空氣的對流 的英文怎麼說

中文拼音 [kōngdeduìliú]
空氣的對流 英文
convection of air
  • : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
  • : Ⅰ名詞1 (氣體) gas 2 (空氣) air 3 (氣息) breath 4 (自然界冷熱陰晴等現象) weather 5 (氣味...
  • : 4次方是 The fourth power of 2 is direction
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • : 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...
  • 空氣 : 1 (大氣) air; atmosphere 2 (氣氛) atmosphere 3 (氣閘) air brake4 pneum ; pneumo ; pneumat ;...
  1. In this paper, using phoenics software to compute and analyze the variety rule of the convecting transfer heat at the basis of computing and analyzing the temperature and velocity field of one underfloor supply air room with a focus hot source, and concluding that the number of the hot source and the supply air outlet > the intensity of the hot source and the volume of supply air will influence convecting transfer heat, and obtained its correlativity formula

    本文針一下部有集中熱源地板送風調小室,利用phoenics軟體,在計算分析小室內速度場及溫度場基礎上,熱轉移量變化規律做了計算分析,最後得出于下送風小室熱轉移量與熱源個數、送風口個數、熱源強度、送風量等因素有關,並且得出了其相關關系式。
  2. As the return of flow is being, one side the heat gain of higher zone will be lead back, on the other hand, the heat has been transmitted to upside also will return, so the heat gain will incr ease. the methods of using numerical simulating has been used to analyze the factors influecing convecting transfer heat in this paper

    實際運行時由於回返,一方面會把上部得熱帶回工作區,另一方面也會把下部已傳送上去熱量又帶回,從而增加了下部得熱量,本文就影響熱轉移量因素利用數值模擬方法做了一初步研究。
  3. The rising temperature in the cave, the lamp - light ' s toasting and the convictive air made the humidity of the whole or part of the cave descend, which made the speleothem sightseeing dry, cracked and weathering. the acid air from the outer and the highly dense co2 would cause acid erode action to the speleothem sightseeing with water vapor. the existence of lamp - light offered a good chance for the lightloving plant to grow up, thus a lot of bryophyte covered the speleothem sightseeing

    洞穴升溫、燈光烘烤及空氣的對流致使洞穴濕度或局部濕度降低,使景觀產生乾裂、風化;帶入洞外酸性體及高濃度co _ 2在高濕條件下,結合水汽洞穴景觀產生酸侵蝕作用;燈光存在為燈光植物生長提供了條件,使大量苔蘚類植物生長于鐘乳類景觀表面;洞外大粉塵進入,給洞穴帶來了非常嚴重破壞,粉塵在洞內高濕環境下大量沉降,附著于鐘乳類景觀表面,致使受污染面發黑,毫無光澤。
  4. Convection above a hot surface occurs because hot air expands, becomes less dense, and rises ( see ideal gas law )

    一個熱門表面出現,因為熱擴大,成為密度較低,而上升(見理想體定律) 。
  5. Contraposing the measurement principle of the traditional hotwire air mass flowmeter, the reason of the excursion of the result for flow measurement was analyzed and inferred when environment temperature changed ; the method for temperature compensation and the realization circuit was given ; and compared the theory output of the new type hotwire air mass flowmeter with its real output after temperature compensation

    摘要針傳統型熱線式質量量計測量原理,分析和推導出當環境溫度變化時量測量結果產生偏移原因;提出了一種環境溫度補償方法和具體實現電路;並經環境溫度補償后一種新型熱線式質量量計理論輸出和實際輸出進行了計算與比較。
  6. Using mass flux controller ( mfc ), gas regulation system achieved accurate mix of two kinds of gases, steel bottle gas ( some compressed gas ) and zero air ( pure air ). for the sake of data transmission between dynamic air regulator and other equipments in the monitoring air quality system, normal digital interface ( rs - 232c ) make correlative role of communication interface so that automatic survey could be achieved

    本儀器採用國際先進自動控制配原理,採用精密質量量控制器( mfc )來控制鋼瓶(某種壓縮體)與零(純凈無污染混合比來得到精確濃度校準體,以便於各種體監測儀進行高精度校準。
  7. Moreover, the resulted prediction model of foam size of the closed cell aluminum foam was verified by comparison to the experimental results from the foaming process at different foaming conditions, and the predicted bubble diameter is in good agreement with the experimental ones, the relative error distributes between - 5. 04 % and 6. 32 %

    當入射壓強、量,液面高度,出孔直徑增大時,泡直徑隨之增大;當出孔數量,液體粘度增大時,泡直徑減小,表面張力泡直徑影響可以忽略不計;靜態條件下液體表面泡直徑預測值和實驗測量值符合得較好,相誤差分佈在- 5 . 04 % ~ 6 . 32 %之間。
  8. The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade

