熱平衡表 的英文怎麼說
中文拼音 [rèpínghéngbiǎo]
熱平衡表
英文
balance sheet of heat-
The result shows that all these system are simple eutectic, at the same time, the entropy of phase change of every system in the eutectic point is determined by using differential scanning calorimetry ( dsc ) on the basis of experimental research, through the improved one - parameter margules equation by introducing a new variable temperature, the improved equation was designed to compute solid - liquid equilibrium
測定結果表明，這幾組體系均為簡單低共熔體系；同時利用差熱掃描量熱法（ dsc ）對上面各組體系低共熔點處的相變焓進行了測定。在實驗研究的基礎上，通過改進單參數margules方程並引入新的變量溫度，達到了將此方程用於固液平衡計算的目的。This article choosed out organic phase change materials, and, the solid - liquid - equilibrium of eleven binary system including fatty alcohol / fatty acid, n - octadecane / fatty acid, n - octadecane / fatty alcohol system were determined by cooling curve, and, t - x phase diagrams of these systems were drawn. the result shows that all these systems are simple eutectic, at the same time, the entropy of phase change of every system in the eutectic point is determined by using differential scanning calorimetry ( dsc ). and n - octadecane / fatty acid systems were calculated theoretically
本文初選出部分有機相變貯能材料，採用步冷曲線法測定了12醇-羧酸系列、 18烷-羧酸系列、 18烷- 12醇體系共11組體系的二元固液相平衡關系，繪制了這11組體系的t - x相圖，測定結果表明，這幾組體系均為簡單低共熔體系；同時利用差熱掃描量熱法（ dsc ）對上面各組體系低共熔點處的相變焓進行了測定；並對18烷-羧酸系列進行了熱力學理論預測。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，討論了環境位溫與熱成風因子對中尺度對稱不穩定的影響。運用解析的方法求出了擾動流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熱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流非線性攝動分析及演變方程。The temperature distribution on the high temperature side of an electric tunnel furnace is analysed and simulated on the basis of the principle of thermal radiation by the way of thb ( thermal heat balance ). the heated silicon carbon sticks are decomposed into innumerable tiny heating faces, which exchange the heat with the heated materials. a numerical model based on the radiation intensity law is constructed to calculate the energy absorbed by the heated materials and simulated by a computer. the results showed that the even distribution of temperature can be obtained by optimizing the arrangement of the silicon carbon sticks according to the calculation results to make the structure design more reasonable. these calculation results have been used in the practical designs and the expected objectives achieved
利用熱輻射原理，採用熱平衡法對電熱隧道窯的高溫恆溫區溫場進行了分析和模擬.計算中將發熱棒分解為無數微元發熱面與燒結體進行熱交換，依據輻射強度定律，建立了燒結體接收能量的數學模型，並用計算機進行了模擬計算.結果表明，依據模擬結果來優化硅碳棒的排布，可使結構設計更加合理，進而可以獲得分佈均勻的恆溫區溫場.計算結果已在窯爐設計中應用，實踐效果良好A transfer model is established, which can be used to study the interaction between the land surface physical processes of inhomogeneous region and the structure of atmosphere boundary - layer over urban and rural terrains. the model has simulated surface heat flux, surface temperature, temperature profiles, height of mixture layer and so on. and the differences between urban area, suburban area and rural area have been compared. this model mainly depends on the parameters below : surface albedo, surface roughness coefficient, moisture available coefficient of soil, thermal capacity and thermal diffusion coefficient of errain, cloudage. the result shows that this model can simulate the structure and eigenvalues of atmosphere boundary layer and their changes in a day. parameters used in this model aim at beijing city, and the time is at the beginning of september. to other cities, or other time, the parameters should be adjusted accordingly. in addition, being adjusted, the model can also be used for other homogeneous and inhomogeneous terrains
模式主要依賴于以下參數和物理量：地面反照率下墊面粗糙度土壤的可含水量下墊面的熱容量和熱擴散系數雲量等參數。結果表明，本模式能合理地模擬不同地表熱量平衡地表氣溫混合層高度湍流交換系數湍流動能位溫廓線等，以及它們的日變化。該模式所取參數主要針對北京市，時間為九月初，對于其他城市，參數應作相應的調整。In the paper, with system energy balance method and heat conductive equations ， on tne basis of short time heat transfer modeling established the long time modeling, considering heat interference in thermal well group. this paper used the finit element method for element division and computer analysis, and provided the operation temperature figure. acquired computation values agreed well with experimental results, the most difference between them was 5. 13 %
