熱流通道 的英文怎麼說

中文拼音 [liútōngdào]
熱流通道 英文
heat passage
  • : 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...
  • : 通量詞(用於動作)
  • : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
  • 熱流 : 1 (激動振奮的感受) warm current 2 [氣象學] thermal current; [熱學] heat transmission; thermal f...
  • 通道 : thoroughfare; passageway; pass; enterclose; gallery; drong; tunnel; avenue; alure; way; row; key ...
  1. Abstract : apply computer simulation to the distribution pattern of air - flow without considering the cold condition of the combustion and compare the flow patterns under different designed circumstances. and the effect of the design of the partition in the air way of the burner on the flow and mixture of gas and air is especially studied. the result shows that the design of partition plays a very important role in strengthening the mixture of gas and air, but increases the loss of the resistance in the air way and the total pressure of the air way in same working conditions needs increasing

    文摘:應用計算機模擬的方法,在不考慮燃燒的冷態情況下,研究了風爐燃燒室內的氣分佈規律.在此基礎上,比較了2種不同設計方案的氣動特徵,尤其是研究了燃燒器空氣內阻板的設置與否對空氣和煤氣的動和混合的影響.結果表明,阻板的設計對加強空氣和煤氣的混合有著極為重要的作用,同時也增加了空氣管的阻力損失,在同樣的工況條件下需要提高管系統的總壓力
  2. Experimental investigation on post - dryout heat transfer in narrow annuli at low mass velocity

    低質量速下環形內乾涸后傳實驗研究
  3. The thermal visualizations of jet impingement cooling with single or double row holes inside semi - enclosed channel are measured by using infrared camera and then the impingement cooling heat transfer coefficients are deduced. the effects of flow and geometry parameters on convective heat coefficients are obtained. the results show that : for a single row normal impingement, the impingement cooling effectiveness is enhanced with the increase of impinging reynolds number or the decrease of hole space to diameter ratio, and the best effectiveness is achieved under the jet - to - surface spacing equals to 2 ; when the jet is oblique to the confined wall, the cooling effectiveness is weaken especially under the jet - to - surface spacing ratio is greater than 2 ; for double rows normal impingement cooling, the cooling effectiveness of rear row jet is weaker than the front row under lower impinging reynolds number or bigger jet - to - surface spacing

    對于單排垂直射,沖擊冷卻效果隨射雷諾數的增加、孔間距與直徑比的減小而得到提高,沖擊間距比為2時換效果最好;沖擊孔中心線向封閉一側傾斜后,射沖擊冷卻的范圍變窄,當沖擊間距比大於2時駐點區的對能力明顯降低;對于雙排沖擊射,孔排間距與直徑比的增加使沖擊冷卻范圍變大,但在兩排孔之間區域的對系數有所下降;在較小的沖擊射雷諾數和較大的沖擊間距比下,後排射的沖擊換效果要遜於前排射
  4. In this paper. the conclusion of this paper has utility meaning in analysis on turbine blades cooling after some proper correcting of the geometry structure and boundary conditions

    由於所採用的結構及計算域近似渦輪葉片的冷卻形式(主,內冷卻) ,因此這種方法經過進一步的改進,可用於渦輪葉片冷卻的計算研究。
  5. 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體的二維換中心軸線處的體的溫度與靠近壁面處體的溫度有較大的溫差。
  6. The hydrothermal breccia and karst in the beiya area are divided into 4 types and zones, including : sedimentary tuff and breccia induced by hydrothermal explosion and sedimentation on land surface ; hydrothermal sedimentary conglomerate and gas - explosive ejecting breccia related to sedimentation in and collapsing of some shallow karst caves ; netted hydotherma1 limcstone breccia and hydrothermal explosive breccia pipe related to hydrofracturing, corrosion and explosion in the hydrothermal channels ; and yellow granular limestone formed by simmering and alteration in the deep heated water reservoir

    北衙地區水角礫巖和水巖溶可分為4種類型和層次,即地表相爆發沉積作用形成的沉積凝灰角礫巖、水沉積鮞狀灰巖與鈣華膠結角礫巖;與近地表洞穴沉積和垮塌作用有關的水沉積礫巖和汽爆射角礫巖;與相蝕裂和爆破角礫化作用有關的網路狀灰巖角礫巖筒和水隱爆角礫巖筒;深部相水浸煮蝕變灰巖。
  7. Jet impingement cooling is an advantage method in heat transfer enhancement owing to its extremely high local heat transfer coefficient and simple structure. as regard as the combustor flame tube cooling structure is concerned, the impingement - converse convection - film composite cooling is an effective method, in this composite cooling structure, the impingement cooling problem could be modeled as impingement inside semi - confined channel

