潛射流 的英文怎麼說
中文拼音 [qiánshèliú]
潛射流
英文
diving current-
Application of high - pressure jet grouting in flood underflow project, xiyang county
高壓噴射灌漿技術在昔陽縣洪水潛流二水源工程中的應用In the paper, a numerical model of the interior flow of the submarine - based missile underwater launching is established. simulation of the interior flow of submarine - based powerless missile underwater launching is performed by applying the finite volume method
本文建立了潛射導彈水下發射的內流場數學模型,採用有限體積法( fvm )對無動力導彈潛艇發射時的內流場進行了模擬計算。The submarine noise detected by sonar consists of two parts : propeller - generated hydro - dynamical noise, which can be greatly reduced by improving the submarine rear shape ; radiated noise from the submarine structure excited by the centrifugal forces ( moments ) of rotatory machine, which is more complicated and influenced by many factors
聲納所探測的潛艇噪聲包括兩部分,一是螺旋槳運轉帶來的水動力噪聲,二是潛艇主機工作時產生的不平衡力和力矩引起潛艇結構振動,帶動流場振動從而輻射噪聲。通過改進潛艇尾部線型設計,已將水動力噪聲降到比較低的程度,而結構噪聲則復雜得多,與許多因素有關。According to the experimental parameters of mpt, the main performance parameters of different propellants have been given by engineering performance computation under designed and working states, which has great importance for the experimental research and the future work. 2. for helium and argon, the factors which influence on mpt ' s vacuum steady work have been discussed such as the material of microwave tie - in, the distance between the probe and inner - conductor, the position of the inner - conductor, the input power of microwave, the mass flowrate of propellant and the vacuum pressure of environment, and the influence has been discussed of the microwave power and the mass flowrate of propellant on the pressure of the resonance cavity, thrust, reflected power and the temperature of the resonance cavity
論文的工作和新見解主要包括: 1在設計狀態和工作狀態下,根據mpt的實驗參數,對mpt使用不同工質時的性能進行了工程估算,這對mpt現階段的實驗研究和今後的研究有重要的指導意義; 2對于he 、 ar推進工質,討論微波的接頭材料、探針與內導體的間隙、內導體的位置、微波的輸入功率、工質的質量流量以及環境真空度對mpt真空啟動和穩定工作的影響,並探討微波的輸入功率、工質的質量流量對諧振腔壓強、推力、反射功率以及諧振腔溫度的影響; 3對于n _ 2 、 h _ 2 、 nh _ 3 、 h _ 2o推進工質,主要討論與he 、 ar工質不同的特性,並從長遠的眼光和工程應用的角度,認為其可行性不容置疑,潛在優勢不可忽略,是未來mpt應用的主流推進工質。Changsha lnstitute of mining research cimr with rich design experiences is the earliest to be engaged in research on downhole drilling tools and rock drill bits in china and has carried on the work more than 25 years
我公司這次在這次展覽會上展出了cs165 , cs100d , cs100l和潛孔鉆機,並進行了高壓水射流技術的介紹和推廣工作。產品的技術領先得到了很多公司的認同。The marine refrigerated containers are of great mobility, and the changes of the outside air temperature, seawater temperature, the sun radiation intensity and the transported goods bring the changes in the latent and display heat load of refrigeration system
海運冷藏集裝箱流動性大,隨著外界氣溫、海水溫度、太陽輻射強度和運送貨物的變化,冷藏集裝箱製冷系統的顯熱和潛熱負荷隨之不斷變化。Synthetic jet control becomes one of the highest potential methods for flow control, because its actuator has a simple structure and easily to be controlled and less power consume
合成射流控制由於其驅動器結構簡單,便於控制,功率消耗低成為了流場控制中最具發展潛力的方法之一。The water - exit movement of the submarine - based powerless missile which is horizontally or vertically launched is solved. the change trend of force and moment which are put on the missile is given. the effects of ocean current and wave that affect the missile is studied based on the front work
本文建立了導彈出水運動數學模型,採用定步長四階龍格-庫塔( runge - kutta )法求解了潛載無動力導彈水平發射和垂直發射的出水運動過程;給出了導彈出水過程中所受力和力矩載荷的變化情況,並在此基礎上分別研究了海流和波浪對導彈的影響。Major cities such as beijing, shanghai, shenzhen and harbin have all drawn up new measures, to provide a peaceful environment for dog owners and non - owners alike. one of the latest involves implanting electronic chips in beijing and harbin a practice already in use in other countries
當然,市民規避相關法則也是一大重要因素,如不為愛犬注冊辦證不給狗寵物注射疫苗,而且,流浪狗數目增多也成為狂犬病的潛伏隱患。( 4 ) the potential applications of the synthetic jet technology are studied. it shows that the synthetic jet actuators can significantly enhance fuel / oxygen mixing and heat transfer, and the synthetic jet actuators " working condition determines the controlling efficiency
( 4 )主要工作之二是探討了合成射流技術的潛在應用,應用合成射流控制技術,可以大大提高低速燃氣氧氣的摻混程度以及加強換熱,合成射流的控制效果與激勵器的工作情況密切相關。By submerging the buzzer into the water, the working condition of the microjet was satisfied
通過將蜂鳴器潛入水中,則可滿足微射流作動器的工作條件。分享友人