孔式分流模 的英文怎麼說
中文拼音 [kǒngshìfēnliúmó]
孔式分流模
英文
porthole- 式 : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
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And the explicit finite difference method, the combining method of the central difference method and newmark s constant average acceleration method, and the transmitting boundary are used. by comparing the acceleration determined by the several methods of the displacements or velocities, a computing method of acceleration employed the one side difference of velocity is more practicality in this research. corresponding to normal incidence of the body waves, p waves or svwaves, and rayleigh surface waves, two two - dimensional finite difference programs are compiled to compu te the dynamic response of two - phase media
以土力學模型為基礎,利用以土骨架和孔隙流體的四個位移為基本未知量的數值方法去模擬二維飽水介質中的地震波傳播,採用了顯式差分方法(中心差分法和newmark常平均加速度法結合)和透射邊界,通過比較利用幾種差分格式求解的加速度結果,發現一種用速度單邊差分求解加速度的方法在本文研究中較為實用,分別編制了體波( p波或sv波) 、 rayleigh面波輸入時求解兩相介質動力響應的兩個二維數值分析程序。But almost none studies analysis and design principle about quasiliquid device by the numbers. for providing theory guidance for quasiliquid device design and improving capability and reliability of quasiliquid fuzes, taking experience formula of loose object orifice flowage of loose object mechanics, this paper constitutes three type quasiliquid safety and arming device mathematics models by force analysis
為了為引信準流體機構設計提供理論指導,提高準流體引信性能及其可靠性,本文以散體力學散粒體孔口流動經驗公式出發,結合典型準流體機構具體結構,通過受力分析,建立了離心力驅動、彈簧力驅動和離心力與彈簧力相結合驅動三種典型準流體延期解除保險機構地解除保險過程數學模型。The result is that this gas pool has simple structure, only forms a little nose - like structure at the district of fenghuangshan ; this pool belongs to delta front sub - facies sedimentary model, the underwater distributary channel and mouth bar is the better sedimentary microfacies ; the physical property of the reservoir is poor, the type of pore of the reservoir rock mostly are intergranular pore, intergranular solution hole and little are intercrystalline micropore ; the influential factors of pore structure and physical property are lithofacies, lithologic character and diagenesis ; the off - take potentia of all the testing well are deadly shortness, the wells have the worth of industrial recovery only under the condition of going through sand fracturing, and in the early of binging into production, the oil and sheath pressure drop rapidly, the production of the well drop rapidly
研究認為該氣藏構造簡單,只在鳳凰山形成了一個小型的鼻狀構造;屬於三角洲前緣亞相沉積模式,水下分流河道和河口壩是有利的沉積微相;儲層物性差,儲層巖石的孔隙類型主要有粒間孔、粒間(內)溶孔及少量晶間微孔;影響蓬萊鎮組氣藏儲層孔隙結構及儲集性的因素有巖相、巖性條件及成巖作用;所有測試井自然產能都極低,必須經加砂壓裂后才有工業開采價值,且投產初期,油套壓下降較快,氣井產量下降迅速。The structure and operating principle of an air - charged split - type adjustable shock absorber was described, e non - linear parameterized mathematical model of this shock absorber ' s damping characteristics was established according to fluid mechanics theory and the main structural affection factors to shock absorber ' s damping performance, such as the diameter of piston valve orifice, the diameter of adjustable orifice, the initial volume of gas chamber, the diameter of piston rod, the inner diameter of oil pipe and so on, were analyzed by simulations
摘要通過分析一種分體式充氣可調阻尼減振器的結構和工作原理,運用流體力學理論,建立了該減振器阻尼特性的非線性參數化模型,模擬分析了活塞阻尼閥孔徑、阻尼調節孔徑、氣室初始體積、活塞桿直徑、油管內徑等主要結構參數對減振器阻尼性能的影響,通過試驗測試,得到了減振器樣件的阻尼特性及其可調范圍。The article below deals with the mechanism research of this kind of machine, describing the structure and principle ; theoretically analyzing the data to derive formula ; tentatively proposing theory of radial flow between parallel plates for future design ; pores arrangement, i. e., longitudinal pores are equally spaced, horizontal pores bore size is preferred unequal and rows distance can be either equal or not but generally smaller than pores distance, and rows shall be odd numbers and are arranged symmetrical from the center row and bore size reduces gradually from the center row
本文對氣墊機作了機理研究,描述了氣墊機的結構型式及工作原理,對氣墊機的主參數作了理論分析,根據平行平板間的徑向流動理論,建立了計算模型,導出了計算公式,可作為氣墊設計理論的依據;提出了氣孔布置的原則:縱向孔間距相等較好,橫向孔徑不等為佳,橫向孔排距可以相等,也可以不相等,但一般小於孔間距。氣孔排數應為奇數,由中心兩側呈對稱布置,孔徑由中心向兩旁逐漸減小。According with the characteristics of pore water seepage and soil deformation, the 1 - d rebound anti - consolidation model is set up. then the anti - consolidation differential coefficient equation is deduced and the corresponding a nalytical solution is obtained. in succession using the above theory, the influence to effective stress area ratio of some factors, such as preloading time, surcharge ' s magnitude and the depth of vertical drain
