波型阻力系數 的英文怎麼說
中文拼音 [bōxíngzǔlìxìshǔ]
波型阻力系數
英文
wave pattern resistance coefficient- 波 : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
- 阻 : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 數 : 數副詞(屢次) frequently; repeatedly
- 阻力 : 1 (阻礙事物發展的外力) obstruction; resistance 2 [物理學] resistance; drag; drag force; nowel; ...
- 系數 : [數學] coefficient; ratio; modulus; quotient; factor
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As a newly developed high - performance ship, wave piercing catamaran ( wpc ) has been applied and investigated more and more extensively. in this paper, the theoretic calculation method of wave resistance of a kind of wave piercing passenger catamaran with 500 passengers has been researched, including the ship lines optimization ; the fast speed experiment research work and the research of the relation between the principal dimensions and the resistance. the relation between the wave piercing catamaran and the ship form parameters has been further researched, and also some useful theoretic basis and practical means have been provided for its practical engineering appliance
本文以「 500客位穿浪雙體船」為研究對象,對穿浪雙體船興波阻力理論計算和船型優化方法進行了研究,其主要研究內容如下:一、穿浪雙體船的線型優化二、穿浪雙體船快速性理論與試驗研究三、穿浪雙體船主尺度與快速性的關系通過以上內容,較深入的研究了穿浪雙體船船型參數與快速性的關系,為其在實際工程中的應用提供了理論依據和解決方法。The planeness and integrality of the flier - plate were ensured effectively by exerting restrictive pressure, controlling heating and cooling rate, lowering welding temperature or reducing welding time as much as possible, etc. theoretical model of creating quasi - isentropic compression via 93w - ofc - tc4 - a1 - mb2 system flier - plate with graded wave impedance was established, and numerical simulation of the impact process was then carried out
採取施加外部機械力、控制升降溫速率以及盡量降低焊接溫度或減少焊接時間(防止脆性金屬間化合物的過度增長)等措施,確保了焊接接頭的平整性和界面結構的完整性。建立起梯度飛片擊靶的理論模型,對93w - ofc - tc _ 4 - al - mb _ 2系波阻抗梯度飛片的擊靶過程進行了數值模擬計算。In this paper according to the design scheme of yao heba power station in nan yahe river, the mathematical model with longer and complicated conduit system, elastic water hammer and pid regulating low of voter turbine adjusting system in the case of the small fluctuation has being built, which include conduit system, surge tank, draft tube, water turbine, generator and governor. the hydraulic losses are taken into account, and nonlinearization in water turbine and the governor is also taken into account
本文根據南椏河姚河壩水電站的設計方案,對水輪機調節系統,按長引水管道復雜引水系統、彈性水擊、調速器為pid調節規律,在小波動情況下,對包括引水道、調壓井、尾水管、水輪機、發電機、調速器在內的水輪機調節系統建立數學模型,並計及引水管道水力摩阻損失,對水輪機、調速器考慮了其中的非線性,利用功能強大的matlab軟體編制了源程序進行計算機模擬計算。Then a simplified computational modal of damping isolation systems is established for a platform structure, and the relationships between the parameters of isolation layer and structural damping ratio, including their vibration - suppressed effect on the whole structure and the relative displacement of isolation layer are studied, and the simulation analysis under several representative load case of random wave force and earthquake affairs is performed. under random wave force, using complex mode theories, non - classically damp problems considering the interaction between the structure and wave, lying in deepwater, are studied. and the resolution solution of structural response are achieved. the results of calculating and analysing show that adding damping isolation to a jacket is an effective way to reduce vibration for offshore platforms
針對某一典型平臺結構,建立了海洋平臺結構阻尼隔振體系簡化計算模型,進行了波浪荷載工況和地震工況的數值模擬,研究了隔振參數與結構阻尼比的關系以及它們對結構整體和隔振層層間相對位移的控制效果,運用復模態理論研究了位於較深水位的固定式導管架海洋平臺在隨機波浪力作用下考慮結構與波浪相互作用時運動方程中非經典阻尼的解耦問題,獲得了結構響應的解析解。The numerical results show that the wave pattern and the wave - making resistance coefficient from present paper are agree with experimental data and other numerical methods
計算結果表明,其波型及興波阻力系數與試驗結果和其他數值方法相比均吻合較好。In the last few years, the polution and harm of harmonic hi the power system is becoming more and more serious. the lc passive filter that is used widely ca n ' t satisfy the new demands of harmonic filter. the combined system of shunt lc passive filter and active power filter are put forward, and this paper focus on the following four aspects. 1
近年來,電力系統諧波的污染和危害日趨嚴重,而國內普遍使用的lc無源濾波器逐漸不能適應濾波的新要求,本文提出了與可變參數lc濾波器混合使用的並聯型有源電力濾波器系統,並著重研究了以下幾個主要問題: 1 、 lc無源濾波器(主要是高通濾波器)參數調節對阻抗特性和無功補償的影響。分享友人