熱交換面 的英文怎麼說
中文拼音 [rèjiāohuànmiàn]
熱交換面
英文
heat exchange surface-
As to the work about theory analysis, at first, the paper describes the atomizing and humidifying process of the centrifugal nozzle with firing pin type, high pressure and little aperture and liquid physical properties. later, combining with the structure characters of this kind of nozzle, the paper studies on the theory of the atomizing and humidifying process by three phases, which is water film forming phase, water film falling into pieces phase, and heat and mass transfer between water and air phase in turn
理論工作方面，首先描述了撞針型高壓小孔徑離心式噴嘴的霧化加濕過程和液體的物理性質，然後結合撞針型高壓小孔徑離心式噴嘴的結構特點，將其霧化加濕過程分三個階段進行機理上的研究，這三個階段依次為液膜形成、液膜初次破碎及二次霧化、水與空氣的熱濕交換。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。The temperature distribution on the high temperature side of an electric tunnel furnace is analysed and simulated on the basis of the principle of thermal radiation by the way of thb ( thermal heat balance ). the heated silicon carbon sticks are decomposed into innumerable tiny heating faces, which exchange the heat with the heated materials. a numerical model based on the radiation intensity law is constructed to calculate the energy absorbed by the heated materials and simulated by a computer. the results showed that the even distribution of temperature can be obtained by optimizing the arrangement of the silicon carbon sticks according to the calculation results to make the structure design more reasonable. these calculation results have been used in the practical designs and the expected objectives achieved
利用熱輻射原理，採用熱平衡法對電熱隧道窯的高溫恆溫區溫場進行了分析和模擬.計算中將發熱棒分解為無數微元發熱面與燒結體進行熱交換，依據輻射強度定律，建立了燒結體接收能量的數學模型，並用計算機進行了模擬計算.結果表明，依據模擬結果來優化硅碳棒的排布，可使結構設計更加合理，進而可以獲得分佈均勻的恆溫區溫場.計算結果已在窯爐設計中應用，實踐效果良好A transfer model is established, which can be used to study the interaction between the land surface physical processes of inhomogeneous region and the structure of atmosphere boundary - layer over urban and rural terrains. the model has simulated surface heat flux, surface temperature, temperature profiles, height of mixture layer and so on. and the differences between urban area, suburban area and rural area have been compared. this model mainly depends on the parameters below : surface albedo, surface roughness coefficient, moisture available coefficient of soil, thermal capacity and thermal diffusion coefficient of errain, cloudage. the result shows that this model can simulate the structure and eigenvalues of atmosphere boundary layer and their changes in a day. parameters used in this model aim at beijing city, and the time is at the beginning of september. to other cities, or other time, the parameters should be adjusted accordingly. in addition, being adjusted, the model can also be used for other homogeneous and inhomogeneous terrains
模式主要依賴于以下參數和物理量：地面反照率下墊面粗糙度土壤的可含水量下墊面的熱容量和熱擴散系數雲量等參數。結果表明，本模式能合理地模擬不同地表熱量平衡地表氣溫混合層高度湍流交換系數湍流動能位溫廓線等，以及它們的日變化。該模式所取參數主要針對北京市，時間為九月初，對于其他城市，參數應作相應的調整。Abstract : based on the analysis of influence of tubular rib construction on heat transfer area on steel blank and heat transfer space in furnace, a t - shape support system for tubular rib is presented, by which the construction of wholly overhead furnace hearth can be realized for large and medium scale continuous reheating furnaces, making furnace gases to come into full contact with steel blank, raising space utilization ratio of furnace chamber and improving heat exchange
文摘:分析了爐筋管結構形式對傳熱空間、坯料受熱面積的影響；提出採用t形支撐技術優化爐筋管，可實現大、中型連續加熱爐的全架空爐底，使爐氣與坯料表面充分接觸，提高爐膛空間利用率，可較大幅度提高爐膛熱交換。Similarly, the net radiation on a cloudy day is mainly used up evaporation of soil. the integrated value of soil heat flux is negative on a cloudy day and that shows the soil emits the heat, which is different on a clear day. in short, average latent, sensible and soil heat flux is 67 %, 21 % and 6 % of net radiation respectively
在裸地下墊面時，晴天潛熱佔到凈輻射的60 ，顯熱交換只佔到19 ，在陰天凈輻射同樣主要消耗于土壤蒸發，與晴天不同的是在陰天土壤熱通量積分值小於零，表明土壤在向外釋放熱量；平均狀況下，潛熱、顯熱和土壤熱通分別佔到凈輻射的67 、 21和6 。Although a variety of techniques, such as addition of surface area, swirl flow devices, vibration of heated surface, vibration of fluid, are applied to enhance heat transfer, major improvements in heat transfer capabilities have been held back because of the low thermal conductivity of conventional heat transfer fluids
