caudal fin 中文意思是什麼
caudal fin
解釋
尾鰭-
The robotic fish model selected in this paper which consider an idealized bcf propulsive fish model that consists of only three links : the rigid body in the foreside ; the high aspect ratio caudal fin ; the caudal peduncle which connects the caudal fin and the body
機器魚的模型建立是把理想的bcf推進式魚類分為三個部分，分別是：前部剛性的身體，大展弦比的尾鰭和一個連接以上兩部分的尾頸。 -
The study object in this paper is a lunate caudal fin imitating tuna - tail with the mode combined swaying and yawing in uniform flow which is incompressible and inviscid
本文的研究對象是類似於金槍魚尾鰭的一個推進裝置，它是一個月牙形的尾鰭。 -
This dissertation sets up the kinematics model on the basis of the biomimetic study of lunate - tail propulsion steady swimming fish and of the analysis of fish body motion and caudal fin motion
本文在綜合國內外魚類游動文獻中的有關研究成果的基礎上，分析了魚類游動過程中魚體和尾鰭運動，建立了月牙尾推進模式穩態游動的運動學模型。 -
In order to imitate tune tail fin better, a flexible fin only in chordwise is considered. results shows that flexibility can increase the propulsive efficiency and cause small decreases in the average thrust compared with a rigid caudal fin with similar motion. next, a comparison between the rectangle fin and the lunate fin is given
為了使數學模型更貼近生物模型，本文又將尾鰭處理為只考慮弦向變形而不考慮展向變形的柔性體，兩者對比的結果表明，柔性翼使得平均推力減小，但是，對具有相同推力的柔性翼比剛性翼具有更高的效率。 -
The test proves that the caudal fin oscillation frequency, the maximum amplitude of vibration of caudal fin, the caudal fin strikes the water angle influence the fish ’ s speed ; the curve experiment has obtained curve radius of inertia advance curve and static curve ; the ups and downs experiment proves that the pectoral fin on different angle influences the fish to move ups and downs
加減速試驗論證了尾鰭擺動頻率、尾鰭后緣最大擺幅以及尾鰭的最大擊水角度對魚體速度的影響;轉彎試驗測得了機器魚慣性前進轉彎和靜止轉彎時的轉彎半徑;在機器魚的升潛試驗中論證了胸鰭不同轉角對升潛運動的影響。 -
The sixth section gives the experimental results in the quasi - steady flow around the caudal fin and mimic the forward swimming using the caudal fin as the propulsor. and then review the speed and track of the robotic fish swimming when locomotion parameters are set in the experiment condition
第六部分通過機器魚的自主游動實驗，初步模擬了機器魚利用尾鰭擺動推進前進，考察了實驗條件下設定魚的尾鰭擺動相關參數的情況下魚的游動速度和尾鰭的擺動軌跡情況。 -
Internal bones are highly ossified ; base of dorsal fin broad, about 1 / 4 of total length of the fish ; more than 10 pieces of ventral caudal fulcra. teleostei family lycopteridae cockerell 1925 genus jinanichthys ma et al.,
其骨魚類kleostel狼鰭魚科lycopteridaecockerell 925吉南魚屬jinanichthysmaetal 1988屬型種ltcopteralongic印halusliuetal -
2. 40 - red and white swallow - tail belonging to the grass type, the red and white swallow - tail s single caudal fin is long, broad and deeply forked, resembling a swallow s tail
40 -紅白燕尾紅白燕尾屬草種。尾鰭寬長，分叉如燕尾，泳姿曼妙。 -
This paper presents an overview of the swimming mechanisms and the caudal fin locomotion employed by fish. a practical method is brought forward that use the track of the caudal fin oscillating to study the locomotion of the robotic fish. and this paper mimic the bcf ( body and / or caudal fin ) propulsive fish with a three - link robotic fish model ( oucefish - i ) for oscillating foil propulsion, and then describes the design ( hardware and software ) of it in detail
本文對魚類的游動機理和尾鰭運動學原理進行分析，提出利用尾鰭擺動軌跡研究機器魚的運動學原理方法，設計並實現了一種三關節仿bcf （ bodyand orcaudalfin身體加尾鰭）高效推進方式機器魚模型（ oucefish - ） ，通過對機器魚的姿態、運行軌跡進行控制和分析，並對機器魚的實驗結果做了分析，達到研究分析機器魚的運動學原理的目的。 -
Based on the strategy, this paper gives the equation of caudal oscillating track when the robotic fish swimming forward with a certain speed by using two - link caudal fin
根據以上模型，本文給出了機器魚在某個時間段勻速下機器魚兩關節尾鰭擺動軌跡方程。 -
Further, driving fin motion model is setup and simulated using matlab, the relation of phase difference between feathering and heaving motion to caudal fin is deeply analyzed. simulation shows that the proposed model is correct and reliable
利用尾鰭和擺翼運動特徵的相似性，建立了擺翼運動模型，同時利用matlab軟體進行了擺翼的運動模擬，並重點探討了擺動?平動相位差對擺翼運動的影響。 -
And explain the correlative parameters and the mechanics of the caudal fin locomotion. the equation of the robotic fish caudal fin locomotion is deduced in the third section
在第三部分，本文分析了魚類尾鰭推力方程，說明了提高尾鰭擺動的振幅和頻率可以提高尾鰭的前向推力。 -
First, we calculate the hydrodynamic performance of the caudal fin which is considered as a rigid body using surface panel method. then a detailed analysis is given
首先把尾鰭視為剛性體，採用面元法計算其水動力性能，詳細分析其水動力系數隨尾鰭運動參數的變化規律。
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