熱流方程 的英文怎麼說

中文拼音 [liúfāngchéng]
熱流方程 英文
heat flow equation
  • : 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...
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
  • 熱流 : 1 (激動振奮的感受) warm current 2 [氣象學] thermal current; [熱學] heat transmission; thermal f...
  1. 2. dynamic meteorology : equations of motion ; geostrophic, ageostrophic and gradient winds ; thickness and thermal wind ; continuity equation ; stream function ; vorticity equation ; divergence equation ; omega equation ; rossby wave ; ekman layer ; numerical weather prediction

    2 .動力氣象學:運動地轉風非地轉風及梯度風厚度及成風連續函數渦度輻散奧米茄羅斯貝波埃克曼層數值天氣預報。
  2. Second, we discuss the influence of environmental referance potential temperture and thermal wind on mesoscale symmetric instability. we find the expression of disturbance stream function and criterion of symmetric instability by analytical method and conclude that change caused by environmental referance potential temperture with height and thermal wind make critical richardson number and disturbance critical half - wave length of symmetric instability larger, that is to say, they benefit the occurance of symmetric instability. third, we study nonlinear perturbation analysis of mesoscale vertical circulation and evolution equation by means of f - plane. non - hydrostatic balance and filiter model

    第二,討論了環境位溫與成風因子對中尺度對稱不穩定的影響。運用解析的法求出了擾動函數的表達式和對稱不穩定的判據,發現環境參考位溫隨高度的變化與成風因子使得對稱不穩定臨界理查遜數及擾動的臨界半波長都變大,這有利於對稱不穩定的發生。第三,採用f平面、非靜力平衡、濾聲波模式,討論了中尺度垂直環非線性攝動分析及演變
  3. This paper use the ncep / ncar day - to - day reanalysis data of 500hpa high field and so on, choose ural mountain, baikal, okhotsk as the key district, the mid - high latitude of eurasia circulation courses that have long duration ( scale of time is middle, namely during 10 - 30 day ), maybe continue continuously after being intermittence of 1 - 2 days in middle, appear repeatedly is for research object, define an index " i " of the circulation pattern over mid - high latitude of eurasia. a method is proposed to identify the summer typical persistent circulation pattern at 500hpa levels over eurasia mid - high latitude. the climate characteristics of those typical persistent circulation patterns are studied

    本文利用ncep / ncar再分析逐日500hpa高度場等資料,選擇烏拉爾山、貝加爾湖、鄂霍次克海這三個地作為關鍵區,以夏季歐亞中高緯度持續時間長(時間尺度屬于中間時間尺度,即10 ? 30天之間) 、中間可能會間歇1 、 2天然後又繼續持續、反復出現的環為研究對象,定義了一個夏季歐亞中高緯型指數,在此基礎上提出了一種對夏季歐亞中高緯500hpa典型持續型的界定法,研究了典型持續型的氣候特徵,分析了型指數的年代際變化,以及對應不同階段、不同型的降水場、加場、海溫場等的主要特徵。
  4. In this article, physical equations and relative three - dimensional finite - difference formulae in cylindrical and spherical geometries were derived and two - and three - dimensional code in cylindrical and spherical geometries for direct - drive by laser was made, based on the lared - s code in planar geometry. it consisted of the processes such as the inverse bremsstrahlung absorption, electic heat conduction and fluid dynamics

    本論文在lared - s序平面版本基礎上,推導了三維柱和球幾何中激光驅動的物理和相應的差分,編制了二維和三維柱和球幾何中激光驅動體不穩定性的lared - s序版本,主要物理過包括:激光逆軔致吸收、電子傳導和體運動。
  5. The saturated densities, vapour pressures, and latent heats of vaporization for hfc working substances of refrigeration are calculated by using a set of general equations of thermophysical property of liquids

    摘要應用一套通用型物性對hfc類致冷工質的飽和密度、蒸汽壓和汽化潛進行計算。
  6. Based on researching the shaft bearing replacer, this paper built the models of electromagnetic field and vortex density in bearing race snap being induction heating

