cooling blade 中文意思是什麼

cooling blade 解釋
冷卻葉片
  • cooling : n. ,adj. 冷卻(的)。
  • blade : n 1 (殼、草等的)葉片,葉身,葉。2 刀片;(安全)剃刀刀片 (= razor blade); 刀口,刃;刀,劍;...
  1. When the equipment is wirking, the blades will be nipped on the table. after the blades is faced with table side face, the workstations can be transferred to any angle. milled into an any angle blade, automatic lubrication, automatic cooling, especially for the aerodynamic drawknife blades

    本機在工作時,將刀片夾在工作臺上,刀刃與工作臺的側面面對齊壓緊后,可以將工作臺轉至任何角度,磨成任意角度的刀刃,自動潤滑,自動冷卻,適應于不同厚度,不同規格的刀片,成其適合於氣動刮刀刀片面性的研磨。
  2. Cooling blade temperature exorbitance, has got to isothermal degree descent

    散熱片溫度過高,必須等溫度降下。
  3. The welding technology of francis turbine runners is optimized from the view of subsection welding and local heating by numerical simulation. the result shows that welding residual tensile stress appears in the weld and its area nearby, and peak stress appears in the dangerous area of blades after practising quondam welding technology ; welding residual tensile peak stress in the dangerous area of blades can be decreased by welding both ends earlier and then welding middle section later during subsection welding, and decreasing effect on welding residual stress of the subsection welding is related to the weld length of blade outlets and welding direction of each subsection ; decreasing effect on residual stress of the local heating is direct proportional to heating time, heating temperature, heating area, and inversely proportional to cooling area, and welding residual tensile peak stress in the dangerous area is decreasing trend earlier, and then increasing trend later with heated location increased

    本文利用數值模擬手段對轉輪的焊接工藝從分段焊和局部加熱兩個方面進行了優化,結果表明:採用普通工藝焊接時,葉片焊后殘余拉應力出現在焊縫及其附近區域,並且在葉片出水邊的熔合線附近(危險區域)出現了峰值;在採用優化的分段焊時,先焊兩端后焊中間的方法可以降低葉片危險區域的焊接殘余拉應力峰值,降低效果與葉片出水邊焊段長度、焊縫各段的焊接方向有關;局部加熱法降低轉輪危險區域殘余應力的效果主要與加熱時間、加熱溫度以及加熱面積成正比,與冷卻面積成反比,並且危險區域的殘余應力隨加熱區域的增大呈先降低后升高的趨勢。
  4. 4 ) in a pre - swirl rotator - stator cavities with discrete pre - swirl nozzles and blade - cooling entry holes, the influences of pre - swirl angle and flow parameter on the flow and heat transfer characteristics were numerically investigated. the correlation for average nusselt number vs rotating reynold number or non - dimensional mass flowrate were established. the results show that : advantage of per - swirl inflow is the effect of cooling the blade - cooling entry holes ; pre - swirl inflow increases heat transfer in rotating disk of pre - swirl chamber ; as pre - swirl angle increases, local nusselt number decreases in pre - swirl chamber ; the temperature of stator of inner rotator - stator chamber and per - swirl chamber decreases as rotating reynold number increases ; when the axial mass flowrate maintains constant, heat transfer in the rotating disk of inner rotator - stator cavities does n ' t change as per - swirl mass flowrate increases, while heat transfer in the rotating disk of per - swirl chamber increases ; when the pre - swirl mass flowrate maintains constant, change of the axial mass flowrate has effect on the whole cavity

    結果表明,預旋進氣的優點在於增強了葉片冷卻孔附近的對流換熱效果,局部努謝爾數隨預旋角的增大而有所減小;隨旋轉雷諾數的增加,不論是內轉靜腔室還是預旋腔室的靜盤上的溫度都不同程度的降低:當軸向中心進氣質量流量不變時,隨預旋進氣的質量流量增加,內轉靜腔室的轉盤盤面上的換熱基本沒有變化,而預旋腔室的轉盤盤面上的換熱效果增強;當預旋進氣質量流量不變時,軸向中心進氣的質量流量的改變對整個盤腔都有影響。
  5. Cooling fan blade

    散熱扇片
  6. One cooling method that has gained increasing importance is endwall film - cooling, where coolant air is discharged though discrete holes in the inner and outer endwalls of a turbine blade passage. after leaving the holes, the coolant forms a protective layer between the hot mainstream gas and the surface that is to be protected

