heat difference 中文意思是什麼

heat difference 解釋
溫差
  • heat : n 1 熱;熱力;熱度;熱量。2 體溫;發燒。3 (氣候的)高溫,暑氣。4 【冶金】熔煉的爐次;裝爐量;一...
  • difference : n. 1. 差異,差別。2. 不和,爭論。3. 【數學】差,差額。4. 【邏輯學】特殊性。vt. 〈罕用語〉區別,使有差別。
  1. On the basis of expound the theory of building exterior - protected construction energy consumption and the gene of influence the building energy, set up mathematics model, this article discuss the mechanism of dispelling the heat of the buildings " thermal bridge and the complication that influence it, and then synthetic analysis and calculate the influence range of building thermal bridge in exterior - protected construction column thermal bridge to the building outer wall get the conclusion that when the construction column can satisfy the building stress - area, in bulgy construction column dispel less heating than out bulgy construction column. but if the pole stuck out more than 100mm, in bulgy or out bulgy make no difference

    本文在闡述建築圍護結構耗熱原理以及影響建築能耗因子的基礎上,採用數值模擬方法,探討了建築熱橋傳熱的基本機理和影響建築熱橋傳熱的因素,進而對建築熱橋在圍護結構傳熱中的影響范圍進行了綜合分析和計算,研究了構造柱熱橋型式對建築外墻能耗的影響,得出了構造柱在滿足建築受力面積要求的情況下,內凸構造柱較外凸構造柱略能減少散熱量的結論,但是凸出過大( 100mm )無論內凸還是外凸對建築耗熱都沒有大的差別。
  2. The approximation of a linear dependency between heat flow and temperature difference leads to satisfactory results.

    在熱流量與溫度差之間,近似地採用線性關系,也能得出令人滿意的結果。
  3. The stress state in the stainless steel pipe - titanium alloy pipe - nitinb shape memory alloy connector system is analyzed by using the theory of solid mechanics and the recovery rules of nitinb shape memory alloy with constrains on the basis of analysis of the structure of the connector system and the all steps in the preparation and the service. a mathematical model for the strength was proposed. the temperature dependence of connecting force and the maximal stress intensity in the pipe connector in the process of preparation and service was studied by programming and computing. the computing results show that the difference of heat expansile coefficient between the coupling material and the pipe material leads to the strength of connector system at room temperature less than the strength at high temperature

    通過分析管接頭結構以及制備、使用的各個步驟,運用固體力學的基本理論,結合nitinb形狀記憶合金在約束下的回復規律,對不銹鋼- -鈦合金管- -四川大學碩士論文nitinb形狀記憶合金管接頭系統內的應力狀態進行了理論分析,建立了強度的數學模型,通過編程計算,研究了不銹鋼一鈦合金管一nitinb形狀記憶合金管接頭系統裝配及使用過程中的抱緊力以及最大應力強度隨溫度變化的規律。
  4. Heat sink for power semiconductor device part 2 : measuring method of thermal resistance and input fluid - output fluid pressure difference

    電力半導體器件用散熱器第2部分:熱阻和流阻測試方法
  5. The difference of reactive mechanisminduced the difference of their structure. v _ 2o _ 5 product prepared by melting - cooling showed more notable undefined structure. after heat - treating under300, particle size becomes smaller, and aggregate to globate grain, showesbetter electrochemical performance at low charge - discharge rate

    熔融淬冷法合成的樣品其無定型結構更明顯,前驅體經過300熱處理后,材料的粒徑變細,團聚成球狀的顆粒,球狀特徵更顯著,在低倍率下具有較好的電化學性能。
  6. 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程序平面版本基礎上,推導了三維柱和球幾何中激光驅動的物理方程和相應的差分方程,編制了二維和三維柱和球幾何中激光驅動流體不穩定性的lared - s程序版本,主要物理過程包括:激光逆軔致吸收、電子熱傳導和流體運動。
  7. Based on the refrigerant state, divides a heat exchanger into three zones with zoned lump method, i. e. superheat, two - phase and subcooling zones, works out the temperature difference and heat transfer coefficients of the three zones

    採用分區參數法將換熱器按製冷劑狀態分為過熱、兩相、過冷三區,分別計算了各區的換熱溫差、傳熱系數等。
  8. It shows that the injection quantity and the difference of temperature distribute as a parabola which is at the same load, and the minimum of the parabola corresponds to the optimum quantity of injection ( g ). under the condition that the quantity of injected mass, the air speed and the heat quantity is respectively g, v and q, the research demonstrates that the pentium iv chip ' s temperature variation can be controlled under 40c and work normally when the wind speed overpass 1. 5m / s and the power dissipation of the chip is 60w. otherwise this paper calculates the flooding limit of thermosiphon with several different methods

