推水器 的英文怎麼說
中文拼音 [tuīshuǐqì]
推水器
英文
tennis stringer-
In this dissertation, through computer simulation, the problems of modeling, control and guidance of auvs are presented. the first part of this dissertation addresses the problem of dynamically modeling of auvs, and derives thrusters " two - dimension nonlinear dynamic model, which has axial flow speed and propeller rotational velocity as two state variables, voltage or current of motor as inputs, and thruster force and torque as output. the second part focuses on the nonlinear adaptive sliding mode control of auvs in diving plane and steering plane
本論文系統研究了自主式水下航行器的建模、非線性自適應滑模控制、以及深度調整和水平面導引方法等問題,具體成果和創新點如下1 、根據流體力學理論,建立了螺旋槳推進器的動態模型,它以螺旋槳來流速度v _ p和螺旋槳轉速n為狀態變量,以電機施加轉矩為輸入,螺旋槳推力t和轉矩q為輸出。The undulatory biomimetic propulsor is a new underwater propulsor which emulates the swimming mode of gymnarchus niloticus
摘要波動仿生推進器是以「尼羅河魔鬼」為仿生對象設計的新型水下推進裝置。The undulatory biomimetic propulsor is a new - style underwater propulsor which is basedontheswimmingmodeofgymnarchusniloticus. itachievesitsforwardorbackwardmovementby undulatory controlof the flexible fin
波動仿生推進器是一種模仿「尼羅河魔鬼」的游動方式設計的新型水下推進裝置。At six p. m. the mongolia slowly moved out of the roadstead, and was soon once more on the indian ocean
晚上六點鐘,蒙古號起碇了。螺旋推進器的槳翼激打著亞丁灣的海水,不一會兒,就開進了印度洋。In the second part, firstly, the mathematical model for predicting hydrodynamic characteristics of varivec propeller under steady or unsteady condition are present, based on the general propeller lifting - surface theory, potential flow theory and green theorem. then, theoretical calculation methods for predicting hydrodynamic characteristics of varivec propeller designed above paragraphs are present, based on the finite basic solution method, the unsteady vortex lattice method and hess - smith method
在理論計算部分,本文首先基於常規螺旋槳升力面理論、勢流理論和格林定理建立了定常和非定常狀態下全方向推進器水動力性能計算的數學模型,然後利用有限基本解法、非定常渦格法和赫斯?史密斯方法對全方向推進器定常和非定常狀態下的數學模型進行了數值離散,接下來針對前面所設計的全方位推進器進行了數值預報。The ship ' s propeller churned the waves to foam
那條船的推進器把水浪攪動得泡沫四起。Pure and sincere, twd is for you to rely on
常見濾水器的不實推銷手法真誠純凈值得信賴The undulatory dorsal / median fin propulsion modes as represented by amiiform and balistiform fish are of great significance for bionic propulsion research, particularly for the design and control of underwater vehicles, which are generally employed at slow speeds, offering greater maneuverability and better propulsive efficiency
以弓鰭目和鱗?科魚類為代表的背鰭/背臀鰭波動推進模式對於水下仿生推進器研製具有相當重要的參考價值。Recommendations for treatment of water for steam boilers and water heaters
蒸汽鍋爐和熱水器水處理推薦規范Design and installation of wastewater pumps and non - clogged pumps, design and manufacture of aerator, decanter and water - power propeller, design of environment protection engineering, evaluation of environmental affection, consultation of iso14000
污水泵、無堵塞泵的設計和安裝;曝氣機、潷水器、水力推進器的設計製造;環保工程設計;環境影響評價; iso14000的咨詢等。Impact of the shape of the hull back of amphibious vehicle on the inlet flow field of waterjet propulsion