針對卸載后淺部地基孔隙水滲流和土體變形特性,建立了軟土地基一維回彈吸水固結模型,推導了吸水固結微分方程,並求出了方程的解,同時,給出了回彈變形計算公式。The cavitation flow in a nozzle at steady spray of a diesel engine was simulated, and the formation mechanism and distribution of cavitation inside the nozzle were analyzed using mixed multiphase flow model coupled with cavitation model
摘要利用混合多相流體模型加空穴模型的方法,模擬了柴油機孔式噴油嘴穩定噴射時嘴內的空穴流動現象,分析了空穴在噴油嘴內形成機理及其分佈情況。On the basic of analyzing the spatial distribution of the hydrogeologic stratum, it abstracts the concept module of the void hydrogeologic profile, and sets down the rule on making up the stratum section, it also analyses the data structure and the steps of automatic generating the hydrogeologic profile, and discusses the appliancation of component gis on the the automatic generate method
在分析孔隙水文地質層的空間分佈規律的基礎上,抽象出孔隙水文地質剖面的概念模型,制定了地層剖面構建規則。同時,本文也分析了自動構建水文地質剖面圖的數據結構及其構建剖面的具體流程,並探討了組件式gis技術在自動繪制水文地質剖面圖中的應用。Detailed predictions on the fluid flow in mold and in cavity of nozzle working end were obtained at different side - hole angle and submerged depth of nozzles, and then the flux variation of liquid steel passing through central hole of the three - hole nozzle and the fluctuation of liquid steel in mold were inspected based on above predictions
針對3孔浸入式水口不同側孔傾角和浸入深度,數值模擬對結晶器內鋼水流動做出了較為詳細的預報,研究工作就此分別考察了水口中心孔流量變化和鋼水液面波動幅度。Firstly, for jet array impingement cooling, the effects of the distance of adjacent holes, the impinging distance and jet reynolds number on heat transfer characteristic at the target wall are summarized under staggered holes arrangement and the same hole diameter. and then, the numerical simulation of inclined multi - hole film cooling has been studied. the influence factors examined in this case include blowing ratio and the distance of adjacent holes
首先通過對射流沖擊冷卻方式的研究,分析了相鄰孔間距、沖擊間距以及射流入口雷諾數對沖擊靶面換熱系數的影響情況,然後對多斜孔冷卻方式進行了數值模擬,重點探討了吹風比和相鄰孔間距對絕熱溫比與壁面換熱系數的影響規律,最後,針對沖擊-發散復合冷卻流場的計算物理模型,研究吹風比、相鄰孔間距的變化對沖擊-發散復合冷卻流動與傳熱特性的影響。The relation between rheological breaking ratio and plastic work is set up according to the equation relation between outer plastic work and energy of plastic deformation. it is helpful to the understanding of elasto - plastic constitutive relationship of rockfill and braking of particles. based on analysis of test result, in - site observation data, this paper put forward a quantitative relation between rheology and valley shape, rockfill mechanical parameters, such as dry density, compressive modulus, softening factor, pore ratio, etc. the main factors influencing the rheological behavior of rockfill can be classified into inner factors and outer factors
堆石作為面板壩的主體,影響其流變的因素頗多且十分復雜,既有內因也有外因,根據試驗、原型觀測資料對內外因素所做的分析,本文提出了流變與河谷形狀等外因、流變與壩體常規物理力學指標等內因的定量關系和影響堆石流變的多因素綜合表達式,由此建立了堆石流變與堆石常規物理力學指標(如干密度、壓縮模量、軟化系數、孔隙比等等)之間的聯系。5. on the aspect of spaceborne sar simulation, after thoroughly analyzing on the representative spaceborne sar simulator, we grasp the spaceborne sar operation procedure, and present a system simulation approach based on radar signal flow
在星載合成孔徑雷達模擬方面,論文在其它星載雷達模擬方法分析基礎上,把握星載合成孔徑雷達的工作流程,提出了基於雷達實際工作方式的系統模擬方案。Regarding the lcm filling process as the newton fluid through fibrous reinforcements, the permeability of preform determines the saturating of resin in fiber, and has effects on the curing process and the quality of products. based on the darcy ' s law, the theoretical model of permeability measurement was established. and the influence of different testing methods and major process parameters such as fabric structure, fiber volume fraction, injection pressure, flow rate and resin viscosity on preform permeability were investigated in details
文中首先根據達西定律建立了滲透率測量的理論模型,深入研究了不同的測試方法及主要工藝參數(纖維織物織構、纖維體積含量、充模壓力、流動速度、樹脂粘度)對滲透特性的影響規律,發現多孔介質增強材料的滲透率主要取決于纖維織物的結構形式,預成型體孔隙分佈及其體積分數、壓實性對滲透率有較大的影響,提高充模壓力和流動速度可以縮短充模時間,在一定程度上可以提高滲透率。In order to study the regeneration mechanism of dpf in detail, we still need a mathematical model of the channel unit, which present temperature field and the soot reaction rate of the channel. finally, it points out the influences of various factors to the regeneration process by computing the numerical solution of model under different boundary conditions and geometry parameters, such as the initial temperature, the gas flow rate, the oxygen concentration, the sediment quantity and the wall thickness of the filters, and so on. in this way, the paper provides theoretical guidance for optimization design of the dpf
首先研究了干凈壁流式過濾體的加熱特性,然後在加熱和燃燒理論的基礎上建立了微粒捕集器再生過程的數學模型,並對模型進行了數值計算,得到了捕集器內部的三維溫度場分佈以及溫度梯度分佈,結果與實驗值吻合較好,驗證了模型的正確性;為了詳細的研究微粒捕集器的再生機理,建立了孔道單元數學模型,得到了孔道內的溫度場分佈和微粒反應速率分佈;最後,通過求解模型在不同邊界條件和不同幾何參數下的數值解,分析了各種因素對再生過程的影響,如過濾體初始溫度、過濾體內氣流的流動速率、氧濃度、微粒沉積量以及過濾體壁面厚度,為微粒捕集器的優化設計提供理論指導。分享友人