非穩態傳熱 的英文怎麼說

中文拼音 [fēiwěntàizhuàn]
非穩態傳熱 英文
u teady-state heat tra fer
  • : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
  • : 傳名詞1 (解釋經文的著作) commentaries on classics 2 (傳記) biography 3 (敘述歷史故事的作品)...
  1. Comparison of the instable periodic heat transfer calculation of semi - circular arch and flat roof

    半圓形拱頂與平拱頂周期非穩態傳熱計算
  2. For a soil or rock of water - lacked, a heat transfer theoretical model is developed, which is a steady or unsteady, the results show that reservoir temperature, thermal diffusion coefficient, inlet temperature, flow rate of and run time of ground source heat pumps have an effect directly on heat transfer process of dhe. it can deduce that intermit running is favorable for this type of soils and rocks

    對于貧含水地下巖土層建立了非穩態傳熱的理論模型,分析結果表明,巖土層的儲溫度、導溫系數、埋地換器進水溫度、流量以及地源泵系統的運行時間或開停機比,都對埋地換器的過程產生直接影響,可以推斷,對于該類型巖土層的地源泵系統,採用間歇運行將是有利的。
  3. Aiming at such problems in combustion system of homemade middle and miniature boiler, as a complex system with the character of dead zone, time variation, serious non - linearity, large time delay, coupling and a lot of disturbance, this paper presents a new set of optimal control resources. by using well - matched control method on system, stable automatic running is realized. having the serious divulgence coals difference a lot from each other in character, instability of chemistry, value of lowest emission of heat, home - made boiler controller is not at all ideal. instead of traditional model that controls the ratio based on proportional control or with the correct signal of the amount of oxygen, this paper, combined with intellect control theory - - fuzzy control and self - optimizing concept, propounded a kind of fuzzy self - optimizing controller to be used in air supplying system of the boiler, and expatiates on the idea of dividing the control process into two parts, dynamic and static to realize, thus meets the demand of homemade boiler economic running

    本設計針對國產中、小型電站鍋爐燃燒系統參數時變、嚴重線性、干擾因素復雜、耦合嚴重、模型不易確定的特點,提出多變量協調控制方案,解決了系統可控性差,難以實現定自動運行的問題;在此基礎上,改變以往以煙氣含氧量控制送風的統模式,針對國產電站鍋爐設備主體及一、二次送風迴路泄露嚴重,煤種混雜、成分不定、燃燒發值低、燃燒效率不高等問題,應用智能控制理論中的模糊控制技術,結合自尋最優控制的思想,設計了一種模糊自尋優控制器,應用在電站鍋爐送風控制系統上,並闡述了動靜兩種實現途徑,通過在線優化風煤配比,實現最佳經濟燃燒,切實保障了鍋爐的經濟運行。
  4. Numerical study of an unsteady transfer heat underground pipeline

    埋地輸油管道非穩態傳熱數值研究
  5. Abstract : by using the 3 - d unsteady state heat transfer equation, the heat convection and radiation between the checker and the gas which flows through the checker holes, and the heat conduction among the checker in the chamber of the hot blast stove were studied. the time dependable gas temperature and the temperature distributions within the checker were obtained

    文摘:應用三維輸方程,對高爐風爐在燃燒過程中蓄室內格子磚與氣體之間的對流和輻射,以及格子磚內部的導過程進行了耦合求解.得到了在燃燒期內格子磚及燃燒過程中燃燒廢氣的溫度分佈情況及其隨時間的變化規律
  6. Heat transfer and flow coupling calculation model of transient scenario for hot oil pipeline

    油管道工況與流動的耦合計算模型
  7. Presents the study on the cross - effect of heat and mass transfer of capillary porous media a. b. luikov set up on the irreversible thermodynamics principle with the theoretical solution of unsteady drying process given and its validity verified though experiments, and analyses using the mathematical model the influence of all factors on temperature and moisture distribution and the cross - effect of heat and mass transfer during drying processes

    針對雷柯夫建立在不可逆過程力學原理上的質方程組,著重研究毛細多孔介質內質過程中的交叉效應.得出了乾燥過程的理論解,並通過實驗驗證了其正確性,利用該模型分析了乾燥過程中各因素對內部溫度場和濕度場的影響以及交叉效應在乾燥過程中的作用
  8. According to heat load source of die cavity, temperature distribution gradient equations and heat flux equations and the peak value equations of temperature load at die cavity surface have been obtained with research of temperature distribution and transfer laws of die surface by unsteady heat transfer theory

    摘要根據鍛模型腔負荷來源,通過非穩態傳熱理論,分析研究了模具工作表面層的溫度分佈與遞規律,給出了型腔表面溫度分佈梯度和流密度公式,並給出了鍛模型腔表面的溫度負荷峰值的計算公式。
  9. According to theoretical analysis, a formula that is used in the calculation of heat transfer coefficient can be deduced and the formula is verified with experiment data

