船型系數 的英文怎麼說
中文拼音 [chuánxíngxìshǔ]
船型系數
英文
coefficient of displacement-
And we could figure out the satisfaction of the two side towards this project, use the two sides " satisfaction as weighing condition and fix the power quotiety as the weighing condition utilizing extension evaluation method, calculate the optimized degree of the budgeting model
然後利用可拓評價方法,將廠方滿意度與船方滿意度作為衡量條件,設定衡量條件的權系數,計算預算模型的優度。Zhan li, yu yang , development of container ship fleets for the yangtze river and short sea transport, transactions of the royal institution of navalarchitects part b, vol. 133, 1991
李湛、鄭險峰、楊? ,運輸船隊系統分析的一種模糊數學規劃模型,上海交通大學學報, 1991 ( 2 ) 。This paper presented a new type of triswach ( trimaran small waterplane area center hull ) with small length displacement volume ratio which has low powering requirements at high speed
摘要提出了一種阻力性能優良、船長排水量系數小的高速小水線面三體船型。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。Another based mathematics model about the anchor cable is used for ship - anchor system. the numerical calculation have been worked by programmed in the matlab language. at the same time the influence that the dragging speed of antisubmarine helicopter and the height over the surface of ocean acts on the shape and the tension of underwater cable, and that the current velocity and the diameter of anchor cable acts on the shape and the tension of anchor cable, has been calculated
把建立的水下拖索數學模型和錨索數學模型分別應用於航空吊放聲納探頭?纜繩動力學系統和船?錨系統,採用matlab語言編程進行了數值計算,同時分別計算和分析了反潛直升機拖速、距海面高度對拖索形狀和張力的影響以及海流速度、錨索直徑對錨索形狀和張力的影響。We gradually developed sf serial buses, 50 meters extension fire truck, lighting vehicle, x - ray medical instrument vehicle, tv transfer truck, armor for money transfer, hovercraft, bm serial oil motor, gx serial dry washing machine, wb serial alarm system. these products are sold to other provinces and cities of china. those products were rewarded medal for high quality issued by ministry and other cities
從90年代起,逐步開發生產了sf系列大客車, 50米雲梯消防車強光照明車醫用x光檢查車電視轉播車防彈運鈔車等數十種特種工程車,氣墊船bm系列油馬達, gx系列乾洗機以及wb系列報警器,產品銷售到全國30個省市自治區,並先後獲得市優部優產品榮譽, bm - e型油馬害獲得國家質量銀質獎。Abstract : by both the external combination of deck coefficient and designed water - line coefficient ? and the in - ternal combination of deck transformation and cross - section area curve transformation ? a new ship line is generated on the condition that cross - section area is the same as the basic ship and designed water line satisfies the need. this method needs not look for any transformation function to finish the change of cross - section area curve. it is a profitable development to the traditional lackenby method
文摘:本文通過甲板面面積系數和設計水線面面積系數的外層疊代、甲板面變換和橫剖面面積曲線變換的自身內層疊代,在保持橫剖面面積曲線不變的條件下,獲得滿足設計水線面系數變化要求的新船型,而不必尋找橫剖面線的變換函數來實現設計水線面的變換,本方法是對傳統的母型船變換的一個有益補充。As a result, the studying aim of this paper is to establish a practical and complete system for the prediction of ship maneuvering motion, taking into account of the influence of the environmental factors, such as the wind, wave and current, establish a practical and complete system for the prediction of ship maneuvering motion. in this paper, the opengl virtual reality simulation technique is introduced into the field of ship maneuver and control, and using the mmg mathematical model, the three dimensional dynamic simulation system of the ship motion is established and good results are achieved. in the process of the system development, firstly, the maneuvering motion equations for ship in the still water are established, based on the mmg module mathematical model and serial experimental result