    摘要在研究軸承內環感應拆裝的基礎上,建立了感應加中工件內電磁場和渦分佈的基本
  7. Adopted numerical value integral method into the explain of the basic heat - conduct differential equation based the stabilization flow. get temperature changes rule of the cold - blowing and hot - blowing period of the cold - cumulating and dry - able tin

    採用數值積分法對基於穩定的基本傳微分組進行求解,進一步了解了影響蓄冷器效率的主要因素。
  8. And experimental study on the heat transfer performance and pressure drop characteristic of the process of bubbling evaporative cooling are carried. as there are so little attention and studies on the process bubbling evaporative cooling about heat transfer in the world at present, this paper mainly deals with the effects of the different bare tower velocity, weir height, heat flux density and plate perforation geometries on the heat transfer coefficient and the pressure drop of the process of air flowing

    由於目前國內外對鼓泡蒸發冷卻過在換面的關注和研究較少,本文對不同空塔速度、不同堰高、不同密度、多孔板的不同幾何尺寸對換系數及空氣動過阻力的影響進行了實驗研究及理論分析,總結了本實驗條件下換及阻力的實驗關聯式。
  9. Abstract : there are offered many ways how to improve work of a spark plug. but one of the m ost important problems has not been solved yet. this is a thermal mode operation of a spark plug. the ideal spark plug should be instantly heated at the moment of occurrence of a spark and instantly cooled down in expectation of the foll owing electrical pulse. thus it balances between preservation of heat for self ? c leaning from scale and its removal in avoidance self ? ignition. in this article a uthor managed for this time to offer a spark plug with capability “ self ? regula tion ” of heat flux removed from a zone of ignition. essence of the offer is a t ip , which is transparent for heat flux. it is produced from single crystal of sap phire

    文摘:在如何提高火花塞的工作質量面有多種法,但是其中最重要的一個問題還沒有得到解決,那就是火花塞工作的學模型問題.理想的火花塞應該能在點火的瞬間被立刻加,並且在接下來的電脈沖過中迅速冷卻,由此在量的存儲與散發之間取得平衡,以避免自點火.本文力圖展示一種具有自動調節源於點火區域能力的火花塞,其技術的關鍵是頂部絕緣體材料,它是由藍寶石單晶製作,而非傳統的氧化鋁陶瓷
  10. The control of beam halo - chaos becomes a critical problem in the development of high intensity accelerator. efforts to remove the halo by collimation have been largely unsuccessful since the halos almost always regenerate. the mechanisms of halos are complex, such as nonlinear resonances and chaotic behavior etc. considering this, professor fang jin - qing who works in china institute of atomic energy pointed out that the theory of chaos control can be used to control beam halos. he presented the method to control halos by using nonlinear functions, which means nonlinear function g is added to the right of ion radial self - edlctric force equation and some nonlinear function are selected to control beam halos in simulations. in paper [ 69 ], controllerg = - 0. 15sin ( rmax - am ) 2 was used and the halo intensity was decreased to 0. 1078, the halos are removed partly

    束暈?混沌的控制是新一代強加速器研製的關鍵問題,隨著強離子束應用前景的日趨廣闊而日益成為研究的點。傳統機械限束器因無法解決束暈的再生而收效甚微,因為束暈的形成有著其內在動力學機制?非線性共振以及混沌等。基於此,中國原子能科學院研究員錦清將混沌控制的理論和法開創性的運用於束暈?混沌的控制上,提出了控制束暈?混沌的非線性控制策略,即在粒子徑向所受束自生場力的右邊加上非線性控制函數g :並選取一些非線性函數如等進行了控制的模擬研究,將束暈強度控制在0 . 1078左右,取得了初步的控制效果。
  11. The tests were conducted in the hypersonic low density wind tunnel at nominal test conditions of mach 16, stagnation temperature 923k, stagnation pressure 1. 40mpa and 7. 30mpa. heat - transfer data were obtained on a hemisphere model, a sharp cone and a big blunt cone respectively by means of infrared thermal mapping techniques, that of a 0. 5mm thickness blunt cone by virtues of thermocouples. furth ermore, heat - transfer on all those models was calculated with the theoretical method