    目前廣泛採用的一種重要冷卻方法是渦輪葉柵端壁氣膜冷卻,該方法中冷空氣穿過渦輪葉片上內外端壁離散冷卻孔進行交換,且冷空氣流經冷卻孔后在主流熱空氣與被保護表面之間形成保護層。
  7. 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的對流?導熱耦合傳熱問題,本文在分析葉片內部通道冷卻的流動與傳熱情況的基礎上,建立了三維、可壓縮紊流的物理模型,得到了通用的求解辦法;利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶叉排擾流片、帶傾斜擾流片的矩形直通道的幾何模型,計算了冷卻空氣通過這幾種通道時的流動與換熱情況,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通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響,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的函數關系;本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾流片的內部冷卻通道的強化傳熱效果,通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較,表明了這種新型鮚構的優勢,對于葉片內部通道冷卻結構的設計可以起到指導的作用。
  8. 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

    葉片內部通道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。由於葉片內部通道冷卻的流動與傳熱的復雜性,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通道冷卻進行了研究。
  9. A new model for film cooling effectiveness computation on blade surface in a turbine cascade

    渦輪葉片型面氣膜冷卻效率的計算模型
  10. 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通道情況下的流/熱耦合計算。
  11. Touch on developing large - flow and high - pressure ratio impressor and large - enthalpy drop turbine, reducing harmful emission, solving the major problems of high - temperature blade material, cooling, protective coating and single - grain blade casting, and comfirm some important manufacturing techniques

    涉及了開發大流量高壓比壓氣機、大焓降渦輪,降低有害排放量,解決高溫葉片的材料、冷卻、保護塗層及單晶葉片鑄造等主要問題,並確認了一些關鍵的製造技術。
  12. The alloy component and the process parameters of the precision casting ( including the exit temperature from furnace, pouring temperature, mould preheating temperature, holding time, cooling form ) have a certain influence on the problem of the blade brittles

    摘要合金含量、精鑄工藝參數(出爐溫度、澆鑄溫度、模殼預熱溫度、保溫時間、冷卻方式)對葉片脆性問題存在一定的影響。
  13. Above all, the surface of the gas turbine blade including stator and rotor heat transfer coeficience with no film cooling hole was studied with the main stream reynolds number of 150000, 200000 50000, 300000, 350000, 400000. then, the heat transfer coefficience when all cooling holes opened and only one cooling hole opened was studied partly. and it ' s studied how the mainstream reynolds number, blowing ratio and the position of holes affect the heat transfer coefficience of the surface of blade

    對導葉和動葉,都是先研究了在150000 , 200000 , 250000 , 300000 , 350000 , 400000雷諾數下,沒有氣膜冷卻時的表面換熱系數分佈,然後研究了氣膜孔全打開和只打開單排孔時的表面換熱系數分佈曲線,重點研究來流雷諾數,吹風比和不同孔位出流對換熱系數分佈的影響規律。
  14. A parameter has been defined to account for both the heat transfer enhancement and pressure loss caused by different shapes and configuration of pin fin arrays and the optimization analysis shows that cube - shaped pin - fin arrays can be viable alternatives for pedestal cooling in a blade trailing edge

    本文提出了一個強化換熱有效性系數來綜合考慮擾流柱換熱和壓力損失的效果,並用它對各種擾流柱進行了優化分析,優化結果表明方形擾流柱排在渦輪葉片尾緣區冷卻結構設計中是優先考慮的一種結構型式。
  15. Experimental study on film cooling at rotating flat blade tip

    旋轉平板型葉端氣膜冷卻實驗研究
  16. Failure analysis on blade of cooling fan in special vehicle

    特種車輛風扇葉輪的失效分析
  17. The flow characteristics of rotor - stator cavity system with blade - cooling flow and disk - cooling flow was experimentally studied

    摘要採用實驗方法,對具有中心進氣、兩個出口的盤腔系統的流動特性進行了研究。
  18. The experimental results show that : the blade cooling flow rate will increase with the total flow rate and rotating speed ; the ratio of the blade - cooling flow rate to the total flow rate will increase with decline of the total flow rate, and increases with the rotating speed

    結果表明:盤面出流孔的流量隨總流量或轉速的增加而增加,該流量與總流量的流量比隨總流量的增加而降低,隨著轉速增加而增加盤。
  19. Diamond disc blade as the cutting tool, uses cooling lubricant for cooling, processes granite or marble into sheet materials through the blade s

    該機用金剛石圓盤刀片為切割工具,以冷卻潤滑液泠卻,通過刀片的轉動,以水平進給及垂直進給,將花崗巖或大理石加工成板材的機械。
  20. Cooling blade temperature kuo low either measure wen body has not receive or measure wen body breakdown

    散熱片溫度過低或測溫體未接或測溫體故障。
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