本文採用系統能量平衡結合熱傳導方程，在淺埋套管式換熱器短期傳熱模型基礎上建立了長期傳熱模型，並考慮了管群熱干擾對模型的影響。並運用有限單元法軟體編程進行離散和計算機分析，得出模擬溫度場，其模擬值與實測的均值基本相符，兩者最大誤差小於5 . 13 % ，表明該模型具有一定的合理性和實用意義。To this area precipitation materials for many years, evaporate materials, surface flow materials, hydrometeorological materials, hydrogeological materials carry on exhaustive analysis, have analysed the state of water resource of the sand district, proceed from the heat of the earth ' s surface is balanced, water yield balanced basic theories, combine the amount of regional water resource set up of the materials, such as scene, hydrology, soil of the sand district, etc. and estimate models, have calculated the surface water, groundwater of this area, has carried on models to examine according to the real data, and has predicted to the state of water resource under different climate change scenes of future that analyse. have put forward the scheme that the water resource in this area utilized rationally, use the non - linear motive force model to predict the precipitation, utilize the materials of actual observation, the natural supply amount of calculating out groundwater of sand ground of balanced principle of the amount of water used at the same time, and can exploiting amount predict to groundwater, district of sand,
本文以寧夏半乾旱地區鹽池縣沙地水資源為研究對象，對該地區多年降水資料、蒸發資料、徑流資料、水文氣象資料、水文地質資料進行了詳盡的分析，分析了沙區的水資源狀況，從地表熱量平衡、水量平衡的基本理論出發，結合沙區的氣象、水文、土壤等資料建立了區域水資源量估算模型，計算了該地區的地表水、地下水，根據實際資料進行了模型檢驗，並對未來不同氣候變化情景下的水資源狀況進行了預測分析，提出了該地區水資源合理利用的方案，運用非線性動力模型對降水量進行預測，同時利用實際觀測資料，運用水量平衡原理計算出沙地地下水的天然補給量，並對沙區地下水可開采量進行預測。In this paper, high heat penetration into a moving particulate bed is described mathematically with a comprehensive heat and mass transfer model. the distribution of gas velocity and pressure, the temperature field of gas and solid in the moving particulate bed are examined for different conditions. the results show that thermal penetration into the moving packed - bed particles by fluid flow in porous media is high only in the position near the gas entrance. the thermal penetration thickness tends to increase with the fluid flow velocity and decrease with the particle moving velocity. in the region of thermal penetration, the porosity of solid bed has significant effect on gas field and pressure loss. it is feasible to reduce the gas pressure loss by a larger width / height packed bed in design and operation. the correspondence between thermal infection depth and particle bed height would be helpful to keep high oapacity of reactor and reduce the cost of operation
針對移動顆粒床中物料層內的高溫氣體滲流傳熱現象，考慮滲流與傳熱的相互作用，採用局部非熱平衡假設建立了多孔介質滲流傳熱物理數學模型並進行了數值計算.研究了不同情況下床內填充多孔介質中的流速、氣固溫度和床層壓力損失.計算結果表明，高溫熱氣對移動床顆粒料層的熱滲透主要發生在滲流入口端區域，增大入口滲流速度以及減小床層物料下移速度將導致物料溫度沿床高慢速下降，熱滲透深度擴大，熱滲透作用區域內的物料溫度水平提高.在熱滲透作用區域，孔隙率對流場和壓力損失有很大的影響.研究結果對于移動顆粒床反應器的設計與運行具有一定的參考作用The results indicated : 1 ) the friction interface can transfer continuously and stably with the imbalance cooling thermo - induce. ultra - fine grain column part can be prepared through it. and ultra - fine grain flat part can be obtained through jointing several ultra - fine grain strips in cooling friction stir processing 2 ) the refined grain size and the hardening result are mostly affected by the rotate speed, the friction press and the deformating temperature
實驗結果表明： （ 1 ）通過不平衡冷卻的熱誘導作用，實現了棒材摩擦界面的持續、穩定轉移，得到了棒狀超細晶組織；通過強冷攪拌摩擦工藝進行細晶帶合併，能夠得到板狀的超細晶組織。Especially, global transformation, the water balance, carbon balance and drought forecast in district, etc, which all require quantitative surface flux. by all appearances, these fluxes all do n ' t need to be distributed in spots, but in area
尤其全球變化、區域水分平衡、碳平衡和區域旱災預報等等都需要定量的地表通量信息（輻射通量、顯熱通量、潛熱通量、土壤熱通量） 。顯然，這些通量均要求區域分佈的而不是單點數據。The process of flashing involves ionization on the dirty surface concerning the factors of electric, heat and chemicals, thermal dynamic equilibrium process of local electric arc occurrence and development
污閃是一種與電、熱和化學因素有關的污穢表面氣體電離及局部電弧發生、發展的熱動力學平衡過程。It is reasonable and practicable that the equilibrium relationship between the gas relative humudity and the moisture of the pile is introduced into the mathematical simulation in transient process of the spontaneous heating
