摩擦加熱 的英文怎麼說
中文拼音 [mócājiārè]
摩擦加熱
英文
friction heating-
The spherical particles are swept as droplets or volatilized and recondensed from a meteorite as it is heated to incandescence by friction in the upper atmosphere.
球形粒子是由小滴吹刮或者由在高層大氣中被摩擦加熱到白熾化的隕石揮發並重新凝結而成。The fifth chapter sum up the article and view the work. the simulation results indicate : ( 1 ) exchanging of sea - air and force of dynamical and thermodynamic processes is very important to bring and maintain sea surface wind. shf is mostly energy sources and lhf is negative effect in some area
模擬結果充分表明： （ 1 ）感熱和潛熱的海氣交換和動量交換（摩擦作用）對于海面風的發展和維持起著重要作用，潛熱加熱是海面風中最主要的能源，感熱通量在一武漢理工大學碩士學位論文定區域對海面風風場有負面影響。Its heating mixing has self - friction, electric heating and steam heating modes
熱混具有自摩擦和電加熱及蒸汽加熱功能。The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film
試驗結果表明：所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求；聚四氟乙烯樹脂熱分解溫度超過400 ，但在ptfe中加入無機填料會使復合材料吸水率提高，熔融溫度及分解溫度降低，且伴有氧化分解反應；碳纖維表面含有c = o及c - o - c等極性基團，有利於提高其與其它組分的相容性，提高層間剪切強度；均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系，擬合曲線基本能表示各配方的摩擦系數發展趨勢；配方中不加銅粉或不加石墨，其摩擦系數均較高，說明銅粉和石墨應該配合使用；當銅粉15份、石墨60份時，銅粉30份、石墨30 - 40份時，銅粉60 、石墨15 - 30份時，摩擦系數均具有較低值；純聚四氟乙烯樹脂在空氣冷卻時結晶度最大，磨損量也是三者中最大的；同時，固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的：不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副，在金屬表面均可形成潤滑轉移膜，從而減少金屬摩擦副表面間的直接接觸，大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。Its heating mixing has self - friction, electric heating
熱混具有自摩擦或電加熱及蒸汽加熱功能。It calculates the effects during each time step of winds carrying along the various atmospheric properties and of the processes of evaporation, rainfall, surface friction, infrared cooling and solar heating that occur in the area of interest
在每個時步里，模式計算的作用包括：各種隨著風改變的大氣性質、蒸發過程、降水、表面摩擦以及在重要地區的長波輻射冷卻與日照加熱。This paper develops a brain tumors heating curing instrument, which is based on the endogenetic field. it works by heating the ion and polity elements in the tumors organization, making the molecule twist and fracture. in that way, the temperature in the brain tumors is 3 ~ 7 c higher than the normal organization, and kills the brain tumor
本文研製了一種基於內生場的腦腫瘤射頻熱療儀，通過內生場加溫促使腫瘤組織的離子和極性分子在電磁場中發生分子扭動、摩擦，產生熱滯留，使得腫瘤組織的溫度高於周圍正常組織的3 ~ 7 ，從而燒死腦腫瘤細胞，達到安全治愈腫瘤的目的。The experimental results of the flow characteristics of the mmc heat sink indicate that the critical reynolds number signifying the transition from laminar flow to turbulent flow is in advance ; under the same experimental conditions, the variation in entrance direction of the microchannel inlet and outlet has little effect on the microchannel ; the experimental values of the friction factor of the de - ionized water in a microchannel agree well with those calculated using the theoretical laminar formula ; furthermore, a comparison of the experimental results and simulation results shows that navier - stokes equation and rng - turbulence model can be used to model the laminar and turbulence flow regions in a microchannel ; meanwhile, the correlations of the flow resistance in the turbulent flow regions for the de - ionized water as the working fluids are obtained from experiments
對歧管式單通道熱沉流動特性的研究結果表明，微通道內流體流態由層流向紊流轉變的臨界雷諾數提前;改變流體的進出口方向對熱沉總壓降造成的影響很小;摩擦系數的實驗值與理論值較接近;數值模擬結果能夠與實驗值較好吻合;並由實驗給出了紊流區流動阻力的實驗關聯式。此外，選用十二烷基硫酸鈉（ sodiumdodecylsulphate ， sds ）以及烷基多糖苷（ alkylpolyglycoside ， apg ）作為減阻添加劑，研究了表面活性劑添加對微通道流動特性的影響。It has self - friction heating and electric heating modes and many others
備有自摩擦和電加熱等多種加熱方式。The roughness coefficient experiments indicate that the change in tropical cyclone intensity will be varied with different coefficient. also the experiment indicates the wind of tropical cyclone is reduced by the land and the effect of an tropical cyclone landfalling process could result in the height increasing of tropical cyclone boundary layer
通過不同的陸地粗糙度參數數值試驗，結果表明，粗糙度越大，熱帶氣旋強度減弱越多，其造成的非對稱結構也越明顯；而且，由於登陸作用，陸地一側的地表風減小，登陸的摩擦作用將可能導致邊界層的高度增加。Taking the radial forging process of the rd2 axle for example, the characteristics of the forging heating and forging craft and radial process in sliding method have been analysed with establishing the sliding field code and doing a speed diagram of the radial forging deformed process
摘要以rd2車軸徑向鍛造為例，分析了其鍛造加熱及鍛造工藝的特點，並且用滑移法分析徑向鍛造變形過程，建立了外摩擦影響下的滑移場模式，並做出了與之相對應的速端圖。The one of the loss of effectiveness is the friction piece ' s bum of the clutch, there fore, in the designing of priority, the clutch ' s with of friction power is smaller than the permitted value in the reduction of the starting the truck, and it also increases the permitted condition of decreasing cloth ' s friction hot volume
選擇出摩擦片最佳參數，並保證離合器的機械性能是摩擦片參數優化的目標，本課題中由於失效形式之一是離合器摩擦片燒傷。因此，在優化設計中除保留減少汽車起步過程中離合器的單位面積滑磨功小於其許用值的約束條件外，還增加了降低離合器的滑磨熱容量的約束條件。As the matter falls toward the neutron star or black hole, it is heated by frictional forces to tens of millions of degrees, and produces x - rays
當物質落向中子星或黑洞時，會被摩擦力加熱到幾百萬度，並產生x射線。The friction heat in spindle bearings has obvious influences on the speed and dynamics, and is an important reason to limit machining tools for higher speed and precision
主軸軸承的摩擦熱顯著影響主軸單元的速度和動力學性能，是制約提高加工效率和精度的主要因素。It has applied self friction and electrical heating methods. discharging of material includes two types, temperature automatic control and manual control
備有自摩擦和電加熱等多種加熱方式。卸料採用溫度自動控制和手動控制兩種。Many kinds of the heat sources ( frictional heat, cutting heat, ambient temperature, etc ) in machining system produce a kind of temperature distribution. this temperature distribution induces thermal deformation between machine tools, tool, work - piece and work holding fixture. this deformation affects the relative displacement between the work piece and the cutter, causes the manufacturing errors, and influences the machining accuracy of the work - piece
在機械加工中，工藝系統在各種熱源（摩擦熱、切削熱、環境溫度、熱輻射等）的作用下，產生溫度場，致使機床、刀具、工件、夾具等產生熱變形，從而影響工件與刀具間的相對位移，造成加工誤差，進而影響零件的加工精度。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。分享友人