    最後在名義m _ = 16 、 t _ 0 = 923k 、 p _ 0 = 1 . 40mpa及7 . 30mpa的高超聲速低密度風洞中,利用紅外圖技術獲得了半球圓柱、尖錐、大鈍頭三個模型表面分佈,利用薄壁法技術得到了一壁厚為0 . 5mm的鈍錐模型表面的分佈,並通過工理論法計算了模型表面的氣動,把理論計算結果與上述試驗結果比較,幾者符合得較好。
  12. Analysis is made on structure characteristics of the finned - tube, and analysis has been made on the special heat and mass transfer principle of every micro - unit under both dry and wet conditions. appropriate hypothesis is made and based on the energy, mass and momentum equivalent, the evaporator models of dynamic distributed parameters are set up. in addition, the gascooler and internal exchanger models of dynamic and distributed parameters, the throttling valve models and the compressor models are set up, too

    本文的內容如下: 1對翅片管蒸發器的結構特點進行分析,選取適當的微元體,對于干、濕工況下每個微元分別進行傳傳質分析,通過適當的假設,利用質量守恆、能量守恆和動量守恆建立了蒸發器的分佈參數數學模型;對回器劃分微元建立了分佈參數數學模型;對氣體冷卻器建立了分佈參數數學模型;對壓縮機建立了數學模型;建立了節閥的數學模型,為系統模擬奠定了基礎。
  13. The interior temperature distribution and ablation model of projectile wing is established from general transmitting heat differential equation ; at the same time, the heat flow density and pressure distribution model of projectile wing is also established

    從一般形式的導微分出發,逐步建立了彈翼內部溫度分佈和燒蝕的數學計算模型;與此同時,建立了彈翼表面的密度和壓力分佈的數學模型。
  14. Velocity variation is positively correlated with crust thickness and negatively correlated with earth ' s heatflow. the linear regression equation of velocity, crust thichness and heatflow is obtained. the regression coefficient dv / dp convert

    同時地震波速廠與地殼厚度h呈明顯的線性正相關關系,與大地呈負相關關系,並得到三者的線性回歸,回歸系數dv dh換算成bv op ?
  15. Abstract : thermally induced stress and the relevant warpage cause by inappropriate mold design and processing conditions are problems that confounded the overall success of injection molding. a thermorheologically simple thermoviscoelastic two - dimension material model is used to simulate the residual stress and warpage within injection molded parts generated during the cooling stage of the injection molding cycle. the initial temperature field corresponds to the end of the filling stage. the fully time - dependent algorithm is based on the calculation of the elastic response at every time step. numerical results are discussed with respect to temperature and pressure

    文摘:不均勻的殘余應力及其變形是注塑成型加工中常見的工問題之一.應用變簡單材料的二維粘彈本構得到的遞推公式,數值模擬了成型中的殘余應力及其翹曲變形,並用數值實驗討論了溫度、壓力對注塑件殘余應力及變形的影響,發現溫度變化不均勻是注塑件翹曲變形的最主要原因,其影響遠大於壓力的作用,與工實驗的結論一致
  16. For the ten years of late, the cellular automata has made the new progress in hydy nimiee dynamices. by gaining the moment equations from lattice boltzmann equation and using chapman - enskog expansion, the fluid dynamices equation and energy equation of 13 - bit lattice gas automata model with polyvelocity have been deduced. the validity of the model using for non - isothermal fluid dynamics has been proved