兩棲車輛車體尾部形狀對噴水推進器進口流場的影響In the constructing of the diagnosis module using the technology of the combination of the fuzzy logic and neural network, which based on the fuzzy adaptive learning control network, a simple kind of capable method for consummate the structure and performance of network is introduced, which includes the rules extraction based on the maximum weights matrix and the parameters amendment based on genetic algorithm by floating - point coding. during the monitoring of the parts condition, the output of the condition monitoring system shows the good working condition of the executing agency by fuzzily deducing from the control instruction send by the auv ' s controller and motion status, and so offers the proof to complete mission and return safely
在珍斷模塊建模中採用模糊邏輯與神經網路結合的技術,以模糊自適應學習控制網路為核心,提出了一種簡單可行的基於最大權值矩陣的規則提取及基於浮點數編碼的遺傳演算法的參數調整的,完善網路結構與性能的方法,並在狀態監測過程中,通過對由控制器輸入的水下機器人運動控制量以及運行狀態的模糊推理,得到執行部件(推進器或舵)的工作狀態優劣程度,為保證水下機器人完成任務,安全返回提供控制依據。Compared with dc - mhd propulsion, ac mode has no electrode and does n ' t apply electric field to fluid directly. thus it avoids the detriment and noise caused by the air bubble generated by electrolysis, and makes the ship more quietly. these characters will help to develop a more efficient ship thruster
與直流磁流體推進相比,交流磁流體推進方式的最大特點就是沒有電極,因此沒有電極壽命問題,消除了電極表面壓降對推進器效率的影響,也沒有電機表面電化學過程產生的不良效應,如氣泡、電解質對海水的污染等。One day he was leaning on the railing of the engine - room, and was observing the engine, when a sudden pitch of the steamer threw the screw out of the water. the steam came hissing out of the valves ; and this made passepartout indignant
有一天他伏在機車間的欄桿上,看著這架有時象發怒似的大機器在飛快轉動,這時由於船身急劇地前後顛簸,推進器一露出水面就飛快地空轉,於是活塞的運動就引起蒸汽不停地劈拍爆炸。Test results have shown that with discharge energy of 40 j, our ppt ' s thrust has reached more than 0. 605 mn, and its isp is 1188 s and weight is 4. 2kg, which reaches the level of current ppt used in the world
所研製的脈沖等離子體推力器樣機質量為4 . 2kg ,在放電能量為40j時,推力為0 . 605mn ,比沖為1188s ,達到國際同期空間試驗樣機的水平。Firstly, after the analysis of the specific hydrodynamic problem in detail, this thesis builds up an integrated simulation system of auv recovery
首先,基於回收時特殊的流體動力模型,構造了回收的集成模擬器,包括水動力模擬、推力器模擬以及海洋環境模擬等等。Sometimes the screw rose out of the water, beating its protruding end, when a mountain of water raised the stern above the waves ; but the craft always kept straight ahead
有時,巨浪象大山一樣將船尾高高抬起,這時,螺旋推進器就露出了水面,立刻發生劇烈的空轉,但是船卻照樣一直不停地前進。Firstly, made a discussion on the theory of application of solar building, introduced the condition of application of solar build both here and abroad. secondly, take apart and sum up to the two solar application style at large, put forward the correlation technique point of the solar bask & solar water heater, point out their develop direction, discuss the method of building policy to promote solar apply, hoping that we can promote the development of chinese solar building
首先對建築應用太陽能進行了理論探討,介紹了國內外建築應用太陽能的情況,然後分別對與我國現實情況聯系緊密的兩種類型的太陽能應用進行了詳盡剖析和實踐總結,提出太陽能採暖、太陽能熱水器應用於建築的相關技術要點,指出它們分別的發展方向,並探討了我國建築法規中可制定的促進太陽能發展的措施,以期對我國的太陽能建築發展起到推動作用。The technology we first research heat for twice is successful, let the connection of the high temperature high effect and hot water fast circulation perfect, pushing the solar energy into a new stage
我們首次研發的「二次換熱」已取得成功,使得高溫度高熱效高熱水循環更加完美,將太陽能熱水器推向了一個新臺階,新舞臺。Thruster - current interaction
推力器與水流相互影響分享友人