浮力的 的英文怎麼說
中文拼音 [fúlìde]
浮力的
英文
flotative- 浮 : Ⅰ動詞1 (漂在液體表面) float; drift 2 [方言] (在水裡游) swim Ⅱ形容詞1 (在表面上的) superfici...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 的 : 4次方是 The fourth power of 2 is direction
- 浮力 : [流] buoyancy; buoyant force; buoyance; floatage; rising force; buoyancy force浮力參數 [流] buoya...
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Based on the analysis of thermal contact metamorphic aureoles, granitoid interior structure, quartz axis fabric and strain characters in the different rock unites of yuanshishan granitoid and its wall rocks, the emplacement mechanism of yanshishan granitoid was studied. the magmatic explictite dynamic was advanced in light of regional stress and magma dynamic research. those conclusion was synthesized to ascertain the emplacement mechanism - granitic magma ascended in dikes with the minimum critical width of the magma ascending channels about 2. 213. 88m and located in the core of yindianshan dome with the passive style of dyke explictite ; the later unite is a kind of multiple emplacement mechanism with the character of active emplacement of ballooning
同時運用巖漿動力學原理從另一個角度探討其侵位驅動力。綜上指出:經分凝后的活動性巖漿在深部側向擠壓和浮力的聯合驅動下,沿深大斷裂以最小臨界寬度為2 . 213 . 88m的裂隙脈動上侵,整體以巖墻擴展的方式被動定位於銀殿山穹窿的核部,但後期屋面前單元具有主動侵位的特點應為一種復合定位機制。The calculated drafts covers the whole possible ship draft in the large amplitude motion ; secondly, the research creates and solves the ship large amplitude motion equations. on the one hand, the actual calculation takes into account the coupling between the different motion modes, on the other hand, in the process of calculation of the ship hydrodynamic coefficient, it considers the influence of the nonlinear factor. the hydrodynamic coefficient used in the calculation of froude - krylov force, diffraction force and radiation force changes instantaneously following the draft, and the hydrostatic buoyancy is computed very accurately for the instantaneous immerse hull
本文的研究分為二個部分:首先利用frank源匯法計算水動力系數,計算包括不同吃水時的附加質量和阻尼系數,吃水范圍涵蓋了船舶大幅度運動時所有可能的吃水;然後建立和求解船舶大幅度運動方程,在實際計算時一方面考慮了運動模態之間的耦合,另一方面在計算水動力時,考慮了非線性因素的影響。 froude - krylov力、輻射力、繞射力中的水動力系數隨吃水瞬時變化,靜浮力的計算精確到船體瞬時濕表面積,最後用四階龍格?庫塔方法在時域內求解船舶運動方程,並進行了載荷計算。The part of a parachute that opens up to catch the air
傘衣降落傘打開以獲得空氣浮力的部分A novel bearingless motor with decoupling relationship between magnetic levitation force and electromagnetic torque is proposed and a prototype machine are designed and built
分析了磁懸浮力產生的特點及電磁轉矩與磁懸浮力的解耦控制機理。With no clear solution to the problem, environmentalists and tourist businesses are worried
油膩感buoyant有浮力的brine鹽水. devotees熱愛家To meet the needs of increasing populations and agriculture in the arid region, and diversions have slowed the biblical
油膩感buoyant有浮力的brine鹽水. devotees熱愛家Calculating the action point of buoyancy with curved surface integral
用曲面積分計算浮力的作用點On the other side, we have also built the theoretical model of the electrostatic force acting on suspended objects during suspension, and deduced the universal formula for calculating the forces
建立了懸浮過程中靜電力作用的理論模型,並推導出適用於不同懸浮體的靜電懸浮力的計算公式。Britain ' s buoyant borrow - and - spend era may be coming to an end, and there are accounts still to be settled
英國有浮力的借和花費時代可能結束,而且有靜止被安頓的帳戶。The rotation of the earth causes the buoyant fluid to rise in curved trajectories, which generate new magnetic field by twisting and shearing the existing magnetic field
地球的旋轉使有浮力的流體按曲線軌道上升,這通過扭曲和剪切已經存在的磁場而產生新磁場。The neutral buoyancy test was introduced in this paper, the unsteady flow analysis was presented
對表面張力貯箱試驗,提出採用中性浮力的實驗方法,介紹了相似參數的應用。Until now i realize that, why the discoverer of buoyancy, archimedes forgot wearing clothes and took to the street to shout, to declare his discovery to the world