    近十年來,細胞自動機已在體力學的研究中取得了進展,應用13 - bit多速格子氣自動機模型,在由格子boltzmann求得矩的基礎上,根據chapman - enskog展開法,導出了該模型的宏觀體力學,從理論上證明了所建模型對體力學問題描述的正確性。
  17. In the last part, an experiential formula for nondimensional thermal stratification height is obtained, which includes inlet temperature t, inlet velocity v, heat transfer of the wall body q and the distance of heat source l. in order to obtain a more realistic result, the ? model is used to simulate the airflow and the buoyancy item is treated by boussinesq hypothesis. the paper investigates the flow field of the displacement ventilation in an office by a numerical method

    模型為基礎的壁面函數處理法,對浮升力項採用了boussinesq假設,得到了收斂的溫度場、速度場分佈。在此基礎上,給出了力分層高度的計算法,並分析了送風溫度、送風速度、圍護結構傳源分佈等因素對力分層高度的影響。
  18. To the large - scale atmosphere, we separate the terms of the horizontal vorticity converting into the vertical vorticity, which considered as the baroclinic terms, from the terms that not including horizontal vorticity by the rules of the p coordinate transforming to the z coordinate in the traditional vorticity equation, and carry out the scale analysis, and then conclude that the baroclinic terms are able to reach the same magnitude grade as the partial derivative of the vertical vorticity to time when it takes place the large scale precipitation in the summer monsoon period in china. by analyzing the game reanalysis data from april to august in 1998 in the region of chinese continent, we found that the baroclinic terms is important to the large - scale cyclone developing above the 600hpa, and the magnitude changing of the baroclinic terms is nearly in - phase as the monsoon movement, so which imply exactly that the magnitude changing of the baroclinic terms is the one of the natural characters of the summer monsoon evolution and equivalent to the movement rule of the subtropical high of the western pacific

    在p坐標垂直渦度中,利用p坐標向z坐標轉換的公式將水平渦度向垂直渦度轉化的所有項分離出來,這些項具有明顯的斜壓特徵,對其進行尺度分析后,得出在可以忽略潛釋放對渦度影響的對層中、高層,此轉化項是大尺度斜壓渦度發展的重要項。通過對1998年48月的game再分析資料進行實際計算也發現,轉化項在東亞夏季風上升支的600hpa及以上層次對垂直渦度的局地變化貢獻很大,不能忽略。同時發現水平渦度向垂直渦度的轉化在南海季風爆發時和江淮梅雨入梅及發展過中均有指示性意義,在南海季風爆發以後,在中國東南部地區,轉化項的大小與夏季風的活躍和中斷等活動有著幾乎一致的變化規律,這從側面也指出了,此轉化項的變化是夏季風演變所具有的本質特徵,並且它反映出了西太平洋副高在中國大陸的活動情況。
  19. The concept of convection transport is proposed to " see " the nature of the convective phenomena. the ability to see is very attractive, for the engineers and customers are much convinced by their seeing. unified convection transport functions ( streamfunction, heatfunction and massfunction ) are derived from the governing equations to describe the fluid, heat and mass transport respectively

    作者在對控制的基礎上定義了描述體、、質傳輸統一的對傳輸函數(函數、函數、質函數) ,並分析了傳輸函數及其傳輸路徑(線、線、質線)的基本性質。
  20. The hot dry rock geothermal energy is a r. ew clean energy and have excellent development prospects, but is not yet exploited on large - scale in our country then to mankind : the theories and technique of the heat extraction all belong to the new task in the new field, and already have a strong appeal to the international technology worker, and already have obtain certainly achievement, on the basis of study by our predecessors, this paper do the as follows work, acquire the following main result : lx present a many fields coupling mathematics model for solid - flow - heat of 3d blocked medium in hdr

    高溫巖體地是我國以至人類尚未大規模利用而又極具廣闊開發遠景的新的潔凈能源,對其進行開發利用的理論與技術都屬于新型領域的新型課題,已經吸引了大批的國內外科技工作者的投入,並取得了一定的成果。在前人研究的基礎上,本文做了如下工作,獲得了如下主要成果: 1 、建立了高溫巖體地開發的塊裂介質固、多場耦合數學模型,模型控制包括完全耦合的變形、滲傳導與對,描述了儲層的非線性特性。
分享友人