輻射熱損失 的英文怎麼說
中文拼音 [fúshèrèsǔnshī]
輻射熱損失
英文
radiant heat loss-
Energy consumption of heating rooms will increase when air exchange rate become large. because the mechanisms of heating methods used currently, such as radiator heating, ceiling heating and warm - air heating, are different from each - other, the indoor thermal environment is not the same when each one of them employed for room heating. for enhancing energy efficiency of heating rooms, indoor thermal comfort and energy saving effects should be investigated when natural ventilation is used to make a good air quality indoors
房間換氣次數的增加勢必導致供暖房間能耗加大,頂棚輻射、散熱器和熱風等三種採暖方式由於供暖機理不同,形成的室內熱環境特徵不同,通風換氣時產生的通風熱損失也有所區別,為了提高大換氣量房間的供暖節能效果,必須對不同供暖方式在大換氣量情況下的熱舒適性與節能效應進行研究。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。Between glass - cover board and endothermic board, honeycomb is placed, which can eliminate heat loss caused by air natural convection and greatly reduce heat loss caused by radiation, and hence a better transfer heat efficiency
而在透明玻璃蓋板和吸熱板之間放置蜂窩結構,基本上能消除吸收表面和蓋板之間的空氣自然對流熱損失,並可大大降低輻射損失,顯著提高集熱器的熱轉換效率。Heat transfer or loss by radiation emission
輻射熱傳遞或損失Adopt far - infrared heating technology, with low hot loss, high efficiency, high precisely for control temperature, uniform heating. compared with drying cabinet or electric stove ; it can automatical control temperature, easy to operate, drying effect is very satisfied
採用了遠紅外輻射加熱技術,與一般烘箱及熱處理用的箱式電爐相比較,具有熱損失小、效率高、控溫精度高,加熱均勻:能自動控溫、一時結束、操作方便等優點,可達到十分滿意的烘乾效果。As umbirfpa is a new type of infrared detecting device, its work principle is complex and its performance is affected by many factors. in the initial stage of developing, the design experiment and theoretical understanding are little interiorly. furthermore, the problems such as sensitivity reduced, dynamic range shortened, nonuniformity increased come forth if umbirfpa is not designed properly
Umbirfpa是一種新型的紅外探測器件,微測輻射熱計的工作原理復雜,其性能受到很多因素的影響,目前國內尚處于發展初期,缺少實際的設計經驗和理論認識,同時umbirfpa又是在集成電路工藝線上生產的,投資大、周期長,如果設計不當,不僅可能導致靈敏< wp = 13 >度降低、動態范圍縮小、噪聲增大、非均勻性增大等問題,更可能的是根本就不能用於成像,從而造成很大損失。High thermal efficiency, the principle of heat trans - fer of the cylinder dryer is heat conduction whose conducting direction keeps identical whole opera - toion circle
因滾筒乾燥機傳熱機理屬熱傳導,傳熱方向在整個操作周期中保持一致,除蓋散熱和熱輻射損失外,其餘熱量。For hot rolling steel production, the condition on site is poor, temperature measurement is restricted by transmitting rate, background radiation and transmission loss of optical route
對現場條件比較惡劣的熱軋生產,它的測溫受到發射率、背景輻射、光路傳輸損失等因素的制約。The bigger the diameter, the high the heat efficiency, but the weak the temperature increasing ability, length has less effect on the heat efficiency, tilt angle has less effect on the flow field and temperature field while it is larger than 30 degree, vacuum degree and emissivity have great effect on the flow field and temperature field while there is a great temperature difference between the liquid in the tube and the surroundings, the furring has less effect on the heat transfer but should be cleaned up in 3 - 5 years because of poor water quality, the higher the solar flux or the more the temperature difference between the liquid and the surrounding, the more the heat loss and the lower the heat efficiency
分析了各種因素對太陽能真空集熱管流場和溫度場的影響。直徑越大,熱效率越高,但升溫能力弱;長度對熱效率影響不大;傾斜角度大於30后,自然對流已經能夠充分進行,考慮以能夠吸收到最大太陽輻射為主;真空度和發射率對熱效率和溫度場影響很大,尤其是在介質溫度與環境溫度差異比較大時;水垢對傳熱影響較小但由於水質的問題應該被3 5年清洗一次;太陽輻射強度越大,介質溫度與環境溫度差異越大,熱損失越大,效率越低; 4Standard test method for measurement of mass loss and ignitability for screening purposes using a conical radiant heater
使用圓錐輻射加熱器測量屏蔽的質量損失和易燃性的標準試驗方法Because the neutrino energy loss rate in strange matter is much higher than that in neutron matter, the surface temperature of a young strange star is lower than that of an ordinary neutron star of the same age
奇異星與中子星的表面熱輻射特性有顯著的不同。由於奇異物質發射較多中微子,所以能量損失速度較快,因此一顆年青的奇異星,表面溫度會比同年的中子星為低。The lost mass is radiated out in the form of heat energy or other forms of energy
這部分損失的質量便以熱能或其它形式的能量輻射出去。分享友人