在系統開發過程中,首先採用mmg分離式數學模型及相關的系列化試驗結果,建立單槳單舵海洋運輸船舶在靜水中的船舶操縱運動方程,並編制計算程序,經與試驗結果比較,證實了計算結果的正確性;為了解mmg數學模型中模型參數變化對操縱性指數的影響程度,作者在上述已有程序基礎上,對有關模型參數進行偏移修正,探討了相應參數變化后的操縱性指數,對船舶操縱性指數對模型參數的靈敏度進行了詳細的分析與探討,所得結論與工程實際相吻合,具有實際應用價值,並為進一步提高船舶操縱性預報的精度打下了基礎;然後,在已有的船舶靜水操縱運動模型基礎上,考慮雙槳雙舵的影響,建立了內河雙槳雙舵船舶的操縱運動模型;最後,綜合考慮風浪流作用力的影響,進行了船舶的操縱運動模擬計算。Abstract : fatigue cracks in ship hull structures are most likely to occur in the highly stressed structural details. the conventional fatigue analysis is largely dependent on the determination of stress concentration factors ( scfs ) at the locations considered. this paper is concerned with the stress concentration of cutout in transverse web for longitudinal stiffener. a series of finite element models is carried out for the stress analysis of predefined structural details. the tabulated scfs of typical cutouts ( abs tanker rules ) in transverse web for longitudinal stiffeners are presented based on the finite element analysis ( fea ) results
文摘:疲勞裂紋往往發生在船舶結構的局部高應力區,而疲勞分析結果通常取決于任何準確確定結構的應力集中系數.本文研究為鋪設縱骨而在艙壁板上開孔的應力集中,採用有限元方法對預先給定的結構進行應力分析,基於有限元計算結果給出了艙壁板典型開孔(參見abs油船規范)的應力集中系數表In this paper, authors have predominantly discussed mathematical model of cad for designing bodyplan of fishing vessels, generating and gradually and perfectly completing data base system of prototypes for pattern of vessels with technique of data base, and completing fairing of lines by insertion of cubic sample function and its software system
摘要本文重點討論了在計算機輔助漁船型線設計中採用的數學模型,應用數據庫技術生成和逐漸完善母型船的型船庫系統,以及採用三次樣條函數插值解決光順問題和軟體系統。Design procedure of u - shaped anti - rolling tank system is established, and program of scale design for tank is summarized, and an innovation selecting the natural frequency of controlled passive anti - rolling tank is put forward according to variation range of wave frequency, the natural frequency of rolling of a ship and other influencing factors, and causes of formation of tank damping and motion state of water in tank are studied, calculation formula of the u - tube tank damping and design method of tank damping configuration are given, and the influence of tank vertical location within the ship on ship parameters, stabilization performance of tank and water motion in tank is studied
建立了完整的u型減搖水艙系統設計程序;總結了u型減搖水艙尺度設計;提出了根據波浪頻率變化范圍、船舶固有頻率變化范圍和其它影響因素,選取可控被動式減搖水艙固有頻率的新方法;分析了u型減搖水艙阻尼的形成原因,給出了估算水艙阻尼和設計水艙阻尼結構的方法;研究了減搖水艙在船舶中的垂直位置布置對船舶參數、水艙減搖性能和艙內流體運動性能的影響。Firstly a mathematical swath in full scale is studied. the numerical results of total pressure, wall shear stress, corresponding viscous resistance coefficient at different velocity and so on are obtained. the computational viscous resistance coefficients are compared with the estimated ones using empirical formula and the results are found to be in good agreement
首先對一swath數學船型做了研究,得到不同航速下的物面總壓力、物面切應力分佈及相應的粘性阻力系數等結果,並將各航速下的粘性阻力計算結果和經驗公式估算結果做了比較,吻合得較好。The features are eventually calculated by the euclidean norms of the clusters. the combination of features extracted from wave structures, wavelet coefficients and frequency spectrum get better classification result than one kind of feature
