熱分界層 的英文怎麼說
中文拼音 [rèfēnjiècéng]
熱分界層
英文
thermal boundary layer-
The metal nanoparticles that form in hot critical layer are drawn from reaction area and arrives designated installation via the centrifugal selection grades ware under the transport of inertia gas current, then metal nanoparticles are collect via filter completion
氣流將在熱臨界層中形四川大學博士學位論文成的金屬懸浮顆粒從反應區中提取出來,經過離心分級器的篩選,在惰性氣流的輸運下抵達指定裝置,通過濾器完成對金屬納米顆粒的收集。Based on analysis of geologic foundation record about pingzhuang basin, a lot of sino - foreign geothermal geology record and investigation of field geology, measuring of ground temperature in person and geo - chemical analysis of ascension spring, gushing water of fault, the fact that the anomaly of geothermal gradient of pingzhuang basin, which is in region of low geothermal gradient, is caused by redistribution of conduction - oriented geothermal heat flow which is result from upheaval and depression of basin foundation bed is pointed out. after the field of ground temperature is simulated under the background of conduction - oriented geothermal heat flow by means of ansys, the characteristic of ground temperature distribution of top surface of basin foundation bed ( yixian team ) is revealed. the sound condition of transmissibility fault and feeding water source, which are imperative in formation of the low - medium temperature geothermal system of convective type, is possessed in pingzhuang basin
通過對平莊盆地基礎地質資料、國內外大量地熱地質資料的分析和野外地質調查、礦井實測地溫以及上升泉、斷層涌水的地球化學分析等工作基礎上,指出地處低地溫梯度背景區的平莊盆地地溫梯度異常是由於盆地基底隆起和坳陷引起傳導型大地熱流再分配所致;運用州sys數值模擬了大地熱流向地表傳導背景下的盆地地溫場,從而揭示了盆地基底(義縣組)頂界面地溫分佈特徵;闡明了盆地具有形成中低溫對流型地熱系統所必需的導水斷裂、補給水源等的良好條件,中低溫對流型地熱系統是地熱勘查的主要對象;圈定了平莊盆地北部朝陽溝?駱駝營子地熱勘查遠景區。Study on the stratification and critical size in siderite heattreatment
菱鐵礦熱處理分層現象及臨界線度的研究In the paper, not only such factors as reinforcing steel bar, various placing temperature of concrete in case of lift placements, lift thickness, time interval between lifts, the variation of elastic modules of concrete, heat of hydration, the temperature changes of environment but the effect of creep deformation and autogenous volume change on the temperature field and thermal stress field of reinforced concrete face - slab are considered
本論文在分析中,考慮了鋼筋、混凝土分層澆築、入倉溫度、澆築層厚、施工間歇、混凝土彈性模量變化、水化熱發散規律、外界氣溫等因素的變化及混凝土徐變和自生體積變形等因素對面板溫度場和溫度應力的影響。In computation the effect of thermal insulation, elastic modulus, creep degree and autogenous volume change along with age, the progress of pouring by layer, work suspension in summer, the change of air temperature, heat preservation, water cooling, and water storage, by stages on temperature field are considered
計算中考慮了混凝土的絕熱溫升、彈性模量、徐變度和自生體積變形隨齡期的變化以及分層澆築、夏季停工、外界氣溫變化、表面保溫、通水冷卻及分期蓄水等因素對壩體溫度應力場的影響。Mr so studied mathematics at university but is a devoted booklover. he is friends with many people who love chinese history and culture during his years of serving in shkp, and he shares the same interest. the magazine also includes articles by various academics and critics including tony tsoi, ivan choy, chiu wing - kai, lists the latest good books and offers advice to fans of choosing suitable books
今期更邀得新地高層蘇仲強分享閱讀上的心路歷程,這位讀純數學出身的商界企管人,無書不歡,縱橫商場多年的經歷,讓他廣交深諳歷史及文化的朋友,啟發他對中國文化及歷史的熱愛。Advanced instrument and testing techniques including adopting mercury injection apparatus, specific surface analyses apparatus, porosity - permeability measurement apparatus, isothermal adsorption instrument and drill core flow experiment system, etc., are also adopted. on the basis of study on gas zoning, known cbm show and its component, generating mechanism of low coal rank cbm are discussed. the author pointed out that generated cbm should consist of primary biogenic methane gas in lignite stage, thermogenic methane gas in long - flame coal to gas / fat coal stage, and deuterogenic biogenic methane gas in coal seam imbedded stage
