輻射式換熱 的英文怎麼說
中文拼音 [fúshèshìhuànrè]
輻射式換熱
英文
radiant heat exchange- 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) ...
- 式 : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
- 換 : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
- 輻射 : radiation; exposure; radio; beaming
-
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。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。Pmv and the indoor temperature field can be used to evaluate the effect of heating in a large amount air current condition. the result of analysis indicate that the radiation heating and radiator heating have some advantages in such rooms, and hot - air heating is an unsuitable way for room heating
分析結果后認為, pmv和室內溫度分佈是評價大換氣量房間不同供暖方式室內熱環境的重要參數,在這類房間中,輻射供暖和散熱器供暖將各有優點,而熱風供暖則是一種不宜採用的供暖方式。Based on the one - dimensional energy equations of the terrain, the ir field model was improved to be able to take various processes of the heat exchange among different parts of terrain into consideration
摘要改進了以地表一維熱平衡方程為基礎的地表紅外輻射場的理論模型,該模型考慮了具有不同地形的地表微元之間通過反射和透射等多種形式進行能量交換的物理過程。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。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。The closed screen prevents the heat dispersion by radiation or heat exchange, thus the system can reduce the energy consumption
遮陽幕閉合后能有效防止溫室內熱能通過輻射或熱交換形式外溢,從而降低溫室耗。The experimental results indicate that when the air flow rate is determined, the key problem for energy saving is how to keep the indoor thermal comfort at a suitable level and reduce the difference between the internal and external temperature of the room. a formula is gained for calculating the critical values of air exchange rate. when ventilating rate is greater than the value, radiating heating is the better way for energy saving, or else, convection method in heating is more suitable
實測還指出,當通風量一定時,如何保證人體熱舒適度不變而減少室內外氣溫差將成為大通風量房間節約採暖能耗的關鍵,本文結合圍護結構傳熱機理,在對三種方式的能耗狀況進行理論分析的基礎上,提出了換氣次數的節能臨界值,若換氣次數高於此值,則輻射供暖是較好的選擇,否則,散熱器供暖是較好的方法。Thermal and structure character of straight reheating furnace were analyzed in csp technological process. coupling with heat conduction differential equations of the thin slab and the furnace lining, the mathemat ical model of heat transfer is established in the long one dimension furnace by using zone method for making the model of radiant heat transfer. the effect of the moving velocity and kinds of the slab on temperature distribution in the furnace is discussed based upon the solutions to the mathematical model
通過分析csp工藝中直通式輥底加熱爐的熱工及結構特性,採用區域法建立爐內輻射換熱數學模型,與加熱爐內連鑄坯及爐襯的一維導熱方程相耦合,建立長一維直通式輥底加熱爐爐內傳熱數學模型.通過對數學模型的求解,研究分析了不同的薄板坯移動速度及鋼種對加熱爐爐內溫度分佈的影響The advantage of this air conditioning, that is energy conservation, is for energy to overheat or overcool air in traditional air conditioning is saved with radiation directly acting to human ' s body. so, the radiant heat exchange between human body and enclosure was made as main point of this paper that the radiant heat exchange model was established and the radiant heat exchanges of different human body in different sites were calculated in detail
本空調方式的先進性,即節能性,是由於採用了輻射方式直接對人體進行供冷、供熱,從而省去了傳統的過度冷卻或加熱空氣所消耗的那部分能量而表現出來的;因此,本文把人與室內環境之間的輻射換熱作為一個重點,建立了輻射板等室內壁面與人體間的輻射換熱模型,並詳細計算在不同位置各人體部分與室內環境之間的輻射換熱。Abstract : the steady temperature field in irregular plane domain with radiation heat exchange boundary is analyzed by the boundary, discrete method, and the solution in form of series is obtained
文摘:採用邊界離散方法對具有輻射換熱邊界的平面非規則域內穩態溫度場進行了分析,得到了級數形式的解。Abstract : thermal and structure character of straight reheating furnace were analyzed in csp technological process. coupling with heat conduction differential equations of the thin slab and the furnace lining, the mathemat ical model of heat transfer is established in the long one dimension furnace by using zone method for making the model of radiant heat transfer. the effect of the moving velocity and kinds of the slab on temperature distribution in the furnace is discussed based upon the solutions to the mathematical model
文摘:通過分析csp工藝中直通式輥底加熱爐的熱工及結構特性,採用區域法建立爐內輻射換熱數學模型,與加熱爐內連鑄坯及爐襯的一維導熱方程相耦合,建立長一維直通式輥底加熱爐爐內傳熱數學模型.通過對數學模型的求解,研究分析了不同的薄板坯移動速度及鋼種對加熱爐爐內溫度分佈的影響分享友人