本文還提取了艦船輻射噪聲的波形特徵,包絡小波分解系數頻率特徵並與前述能量特徵相結合,取得了比單個類型特徵更好的分類效果。Micro - bore calcium silicate without rock cotton is a white, hard new thermal insulation material which has the features of light unit weight, high hardness, low heat conduction coefficient, heat resisting, corrosion - proofed, cuttable and sawable, and widely used in the pipeline of electric, metallurgy, petrochemistry, architecture and shipbuilding industry, and heat resisting, fireproofed and soundproofed equipment of the house wall
無石棉微孔硅酸鈣是一種白色、硬質的新型保溫材料,具有容重輕、強度高、導熱系數小、耐高溫、耐腐蝕、能切、能鋸等特點被廣泛應用於電力、冶金、石化、建築、船舶等領域的設備管道、墻體屋面的保溫隔熱和防火隔音。First, according to the demand of vimp for resin system, the reaction kinetics and rheological of up resin are investigated and the optimal content of low additive profile ( lpa ) is determined. then vimp based on a high - permeable medium and grooves are studied by visual experiments, through which the appropriate high - permeable mediums are selected and the parameters of width, depth and spacing for flow grooves and spacing for supply grooves are optimized. furthermore, various factors affecting the mold filling process are discussed and the whole vacuum infusion procedures are described taking examples of the manufacture of a model boat and a sandwich panel in one infusion
文中首先根據vimp對樹脂體系的要求,對vimp用不飽和聚酯樹脂體系的動力學和流變學性能進行了研究,確定了最佳低收縮添加劑的含量;對高滲透介質型和溝槽型vimp開展了實驗研究,通過可視化實驗優選出較好的高滲透介質,確定了引流槽的寬度、深度和槽間距及主槽的槽間距等工藝參數並進行了優化;對影響充模過程的各種因素進行了詳細的討論,並以模型船和夾芯面板的製作為實例描述了兩種vimp的成型過程;在實驗的基礎上,建立了二維滲漏模型,採用控制體有限元法對高滲透介質型vimp進行了成型過程的計算機模擬計算,通過充模時間和流動前峰的計算值與實驗結果的比較,驗證本文所採用的數學模型和數值方法的正確性,其結果對實際生產具有一定的理論指導意義。During the time of developing this system, the elementary operation of the ship company and the working procedure was invested. the technology method of developing the mis was studied and the method of ship mis was designed on the platform of windows nt
在開發本系統的過程中,作者深入的了解了船務公司的基本業務類型,和數據處理流程,研究了開發管理信息系統的技術方法,並且提出了基於windowsnt平臺下開發船舶管理信息系統的設計方案。3. the paper programs a prototype system on bulk carrier automatic stowage system by visual basic 6. 0 and microsoft access
利用程序設計語言visualbasic與數據庫丌發工具microsoftaccess設計了一個散貨船自動配載原型系統。So, this paper takes the design of the bulk carrier automatic system as an example to search the key to the question of ship automatic stowage system
3 )針對具體的船舶,利用程序設計語言visualbasic與數據庫開發工具microsoftaccess設計了一個散貨船自動配載原型系統。Two model tests, each with a test program of 9 systematical arrangement of side - hulls in longitudinal and transverse locations, were performed to quantify the resistance and especially the influence of length displacement ratio and the interference between the main and side hulls
對這種船型進行了2種主體型線、 9種側體布局的阻力試驗,分析研究了阻力性能,討論了船長排水量系數和側體布局對阻力性能的影響。In this thesis, it has introduced the general theory about customer relationship management ( crm ), analyzes the systematic infrastructure and designs the subsystem, summarizes business flows related to crm. then, to the characters of crm, the feasibility of using components building shipping crm system is first analyses. and then some key technology of j2ee develop platform and ejb components is also discussed in detail
本文首先介紹了客戶關系管理( cram )的基本概念、業務過程和體系結構,然後針對crm系統的特點,首先分析了用組件的思想來構建船舶crm系統的可行性,並詳細介紹了j2ee開發平臺和ejb組件體系結構等關鍵技術,結合船舶運輸企業的現狀,提出了船舶客戶關系管理系統的實施步驟和設計方案,方案主要內容包括系統結構設計、功能設計和數據庫設計,並完成了原型系統開發。分享友人