輻射熱流 的英文怎麼說
中文拼音 [fúshèrèliú]
輻射熱流
英文
radiant heat flow- 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) ...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 輻射 : radiation; exposure; radio; beaming
- 熱流 : 1 (激動振奮的感受) warm current 2 [氣象學] thermal current; [熱學] heat transmission; thermal f...
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Radiating from the earth, heat causes air currents to rise
熱量由地球輻射出來時,使得氣流上升。Radiating from [ / url ] earth, heat causes air currents to rise
熱量由地球輻射出來時,使得氣流上升。In section one, by using fice scheme and time - gcm, a model of trace gases and oh airglow affected by gravity wave is set up, then the propagation of nonlinear gravity wave and the effect on trace gases and oh airglow are analyzed. the result shows gravity wave excited by tropospause forcing can propagate stably to the mesosphere through the stratosphere so that energy and momentum can be transferred from one region to another. in this process, gravity wave undergoes growth, overturning, convection and breaking
在第一部分的工作中,利用全隱歐拉格式和全球熱層-電離層-中間層-電動力學環流耦合模式( time - gcm ) ,對重力波的非線性傳播及其在傳播過程中對中高層大氣中氧族和氫族成分和與之密切相關的oh氣輝輻射的影響進行了數值模擬,結果表明,從對流層向上傳播的重力波經歷了產生、發展、飽和、對流產生直至破碎的非線性演化,大氣的非等溫結構加速了重力波在中層頂區的破碎,重力波的非線性傳播是小尺度對流和湍流產生的一個重要的源。Bolometers and pyroelectric detectors are the most common thermal detectores in uncooled ir sensors technolgy
非製冷熱成像探測器目前以微測輻射熱計和熱釋電探測器為主流。Heat transfer coefficient,comprising convective and radioactive components may strongly depend on the actual flow enthalpy and density.
由對流和輻射兩部分組成的熱交換系數極大地依賴于實際活動的焓和密度。Electric cables - calculation of the current rating - thermal resistance - a method for calculating reduction factors for groups of cables in free air, protected from solar radiation
電纜.額定電流的計算.熱變電阻.室外避免太陽輻射的電纜組減縮系數的計算方法The variations of sea ice in the arctic ocean are simulated by using a improved high resolution hibler dynamic - thermodynamic sea ice model during 1979 - 1998. the model is driven by surface atmospheric and oceanic forcing consists of geostrophic winds, surface air temperature, specific humidity, and longwave and shortwave radiative fluxes provided by international arctic buoy program ( iabp ). the simulated results show that arctic sea ice have noticeable seasonal and annual variability
利用一個hibler海冰熱動力模式,在改進了其熱力部分和改變模擬范圍以及提高解析度的基礎上,以北極國際浮標計劃( iabp )提供的1979 - 1998年間逐日變化的日平均海平面氣溫場,濕度場,長短波輻射場,風場,洋流場,海洋熱流量場為強迫場,模擬了上述20年間北極海冰的時空演變。Comparing shrinkage under bpec and conventional heating, we can conclude that obvious shrinkage occurred at relative lower temperature and velocity of shrinkage was greater under bpec heating
比較脈沖大電流和輻射加熱燒結過程中樣品的收縮,結果表明前者在相對較低的溫度即發生明顯的收縮,並且收縮速率大於後者。Intense ultraviolet radiation from the core heats the circumstellar gas to ten thousand degrees, and the velocity of the gas flowing away from the star jumps to about a million miles per hour
核心強烈的紫外輻射將星周氣體加熱到上萬度,從恆星流出的氣體速度躍升到了每小時百萬英里。Nitrogen screen, rare factive gas and nuclear heat are the mainly compos it ion
其中稀薄氣體對流熱、輻射熱和核沉積熱是熱負荷的重要組成部分。Using the matlab tools, a computer program is compiled to solve this mathematic model, by which simulations to the thermal environment of the heated space under different heating style are carried out. the simulations results and their analysis show that for different space with the same thermal comfort index, the energy consumption of low - temperature water floor radiant heating system is less than that of convection heating system