隨著對熱交換設備換熱表面強化傳熱技術研究的深入，換熱工質的傳熱性能已成為影響熱交換設備高效緊湊性能的一個主要因素，低導熱系數的換熱工質已成為研究新一代高效冷卻技術的主要障礙。Heat exchanger inside the tank which provides more than 1. 2m2 of heat transfer area
水箱內的熱交換可以提供不止1 . 2m2的換熱面積。The modified model took into account not only the coupled heat transfer of conduction, convection and radiation, but also the heat convection between each zone caused by temperature difference and airflow
該模型綜合了墻體熱傳導、壁面對流熱交換以及內部控制體之間的對流熱交換過程。Noise measurement on machines ; airborne noise measurement, enveloping surface method, air - cooled heat exchangers air coolers
機器噪聲的測量.空氣噪聲測量.包絡面法.空氣冷熱交換The correlation analysi s between sst and sea surface height, heat content and depth of thermocline also shows the important role of ocean dynamic processes in some regions, besides the influence of heat exchange between air and sea
Sst與海表面高度、熱含量、溫躍層深度等的相關分析也表明，在某些區域，除受海洋-大氣之間熱交換的影響外，海洋動力過程對sst的影響也占重要地位。Hard chrome - coated surface. surfaces : mirror, halfmirror, fine mist and mist. jacket spiral cooling water forced heat exchange
表面鍍硬鉻潞，鏡面、半鏡面、細霧面和霧面四種表面狀態。夾套螺旋式冷卻水強制熱交換結構。( 3 ) compared with bare soil, income of net radiation declined, apparent heat weakened and latent heat exchange were almost disappeared on the soil surface with film
（ 3 ）薄膜覆蓋于土壤表面后，與未覆蓋的土壤相比，地表凈輻射r _ n收入下降，顯熱交換p減弱，潛熱交換le趨于零。Soil heat flux from atmosphere to soil is about 5 % of net radiation on a clear and cloudy day and soil discharge energy to atmosphere on a rainy day above the same field. in brief, average latent heat, sensible heat and soil heat flux is 40 %. 50 % and 10 % of net radiation respectively
在春小麥下墊面，晴天能量主要消耗于農田蒸散，而在陰天顯熱交換大於農田蒸散耗熱；在晴天和陰天大氣向土壤的能量傳輸均維持在凈輻射的5左右，雨天時，土壤熱通量為負值。Matched with optimal refrigeration system of high - efficiency heat output which applies fiber - tube vaporizer and in - line condenser and increases the heat transfer area while saving more power
優化製冷系統匹配，採用絲管式蒸發器和內藏式冷凝器，有效增大了熱交換面積，耗電更省。The immersion electrical heater is chiefly applied in the direct contact mode of fluid heating. it features fast heat exchange and high thermal efficiency. it has the varieties of water heater, oil heater and gas heater. its heating element power density, i. e. the power per unit of heating area of the heating element, is an important parameter of the electrical heating element, which has a direct bearing on the performance and working life. the working out of the value is a highly specialized problem, being under the influence of many factors ( media flow rate, tempt, physical and chemical properties and direction in which the medium flows past the element etc )
浸入式電加熱器主要用於直接對流體接觸加熱的場合，具有熱交換快，熱效率高等特點，分為水用加熱器、油用加熱器、氣體用加熱器，加熱元件的功率密度：即電加熱元件單位發熱面積上的功率，它是電加熱元件極重要的參數，直接影響加熱器的使用性能及使用壽命，它的取值是一個非常專業的問題，受到許多因素的影響（如介質的流速、溫度、物理和化學性質及介質流過加熱元件的方向等等） 。Roadbed construction on permafrost will give substantial disturb for the heat and mass transfer balance between the ground surface and atmosphere, usually, roadbed construction increases the amount of absorbed heat via vegetation removal, solar radiation and increased role of water activities in the adjoining area, then cause the local degradation of the permafrost underneath, as a result may lead to damage of the roadbed
多年凍土區道路的修築，改變了原來天然地表與外界的熱交換關系，通常由於地面植被的破壞、太陽輻射和水的影響，導致進入地層中的熱量增加，引起多年凍土區凍土的融化，從而導致路基面破壞。Single - layer model is convenient to apply but the unclear relationship between radiative and aerodynamic temperatures is still a bottleneck in this field. a new method was developed to derive reliable surface heat fluxes from radiative temperature viewed from arbitrary zenith angle. aerodynamic and radiative temperatures are connected through a so - called optimum component fraction ( ocf ) parameter - the fraction of vegetation in the field of view when the two temperatures are equivalent in oblique viewing
該方法利用表面熱輻射方向性和顯熱通量都是源於土壤和植被溫度的貢獻這一共同點，發現在一定傾斜角度的觀測下，視場中植被與土壤的比例可以較好地反映植被和土壤與大氣進行湍流熱交換的貢獻率，所以稱該方法為最佳組分面積比法，用最佳組分面積比可以將任意角度下觀測到的輻射溫度訂正為空氣動力學溫度，經過地面和遙感數據驗證表明，用該方法計算的通量精度高於普通的單層模型。Finned tube is used to product various of efficient heat exchanger devices, especially in the remaining heat using area
翅片管用於製造各種高效率的熱交換器，特別在余熱利用方面大顯神通。A mathematical model is developed for simulating transient performance of the turbofan engine, in which the transient heat transfer between the components and airflow, tip clearance and components efficiency changes caused by heat transfer are analyzed
摘要以某渦扇發動機的過渡態性能模擬為研究對象，建立了過渡過程中零部件與氣流之間的不穩定熱交換、由於熱交換引起的間隙變化以及引起的部件效率變化的數學模型，並且將此模型引入面向對象的航空渦扇發動機過渡過程性能模擬程序的框架中。分享友人