    葉片內部通道冷卻是一個復雜?導熱耦合傳熱問題,本文在分析葉片內部通道冷卻動與傳熱情況基礎上,建立了三維、可壓縮紊物理模型,得到了通用求解辦法;利用不帶擾矩形直通道、帶順排擾片矩形直通道、帶叉排擾片、帶傾斜擾矩形直通道幾何模型,計算了冷卻通過這幾種通道時動與換熱情況,得到了各種不同情況下計算區域溫度場、壓力場、速度場;在此基礎上分析了不同通道高度、不同葉片通道材質葉片內部通道冷卻影響,並整理得到了各種通道形式下,努謝爾數和阻力因子與雷諾數函數關系;本文重點研究了新型葉片內部通道冷卻強化傳熱措施?帶擾內部冷卻通道強化傳熱效果,通過與光滑矩形直通道、帶針肋通道冷卻效果比較,表明了這種新型鮚構優勢,于葉片內部通道冷卻結構設計可以起到指導作用。
  9. The quasi - geostrophic process was diagnosed for a case of severe cold air breakout under the blocking situation during 16 - 18 march of 1998. the attention was focused on the relationship between the surface anticyclone and 500hpa blocking high. the results indicate that the cold outbreak is associated with the adjustment of blocking situation in the ural area, i. e. the collapsing and rebuilding of the ural mountain blocking high. the temperature advections in the lower troposphere shown that the polar cold air invading from the northwest caused the ural blocking high collapsed, and a new ridge developed rapidly was due to the warm advection on the southwestern side which led to the ural blocking high rebuilt. in addition, the distribution of the vertical motion on 700hpa shown that the surface high splitting was related to the considerable upward motion located on the southeastern part of surface high

    1998年3月中旬一次高阻塞形勢下強冷過程進行了診斷分析,著重討論強冷爆發前後地面反旋活動與高阻塞形勢調整關系。研究結果表明,強冷爆發與烏拉爾地區阻塞形勢調整阻塞高壓崩潰和重建緊密相關。層下部溫度平分析表明,阻塞形勢調整是由於阻塞高壓上游西北方有冷侵入導致了阻塞高壓崩潰,而上游來自西南方向強暖則導致高壓脊迅速發展,使阻塞高壓重新建立。
  10. Test results indicated : with the hoist of altitude, the increase of ice amount and the rise of pollutant, the average flashover voltage reduced. the character exponent generally depends on the insulator profile, ice amount, ice state and pollution severity etc. by means of a high - speed camera, a data acquisition system and high voltage test facilities, a series of the flashover processes on ice surfaces were record. the experimental results form this study and the subsequent theoretical analyses suggested : the thermal ionization of the air in front of an arc root resulted in arc movement ; the electrostatic force had an auxiliary effect of impelling arc propagation ; the electrical

    通過攝像機、數據採集系統及高壓試驗裝置記錄覆冰絕緣子表面閃絡電弧發展過程試驗結果進行理論分析得出:弧根周圍熱電離導致了電弧發展,靜電場力電弧發展起到了加速作用,電擊穿僅發生在閃絡最終跳躍階段;通過測量閃絡過程中放電電壓、泄漏電、閃絡時間、覆冰水電導率、電弧長度及電弧半徑等參數,得到了不同階段電弧(電弧起弧階段、電弧發展階段及完全閃絡)發展速度、臨界電弧長度均隨覆冰水電導率增加而減小。
  11. Independent gas - fired convection heaters incorporating a fan to assist transportation of combustion air and or flue gases ; german version en 1266 : 2002

    鼓風機送入助燃和排出廢式室內燃加熱
  12. ( 5 ) the spring greenland sea - ice extent is larger ( smaller ) : then during the following summer the high of the japanese sea is stronger ( weaker ), and the low of the asian land is stronger ( weaker ), which make the pattern of low west and high east easily ( uneasily ) form ; the ascending movement over north china is strengthened ( weakened ) ; the summer monsoon of east asia is stronger ( weaker ), then the southeastern, warm and damp airflow towards the north china is stronger ( weaker ), and the cold airflow of the high level over the north china is also stronger ( weaker ), which make the convergence of the cold and warm air over north china easily ( uneasily ) form ; the sst of the east pacific ocean is lower ( higher ), while the sst of west wind drift is higher ( lower )

    ( 5 )春季格陵蘭海冰面積偏大(小) :後期夏季日本海高壓偏強(弱) ,而大陸上低壓也偏強(弱) ,易(不易)形成西低東阻形勢;華北地區上升運動增強(減弱) ;東亞夏季風偏強(弱) ,向華北地區輸送西南暖濕偏強(弱) ,而應高華北地區上活動偏強(弱) ,利於(不利於)華北上冷暖交匯;夏季赤道東太平洋海溫偏低(高) ,西風漂區海溫偏高(低) 。在以上背景下,華北夏季降水偏多(少) ,易澇(旱) 。
  13. Warm - air heating hot air heating

