面涉及科里奧利力和洛倫茲力間的相互作用.在太陽中其流線,即處于對流層的薄的剪切流層在太陽的磁流體力學過程中扮演了一個基本的角色,並由之產生了11年的太陽黑子周期.本文也給出了一個新的非線性三維太陽發電機模型Superconductivity - ac loss measurements - total ac loss measurement of cu nb - ti composite superconducting wires exposed to a transverse alternating magnetic field by a pickup coil method
超導性.交流電損耗測量.用拾波線圈法測量暴露于橫向交流磁場的cu nb - ti合成超導導線的交流電總損耗量Superconductivity - part 8 : ac loss measurements ; total ac loss measurement of cu nb - ti composite superconducting wires exposed to a transverse alternating magnetic field by a pickup coil method
超導性.第8部分:交流電損耗測量.用拾波線圈法測量爆露于橫向交流磁場中合成超導導線的交流電總損耗量Superconductivity - part 8 : ac loss measurements - total ac loss measurement of cu nb to composite superconducting wires exposed to a transverse alternating magnetic field by a pickup coil method
超導性.第8部分:交流電損耗測量.用拾波線圈法測量暴露于橫向交流磁場的銅鈮復合超導導線的交流電總損耗量In addition to its 10 - acre gardens and exceptional location, the hotel is equipped with extensive recreational facilities including free - form swimming pools, a gymnasium, a health and beauty spa, golf driving nets, archery range, tennis courts, jogging path and much more
酒店選址優越獨特,座落於十畝優美花園,擁有豐富康樂設施,包括流線型游泳池、健身室、健康及美容中心、高爾夫球發球練習場、射箭場、網球場、緩跑徑等。Set in ten acres of beautifully - landscaped gardens, hong kong gold coast hotel offers an extensive array of recreational facilities including free - form swimming pools, tennis courts, a multi - purpose court, golf driving nets and archery range, a gymnasium, an outdoor team building centre for corporate organizations, toby s gamesworld for kids and a european - style health and beauty spa
座落於十畝優美花園,香港黃金海岸酒店擁有豐富康樂設施,包括流線型游泳池、網球場、多用途球場、高爾夫球發球練習場及射箭場、健身室、戶外團隊精神訓練中心、杜比游戲世界供小朋友嬉戲及富歐陸色彩的健康及美容中心。In addition to its 10 - acre gardens and exceptional location, the hotel is equipped with extensive recreational facilities and water sporting activities include kayaking, banana - boating, dolphin cruise, a jogging path, archery, a golf driving range, free - form swimming pools, tennis courts, a gymnasium, a games centre and a fabulous european - style health and beauty spa
酒店選址優越獨特,座落於十畝優美花園,擁有豐富康樂設施,包括流線型游泳池、健身室、健康及美容中心、高爾夫球發球練習場、射箭場、網球場、緩跑徑等。Guide for planning dc links terminating at ac locations having low short - circuit capacities
端接在低短路能力交流場所的直流線路的設計指南3. a three - dimensional - acoustic doppler velocimeter has been used to measure the velocity and turbulence in a compound channel with vegetated and unvegetated flood - plains. particulary in the interface region between main channel and floodplain. the distribution in three coordinate directions of velocity and turbulence intensities and the renolds stresses are presented. the momentum transfer at the main channel flood - plain interface can be described as an apparent shear stress which can be quantified as a function of the local turbulence at the interface
採用adv對灘地種樹前後灘槽交界區域的流速場進行了量測。分析了灘槽交界區域的垂線流速、紊動強度和雷諾應力的變化。將灘槽交界的動量傳遞描述為一表觀應力,這個表觀應力可以看作是交界面處的脈動函數並將其定量化。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:基於均勻流和紊流風場中的橋塔模型風洞試驗所測得的橋塔空氣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順風向靜風及抖振內力。Based on practical application conditions, half - cell potential method, concrete resistance measurement, linear polarization resistance method and etc. 3
根據現場的實際應用情況,最常用的方法有半電池電位法、混凝土電阻率檢測法、直流線性極化電阻法、交流阻抗法以及地質雷達法等。Diagrams of velocity vectors and streamlines display waveform and amplitude properties, showing the effect of fibres on enhancing the flow stability. the computational results are tested
Piv測量得到流場速度矢量圖及流線圖,擾動波幅與波形特徵說明, re數一定時流動穩定性隨h值增大而提高。And then, the cavity flow is simulated, and the streamline and pressure contour at different reynolds number are plotted, the stream function and location of vortex centers are agree well with the previous results, which indicate the incompressible lattice bgk model is reliable
進而對方腔流的速度場和壓力場進行了計算,繪制了不同雷諾數下的流線圖及壓力等高線圖,得到的迴流渦的位置和流函數的值和現有的數據十分吻合,表明本文不可壓格子模型是可靠的。With piv technology, the flow field was measured to judge the performance of pump sump. by analyzing the pictures of velocity, streamline, turbulent kinetic energy and vorticity, we found that the turbulence was bigger while the ratio of the runoff increased. and the vortices always appeared in the field where the runoff was small
通過piv試驗,測量了封閉式水泵吸水室內部的流場,以研究該水泵吸水室的性能; ( 2 )通過分析流速圖、流線圖、湍動能圖和渦量圖,發現了流量比越大,湍動越大,漩渦總是出現在流量較小的一側。The d51 type 1 is the first designed locomotive of this class. from 1936 to 1938, the manufacturing industries, kisha - seizo, kawasaki, and hitachi, had produced the 95 cars of this class. this form adopted the design of a streamline partially
D51型中,最初登場的機型,從1936年到1938年,汽車會社川崎日立等公司共生產了95輛,這第一次型的機車號碼是d511 - 85 91 - 100 ,採用當時流行的流線型,煙筒的後面配置供水加熱器砂箱汽包。Magnetic field distribution caused by length - limited loose helical current
考慮螺距時有限長超導螺線管電流磁場的分佈Conductivity reconstruction, one kind of electromagnetic measurement, reconstructs conductive property distribution of the biological tissue exposed to electromagnetic fields by measuring the fields around it. this thesis presents the application of improved genetic algorithm to reconstruct the conductivity distribution of stratified biological tissue by measuring the change of impedance in the coil
本文主要研究在載流線圈作用下,通過測量生物組織產生的二次場對線圈阻抗的改變,應用改進的遺傳演算法重構分層生物組織各層電導率和厚度的方法。In the past, two following respects that the study on magnetoelastic stability theory was main and centralized : first, setting - up and revision of the soft ferromagnetism plates buckling theory model ; second, represented by the tokamak thermonuclear current - carrying rector coil, the stability of current - carrying coils and poles under magnetic field has been studied
以前,對磁彈性穩定性理論的研究主要集中以下兩方面:一、軟鐵磁性薄板屈曲理論模型的建立及修正;二、以tokamak核聚變反應堆環向磁場載流線圈為代表的對載流線圈及載流桿件的穩定性研究。For both newtonian flow and non - newtonian flow, the vortices are generated when the waviness of the bottom profile is beyond a critical number. by increasing the waviness, a second vortex can be generated. with the increasing of reynolds number, the symmetry of the streamlines at re = 0 is destroyed and the vortices are sloped and become larger
當波形板的波動度超出臨界值,波形板壁面上的流動出現流線分離,流動中有渦生成;增大波動度,流動中出現第二個渦; re = 0 ,流線在流場中對稱分佈;雷諾數增大,流線駐點在水平方向出現位置偏移,渦的范圍增大;對于非牛頓流體,隨著剪切變稀指數的減小,渦的作用范圍減小。分享友人