表面熱傳導 的英文怎麼說

中文拼音 [biǎomiànzhuàndǎo]
表面熱傳導 英文
surface heat transfer
  • : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : 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)...
  • : 動詞1. (引導) lead; guide 2. (傳導) transmit; conduct 3. (開導) instruct; teach; give guidance to
  • 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
  1. 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型大地流再分配所致;運用州sys數值模擬了大地流向地背景下的盆地地溫場,從而揭示了盆地基底(義縣組)頂界地溫分佈特徵;闡明了盆地具有形成中低溫對流型地系統所必需的水斷裂、補給水源等的良好條件,中低溫對流型地系統是地勘查的主要對象;圈定了平莊盆地北部朝陽溝?駱駝營子地勘查遠景區。
  2. The magnitude of the maximum value, as well as the time to reach such maximum value, varies with geometry and surface heat-transfer coefficient.

    最大值的及達到此最大值的時間均隨幾何形狀和表面熱傳導系數而變。
  3. It utilizes the thermoelectric couple and thermal imaging system for the first time to monitor the internal heat conduction of the decoration for the buildings, and the uses the thermal imaging system and thermoelectric couple of copper constantan to follow up the monitoring to the surface temperature of the tiles and the temperatures in many

    論文中首次利用電偶及像儀對飾墻體的內部過程進行了監測,利用像儀及銅-康銅電偶對溫度及砂漿內部各層多點溫度進行了跟蹤監測,結果溫度及砂漿內部各層溫度變化趨勢基本一致,而且從像儀測出的溫度值與由電偶測出的溫度值基本相同。
  4. Although a variety of techniques, such as addition of surface area, swirl flow devices, vibration of heated surface, vibration of fluid, are applied to enhance heat transfer, major improvements in heat transfer capabilities have been held back because of the low thermal conductivity of conventional heat transfer fluids

    隨著對交換設備換強化技術研究的深入,換工質的性能已成為影響交換設備高效緊湊性能的一個主要因素,低系數的換工質已成為研究新一代高效冷卻技術的主要障礙。
  5. Thaw settlement cause negative friction. this paper base on the thought of " initiative cooling ", aim at three problems existing in common concrete pile used in frozen soil, a new type of pile is proposed to overcome the disadvantages of the classical pile used in frozen soil. pile body within active layer is fluted and refilled with porous materials such as gravels and ballasts, convection will be occur and then thermal exchange inside porous material in winter while only heat conduction exists in summer, as a result the soil around flutings will be cooled, so the top line of permafrost will be drive up

    本文基於「主動冷卻」地基的思想,以及針對凍土地區普通混凝土樁存在的三大問題,提出了一種新型樁的設計思路,運用數值模擬試驗手段對其冷卻機理與加固機理進行了系統研究,即在凍融活動層的深度范圍內,在混凝土樁身的刻槽,修築完時槽內填充碎石、塊石等多孔介質,通過外界大氣溫度的自然波動下多孔介質在冬季時存在的對流換機制,而在夏季只存在,來達到主動冷卻樁周凍土和抬升凍土上限的目的。
  6. The laser heats up the diamond and causes the temperature rises on the surface of diamond film. at the different temperature, the different physical and chemic change will happen. the rules of the laser ablating diamond were researched by experiment

    從激光加的理論出發,研究了激光及其在金剛石引起的溫度分佈情況,以及在不同的溫度和激光功率下,金剛石膜發生的不同的物理和化學變化。
  7. Theoretical analysis and experimental results showed that the high emissivity coating speeds up the heat - absorption and heat release process, strengthens heat transfer by radiation and heat conduction in the regenerator, improves heat transfer efficiency and the blast temperature

