預計船速 的英文怎麼說
中文拼音 [yùjìchuánsù]
預計船速
英文
estimated performance speed- 預 : Ⅰ副詞(預先; 事先) in advance; beforehand Ⅱ動詞(參與) take part in
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 船 : 名詞1. (水上的運輸工具, 船舶的通稱) boat; ship; vessels 2. (姓氏) a surname
- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 預計 : estimate; calculate in advance; expect
- 船速 : ship's speed; speed of ships船速儀 taffrail log
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Five high - speed pursuit craft specially designed and built to replace the anti - smuggling task force tai feis ( speed boats ) are expected to begin service in 1998
用以取代反走私特遣隊目前所用的"大飛" (快艇)而特別設計和建造的5艘高速船,預計在一九九八年投入服務。The effect of reynolds number on rudder hydrodynamic performance is also analyzed. up to the stall angle the computed lift and drag agree well with measurements and other author ' s calculations, whereas stall angle, lift and drag beyond the stall angle are slightly under - predicted. the solver is used to investigate laminar and turbulent separated flows around a 6 : 1 prolate spheroid at high incidence angles and their effects on hydrodynamic forces
應用所開發的求解器,以naca0015翼型舵為算例計算了船舵在不同雷諾武漢理三;大學博士學位論文數下大舵角范圍內的三維粘性流場及水動力,成功地預報了舵的失速角和最大升力,並初步探討了雷諾數對舵水動力的影響;計算結果與現有試驗和計算數據比較,吻合程度相當好,初步檢驗和驗證了該求解器精確模擬粘性流動和計算水動力的能力。The project of the experimental and theoretic research on friction reduction by microbubbles for high - speed ships, supported by the national natural science foundation of china ( no. 19772050 ), aims to study the key technology of air - jetting devices and its relevant problems, theoretically predict the law of bubble diffusing in the boundary layer and calculate the friction of the hull
國家自然科學基金項目「高速氣泡船減阻試驗及理論研究」的目的在於研究高速氣泡船噴氣裝置的關鍵技術及其相關問題,並從理論上預測噴氣氣泡在船底邊界層的擴散規律和計算船體摩擦阻力,為將這一技術應用到實船上提供基礎。What the article discusses is to design a computer plotting system to solve the problems how to promptly and precisely study out the above mentioned location and plotting problems. considering the affects of all kinds of factors and leaving enough room, to scan the safety course in all directions, make forecast about the relative position of the ship and typhoon, the tendency of their movements, render a vital group of data and a direct diagram which the captain cares about, help the users to make the scientific and resonable decisions, to take correct and effective measures to keep away from and withstand typhoon early and resolutely, for all the practical problems in decision - making to keep away from typhoon
本文所討論的就是為迅速和較為精確地解決以上點繪和相對運動標繪的問題,在考慮了各種因素的影響並留有充分餘地的情況下,在全方位范圍內搜索安全航向,對本船與臺風的相對位置以及兩者之間的動態發展態勢作出預報,並給出船長最關心的、對其作出避臺決策至關重要的一組數據和直觀圖形,幫助使用者及早制訂科學合理的避抗預案,及時果斷地採取正確有效的避抗措施,解決避臺決策的實際問題而設計的一個計算機標繪系統。One of the key techniques in swath design is the prediction and optimum design of the hydrodynamic performances ( resistance and propulsion, seakeeping, maneuverability ), whereas the resistance prediction is the most important task of hydrodynamic performance prediction
小水線面雙體船( smallwaterplaneareatwinhull , swath )船型設計的關鍵技術之一是其水動力性能(快速性、耐波性和操縱性)的預報和優化設計,而其靜水阻力預報是其快速性預報的重要內容。It involves motion forecast technique of high seakeeping and high - speed compounded ship form, optimizing design method of seakeeping performance, and three dimensional view simulation systems
它將涉及到高耐波性高速復合船型耐波性運動預報技術、耐波性優化設計方法及三維視景模擬系統等內容。We can n ' t get result on how to change course and speed to make collision avoidance, this can help little on collision avoidance decision. the article aims at the default on radar simulator and implements the standard result on radar simulator by making use of mcu. the main production is below : first, we calculate how to chang course and speed on the destine point by mcu. we get the new course and new speed on the destine point, we get the point to resume original course and speed, we get the distance and azimuth to resume original course and speed on given course and speed, the six essential : dcpa, tcpa, distance, azimuth, real speed and real course
本論文針對當前雷達模擬器標繪訓練中的不足,實現了利用單片機進行雷達模擬器標繪標準值的計算,主要成果有以下方面:首先,利用單片機計算得到了在預定點改變航向和改變航速的計算,求得預定點改向的新航向c _ n和預定點變速的新速度v _ n ,恢復原航向和原航速的時機點的計算;在給定避碰的新航向、航速的條件下,計算出恢復原航向航速的時機點h的距離r _ h和方位_ h ;目標船的六要素,即dcpa 、 tcpa 、距離r ( t ) 、方位( t ) 、真航速v _ t和真航向c _ t 。In this respect, it tends to be an alternative of towing tank tests. the solution of 3d viscous flows around a ship in steady straightforward courses is capable of capturing more nearfield flow features than model tests and predicting viscous resistance with high accuracy, whilst for viscous flows around a ship in maneuvering motions such predictions are only in general good
三維船舶粘性流計算方法,具有準確捕捉船體周圍粘性流動細節包括船模試驗難以測量的流動形態的能力,已成功地應用於船舶快速性方面的阻力預報;在船舶操縱性方面,這類方法雖處于初始發展階段,但也已獲得重大進展,具有精確預報船舶操縱水動力的潛力。分享友人