船舶液壓推進系統設計與性能研究
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本文關鍵詞:船舶液壓推進系統設計與性能研究 出處:《大連海事大學》2014年碩士論文 論文類型:學位論文
更多相關文章: 液壓推進 螺旋槳初步設計 功率鍵合圖 AMESim仿真
【摘要】:隨著現代化船舶逐漸向高速化、大型化、專業(yè)化方向發(fā)展,傳統的柴油機直接推進方式的船舶的缺點逐漸顯現。我國領海遼闊,海洋資源豐富,開采這些資源需要各種性能優(yōu)良、功能特殊的船舶,同時船舶作為航運業(yè)的主體,其自身性能的優(yōu)劣同樣會對行業(yè)的發(fā)展造成影響。液壓傳動具有功率質量比大、過載安全性好等特點,將液壓馬達安裝在可360;剞D的吊艙中,利用液壓馬達轉動驅動螺旋槳,這樣就形成了吊艙式液壓推進系統。吊艙式液壓推進系統兼顧液壓傳動的優(yōu)點,同時可實現矢量推進,成為新型的船舶推進方式。 本文針對一艘2320t海事公務船進行液壓推進系統設計。根據提供的船型參數,本文利用泰洛法對船舶阻力進行了估算,并根據阻力估算結果進行了系統的設計。在螺旋槳初步設計中,利用MATLAB編程計算得到螺旋槳最佳轉速、螺距比、敞水效率,替代了常規(guī)的圖譜設計法,提高了設計效率。在系統設計環(huán)節(jié),通過計算,確定系統關鍵元件的性能參數,并結合REXROTH公司的產品進行了選型,繪制液壓推進系統原理圖。利用功率鍵合圖理論對系統進行建模,推導系統各個子模型的狀態(tài)方程,為系統仿真奠定理論基礎。采用基于鍵合圖理論的LMS AMEsim軟件對系統性能進行仿真,從泵控信號、管路布置、負載等幾個方面分析了外界因素對系統性能的影響。
[Abstract]:With the development of modern ships towards high speed, large scale and specialization, the shortcomings of the traditional direct propulsion mode of diesel engines gradually appear. China has a vast territorial sea and rich marine resources. Exploitation of these resources requires a variety of excellent performance, special functions of the ship, at the same time the ship as the main body of the shipping industry. Its own performance will also have an impact on the development of the industry. Hydraulic transmission with large power and quality ratio, good overload security and other characteristics, hydraulic motor can be installed in the 360. rotary pods. Using hydraulic motor to drive the propeller, the podded hydraulic propulsion system is formed. The podded hydraulic propulsion system takes into account the advantages of hydraulic transmission and can realize vector propulsion at the same time. Become a new type of ship propulsion. In this paper, the hydraulic propulsion system is designed for a 2320t maritime official ship. According to the ship type parameters provided, the resistance of the ship is estimated by using the Thalo method. In the preliminary design of propeller, the optimal speed, pitch ratio and open water efficiency of propeller are calculated by MATLAB programming. In the system design, through calculation, the performance parameters of the key components of the system are determined, and the selection of the products of REXROTH company is carried out. Draw the schematic diagram of hydraulic propulsion system. Use the power bond graph theory to model the system and deduce the state equation of each sub-model of the system. LMS AMEsim software based on bond graph theory is used to simulate the system performance from pump control signal and pipeline layout. The influence of external factors on system performance is analyzed in several aspects, such as load.
【學位授予單位】:大連海事大學
【學位級別】:碩士
【學位授予年份】:2014
【分類號】:U664.3
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