    對于沖擊-逆向對-氣膜復合冷卻的火焰筒結構而言,火焰筒壁面冷氣側的沖擊冷卻實質上是半封閉的沖擊冷卻,即沖擊射從沖擊孔板噴出,沖擊到換靶面后形成壁面射沿單方向出。
  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

    葉片內部冷卻是一個復雜的對?導耦合傳問題,本文在分析葉片內部冷卻的動與傳情況的基礎上,建立了三維、可壓縮紊的物理模型,得到了用的求解辦法;利用不帶擾片的矩形直、帶順排擾片矩形直、帶叉排擾片、帶傾斜擾片的矩形直的幾何模型,計算了冷卻空氣過這幾種時的動與換情況,得到了各種不同情況下計算區域的溫度場、壓力場、速度場;在此基礎上分析了不同的高度、不同的葉片材質對葉片內部冷卻的影響,並整理得到了各種形式下,努謝爾數和阻力因子與雷諾數的函數關系;本文重點研究了新型的葉片內部冷卻強化傳措施?帶擾片的內部冷卻的強化傳效果,過與光滑矩形直、帶針肋的冷卻效果的比較,表明了這種新型鮚構的優勢,對于葉片內部冷卻結構的設計可以起到指導的作用。
  9. The blade inner channel cooling is very important in the design of turbine blade, with the ever - increasing inlet temperature, the new heat transfer enhancement structures of higher performance are demanded. because of the complexity of the flow and heat transfer of the blade inner channel cooling, the numerical modulation is superior to the experiment. this thesis studied the blade inner channel cooling with the method of numerical modulation

    葉片內部冷卻在航空發動機葉片的設計中佔有重要的位置,航空發動機進口溫度的增高對其提出了更高的要求。由於葉片內部冷卻的動與傳的復雜性,數值模擬較實驗的研究方法有其優越性,本文利用數值模擬的方法對葉片內部冷卻進行了研究。
  10. The polyamide to easy generation salivate ( pa ), through choosing form of a powerful person hot nozzle also can realize hot flow path to shape

    對易產生涎的聚酰胺( pa ) ,過選用閥式噴嘴也能實現成型。
  11. The analysis of the large - scale synoptic situation shows that strong precipitation is closely related to the explosion of monsoon and the intensification of cross - equatorial flow which bring a lot of vapor and meet with cold masses at the eastern of northwest district on 8th, june causing extremely heavy rainfall ; that subtropical high - level jet at 200hpa, subtropical high at 500hpa and low - level jet at 850hpa are the weather backgrounds favorable to strong precipitation ; that the pattern of eastern highs and western lows and the establishment of a low - level jet and the coupling between upper - and low - level patterns that determine that the rain occurred in the east of the northwest china ( on average, this is the rainy season for the south of china, but not for the northwest china ) ; that water vapor comes from southerly and easterly flow which converge at the eastern of northwest district with convergence mainly in lower levels and pbl ; that the high value of the whole - level apparent heat source < q1 > is near the area of large rainfall in the direction of northeasterly - southwesterly agreeable to shear line very well and the condensation latent heat releasing is main heat source with vertical advection item playing key role in q1 and q2 ; that there is a vertical secondary circulation crossing low - lever jet whose ascending branch is at the area of large rainfall ; that the construction of convection instability and conditional symmetry instability results that there is not only deep thermal instability, but also moisture influx and triggering mechanism of thermal instability causing strong torrential rain

    作為對比,本文還對2002年6月24 - 25日發生在北京地區的強地形雨進行了分析,並討論陜南、北京地區兩地暴雨的異同點以及地形作用的共性和個性,為兩地暴雨預報提供有益的參考,得出了一些很有意義的結果: 1大尺度環背景分析表明: ( 1 ) 「 02 . 6 」強降水與6月上旬越赤和季風爆發密切相關,攜帶大量水汽的偏南氣與冷空氣於6月8日交匯在西北地區東部,導致了這次強降水的發生; ( 2 ) 200hpa的副帶西風急、 500hpa副高以及850hpa的低空急的配置非常有利於本文分析之陜西強降水的發展與維持。大尺度形勢分析表明,東高西低形勢場、低空急的建立和高低空形勢的配置決定了這場降雨出現在西北地區東部。與暴雨區相聯系,存在一支橫越低空急的經向垂直環,暴雨區處于該垂直環的上升支; ( 3 )偏南和偏東氣水汽在西北地區東部交匯,水汽的輻合積聚主要在對層低層和行星邊界層內完成; ( 4 )整層的視源< q _ 1 >高值區在暴雨區附近呈東北-西南向分佈,與切變線走向非常一致,降水產生的凝結潛釋放是強降水區大氣的主要源。
  12. Two good examples about conjugate heat transfer problem, one with cooling method, the other without cooling inside turbine blade were investigated