    對其充灌量、散熱量、電子元件( cpu模擬晶元)表面與環境溫度之差及通風、流速的影響進行了系統的測試,發現充液量與溫差的關系在負荷不變時呈拋物線分佈,其極小值點對應的充液量是最佳充液量g 。在充液量為g時,對風速v 、散熱量q進行的研究表明,當風速超過1 . 5m / s后,奔騰晶元在60w發熱條件下晶元溫度小於40 ,能滿足長期正常工作。
  9. This experiment focuses on the characteristic of green refrigerant r600a in a small parallel flow aluminum closed two - phase thermosiphon and measures all the quantity of injected mass and heat dissipation, the speed of air and the difference of temperature of the electronic element ( cpu simulate chip ) surface and environment

    處理速度達到g數量級,功率消耗更達幾十瓦。如何解決cpu散熱問題,成為關注的焦點。本實驗首次研究了綠色環保工質r600a在一種鋁質重力熱管中的工作特性。
  10. The study on difference of heat transmissibility between obverse and reverse direction of silk velvet fabric

    絲絨織物傳熱性能的正反向差異
  11. 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。
  12. In chapter 5, we extent the results of the finite difference domain decomposition algorithm of paper [ 13 ] for two dimensional heat equation and give some numerical results

    在第五章,我們在二維熱傳導方程求解上擴充了dawson等人的區域分解演算法。給出了關于演算法計算精度的數值結果。
  13. 2. the temperature field got from macroscale theory and microscale theory are similar in the microscale theory, two demension heat transfer model is considered, and the temperature difference of the fluid between central axis and nearby the wall is considerably big. 3

    2 、兩種理論模型得到的溫度分佈趨勢基本一致,但微觀尺度理論考慮到流體的二維換熱,通道中心軸線處的流體的溫度與靠近壁面處流體的溫度有較大的溫差。
  14. As the microbolometer which is voltage biased express some characters different from other infrared detectors under the effect of electric heat and infrared radiation together, the computing method of parameters, such as responsivity, noise, noise equivalent temperature different ( netd ), noise equivalent power ( nep ), optical gain, detectivity and so on is given in this paper. some of these parameters are particular compared with other detectors, and some have difference between microbolometer and other detectors

    由於微測輻射熱計在施加偏置電壓的情況下,電熱效應與紅外輻射的共同作用使它表現出與其他紅外探測器完全不同的一些特徵,文中給出了響應率、噪聲、噪聲等效功率、噪聲等效溫差、光學增益、探測率等參數的計算方法,這些參數中的部分是微測輻射熱計獨有的,或者與其他的紅外探測器的同一參數有所區別。
  15. 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、嚴重非線性、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,難以實現穩定自動運行的問題;在此基礎上,改變以往以煙氣含氧量控制送風的傳統模式,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、成分不穩定、燃燒發熱值低、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,並闡述了動靜態兩種實現途徑,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。
  16. ( 3 ) temperature field and residual capacity of reinforced concrete member after fire studied by the numbers, various boundary conditions of heat exchange equation and the solutions of them given an account, the formulae of the residual capacity of the members after fire established, the program of temperature field programmed on the basic of finite difference algorithm, a case given to demonstrate

    ( 3 )對火災后構件溫度場的分佈和剩餘承載力的計算進行了系統地分析和研究。討論了熱傳導方程的各種邊界條件及相應的解法,建立了不同構件的剩餘承載力計算公式,並結合工程實例用有限差分法編制了相應的溫度場計算程序,與實例吻合良好。
  17. Consequently, the temperature difference is lessened and heat exchange is reduced.

    其結果溫度差別就減小了;熱交換減低了。
  18. The heat exchange with the reservoir is good and the temperature difference is only small between the bottom and top of the reservoir.

    熱儲內部的熱交換良好,熱儲頂部和底部的溫度差極小。
  19. The rate of heat flow between any two points increases with difference of temperature.

    任何兩點間的熱流動速率則隨溫差的加大而增加。
  20. Contrasting the results of simulation and the experiment for depositing the 3 inch thin films by icds technique, the center position of substrate and the target is in a 18mm offset, the thickness distribution homogeneity is under 8 %. based on the analyses of the theoretic heat distribution for the radiant heating system, a 3 inch size radiant heater fitting for the requirement is designed and made, whose temperature difference is under 6 %

    其次,對3英寸范圍內的膜厚分佈進行了理論模擬,在此基礎上和試驗結果對比分析,發現:在倒筒靶直流濺射裝置下,如果採用一種讓基片中心和靶中心處于相對偏心距離為18mm的位置來制備3英寸薄膜,其膜厚分佈的均勻度范圍控制在8以內。
分享友人