浮力常數 的英文怎麼說
中文拼音 [fúlìchángshǔ]
浮力常數
英文
buoyance constant-
A two - cylinder model for saal incorporating bem simulations is proposed, which introduces a factor concerning the geometric parameters of the levitator into the expressions for the time - averaged potential u, acoustic radiation force f, and restoring force constant ki, respectively, and builds up the relationship between the levitation capabilities and the geometric parameters of a single - axis acoustic levitator
建立了單軸式聲懸浮的優化設計理論模型，採用邊界元方法求解入射聲場，在表徵聲懸浮性能的時間平均勢u 、聲輻射力f _ i和回復力常數_ i的表達式中分別引入了一個涉及懸浮器幾何參數的因子。In this thesis, based on mathematic model and real condition, analysis and compare of different control methods are carried out at first. then a propriety control law and optimized parameters are choosen and used into multi - body model in simpack. finally, kinds of dynamic character curves after measurement and calculation are given
論文首先在數學建模的基礎上，根據實際情況，詳細分析對比了直接狀態反饋控制、 pid控制和狀態觀測器控制等常用的磁浮列車懸浮控制方法，然後將合適的控制規律及優化的控制參數用於simpack中的多體模型，通過計算，給出懸浮穩定性、運行平穩性以及列車曲線通過等動力學特性曲線。Electrorheological fluids ( erf ) consists of a suspension of high dielectric particles in a liquid of low dielectric constant. with the action of the applied electric field, particles interact with each other. the viscosity of erf increases dramatically and the erf turns into solid
電流變液是由高介電常數、低電導率的電介質顆粒分散於低介電常數的絕緣液體中形成的懸浮體系，具有通過調節電場強度改變表觀粘度和屈服應力的機電耦合特性。Author considers that munk - anderson ' s modification is not suitable to simulate the buoyant flow in reservoir, and suggests the turbulent prandtl number as the constant of 0. 85 in the water temperature model of reservoir
本文認為該修正模型並不適用於水庫浮力流的模擬，建議在大型深水庫水溫模型中溫度普朗特數採用常值0 . 85 。分享友人