    最後進一步地討論了渦輪葉片中無冷卻和有簡單冷卻情況下的/耦合計算。
  13. Ptfe is one of the most corrosion - resistant materials in the world. however it has defects such as the hot expansion and cold contraction rate is10 times larger than that of steel and the original cold fluidity ( creeping ) etc. therefore, as temperature increases, ptfe extends so excessively that it would collapse and then block the flow of media ; as temperature decreases, ptfe contracts so excessively that it would be ripped and then cause leakage

    Ptfe是當今最耐腐蝕的材料之一,可它被製造成襯里的時候,會存在脹冷縮比鋼鐵十多倍及固有的冷性等缺陷,致使ptfe襯里管、設備,在使用過程中,溫度高時, ptfe襯里層會伸長過多而內癟,阻塞了介質;溫度低時, ptfe層會收縮過大被拉裂而泄漏。
  14. In arbitrary curvilinear coordinate systems, three dimensional turbulent combustion flow fields of the three kinds of turbofan engine afterburner with the longitudinal heat shield 、 outer cold flow and the jet nozzle are simulated. the three - dimensional body - fitted grids are generated by an elliptical grid generation procedure and zone method

    本文在任意曲線坐標系統下對三種帶有縱向隔屏、外冷卻和尾噴管的渦扇發動機加力燃燒室的三維紊燃燒場進行數值模擬。
  15. Of the currently available coolers for electronic products with a high heat flux, microchannel heat sinks have been proved to be able to provide the best heat transfer performance and are one of the most promising coolers. the manifold microchannel ( mmc ) heat sink has many advantages such as low thermal resistance, compact structure, little amount of coolant, low flow rate, uniform temperature distribution along the flow direction and many others, so it is able to provide the best heat transfer performance : lowering the maxmal temperature and the temperature difference

    在目前高量電子產品冷卻器中,微沉已被證實是傳性能最佳且最具應用潛力的冷卻方式之一,而歧管式微沉因具有低阻、結構緊湊、所需冷卻液量小、沿動方向溫度分佈均勻等優點則成為減小電子元器件換表面最高溫度、降低溫度變化的一種有效方法。
  16. The experimental results show that the gridding rib has significant effects on heat transfer enhancement. the nuselts number increases as re increases

    實驗結果表明,網格式內冷中,隨著來雷諾數re的增加,效果增強。
  17. The cold heavy oil production ( chop ) technology can be applied to form in - situ high permeable channels by mass sand inflow and allow the heavy oil to be produced by means of foam - oil effects

    而稠油出砂冷采技術過大量出砂形成高滲,並藉助于泡沫油的作用等機理來開采稠油油藏,可以較好地解決采中遇到的問題。
  18. The relationship between cef and china summer rainfall and that between cef and tropical cyclone frequence ( tcf ) in the northwest pacific ( nwp ) are investigated. lt is found that the several branches of cross - equatorial flow have different interannual variability. periodicity and interdecadal variability. the five channels in the lower troposphere in the monsoon region of the eastern hemisphere have different relationships with china summer rainfall. the results also show that there are obvious relation between the interannual variatin of cef and tcf from july to october in the northwest pacific

    確定了東半球季風區對層高低層各支越赤的位置,並探討了越赤與我國夏季降水和西北太平洋上帶氣旋發生頻數的年際變化之間的關系。結果表明:季風區夏季的幾支越赤具有不同的年際變率、周期以及年代際的變化特徵。夏季季風區對層低層的5支越赤的強度與我國夏季降水呈不同的相關型。
  19. Abstract : the concept of equivalent heat channel is adopted to simplify the prdiction of thermal contact resistance. after establishing the model of contact surface, the definitive parameters in equivalent heat channel of the thermal contact resistance are gained. and the whole thermal contact resistance is composed of the parallel connected equivalent heat channels

    文摘:採用當量熱流通道的概念對接觸阻的預測進行簡化分析,即對表面情況建立相應的表面模型后,確定出當量熱流通道上的各個參數,整個接觸面上的接觸阻即可視為有多個當量熱流通道形成的接觸阻並聯而成,從而可以預測出兩個物體間的接觸阻。
  20. Direct numerical simulation of turbulent flow and heat transfer in square duct with steady natural convection in cross section

    具有截面自然對內湍的直接數值模擬
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