軸向傳熱 的英文怎麼說
中文拼音 [zhóuxiàngzhuànrè]
軸向傳熱
英文
axial heat conduction-
Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed
本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上，以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型，通過攝動方法和有限體積法，首次對各種截面（圓截面、橢圓截面、環形截面、矩形截面）旋轉曲線管道內充分發展流動的流動結構和傳熱特性（包括耦合對流傳熱特性）以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析，詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響，獲得了若干創新性成果。Analysis on breakage and system fault on universal shaft on cold - hot screen of sinter machine
燒結機冷熱篩萬向傳動軸斷裂及系統故障分析After that, according to thermal conduction theories of anisotropic materials that were irradiated with continuously modulated laser, a photothermal measuring method about the thermal conductivity tensor and the orientation of the principal axis of the conductivity of arbitrarily opaquely anisotropic materials in the descartes coordinate axes was given by virtue of the theories of so ( 3 ) group rotation
隨后又以在連續調制光輻照下的各向異性介質的熱傳導理論為基礎，通過so （ 3 ）群轉動理論，導出確定任意不透明各向異性介質在笛卡兒坐標下的熱導張量和熱導主軸方向的測量方法。The heat - transfer c alculation proves that this axial direction gas - flow can do good to the rotor heat - emitting. when the rotating speed of rotor increases, the quantity of the axial gas - flow increases two
通過傳熱計算說明楔形氣隙所產生的軸向風量對轉子具有一定散熱能力，並且隨著轉速升高，軸向風量相應增大。In fluent, the flow field of the tube wall, center, top, middle and bottom of the evacuated solar collector tube can be observed, the temperature - time curve and radial temperature gradient can be obtained, the heat loss of different part can be directly captured. 3. all kinds of effect factors of the flow field and temperature field have been analyzed
通過fluent計算，清楚地觀察到太陽能真空集熱管壁面和中心部分，頂部、中部和底部在各種工況下的流場分佈均不相同；得出了各種工況下的溫度-時間變化曲線，沿軸線方向的溫度梯度；同時還計算了各部分熱損的傳熱流量； 3( 2 ) axial pre - swirling inflow on high radius holds back the further transmission of heat effectively, to inner part of cavity
（ 2 ）軸向高位進氣有效地阻止了熱流向盤腔內端縱深傳遞，在進氣加有預旋時效果更好。This co. has continued the development and research of new products used as the accessories of both automobile and motor bike and the products available now are universal joint cross shaft, drive shaft assembly, steering pull - bar, joint etc. series, they are well sold to the markets in southeast asia, europe and america
我公司生產的：萬向節十字軸傳動軸總成轉向拉桿接頭等系列產品行銷東南亞及歐美市場。熱切歡迎海內外客戶來電來函洽談合作意向。The energy equation of the thrust chamber wall was developed by omitting radical heat conduction and only considering the radiation heat transfer of the four chambers, the radiation leakage through nozzle exit, the axial and circular heat conduction
忽略徑向導熱，考慮推力室外向的相互及自身輻射交換、內壁經噴口的輻射泄漏以及周向和軸向的傳導熱量，建立了推力室壁的能量方程。For verify the test theory, we used the numerical method the simulated the instrument heat exchanging. thus we checked the axial heat disturbing how to influence the test results, and checked the test time ’ s influence the test result, finding the time limit to avoid the natural convection influence
運用數值方法模擬了測試儀器的實際傳熱過程，結果表明熱絲端部的軸向熱流在短時間內對測試的結果影響較小，採用雙熱絲可以有效避免端部效應。Axial heat conduction
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