熱輻射系數 的英文怎麼說

中文拼音 [rèfúshèxìshǔ]
熱輻射系數 英文
heat emissivity coefficient
  • 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） ...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 輻射 : radiation; exposure; radio; beaming
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. 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。
  2. It does not need much area, not any pollution, not consuming much electricity power, not need much cost. gshp combined floor radiation air - conditioning system possess high seasonal average cop value and great capacity of edaphic depositing heat energy, can ease up supplied water temperature fluctuating with the change of the outdoor air temperature

    地源熱泵技術聯合地板輻射對房間進行冷暖聯供的形式，具有地源熱泵季節性平均性能系數高、土壤蓄熱能力強、能緩解空氣源熱泵存在的供冷供熱能力隨環境溫度波動大的矛盾等優點。
  3. 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
  4. It has issued residential buildings energy design standard for heating zone hot summer and cool winter zone and hot summer and warm winter zone. for heating zone, the method of effective thermal transmittance based steady heat transfer is used for the energy consume calculation, for hot summer and cool winter zone and hot summer and warm winter zone, the method based dynamic heat transfer must be used for the energy consume calculation

    對居住建築，我國已頒布了包括採暖地區、夏熱冬冷地區、夏熱冬暖地區三個節能設計標準，對北方寒冷地區，用建立在穩態傳熱基礎上的有效傳熱系數法進行能耗計算；對夏熱冬冷地區、夏熱冬暖地區，圍護結構受室外動態溫度和太陽輻射熱的綜合作用，明確應採用動態方法計算圍護結構傳熱。
  5. The heat coefficient changing of the heater and reheat ; c. the leakage test of the working substance ; d. the damage test for the heat pipes of the radiator, were taken

    分析了穩態參數，完成了：吸熱器熱負荷擾動試驗、吸熱器及回熱器換熱系數變化試驗、工質泄漏試驗、輻射器熱管損壞試驗等多個模擬實驗。
  6. At last, there is a practical design of gshp - radiant system in a villa in chongqing. the compare of the gas - heater radiant floor system and the gshp radiant floor system indicates that the heating performance coefficient of the gshp is higher than the gas - heater to a large extent. in addition, this united system can use the closed circling water in the underground heat exchanger to remove the surplus heat load in transitional season

    通過燃氣熱水器制熱的輻射地板供暖與地源熱泵制熱的輻射地板供暖性能實驗的對比，可以看出地源熱泵的供熱性能系數高於燃氣熱水器，同時在長江中下游地區還可在過渡季節利用閉式循環水吸收土壤冷量對房間進行供冷，提高系統運行的經濟性。
  7. 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。
  8. 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。
  9. As a result, these three methods evidently improve radiation exitance and thermal image of devices and improve the troubleshooting ratio

    這三種方法有效地提高了元器件的溫度和發射系數，從而增強了元器件的輻射度或明顯改善了它們的熱圖像。
  10. In addition, radiation absorption coefficient had a remarkable effect on maximum combustion temperature and maximum wall heat flux in the new phosphoric acid tower

    輻射吸收系數對最高燃燒溫度和壁面最大熱流影響很大，隨輻射吸收系數的增大，最高燃燒溫度和煙氣出口溫度會下降，而壁面最大熱流和平均熱流會上升。
  11. The effects of parameters on maximum combustion temperature, smog exit temperature, maximum wall heat flux, averaged wall heat flux of a new phosphoric acid tower with circular water wall were discussed, including phosphorus consumption, excess - air coefficient, wall temperature and radiation absorption coefficient, with the mathematical model developed in part

    摘要利用已建立的數學模型考察了燃磷量、過剩空氣系數、壁面溫度、輻射吸收系數對新型燃磷塔的最高燃燒溫度、煙氣排放溫度、壁面最大熱流和平均熱流的影響。
  12. Given the thermal physical parameters of the envelops and the weather data, the above two parameters are determined by the following system design parameters : radiant panel dimension, radiant panel location and radiant panel layout style ( center or peripheral ). based on the thermal net model, digital analysis of the energy consumption and thermal environment are carried out to the several representative spaces under different design parameters, through which the relations of the heating load to the design parameters are obtained and can be a reference in the practical system design

    對于給定圍護結構熱物性參數和室外氣候參數的條件下，室內平均輻射溫度和室內空氣溫度的大小取決于系統的設計參數：輻射板的布置方式（周邊布置和中心布置） 、輻射板尺寸和輻射板鋪設位置。基於熱網模型，利用matlab軟體編程對採暖空間在不同設計參數下室內的熱環境和能耗進行數值分析，得出了低溫熱水地板輻射採暖系統的性能和能耗指標隨這些參數變化的規律，從而為低溫熱水地板輻射採暖系統的優化設計提供了參考。
  13. In short, through retrieving the parameter such as surface albedo, surface temperature and surface emissivity, all the energy flux such as net radiance flux, soil heat flux and latent heat flux can be computed in sequence further, then latent heat flux which provide energy for et can be computed based on energy balance equation, finally instantaneous et and daily et can be obtained