    理論分析和實驗結果明,風爐蓄高發射率塗層可以提高蓄體的蓄和放能力,強化爐內輻射和蓄體的,從而提高風溫度。
  8. Recent years, the using of piezoelectric sensors becomes a focus in novel biosensors research. the basic principle is that the characters of its oscillation are highly responded with the changes of the surface mass adsorption, or the physic characters in the reaction system including density, viscosity, conductivity and so on. a piezoelectric biosensor with a nanogram sensitivity could be constructed through a reasonable biological processing and structure designing to the piezoelectric quartz crystal

    近年來,壓電感器檢測技術逐漸成為生物分析中的研究點,其基本原理是利用石英晶體振蕩特性對石英晶體質量負載(質量效應)和反應體系物理性狀如密度、粘度、電率(非質量效應)等的改變具有高度敏感的特性,通過對石英晶體進行適當的生物學處理和結構設計,構建出具有具有ng級檢測能力的生物感器。
  9. As well - known, there is an induced current on the surface when metal material is in the high frequency electromagnetic field, since tending to skin heating effect to make the temperature of metal material surface go up promptly, surface beginning melt when temperature reaches the melting point of metal, metal material is heated up continuously by surface to core till the metal droplet of melting

    自懸浮定向流技術制備金屬納米微粒與一般的蒸發冷凝法有所不同,其原理是:金屬材料在高頻電磁場中產生感生電流,由於趨膚加效應使得金屬材料的溫度迅速升高,當溫度達到金屬的熔點時開始熔化,通過作用金屬材料由到芯部不斷加直至熔化成金屬液滴。
  10. In view of results obtained in the work, the commonly 共同 made assumption 假定 of equality 均等 of heat transfer coefficients for both the bundle and its additional surface may lead to certain 確定 errors 誤差 in heat transfer calculations and discrepancies between the calculated values of heating surfaces area and later operational needs of steam generator

    在工作得到的結果,系數的做法為捆綁和它附加的遞演算也許致某些的誤差值和蒸汽發電器之間的錯誤和差誤。
  11. Through analysis, the theoretical solution of the condensation heat transfer coefficient of horizontal tubes with annular fins is obtained. the theoretical results are compared with the experimental ones

    本文通過理論推,獲得了水平環肋管外冷凝系數的理論計算公式,然後把理論值與實驗值進行了比較。
  12. The main work lists as following : 1 on the condition that cfrc is an macroscopically isotropic material, the governing equations of electric and thermal conduction for the inspection were established ; the current density and joule heat distribution around several kinds of flaws were investigated 2 by fem, the process of inspection was simulated ; the current density, joule heat and temperature distribution were also investigated, and the simulation results were contrasted with experimental data

    主要工作為: 1 、將機敏混凝土合理假定為宏觀各向同性材料的基礎上,建立了檢測過程中的、電相關的控制方程;並研究了幾種不同缺陷周圍檢測過程中的電流密度、焦耳分佈規律。 2 、通過有限元方法對機敏混凝土的電場進行了模擬分析,研究電流密度、焦耳分佈及試件溫度分佈變化規律並與實驗所得試件溫度場進行了對比分析研究。
  13. According to the heat conduction spreading only in the direction of local surface normal on infinitesimal control surface and laser machining reaching steady state instantaneously, a three - dimensional transient partial differential equation was translated into a one - dimensional constant differential equation

    根據在微元控制只發生在法向,並且激光加工在暫態達到準穩態,將三維暫態偏微分方程轉化為一維常微分方程。
  14. The demonstration of heat - transfer measuring techniques and prospect of infrared thermal mapping techniques, main parts and performance indexes of a infrared camera, functional blocks and implementation of infrared processing software, experimental facility and measuring system of the wind tunnel has been made. the model emittance was experimentally determined and the three methods correcting directional emittance were compared. those problems of the infinite - slab model thickness and constant wall heat rates hypothesis, the determination of adiabatic wall temperature were discussed in a 1 - d heat conduction analysis