結果還表明，把氣流相對濕度與煤堆含水量之間的平衡關系引入自熱過程的非穩態數學模型，不僅是可行的，而且能夠更客觀地描述實際煤堆的自熱過程。The membrane properties were found to be dependent upon the content of styrene. the membrane physic - chemical properties compare to nafion 117 except that their chemical stability has to be further improved to make them acceptable for practical use in the proton exchange membrane fuel cell. the proton transport through the membrane follows the " liquid - like " proton conductivity mechanism y and the water balance is important for the working condition of the fuel cell
對磺化膜的研究分析表明：膜的性能參數如離子交換容量、吸水率、水合系數、形體穩定性、導電性能、化學與熱穩定性等依賴于膜中苯乙烯含量，且接枝苯乙烯相互間的位阻效應對膜性能影響很大；膜的性能可與nafion膜相比較；質子在膜中的傳導遵循「似液體」質子傳導機理；電滲析與擴散作用使膜保持水平衡。Based on the one - dimensional energy equations of the terrain, the ir field model was improved to be able to take various processes of the heat exchange among different parts of terrain into consideration
摘要改進了以地表一維熱平衡方程為基礎的地表紅外輻射場的理論模型，該模型考慮了具有不同地形的地表微元之間通過反射和透射等多種形式進行能量交換的物理過程。Based on the observation data such as coads and soda, the main climatological features of the tropical indian ocean and relationships of sea surface temperature ( sst ), heat budget with ocean dynamics and thermodynamics processes are analyzed ; the seasonal and interannual variability of the tropical indian ocean are well simulated using a ocean general circulation model ; based on the thermal equation and model output data, the variation mechanism of sst and heat budget are investigated in the tropical indian ocean ; besides, the effect of seasonal variation of wind stress, ekman pumping and horizontal diffusivity on the ocean current and heat budget are studied, using both ideal model and complex model
本文根據coads 、 soda等實際觀測資料，較全面的分析了熱帶印度洋主要的氣候特點，並研究了海表面溫度（ sst ） 、熱收支與海洋動力、熱力過程的聯系；利用全球海洋環流模式較好地模擬出熱帶印度洋的季節和年際變化；基於熱力學方程和海洋環流模式輸出結果，探討了熱帶印度洋sst和北印度洋熱量收支的季節和年際變化機制，進一步揭示了海洋動力過程在北印度洋熱平衡中的重要作用；在此基礎上，利用理想化的數值試驗與數值模擬結果相結合的方式，證實了風應力的季節變化和ekman抽吸，以及水平熱量擴散系數對北印度洋海洋環流和熱收支的影響。Some element results of the model were extraced to determine the values of power dissipation on different surface. thermal resistances theta jc, psi jb and psi jt were also calculated
在求解溫度場分佈的基礎上提取封裝表面單元計算結果進行熱平衡分析，比較封裝各表面的熱量發散比例。Tooth surface temperature and thermal equilibrium conditions have significant effects on gear performance and failure as well as lubrication system in high - speed gear transmissions for aerospace applications
高速重載齒輪傳動系統的熱平衡狀態以及輪齒表面溫度的大小對齒輪傳動的性能與失效以及齒輪潤滑系統的設計與操作控制等有著重要的影響。The equilibrium thermal radiation in a flat space - time or a curved space - time behaves like planck black spectrum represented with coordinate quantities. we regard the fact that the radiation from a thermal equilibrium system shows planck black spectrum as a basic physics law, from which it is demonstrated that the transitivity of clock rate synchronization is equivalent to the zeroth law of thermodynamics. the condition of clock rate synchronization is weaker than that constructing simultaneity surfaces. in the space - time satisfying the condition of clock rate synchronization, the zeroth law of thermodynamics is valid. on the other hand, in the space - time where the zeroth law is valid, one can define an identical clock rate
平直或彎曲時空中的平衡熱輻射，表現出用坐標量表示的普朗克黑體譜.把熱平衡系統的輻射具有普朗克黑體譜作為一條基本的物理規律，以此為基礎，論證鐘速同步的傳遞性等價于熱力學第零定律.鐘速同步的條件比建立同時面的條件要弱.滿足這一條件的時空，熱力學第零定律在其中成立.第零定律成立的時空，一定可以定義統一的鐘速Based on the thermal conservation principle, a thermal net model is established for the heated space, which can undergo dynamic analysis to the thermal environment of heated space and go on the heating system performance assess
本文將根據室內空氣和圍護結構內表面的熱平衡，建立一描述採暖房間室內傳熱過程的熱網模型，基於該熱網模型，可以進行採暖空間熱環境動態分析和採暖系統能耗分析評價。Abstract : a numerical model and experiments over pmma are used to evaluate the main assumptions used in the theoretical description of a diffusion flame established in a natural boundary layer. flow characteristics ( 2 - d boundary layer ) and surface thermal balance are identified as the critical assumptions to be evaluated. comparison of experiments, numerical results, and theoretical model serve to validate the assumptions leading to the definition of a mass transfer number but establish the need to model all three - dimensional features of the flow
文摘:對pmma進行數字模擬和試驗，對描述自然邊界層擴散火焰理論的假設進行評價.我們把流動特性（二維邊界層）和表面熱平衡作為評價的關鍵假設.試驗、數字模擬和理論模型證實了對質量傳遞數值定義的假設是正確的，但研究也表明，有必要對流動特性進行三維模擬分享友人