在本區瓦斯分帶、已知煤層氣顯示及其組分研究基礎上,探討了低煤級煤層氣的生成機制,指出生成的煤層氣應包括褐煤階段的原生生物甲烷氣、長焰煤?氣肥煤階段的熱成因甲烷氣和煤層埋藏階段的次生生物甲烷氣三種成因甲烷氣體;進而論述了煤儲層含氣飽和度、臨界解吸壓力、臨儲壓力比、地解壓差等甲烷解吸特徵,實測與理論含氣量、煤層氣資源量與資源豐度等煤儲層含氣性特徵。This paper also researches on thermal elastoplastic analysis model of multilayered graded coating structures on the basis of thermal elastoplastic analysis model of trilayered materials with the focus on the structural character of graded coating. it builds the thermal elastoplastic analysis theory for the graded coating structure that has a single plastic layer or two plastic layers. it gives the analytical formulas of thermal stresses and the thermal elastic - plastic transform temperatures of graded coating that has a single plastic layer or two layers under the thermal loading
針對梯度塗層的結構特徵,在建立的三層疊層材料熱彈塑性分析模型的基礎上,對多層梯度塗層結構的熱彈塑性分析模型進行了研究,分別建立了含單個塑性層和兩個塑性層的梯度塗層結構的熱彈塑性分析理論,給出了在熱載荷作用下含單個塑性層和兩個塑性層的梯度塗層的熱彈性-塑性臨界溫度和熱應力分析公式,利用有限元分析對理論模型進行了驗證。Micro - jets impingement cooling heat sink is used to cool the high power lda owing to the very thin hydrodynamic and thermal boundary layers in the impingement region when a jet impinges on a surface. reasonable array of jets can develop the uniform of temperature distribution on target very much
微射流陣列冷卻熱沉,是利用射流沖擊在駐點區能產生很薄的邊界層來提高換熱效率的,合理的布置射流孔,可以極大的提高被冷卻表面溫度分佈的均勻性。The analysis of the large - scale synoptic situation shows that strong precipitation is closely related to the explosion of monsoon and the intensification of cross - equatorial flow which bring a lot of vapor and meet with cold masses at the eastern of northwest district on 8th, june causing extremely heavy rainfall ; that subtropical high - level jet at 200hpa, subtropical high at 500hpa and low - level jet at 850hpa are the weather backgrounds favorable to strong precipitation ; that the pattern of eastern highs and western lows and the establishment of a low - level jet and the coupling between upper - and low - level patterns that determine that the rain occurred in the east of the northwest china ( on average, this is the rainy season for the south of china, but not for the northwest china ) ; that water vapor comes from southerly and easterly flow which converge at the eastern of northwest district with convergence mainly in lower levels and pbl ; that the high value of the whole - level apparent heat source < q1 > is near the area of large rainfall in the direction of northeasterly - southwesterly agreeable to shear line very well and the condensation latent heat releasing is main heat source with vertical advection item playing key role in q1 and q2 ; that there is a vertical secondary circulation crossing low - lever jet whose ascending branch is at the area of large rainfall ; that the construction of convection instability and conditional symmetry instability results that there is not only deep thermal instability, but also moisture influx and triggering mechanism of thermal instability causing strong torrential rain
作為對比,本文還對2002年6月24 - 25日發生在北京地區的強地形雨進行了分析,並討論陜南、北京地區兩地暴雨的異同點以及地形作用的共性和個性,為兩地暴雨預報提供有益的參考,得出了一些很有意義的結果: 1大尺度環流背景分析表明: ( 1 ) 「 02 . 6 」強降水與6月上旬越赤道氣流和季風爆發密切相關,攜帶大量水汽的偏南氣流與冷空氣於6月8日交匯在西北地區東部,導致了這次強降水的發生; ( 2 ) 200hpa的副熱帶西風急流、 500hpa副高以及850hpa的低空急流的配置非常有利於本文分析之陜西強降水的發展與維持。大尺度形勢分析表明,東高西低形勢場、低空急流的建立和高低空形勢的配置決定了這場降雨出現在西北地區東部。與暴雨區相聯系,存在一支橫越低空急流的經向垂直環流,暴雨區處于該垂直環流的上升支; ( 3 )偏南和偏東氣流水汽通道在西北地區東部交匯,水汽的輻合積聚主要在對流層低層和行星邊界層內完成; ( 4 )整層的視熱源< q _ 1 >高值區在暴雨區附近呈東北-西南向分佈,與切變線走向非常一致,降水產生的凝結潛熱釋放是強降水區大氣的主要熱源。The surface of separation between the very hot core and the somewhat cooler outer layer is the radiation front.
