旋轉熱管 的英文怎麼說
中文拼音 [xuánzhuǎnrèguǎn]
旋轉熱管
英文
rotating heat pipe-
Cylinder dryer is a dind of rotatin continuous drying equipment with internal heating conducting - style, certain thickness of materials film theres to the lower trough of materials under the rotating cylinder. heat is transferred to the internal wall of the cylinder through pipes and misfired ahain to the external wall and to materials film, to evaporate and damnify moisture in materials film so as to dry materials
滾筒乾燥機是一種內加熱傳導型轉動連續乾燥設備。旋轉的滾筒通過其下部料槽，粘附著一厚度的料膜。熱量通過管道輔送至滾筒內壁，傳導到滾筒外壁，再傳導給料膜，使料膜中的濕度得到蒸發、脫濕、使含濕份的物料得到乾燥。Hot air cnters into stirring and crushing and drying chamber from the bottom of drier with suitable atomizing speed. it exerts strong shearing, blowing, floating and rotating effect to raw material. therefore raw material is granulated through centrifuge, shearing, impacting and friction effect
熱空氣由入口管以適宜的進風速度從乾燥機底部旋轉進入攪拌粉碎乾燥室，對物料產生強烈的剪切、吹浮、旋轉作用。The main object of this dissertation is to set up a temperature measurement system of thermochromatic liquid crystals. furthermore, a twisted tape is inserted into the tube to produce rotary jetting, and rotary jet impingement heat transfer is studied
本論文研究的目的是建立一套熱色液晶測溫系統，在管內插入扭轉帶，產生以二氧化碳為工質的旋轉射流，然後採用液晶測溫技術對旋轉射流沖擊冷卻換熱進行研究。Rotary jet impingement heat transfer is a complex enhanced heat transfer technique which uses two kinds of ways to improve heat transfer coefficients greatly. quantitative temperature measurement using thermochromatic liquid crystals ( tlcs } is a " field " temperature measurement technique
旋轉射流沖擊冷卻換熱是一種復合強化傳熱技術，它是將射流沖擊與管內插入扭轉帶這兩種強化措施同時應用，以期獲得更大傳熱效果的技術。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。Thermoplastics pipes - determination of resistance to external blows - round - the - clock method
熱塑性塑料管材耐外沖擊性能試驗方法時針旋轉法Our factory increase a set of intensifier with non - grade - adjustable rating speed to form the intensive air drying, the wet material mixed with hot air fully by screw feeder in the intensifier and material surface is crashed into fine granules and moving to the outlet as well as drying, under rapid rotating hitting and pushing. in the long run, the materials get a further even drying in the dryer pulled by the wind force and those wet and weighty granules the wind force can not pull continue to be crashed, dried until they are pulled by the wind force into the dryer
我廠強化型氣流乾燥是在基本型上增加一套轉速可以無級調節的強化器組成，濕物料通過螺旋加料器進入強化器后和熱氣流充分混合，在飛速旋轉的擊刀擊碎和推進下，物料被破碎成細顆粒，在乾燥同時向出口移動，最後在風力吸引下進入乾燥管，進一步均勻乾燥，風力無法吸引的濕重顆粒繼續被擊碎、乾燥、直至能被風吸起進入乾燥管。Theoretical analysis of thermodynamic process inside the receiving tubes of rotating thermal separators
旋轉式熱分離機接受管內熱力過程的理論分析Rotating pipes system are often encountered in the rotary machinery of engineering applications. with the popularity of rotary machinery in industry, the characteristics of the fluid flow and heat transfer in the controlling pipe system, the transporting pipe system, and the cooling pipe system are the main factors to improve the efficiencies of the rotary machinery. meanwhile, when a man is in the aerocraft with a high rotating speed or in the rotating machine for training, the flow in the blood vessel of body will change evidently and so the study on the flow in the blood vessel also becomes the important research field in the aerial - physiology
在旋轉狀態下，這些曲線管路系統中的流動和換熱特性將會發生什麼樣的變化，是對管路系統的性能以及旋轉裝置的運行安全至關重要的問題，也是管道流動中研究很少，又是迫切需要解決的課題；同時，這個課題還可以應用於生物流體力學：當人體處于作高速旋轉或曲線運動的飛行器或宇航飛行員訓練的旋轉裝置中，人體血管內血液流動將會發生什麼樣的變化，是航天生理學研究的重要課題。Characteristics of fluid flow and heat transfer in a rotating helical rectangle duct
旋轉矩形截面螺旋管內對流傳熱特性的研究Electrical, thermal and loading characteristics of rotating anode x - ray tubes for medical diagnosis
醫療診斷用旋轉陽極x射線管的電熱和負載性能An investigation of heat transfer performance of stepped - wall rotating heat pipe
臺階型旋轉熱管傳熱性能的試驗研究Then, a twisted tape is inserted the tube to produce rotary jetting, and rotary jet complex enhanced heat transfer for carbon dioxide jetting in air is studied by the thermochromatic liquid crystals temperature measurement system
在此基礎上，在管內插入扭轉帶產生旋轉射流，採用熱色液晶測溫系統對二氧化碳為工質的旋轉射流復合強化傳熱進行了研究。When the rotation has the same direction with the axial velocity, the effect of rotation enforces the intensity of secondary flow and the heat convection, the friction factor and the nusselt number increases as f increase ; when the rotation has the opposite direction with the axial velocity, the flow structure becomes more complicated, for f = 1. 2, the complicated structure of secondary flow generates, the friction facior and nusselt number almost has the same value of stationary straight pipe
當旋轉方向和主流方向相同時，旋轉的作用加強了二次流的強度，使得管道摩擦系數變大，管道換熱效果增強；當旋轉方向和主流方向相反時，管道內流動結構變化十分明顯， f - 1 . 2時，流動結構最為復雜，摩擦系數降至最低，換熱效果最弱。When the pipe is heated or cooled, the centrifugal - type buoyancy force has the obvious effect on the flow structure and temperature distributions, when the ra increases or decreases to a critical value for a given f, the buoyancy force instability also can be found
當管道被加熱或冷卻時，離心型浮力對流動結構和換熱特性作用明顯，給定的旋轉條件下，當ra _增大或減小到某一臨界值，流動會出現離心浮力型不穩定現象。It is found that, the heat transfer coefficients in the area after at stagnation point is higher than that of common jetting although the heat transfer coefficients are smaller at stagnation point, and, comparing to common jetting, rotary jetting contributes to the even distribution of heat transfer coefficients near stagnation point
結果表明，盡管旋轉射流的努謝爾特數在駐點附近低於普通射流的努謝爾特數，但在壁面射流區高於普通射流的努謝爾特數。與普通射流相比，旋轉射流導致駐點附近區域的換熱特性趨于均勻化。分享友人