forward propulsion 中文意思是什麼

forward propulsion 解釋
前沖力
  • forward : adv 1 向前,前進 (opp backward)。2 【航海】在船頭,向船頭(opp aft)。3 今後,將來。4 出來,出...
  • propulsion : n. 推進(力)。 a propulsion engineer 動力裝置工程師。 jet propulsion 噴氣推進。
  1. Adduction of the upper arm to maximize forward propulsion

    內收上臂以產生最大的向前推進力。
  2. Man b & w 10l90mc diesel engine is a new type of man diesel company and it has been used in large container vessel. in order to investigate into the characteristic of shaft torsional vibration when any single cylinder flames out and how that affects the main power propulsion system of a ship, the author puts forward a new way of calculation concerning the shaft torsional vibration when the mean indicated pressure of other cylinders remain unchanged

    在此基礎上,開發了新的船舶軸系扭轉計算軟體,並以manb & w公司近幾年新推出的一種大功率多缸柴油機manb & w10l90mc型柴油機為例,分別進行了額定功率下和單缸熄火下的扭轉計算,並提出單缸熄火時其他缸平均指示壓力保持不變的軸系扭振計算方法。
  3. The second chapter studies the economy of ship ' s power plants, based on the aspects of lowering fuel cost, waste heat recovery, the match of ship, machinery and propeller, increasing propulsion efficiency, increasing the economy of ship ' s power plants, etc. the third chapter discusses in detail the control measures of voyage change cost, analysizes systematically the voyage change cost based on the way of fuel cost, harbor cost, voyage venture cost. the fourth chapter studies the structures and control measures of seafarers cost, maintenance cost, spare parts and stores cost, lubricating oil cost, etc. which are relatively easy to be controlled ; based on the state maintenance decision - making, a mathematical model is put forward, the validity and its solve process are discussed. the control measures of spare parts, fuel cost and lubricating oil cost should be based on scientific budget, through the control means of application, reception, usage, store check, try to acquire the inosculation of theory

    第一章主要討論營運船舶運輸成本,對船舶運輸成本的概念、結構、性質與分攤、成本細分進行了分析,從宏觀上闡明了船舶運輸成本的生存環境和生長趨勢;第二章研究了船舶動力裝置的經濟性,在營運船舶降低油耗、廢熱利用、船機槳匹配、提高推進效率、提高船舶動力裝置經濟性的有效途徑等方面進行了闡述和論證;第三章詳細論述並論證了航次變動成本的控制措施,全面系統地分析和總結了航次變動成本,通過對燃油成本、港口使費、航次風險成本的分析與控制,提出了航次風險成本的概念並論述了若干航次風險成本的控制措施;第四章對船舶營運成本中的船員費用控制、維修保養及其費用控制、船舶備件物料管理及其費用控制等幾個主要可控性較高的成本進行了細致的分析並分別討論了相互的控制措施,提出了基於狀態維修決策的馬爾可夫數學模型並論證了模型的正確性及具體解算步驟,對于備件、燃潤物料的控制堅持以科學的預算為前提,以申領、接收、使用、盤存為控制環節,切實做到理論與實踐的密切結合;第五章,結合營運成本的預核算的案例,對船舶營運成本的預算及核算進行了有益的探討,旨在揭示成本發生的動因,並給出了成本預算、核算的編制方法。
  4. Based on the analysis of current control programs of the connecting and dismounting rods ? coupling for the down - the - hole, the automatic control program is put forward for the propulsion floated by rotation pressure controlling, and the program is tested

    分析了新型液壓碎石機液壓系統的特點及要求,研究設計了新型的液壓控制系統,並介紹了其組成與工作原理,以及流量和壓力的調節與控制原理.該新型液壓控制系統可在操縱臺上直接控制碎石沖擊器的工作參數和性能參數,系統效率高,操縱控制舒適方便,能適應不同工況的需要
  5. The arm recovery accelerates and the hand drives forward into the water while the opposite hand pushes back achieving maximum hand velocity and propulsion

    當對側手向後推水,達到最快的劃水速度和最大推進力的時候,移臂開始加速,驅動手掌前伸入水。
  6. 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。
  7. Abstract : conventional ship propulsion methods meet some limitations in ship development towards high - speed, large - scale and high - power. a new ship propulsion method, integrated hydraulic propulsion ( ihp ), was put forward to solve the problem. then further research work was done on the principle of ihp method. working condition - matching characteristic was discussed through the working condition matching characteristic chart. after that, the advantages and disadvantages of ihp method were given. and the pump and motor, important parts of ihp, was designed through physical analytical method. ihp method can be used extensively in some special kinds of ship for its own characteristics. to a certain extent, the limitation problem of ship propulsion method can be solved. ihp method diversifies the existing ship propulsion methods

    文摘:為解決船舶在向大型化、高速化方向發展時船舶主機設計困難,機艙布置不合理以及機動性能差等問題,提出了一種新型船舶推進方式,即船舶綜合液壓推進.給出了該推進方式的推進原理,通過工況配合特性曲線圖,對其工況配合特性進行分析,對該推進方式的優缺點進行討論並對其重要組件液壓泵以及馬達進行設計計算.結果表明船舶綜合液壓推進具有其獨特的優點,是對現有船舶推進方式的有益補充
  8. Conventional ship propulsion methods meet some limitations in ship development towards high - speed, large - scale and high - power. a new ship propulsion method, integrated hydraulic propulsion ( ihp ), was put forward to solve the problem. then further research work was done on the principle of ihp method. working condition - matching characteristic was discussed through the working condition matching characteristic chart. after that, the advantages and disadvantages of ihp method were given. and the pump and motor, important parts of ihp, was designed through physical analytical method. ihp method can be used extensively in some special kinds of ship for its own characteristics. to a certain extent, the limitation problem of ship propulsion method can be solved. ihp method diversifies the existing ship propulsion methods

    為解決船舶在向大型化、高速化方向發展時船舶主機設計困難,機艙布置不合理以及機動性能差等問題,提出了一種新型船舶推進方式,即船舶綜合液壓推進.給出了該推進方式的推進原理,通過工況配合特性曲線圖,對其工況配合特性進行分析,對該推進方式的優缺點進行討論並對其重要組件液壓泵以及馬達進行設計計算.結果表明船舶綜合液壓推進具有其獨特的優點,是對現有船舶推進方式的有益補充
  9. Body roll occurs largely to position sets of muscles to move joints to produce longitudinal forward propulsion and coupled with the arm pull produces a more direct propulsive force off the hand / forearm - propelling surface

    身體的滾動幅度大會使肌肉群一起運動產生縱向的推進力而且是兩倍于手臂劃水直接產生的推進力。
  10. An elevation of the shoulder, medial rotation of the upper arm, and late flexion at the elbow as the body rotates to accommodate an " elbows - up " position and to reposition the forearm / hand drag surface to where forward propulsion can be created

    提肩,上臂轉一半,然後屈肘使身體轉動達到一個高肘位置接著重新入水並使前臂和手掌通過抱水能夠產生向前的推進力。
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