buoyancy calculation 中文意思是什麼

buoyancy calculation 解釋
浮力計算
  • buoyancy : n. 1. 浮力；浮性。2. 活潑，輕快；開朗。3. 【商業】漲風，上漲行情；（國家歲入的）增長趨勢。
  • calculation : n. 1. 計算，計演算法。2. 推定，預測。3. 深思熟慮，精打細算；慎重的計劃；算計。
  1. Around 40 ; the neutral curve obtained by the growth rates of the temperature fluctuation has a ringlike curve separated from the main branch of nachtsheim s calculation by velocity fluctuation at the lower grashof number side ; and its phase velocity is close to the maximum mean velocity where the critical layer of the eigenmode locates. the thermal fluctuation decays rapidly as the nondimensional frequency above 0. 4, so that it means that the coupling effect between instability wave generated by buoyancy fluctuation and velocity waves by invicid instability seems weak enough for their critical layers in the range of the nondimensional frequency

    詳細研究了自然對流邊界層中最早失穩的浮力振型的功率譜波長波速與臨界層位置等基本特徵和它為主導其他振型尚未失穩時按線性理論得到的3種相互獨立振型的振幅分佈。系統地測量了它所對應的溫度和速度漲落的振幅增長規律和中性曲線，實驗結果表明，溫度漲落的中性曲線在低格拉斯霍夫grashof數
  2. 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。
  3. Therefore, the safety of bulk carrier is widely concerned ; the theory of insubmersibility is followed by the introductions of domestic and international regulations, solutions, rules and requirements on the floodability ; introduced are the conditions of hold in flooded condition, and provided are the calculation methodology of the stability and buoyancy when flooding. the concept of cargo permeability is concretely defined, and the calculation methods of the amount of flooding waters are executed ; the application of the influence numbers simplify the calculation of the still water bending moment and shearing force in flooded conditions. a new method to calculate the maximum still water bending moment and shearing force is developed by means of the influence numbers ; the simulation system provides a means of evaluation and forecast on ship ' s danger extent after ship is damaged

    在抗沉性公式的推導過程中採用一些假設，並分析了這些假設對結果的影響；然後介紹了船舶強度的概念和計算方法，鑒于現有的剪力彎矩計算方法工作量大、效率不高的缺點，引用影響數計算船舶進水后的剪力和彎矩；最後根據船舶抗沉性理論對散貨船破艙進水進行模擬，在模擬中根據船舶破艙的實際危險情況，採用直觀的圖形輸入的辦法，判斷船舶的危險程度並計算船舶到達危險狀態的時間以助於船長做出正確快速的決策。
  4. Calculation results fit experimental data well. at last, in order to further discover the matching between the two systems of small - scale cold storage, phoenics - cfd general software is applied in the study on 3 - d distributions of the airflow and temperature fields in the chamber of the small - scale cold storage. buoyancy model in the simulation are considered and the results are in agreement with the experimental data

    最後，為了進一步了解小型冷庫兩個組成系統間的匹配特性，用phoenics數值計算專用軟體對冷庫內三維流場和溫度場分佈特性作了計算，並在計算中考慮浮升力的影響，計算結果與特徵點的實驗結果基本一致。
  5. With the analytic method, the expressions for the precise calculation of buoyancy and its center of launching jackets are deduced and given, with which the calculation and simulation for launching jackets become more precise

    分析了導管架下水運動過程中桿元的各種狀態，用解析的方法推導出導管架下水運動過程中的浮力和浮心的精確計算公式，提高了導管架下水參數計算及其模擬的精度。
  6. 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。
  7. The ship static ability is one of the most important abilities. it includes buoyancy, steady, anti - sinking, so, the static calculation plays pivotal role. how to improve the precision of integral is the target of scholars in world

    因此靜力學計算的精度起著至關重要的作用。而靜力學計算中90是積分的計算，所以如何提高積分的精度也是各國學者努力追求的目標。
  8. The quantitative calculation of a buoyancy cause experiment

    一個浮力成因實驗的定量計算
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