    本文通過理論分析,推導出非穩態傳熱情況下,圍護結構系數的計算公式,並且用試件試驗數據進行驗證。
  10. In this paper, a image processing method has been presented, with this method mean temperature of testing object can be arrived at from infrared picture and the interior temperature gradient of the test pieces in the situation of transient heat transfer can be got. unsteady - state heat transfer mechanism of wall has also been studied in this paper. on the basis of theoretical analysis and experimental study we can get such conclusions : infrared testing of energy conservation of buildings is rapider and more accurate than heat - flow meter method which is popular at present ; heat transfer mechanism in the situation of unsteady - state heat transfer has been analyzed through experiment ; the interior layers ’ temperature of the test pieces ascent in company with

    本文在理論分析和試驗研究的基礎上得出以下結論:本文研究的紅外檢測建築節能的方法比目前存在的流計法更快速、更準確;用試驗分析了墻體在非穩態傳熱情況下的機理;試件各層溫度隨著受面環境溫度的上升而上升,只是上升的程度不同,響應時間不同,這是由於試件內部有一個蓄過程;通過理論和建築工計算推導出了非穩態傳熱情況下的系數的計算公式;本文用matlab進行紅外圖片的處理,進而得到被測物的平均溫度;用數據處理軟體擬合溫度流。
  11. In order to simplify the computation and be advantageous for the theoretical analysis, the soil partial heat transfer analysis uses the unstable condition heat transfer model analysis research regarding the drill hole outside

    為了簡化計算,便於理論分析,對于鉆孔以外土壤部分的分析,需要採用模型分析研究。
  12. Gas flow and heat transfer in a moving packed bed of particle

    多孔介質中高溫氣體滲流數值計算
  13. This paper chose the important part of environment field, namely temperature field as research object, looking pavement structure as samdwich, according to heat conduction theory deduce the analytic solution of one dimension unstable state temperature field modified by year temperature of pavement structure in natural environment, tested by practically measure, the analytic solution of temperature field accords with the temperature distributing law of pavement structure

    道路環境場研究是路面長期性能研究的重要組成部分和基礎。本文選擇道路環境場中最主要組成部分? ?溫度場為研究對象,視路面結構為層狀體系,根據學原理推導出自然環境下經過年溫度修正的以天為周期的道路結構?維溫度場解析解,經過實測驗證,符合道路結構的溫度分佈規律。
  14. The cryogenic performance of scq and ssm superconducting magnets are investigated both at steady operation state and at unsteady state in detail, including flow and heat transfer characteristics of cooling medium, and electromagnetic, mechanical characteristics of magnets

    本文以bepc中關鍵部件scq 、 ssm超導磁體為主要研究對象,研究了超導磁體在低溫下的工作特性中的若干問題,包括冷卻介質的流動特性、機理,磁體的冷卻結構、電磁與機械性能等。
  15. Abstract : based on the heat equilibrium fundamental theory and the unsteady heat transmit equation, a numerical model of temperature field of an underwater oil storage tank was established. the numerical prediction was obtained and compared with the experimental data. the result has shown a good agreement between them

    文摘:基於對儲油罐模型試驗和溫度場變化規律的大量實測數據,並對相關參數進行優化分析,依據平衡基本原理和導微分方程,用有限差分法對非穩態傳熱進行數模計算,得到了與實驗值吻合較好的油罐溫度場計算結果,為工程設計提供依據。
  16. Abstract : according to the site condition of the bisc, a mathematical model of two - dimensional unsteady solidification and heat transfer was established for the bloom caster in the mold. the mathematical model was solved with a finite difference method to characterize the temperature profiles and thickness of the solidified shell in the mold, the effects of casting speed on thickness of the solidified shell are also studied

    文摘:根據包鋼的現場條件,建立了大方坯連鑄機結晶器內二維凝固數學模型,採用有限差分法對數學模型求解,得出結晶器中鑄坯的溫度分佈規律和凝固坯殼生成規律,同時研究了拉坯速度對坯殼生成厚度的影響
  17. This paper presents the three - dimensional nonsteady temperature field equation including transfer of mass and heat, and conditions determining solutions

    為了反映外界溫度和負載的變化,建立了含有的三維溫度場方程及其定解條件。
  18. Transient heat transfer problems for buried hot waxy crude pipelines

    埋地含蠟原油管道的非穩態傳熱問題
  19. Lii continuous casting research it is an important method to establish the heat transfer mathematical model of slab continuous casting to simulate secondary cooling process by means of two - dimensional unsteady state heat transfer mathematical model

    應用二維非穩態傳熱數學模型建立板坯連鑄的凝固模型進行模擬研究是連鑄技術研究的重要手段。
  20. The steady and dynamic states " transmission of heat differential equation were dispersed by finite volume method, and the dynamic state ' s temperature field of galvanic arm was got by making numerical calculation on the discrete equation

    利用控制容積法對方程進行離散,並進行了數值模擬,得到了一定條件下電偶臂溫度分佈。
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