輻射預熱 的英文怎麼說

中文拼音 [fúshèyùrè]
輻射預熱 英文
radiation preheating
  • 輻 : 名詞（車輪中車轂和輪圈的連接物） spoke
  • 射 : Ⅰ動詞1 （用推力或彈力送出） shoot; fire 2 （液體受到壓力迅速擠出） discharge in a jet 3 （放出） ...
  • 預 : Ⅰ副詞（預先; 事先） in advance; beforehand Ⅱ動詞（參與） take part in
  • 輻射 : radiation; exposure; radio; beaming
  1. The absolute temperature changes, however, are from 5 to 14 times greater than would be expected on the basis of carbon dioxide " s own ability to absorb infrared radiation, or radiant heat

    可是，氣溫變化的絕對值是根據二氧化碳自身吸收紅外輻射能或輻射熱能的能力預期能產生的氣溫變化的5倍到14倍。
  2. Compared with traditional mechanical and optic gyros, hrg has such advantages as no high speed circumvolving or moving parts in structure, no warm - up time and short start - up time, wide signal band in frequency, low excursion noises, great endurance in over loading, nuclear radiation and short time power off, small bulk, light weight, low power cost and long life, which is suitable for space applications

    與傳統的機械陀螺和光學陀螺相比，半球諧振陀螺具有如下優勢:結構上無高速轉子、無活動部件;不需預熱，啟動時間短;信號頻帶寬，漂移噪聲低;能承受大的機動過載;抗核輻射，並可經受短時間電源中斷的影響;體積小，重量輕，功耗低，壽命長，非常適合空間應用。
  3. We specialize in manufacturing & developing the high efficiency self recuperative gas burners, which are widely used in direct heating and the radiant tube in various industrial heat treatment furnaces

    本公司專業生產和開發高效率空氣自身預熱式燒嘴，廣泛應用於各種工業熱處理爐的明火或輻射管加熱
  4. By apparent temperature model based on body heat balance theory and suitable in china, using outputs from meso - scale numerical forecast model mm5v36 and atmospheric radiation transmission model modtran3. 0, apparent temperature every 1 hour, 3 hours and 6 hours were forecasted and their application in traveling and dressing meteorology were analyzed

    利用中尺度數值預報模式mm5v36和大氣輻射傳輸模式modtran3 . 0及基於人體熱量平衡的全國普適體感溫度模型完成了幼年、老年和成年三個不同年齡段的人群每小時、 3小時和6小時體感溫度的預報。並將預報結果應用於旅遊和著裝厚度預報。
  5. Noise, nedt, nep, and detectivity of microbolometer arrays are also considered. the work will provide the insight necessary to understand the optimum design and practical operating requirements of microblolmeter arrays. this paper provides a low cost and more practical software tool for predicting and evaluating parameters of the detector

    對微測輻射熱計性能進行了計算模擬，為非致冷微測輻射熱計紅外探測器性能預測和評估提供一種準確、快速、低成本的方法，並且開發了一整套對測輻射熱計探測器進行計算機優化設計的模擬軟體。
  6. It now provides weather forecasting, tropical cyclone warning and various other meteorological services to meet the needs of shipping, aviation, industries and the general public. it is also involved in a wide range of other activities such as seismology, physical oceanography, radiation monitoring and assessment and the determination of the official time in hong kong

    目前天文臺除了為航空界航海界工業界和公眾提供天氣預報熱帶氣旋警告和特殊氣象服務外，在有關地震海洋物理測定香港標準時間輻射的監察和評估等方面也有廣泛的研究和分析工作。
  7. Especially, global transformation, the water balance, carbon balance and drought forecast in district, etc, which all require quantitative surface flux. by all appearances, these fluxes all do n ' t need to be distributed in spots, but in area