我現在才知道,浮力的發現者阿基里米德為什麼會忘了穿衣服就上街大叫大喊,向全世界宣告他的發現!This paper discussed the calculation problem of the buoyancy of water and the engineering anti - buoyancy, elaborated the relationship between whole anti - uplift and partial anti - uplift
文章討論了水浮力以及工程抗浮力的計算問題,闡述了地下工程整體抗浮與局部抗浮的關系。Finally, the principle of phase - locked - loop for speed control is discussed. the control methods of torque and magnetic levitation force are studied experimentally on a prototype bearingless motor. based on the analysis of shortcomings of the analog control system, a digital control system is proposed
分析了採用鎖相環對電機轉速進行閉環控制的原理;設計了磁懸浮力的模擬控制器並對磁懸浮血泵電機進行了實驗研究;針對模擬控制系統存在的缺點,本文設計了一種數字控制系統。The function theory of the motor is introduced in this text. the motor ’ s control independence of rotation and levitation is analysed. the mathematical model for the radial force is worked out
介紹了該電機的工作原理及懸浮與旋轉解藕控制的機理;給出了此電機徑向懸浮力的數學模型。The basic performance limit expressions about this novel mb is derived in order to design it. the novel magnetic bearing is analyzed employing the finite element method and has been integrated into a test facility with very simple control met hod, and the results of selected experiment have been provided
在以上分析的基礎上,推出磁懸浮力的線性化方程,計算了電流剛度和位移剛度,同時提出了這種磁軸承的性能指標公式,為該磁軸承的設計提供了理論依據。These are the main results : firstly, on point of the energy exchange in mechanic - electronics, relations among magnetic energy, torque and radial force of pmb are found out
主要研究工作如下:首先,從機電能量轉換的角度出發,推出了動力磁軸承磁場能量與電磁轉矩及徑向懸浮力的關系。Numerical results are obtained for velocity, temperature and concentration profiles, variations of both nusselt and sherwood numbers under different buoyancy ratio and inclination angles of = 15 - 90. at a given inclination angle, heat and mass transfer rates decrease with heat and mass buoyancies and the buoyancy ratio b decrease from high positive values, and then increase again with the buoyancy radio b further decreasing after the velocity and transfer rates reaching a minimum
研究結果表明:傾斜角度一定,當熱浮力與物質擴散浮力共存且二浮力之比b從較高正值變化到較高負值時,流體速度和熱質傳遞速度從高逐漸變低並出現最小值,此後隨著向下浮力的增大,流體向下流動且隨| b |的增大而加速,熱質傳遞速率隨| b |的增大而重新增大。And flux distributions and radial force of an induction type bearingless motor is analyzed employing the finite element method. relationships between the radial force and radial force winding currents are influenced by magnetic saturation. it was shown that the generated radial force reaches its maximum value due to magnetic saturation
首次運用有限元方法對該電機進行了深入的研究,充分展現了無軸承異步電機特有的氣隙磁場分佈、驗證了穩定磁懸浮力產生的條件、指出了磁飽和對磁懸浮力的影響、利用有限元方法修正了磁懸浮力數學模型。This article solves some theoretical problems of electrostatic suspension based on optoelectronic feedback control. the mechanism of electrostatic induction of conductive suspended objects ( cso ) and electrostatic polarization of insulting suspended objects ( iso ) was theoretical discussed. the equations of charge density on the surface of suspended object caused by electrostatic field were developed. we further provided the equations describing the quantitative relationship of electrostatic forces verses the electrode voltages, the electrode area, the suspending gap, and the electric characteristic of suspended object. these equations show that the inducted surface charge density of cso is greater than the polarized surface charge density of iso, as a result, the electrostatic force acting on cso is larger than that acting on iso, as already proved by the experimental results of measured electrostatic forces. this work provided the theoretical equations and the mathematical models for effectively realizing the optoelectronic feedback control of electrostatic suspension
本文主要討論光電反饋式靜電懸浮的理論問題.研究在靜電場作用下導電懸浮體的靜電感應機制和絕緣懸浮體的靜電極化機理,推導出懸浮體表面的感應電荷或極化電荷的計算公式,以及作用於懸浮體上的靜電懸浮力的計算公式,在理論上揭示了靜電力與電極電壓、電極面積、懸浮間距及懸浮體電學特性等因素之間的關系.結果表明,導電懸浮體表面的感應電荷量比絕緣懸浮體表面的極化電荷量多,因此前者所受的靜電懸浮力比後者大,但兩者均可實現靜電懸浮,這些結論與實驗結果完全符合.本文工作為實現靜電懸浮的光電反饋控制提供了理論依據分享友人