十分熱的芯部和略為冷些的外區之間的分界層就叫做輻射波陣面。The detailed experimental investigation of the distribution and evolution of the mean velocity profile were executed. the signal of instantaneous velocity, the energy spectra of velocity and wave characteristics in the boundary layer have been analyzed
對局部加熱的水平平板下表面邊界層內的時均速度的演化規律進行了詳細的測量,同時對速度脈動信號以及速度能譜進行了分析,並對邊界層內的波動特性進行了研究。The result shows that the heat transfer coefficient within the hollow fiber module with laminar flow can be calculated based on the correlation. by analyzing the equation, it was founded that the heat transfer coefficient under laminar flow is almost independent of the feed flow rate. numerical simulation of temperature distribution in hollow fiber membrane module with laminar flow was carried out
首先採用純水為研究體系,研究分析了中空纖維管內的傳熱系數,研究表明,纖維管內的流動屬于層流狀態,其邊界層傳熱系數可用關聯式來計算,由此式看出,層流狀態下,流速對傳熱系數的影響很小。According to the theoretical and practic al simulation of isothermal and non - isot hermal movement of water and salt , and bo undary with mulch , this paper introduces the status of studying advances in simul ation and coupled modeling on moisture m ovement , heat transfer , and salt transportin soils , especially the soils with stra w mulch. based on summarizing above , the f eatures of concerned models and desirable development are discussed briefly
分別從等溫和非等溫水鹽動態模擬以及覆蓋邊界層三個方面,以秸稈覆蓋條件下土壤水、熱、鹽耦合運動規律模擬研究為重點,介紹了50年代以來土壤水熱鹽數學模擬的研究成果,並簡要論述了有關模型的特點及今後的發展方向。The efficient boundary element method is improved in this paper to deal with open multi - layer structures, and used to analyze thermal barrier coated components of aero - engine, which further enrich the former research
本文將薄體多層結構邊界元法分析推廣用於開環型多層結構分析,進一步豐富了以前的研究成果,並利用它分析航空發動機帶熱障塗層葉片熱應力。According to the theory of boundary layer and the important of boundary - layer separation point detection of delta wing, the measuring principle and structure scheme of various system alternatives based on mems technology have been discussed, selecting the prototype of better workability. base on the master piece model of micro shear stress sensor
首先,結合空氣動力學的邊界層原理,針對三角翼邊界層分離點檢測在實現主動氣動控制方面的重要性,討論了光學式、電容式和熱敏式微型剪應力傳感器的測量原理和結構方案,選取適合加工條件的微型剪應力傳感器樣件。In this paper, a boundary element method is mainly developed for analyses of the characteristic of interface crack of two - dimensional ( 2 - d ) thermal barrier coated structure
本文致力於帶熱障塗層構件的熱應力及斷裂特性分析邊界元法研究及應用。This paper discuss the effect of roughness coefficient on the tropical cyclone landfalling process using a idealized tc model developed from psu / ncar mm5 in the condition of quiescence and f - plane atmosphere. in order to understand the different influences of land and sea surfaces in the tc landfalling process, two kind of experiments had been designed : one for settled tc, the other for movable tc, and each kind consists four tests. the result indicates that the distribution of wind, precipitation, warm core and intensity of tropical cyclone has been changed obviously due to the effect of difference between the land and sea
本文利用bogus技術在psu / ncarmm5中加入了理想熱帶氣旋初始渦旋,在f -平面和無環境流場的理想情況下,設計了兩組靜態和動態試驗,通過控制試驗和不同粗糙度的登陸試驗,分別從空間和時間上探討了理想熱帶氣旋的登陸規律和分佈特徵,特別研究了邊界層中熱帶氣旋中心區域風場的垂直細致結構,並初步分析了其物理機制。Wavelengths or scales of surface heterogeneity are less than 20km. simulation results show that cbls do reach a quasi - stationary state correspondent to specified surfaces, after a long enough evolution. in this transition process and after that, horizontal statistics, i. e. mean potential temperature and vertical heat - flux, show profiles little differences to those over homogeneous flat surface. main effect of surface heterogeneity is to increase kinetic energy in cbl and the increase concentrates in the direction of surface heterogeneity. the time of cbl spent to reach its first peak of mean kinetic energy,
模擬結果表明,在充分長的時間后,邊界層達到一種適合於地面條件的準定常態。這種準定常態和向其過渡的過程中,水平平均的邊界層廓線性質,如平均位溫廓線垂直熱通量廓線等幾乎與平坦均勻地面的結果相同,或差異極小。地面非均勻性的主要作用是使邊界層動能增大,並以地面非均勻性變化方向的動能增加為主。At the same time, bem formulae for interface crack analysis of thermal barrier coated structures are given in this paper. the method to evaluate nearly - singular integrals over crack tip elements and the formulae for calculating stress intensity factors ( sif ) using open and slip displacements on crack faces are presented too
基於邊界元法、斷裂力學等基本理論,本文導出了帶熱障塗層構件界面裂紋的斷裂特性分析邊界元法公式;結合先進的近奇異積分技術處理裂尖元的近奇異積分,利用位移法計算層間界面裂紋的應力強度因子。分享友人