    尤其全球變化、區域水分平衡、碳平衡和區域旱災預報等等都需要定量的地表通量信息（輻射通量、顯熱通量、潛熱通量、土壤熱通量） 。顯然，這些通量均要求區域分佈的而不是單點數據。
  8. It is very difficult to analyze flame radiation in the cylinder of a diesel engine by theoretical method since flame radiation is a function of many parameters, such as the combustion process, the geometrical description of the chamber, the soot formation and oxidation processes, the soot radiant temperature and soot absorption coefficient. the radiant property of the flame in a cylinder is dependent on the combustion process. but the thermodynamic state of real engine cycles can be analyzed from the pressure - volume diagrams in the cylinder. thus a new thermodynamic computational model is set up for the flame radiation in the cylinder of a diesel engine based on the indirect relationship between the flame radiation and the pressure - volume diagram of the combustion process in this paper. the flame radiant heat flux in the cylinder of a di diesel engine is calculated with the variation of crank angle by this model. compared with measured values, the result of the computational values shows the model is available to represent the effects of flame radiation

    柴油機缸內的火焰輻射受諸多因素的影響，用理論分析法來確定它是相當困難的，由於柴油機缸內火焰輻射特性依賴于缸內的燃燒過程，而燃燒過程中的實際熱力狀態又可用示功圖來分析，因此藉助於火焰輻射與缸內熱力參數之間的這種間接關系，建立了一種計算柴油機缸內火焰輻射傳熱的新模型，利用該模型對一臺直噴柴油機缸內火焰輻射熱流量隨曲軸轉角的變化情況進行了計算，將計算結果與實測結果進行了比較，表明該模型能較好預測缸內火焰輻射傳熱量。
  9. Abstract : the in servie tubular heaters built early in refineries and chemical plans have low thermal load and low heat efficiency, therefore measures for technical reform are offered, including ( 1 ) enlarging the surface area of convection tubes to increase the thermal load of rhe convection section ; ( 2 ) increasign the heat interchanging area of radiant tubes ; ( 3 ) changing the height of the chimney ; ( 4 ) using new burner with forced air supply to increase calorific capacityu ; ( 5 ) adding air preheater between the convection section and chimney to enhence the temperature of the air entering the furnace ; ( 6 ) adopting high temperature radiant coating to improve the effect of radiant heat interchanging

    文摘:針對早期建造的煉油廠和化工廠在役管式加熱爐熱負荷和熱效率低的狀況，提出了若干技術改造措施包括，增大對流管表面積以增大對流段的熱負荷；增加輻射管的換熱面積；修正煙囪高度；換用新型燃燒器，變自然通風為強制供風，以增大燃燒器的發熱量，減小過剩空氣系數，節省燃料2 % 3 % ；在對流段和煙囪之間增設空氣預熱器以提高空氣入爐溫度；採用高溫輻射塗料增強輻射換熱效果，從而增加熱源對爐壁的輻射傳熱量和爐管的傳熱量等。
  10. The in servie tubular heaters built early in refineries and chemical plans have low thermal load and low heat efficiency, therefore measures for technical reform are offered, including ( 1 ) enlarging the surface area of convection tubes to increase the thermal load of rhe convection section ; ( 2 ) increasign the heat interchanging area of radiant tubes ; ( 3 ) changing the height of the chimney ; ( 4 ) using new burner with forced air supply to increase calorific capacityu ; ( 5 ) adding air preheater between the convection section and chimney to enhence the temperature of the air entering the furnace ; ( 6 ) adopting high temperature radiant coating to improve the effect of radiant heat interchanging