    利用熱作媒質採暖方式
  14. In this research, through the test in geometric parameter and resistance performance, and comparison between random and other stacked packing, pvc screw thread oblique corrugated plate have more advantage. combined with test and theoretic calculate, determined the heat and mass transfer coefficient, obtained the influence relationship between inlet air flow rate, temperature and humidity, inlet liquid desiccate flow rate, temperature and concentration with outlet air humidity in dehumidifier, provided consideration for equipment design and production

    通過除濕塔現場測試並結合理論計算,確定其熱質交換系數,並分析得出採用pvc螺紋斜波紋板填料一定結構除濕塔,處理風量、入口溫度和含濕量及除濕溶液量、入口溫度和濃度出口含濕量影響關系,為除濕設備設計和指導生產運行提供參考。
  15. The southeast low - air jet accompanying the tropical cyclone transported plenty of heat and moisture for the storm, the low - level heating and wetting weakeed the stability of the air, and the weak cool air intruded from the low - level and stimulated the convection, thus leading to the heavy storm

    伴隨登陸熱帶旋生成東南急為暴雨輸送了豐富熱量和水汽,低層增暖增濕促使層結不穩定加劇,而西風帶弱冷侵入暖濕具有抬升作用,可觸發發展和不穩定能量釋放,導致大暴雨產生。
  16. Based on t213 and other observational datasets, a severe heavy rain occurred in changjiang - huaihe basins during 4 - 5 july 2003 is studied. the primary diagnostic analyses show that double or single block is the characteristics of the macroscale circulation in this rainfall process. the strong conflict of warm and cold mass, mesoscale convergence on meiyu front, shear line, and stably maintaining of high and low jets make for the rainfall

    本文採用地面高常規資料,每6h一次降水資料,以及t213數值預報資料,2003年7月4 - 5日發生在江淮地區一次梅雨鋒暴雨過程影響系統及其可能機制進行了初步診斷分析,發現,高緯雙阻、單阻形勢是這次暴雨過程發生大尺度環特徵;冷暖激烈交鋒、梅雨鋒上中尺度輻合線、 700hpa 、 850hpa上低渦、切變線以及穩定維持高低是導致這場暴雨直接影響系統;該地區維持一個高能、飽和、潛在不穩定環境,有利於特大暴雨產生和維持。
  17. Great difference in pressure for two flow made pressure wave system and it help to extend the delay time for gas in chamber, which increases combustion effusion. second, to increase combustion effusion, the inlet temperature of air and gas should be enhanced in the range of heat releasing in chemical reaction. third, the first work condition is unburned absolutely and the second work condition is burnt in shear layer of inlet and the end of down wall zone in straight segment

    于壓力差很大兩股,所形成壓縮波系結構可以增加燃駐留時間,提高燃燒穩定性;為了提高擴散燃燒效率,在保證能放熱化學反應溫度范圍之內,應適當提高燃入口溫度;燃噴嘴應居於燃燒室軸線上,是改進超音速燃燒室結構一種思路。
  18. Two typical examples analyses are conducted for the average conditions both of winter and summer climates under vapor diffusion and air leakage. a further discussion is set forth to determine the main factors that the moisture accumulation in wall is affected. it is found that the factors are the relative humidity at the wall surface, indoor temperature, permeability, air pressure difference and rate of the infiltrative or exfiltrative airflow

    本文首先研究了墻體內遷移過程,詳細分析了濕積累現象形成原因,通過夏、冬兩季平均候下墻內溫度、水蒸壓力、相濕度及濕積累在僅有擴散、擴散與滲透同時存在等情況所作具體計算,發現墻內、外表面濕度、室內溫度、滲透率、壓差以及速度是影響墻內濕積累主要因素。
  19. Marianne was all the time busy in observing the direction of the wind, watching the variations of the sky, and imagining an alteration in the air.

    瑪麗安則一直忙於觀察風吹方向,注意天色變化,幻想來一次空氣的對流
  20. A new method is developed to predict the temperature distribution of cooling - plate with non - uniform heat load on the surfaces, meanwhile, two types of cooling - plate used in the environment control system of airplane are studied experimentally under conditions of different reynolds number of air and surface heat loads

    摘要提出了一種新冷板簡化數學模型,把翅片摺合成導熱系數?各向異性等效厚度層實芯板,將冷板與空氣的對流換熱作?等效層穩態導熱問題,計算了表面熱源非均勻條件下冷板溫度分佈。
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