基於上述採暖空間的熱網模型,運用matlab數學軟體編程,對低溫熱水地板輻射採暖方式和對流採暖方式下房間的熱環境進行動態分析,並對這兩種採暖方式下採暖系統的能耗進行計算機模擬計算,結果表明低溫熱水地板輻射採暖系統相對于對流採暖系統有顯著的節能性。Standard method of test for critical radiant flux of floor covering systems using a radiant heat energy source
用輻射熱能源測定地板覆蓋物的臨界輻射流的標準試驗方法The new heat flux method for pure radiative heat transfer in rectangle enclose
新熱流法計算矩形空腔內的純輻射換熱After thermodynamic calculation on several operation conditions of the furnace, cold - state flow and resistance mensuration, the combustion of the tubular - furnace hearth was changed into swirl and addition of radiate cylinder and oxygen content detection minish 1. 25 surplus air to less than 1. 15, improving the combustion condition and convection and radiate heat transfer efficacy, resuling in reducing the waste - gas temperature 45, decreasing exhaust gas loss, and saving fuel by 6 %
摘要通過對加熱爐幾種工況進行熱力計算、冷態試驗的流場分佈及阻力測定和熱態試驗的爐膛溫度場分佈及管壁溫度等參數的測定,確定將管式加熱爐爐膛內直流燃燒改為旋流場燃燒和增加輻射筒,增設煙氣含氧量分析,可以將燃燒的過剩空氣系數從1 . 35減小到1 . 15以下,極好地改善爐膛內的燃燒狀況和對流輻射傳熱效果,從而降低排煙溫度45 ,減少加熱爐排煙損失,節約了煤氣量6 %以上。3. on boiler retrofit, the calculation of fuel burning, the heat calculation of boiler inside structure and convection section, and the design of structure parameter of feed water heat exchanger are made. the flue gas channels " resistance calculation and the boiler strength verifying are also carried out. replacement of water cooling wall improves heat exchanging and decreases loss of heat radiant
對鍋爐本體進行了燃料燃燒計算、爐膛結構熱力計算、對流受熱面結構熱力計算、鍋爐給水加熱器結構參數設計、煙道阻力計算及鍋爐元件強度校核等;改進了水冷壁布置使換熱效果更好,減少輻射換熱損失;改進對流段結構,更充分的利用爐膛出口煙氣余熱,提高熱效率;並且進行了煙氣阻力計算、熱效率計算和能量平衡測試,對改進后的稠油燃料和改進前進行了對比,燃燒狀況和熱效率有明顯改善。On the basis of the constitution and work principle of general drum brake and the heat transfer theory, the friction heat, the heat convection and the radiation recuperation of drum brake are analyzed detailed, and then the mathematics model of temperature rise calculation is built
在對目前常用的鼓式制動器結構和工作原理進行分析的基礎上,結合傳熱學的理論知識,詳細研究了鼓式制動器的摩擦生熱過程、輻射換熱過程和對流換熱過程,建立了其溫升計算的數學模型。Because the jets lie close to m106 ' s disk, the cocoon generates shock waves and heat the gas in the disk to millions of degrees, causing it to radiate brightly in x - rays and other wavelengths
由於噴流靠近m106的星系盤,繭狀結構會產生激波,將盤中的氣體加熱的幾百萬度,使其在x射線及其他波段上發出明亮的輻射。It uses solar radiation to provide upward momentum to a mass of air, thereby converting the thermal energy into kinetic energy
它利用太陽輻射作為動力,為空氣流動提供浮升力,將熱能轉化為動能。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。This paper has studied the drying dynamics experimental law of vegetable seed respectively in a fixed bed and a spiral vibrofluidized bed model dryer and simultaneously analysed seed physiology variation characteristics, and thereupon expounded the mechanism of vegetable seed heat and mass transfer enforcement, developed a spiral promotion vibrofluidized bed dryer for vegetable seed dehydration with high efficiency and good quality, energy saving
綜合工程熱物理和種子生理的研究方法,選用白菜與菜豆種子在固定床與振動流化床中進行了乾燥動力學實驗研究以及種子生理的同步測試,闡明了蔬菜種子乾燥的強化傳熱傳質機理,並在此基礎上研製了輻射-對流-導熱-振動綜合傳熱的優質、高效、節能的螺旋提升振動流化床蔬菜種子乾燥機。分享友人