    針對早期建造的煉油廠和化工廠在役管式加熱爐熱負荷和熱效率低的狀況，提出了若干技術改造措施包括，增大對流管表面積以增大對流段的熱負荷；增加輻射管的換熱面積；修正煙囪高度；換用新型燃燒器，變自然通風為強制供風，以增大燃燒器的發熱量，減小過剩空氣系數，節省燃料2 % 3 % ；在對流段和煙囪之間增設空氣預熱器以提高空氣入爐溫度；採用高溫輻射塗料增強輻射換熱效果，從而增加熱源對爐壁的輻射傳熱量和爐管的傳熱量等。
  11. In this article, constituting some the equations which reflect the flow law and building and applying many mathematical models of physical and chemical reactions in the the plasma ignition : applying k - two equations turbulence model to calculate the turbulence parameter supplying simplied reaction systerm model and applying eddy break - up model and p - i thermal radiation model. with these reasonable simplied modles, numerically simulating the flow field in the plasma ignition. during the numerical simulation, applying the body - fitted coordinates for the complex geometry of the computional field ; using the mixing format to disperse the equations ; applying simplec algorithm method to solve the equations ; using above models and methods, it can get flow field distribution ; including temperature, pressure, turbulent kinetic energy and its dissipation rate, turbulent viscosity, velocity, density. these results are significant to design and improve the plasma ignition

    本文旨在通過構造反映等離子點火器內部流動規律的基本方程組，建立描述等離子點火器內部的復雜物理化學過程機制數學模型：模擬等離子發生器內部燃燒的-雙方程湍流流動模型；模擬氣體燃料在燃燒時中化學反應的簡單化學反應系統模型；模擬等離子點火器內部湍流預混燃燒的漩渦破碎模型；模擬等離子點火器高溫燃氣及其壁面的p - i輻射換熱的模型等等，對模型進行一定的合理的簡化，然後數值模擬等離子點火器內部流場的流動。
  12. The big bang model, which states that almost 14 billion years ago the universe started expanding from a state of extremely high density and temperature, is able to explain galaxy motions, the abundance of hydrogen and helium, and the properties of the cosmic microwave background ( cmb ), the remnant heat from the expanding and cooling gas

    大霹靂模型指出，宇宙于約140億年前自極度高溫、高密度的狀態開始擴張，這理論不但可以解釋星系運動以及宇宙中氫與氦的含量，而且還預測了宇宙擴張時，冷卻中氣體的殘餘熱輻射，也就是宇宙微波背景的各項性質。
  13. Ebu - arrehenius and second - moment turbulent combustion model are used to determine the reaction rate. to consider the influence of heat radiation on the gas temperature and wall temperature, the six flux model is applied to predictions of heat flux distributions. the discretization of governing equations on a non - staggered grid system is performed by hybrid scheme over the control volume, and discretization equations are solved with simple algorithm

    利用橢圓型微分方程法和區域法生成三維貼體網格，文中數學模型有紊流模型、紊流燃燒模型和輻射模型，採用k -雙方程模型來預估紊流特性， ebu - arrehenius和二階矩紊流燃燒模型來估算化學反應速率，六通量輻射模型預估輻射通量，以便考慮熱輻射對壁溫和氣流溫度的影響。
  14. Using field emission cathode, x ray source can be made with several advantages : smaller volume and brighter, high frequency response, in - time turning on, etc. considering of the merits and potential markets, researching and fabricating miniature x - ray source is meaningful

    由於突起數目大且尖端頂端電場強度高，因此產生很大的場發射電流密度。採用場發射陰極的x射線光源具有體積小，輻射強度高，頻率響應快，可以隨時開啟，無需預熱的優點。
  15. When a food material such as meat absorbs far - infrared radiation, the material itself becomes heated

    輻射熱是發射出來的遠紅外線被素材肉吸收，該素材具有預熱陶瓷的特徵。
  16. We also propose a method generating ir target images from visible images in the same scene. by pre - generation ir depth texture images using the calculation software of atmosphere radiation propagation and considering the mechanism of the noise disturbance of thermal imager, we successfully realize the real - time generation of dynamic ir scene and its virtual walkthrough

    提出了由可見圖像轉化生成場景目標紅外圖像的方法，採用了大氣輻射傳輸計算軟體和考慮熱像儀噪聲擾動機制的方法來預生成紅外深度衰減紋理圖像的模型，實現了動態紅外場景的實時生成和虛擬漫遊。
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