    本文對紅外圖測技術與應用前景、紅外像儀主要部件與性能指標、紅外測數據處理軟體功能模塊與實現、風洞試驗設備與測量系統等進行了論述,測量了模型發射率並對發射率隨極角變化的三種修正方法進行了對比,對一維分析中模型壁厚半無限假設、壁流定常假設、絕壁溫選取等進行了探討。
  15. The fem results indicated that as to the rough surfaces in sliding contact, the value of the contact pressure was very high which coursed a high value of the heat flow rate, meanwhile the sliding time was not enough for the frictional heat to transfer, thus the highest value of the body temperature occurred just on the sliding surfaces, which possessed a sharp thermal gradient in direction perpendicular to the sliding surface. so the great thermal stress was caused just by the sharp gradient and the thermal elastic distortion with which the contact pressure changed occurred simultaneously, thus this change of the contact pressure would affect the temperature distribution in return

    對于相對滑動的粗糙,因實際接觸積小而致接觸壓力很大,這樣使得流密度會很大,同時由於滑動時間很短,來不及,最高溫度發生在摩擦,在垂直於摩擦的方向有很大的溫度梯度,使得應力很大,且最大應力發生在,同時產生彈性變形,這種變形使得接觸區域內的壓力分佈發生變化,這種變化又反過來影響了接觸區域的溫度分佈。
  16. Aiming at reducing the roughness of the sidewalls in the manufacturing of the pmma liquid pool by co _ 2 lasers, in the hypothesis that the intensity of the laser has a guassian distribution, the temperature distribution in slab material with limited thickness is studied according to traditional thermal conductive formulas, and the condensing progress of the melted surface of sidewalls is researched. it is concluded from the discussion of temperature distribution that the air bulbs is the major reason for the roughness of the sidewalls

    為降低co _ 2激光加工pmma材料儲液池側壁粗糙度,本文根據統的方程,假定激光強度為高斯分佈,對有限厚板狀材料的溫度場進行分析;並考察側壁熔化層凝固過程的特徵;結果明,側壁粗糙度形成的主要原因在於側壁熔化層凝固前氣泡未及時析出。
  17. The fundamental unity of their message derides the superficial divisions that have taken root in the minds of influential, but sadly misguided, religious fanatics throughout the ages

    雖然明師們所的訊息本質上是相同的,但其上的分宗別派,長久以來卻深植在那些有影響力卻不幸被誤的宗教狂者們的心中。
  18. Compared with traditional air - conditioning, its advantages lie in thermal comfort energy efficiency free use of spacing and etc. this paper introduces the procedure and the result of the experiment of gas - heater radiant floor system and gshp radiant floor system and compares them with traditional air - conditioner. based on the analysis of the heat transfer of radiant floor, this paper uses the theory of heat transfer to establish a mathematical model and computes it with difference equation. the important factors inferred from the model such as floor surface temperature heat intensity composite heat transfer coefficient deviate from the experiment result in a small range of 20 % and fit the need of the practical use

    在分析了輻射地板機理的基礎上,文中利用、大空間的自然對流換學理論建立了輻射地板的模型,再採用有限差分方法對模型求解,所得有關輻射地板供冷性能的重要參數如地板平均溫度、流密度、地板復合換系數等與實測值相差在20以內,滿足工程使用要求;同時得出輻射地板盤管供水溫度是影響地板供冷性能的重要因素的結論。
  19. Based on the above deduction, the numerical solution of the condensation heat transfer coefficient outside horizontal tubes with annular fins is obtained

    在此基礎上,推出水平環肋管在數值解法下的管外冷凝系數理論值的計算公式。
  20. In this thesis, based on related previous references, using the non - fourier law of heat conduction, applying the image method, expand method of wave function, multiple scattering of thermal waves in materials with subsurface defects are investigated. our research works are concretely as following

    本文在分析了國內外相關文獻的基礎上,基於非傅里葉波動方程,採用鏡像方法和波函數展開法,研究了固體介質中亞圓柱缺陷和球形缺陷對波的多重散射問題。
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