    總之，根據地表能量平衡方程，通過計算對地表反照率、地表溫度、地表比輻射系數、歸一化植被指數等參數進行反演，進一步計算出了地表凈輻射通量，土壤熱通量和潛熱通量，最後獲得了遙感影像成像時的瞬時蒸散及當天的總蒸散量。
  14. In this paper a system has been developed for studying characteristics of " clouds and sky " on the images taken by a whole - sky camera at three different wave bands ( the visible, the infrared, long wave infrared ), then assessing the presence, distribution, shape, and radiance of clouds over the entire sky using automated cloud decision algorithms and related processing

    根據發展自動化雲觀測的目標，利用雲和晴空大氣在可見光近紅外、熱紅外多波段散射輻射和熱輻射的不同特徵，我們嘗試建立一個多波段（可見近、熱紅外）全天空成像輻射觀測系統，進行全天空分波段成像輻射的獲取，定量分析和特徵識別，獲得雲量、雲型、雲底高信息，實現對雲參數化信息的自動獲取。
  15. This paper mainly studies on the thermal diffusivity and thermal conductivity by ptr method

    本文主要用光熱輻射（ ptr ）技術理論來研究材料的熱擴散系數和熱導率。
  16. We give ptr ' s amplitude and phase signal of one dimension based on the theory of ptr, discuss the ptr ' s signal ' s frequency characteristic, and a method for measuring thermal diffusivity of opaque materials is introduced. then, we study on anisotropic materials " thermal conductivity, the temperature field and thermal conductivity tensor of anisotropic materials is theoretically deduced from the theory of ptr, and is proved by the experiment

    從光熱輻射理論出發，推導出一維情況下ptr信號的振幅和位相表達式，討論了光熱信號的頻率特性，介紹了一種用ptr技術測量不透明材料熱擴散系數的優化方法；接著研究分析了各向異性介質受調制激光束輻照下產生的光熱信號，在理論上推導出各向異性介質的溫度場以及熱導率張量並給予一定的實驗驗證。
  17. Inverse problem of reconstructing the heat - conduction equation ' s initial value and the radiative coefficient

    熱傳導方程輻射系數及初始條件反問題的數值求解
  18. Taking erectophile type continuous vegetation as a example, authors had done many monte carlo simulations, and established empirical analytic expressions of radiances with component temperature, soil emissivity and leaf area index. empirical analytic expressions were used to construct objective function and genetic algorithm was employed to synchronously retrieve 5 parameters, such as component temperature, soil emissivity and lai, from thermal infrared 2 channels and 2 angles data. many experiments of genetic algorithm inversion from simulated data were conducted, results show that it is very robust to retrieve component temperature using genetic algorithm ; genetic algorithm can cope with uncertainty inversion problem pretty well if full advantage of priori knowledge was taken. comparison between inversion results and ground - truth data has been done. this paper offers a new example to retrieve component temperature from multi - channel, multi - angle thermal infrared data based on the model of directionality of thermal radiance

    在熱輻射方向性規律的基礎上，以喜直型連續植被為例，進行了大量的monte carlo模擬，建立了輻射亮度和組分溫度植被葉面積指數及土壤比輻射率之間的經驗函數關系。採用遺傳演算法，從熱紅外2個波段2個角度數據中，同時反演混合像元組分溫度土壤比輻射率和葉面積指數等5個參數。通過對模擬的觀測數據進行大量的遺傳演算法反演試驗，結果表明，遺傳演算法反演組分溫度非常穩健，在寬松的先驗知識條件下，遺傳演算法可以解決不確定性反演問題。
  19. The finite element method ( fe '. i ) is adopted to analyze the effects of the numbers of coil turns, current intensity and current frequency upon the rate of joule heat generation in details. the thermo - radiation analytical countermeasures of various types are adopted to carry out the numerical analysis of the effects of the crucible with different shapes and sizes and the blind holes with different depths opened in the tops of crucibles as well as coil positions upon the thermal field distribution whereby solving the main problem of field the thermo - field design of the induction - heating sic crystal growth system. a new combination idea of the thermo - field design obtained by means of the united design of the thermo - insulator and blind holes has been presented

    採用有限元分析方法對線圈匝數、電流強度、電流頻率等對焦耳熱產生速率的影響進行了詳細的分析討論；採用不同的熱輻射分析策略，對不同坩堝形狀、坩堝頂部開設不同深度的盲孔以及線圈的位置等對熱場分佈的影響進行了數值分析，解決了感應加熱碳化硅晶體生長系統熱場設計的主要問題，提出了通過絕熱層與盲孔的聯合設計獲得所需熱場設計的思路，給出了根據軸向溫度梯度的波動對線圈位置實行動態調節以控制熱場的理論依據。
  20. The heater is cooking heat source in the microwave oven. generally 2 pcs. as one suite in series and the power of single tube is 400w 600w. bigger surface load and higher radiating coefficient make the microwave cooking food more quickly

    本加熱器在微波爐中為燒烤熱源，一般一組為2隻串聯使用，單管功率一般為400w600w ，表示負荷較大，且石英管表示的熱輻射系數高，使微波爐燒烤食物更加快捷。
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