間壁換熱的 的英文怎麼說
中文拼音 [jiānbìhuànrède]
間壁換熱的
英文
recuperative- 間 : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
- 壁 : 名詞1 (墻) wall (of a house etc ) : 銅墻鐵壁 bastion of iron2 (作用像圍墻的部分) wall of st...
- 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
- 的 : 4次方是 The fourth power of 2 is direction
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One cooling method that has gained increasing importance is endwall film - cooling, where coolant air is discharged though discrete holes in the inner and outer endwalls of a turbine blade passage. after leaving the holes, the coolant forms a protective layer between the hot mainstream gas and the surface that is to be protected
目前廣泛採用的一種重要冷卻方法是渦輪葉柵端壁氣膜冷卻,該方法中冷空氣穿過渦輪葉片上內外端壁離散冷卻孔進行交換,且冷空氣流經冷卻孔后在主流熱空氣與被保護表面之間形成保護層。Usually, it also causes the wall heat transfer rate to decrease somewhat in the region downstream from the point of separation.
通常,它也會使分離點下游區間內的壁熱交換率有所減少。Temperature field of hollow ingot solidification is simulated by fem. to different mould, effect of heat transfer coefficient between inner sleeve and cooling medium and thickness of core refractory on final position of solidification, the highest temperature of inner sleeve against cooling medium, and shrinkage cavity and porosity are compared. in addition, change of temperature in typical position of core refractory is also compared
對空心鋼錠凝固過程的溫度場進行了有限元分析,對不同錠型結構的芯部換熱系數、耐火材料厚度對最終凝固位置、內筒壁最高溫度及縮孔疏鬆的影響進行了對比,並討論了耐火材料典型部位的溫度隨凝固時間的變化。Abstract : temperature field of hollow ingot solidification is simulated by fem. to different mould, effect of heat transfer coefficient between inner sleeve and cooling medium and thickness of core refractory on final position of solidification, the highest temperature of inner sleeve against cooling medium, and shrinkage cavity and porosity are compared. in addition, change of temperature in typical position of core refractory is also compared
文摘:對空心鋼錠凝固過程的溫度場進行了有限元分析,對不同錠型結構的芯部換熱系數、耐火材料厚度對最終凝固位置、內筒壁最高溫度及縮孔疏鬆的影響進行了對比,並討論了耐火材料典型部位的溫度隨凝固時間的變化。A calculation model of the coefficient of heat transfer between gas and stave body and inlaid refractory is built based on the substitution method of boundary condition
摘要基於邊界條件替換方法建立了高爐冷卻壁本體和搗打料與爐氣之間的換熱系數計算模型。The modified model took into account not only the coupled heat transfer of conduction, convection and radiation, but also the heat convection between each zone caused by temperature difference and airflow
該模型綜合了墻體熱傳導、壁面對流熱交換以及內部控制體之間的對流熱交換過程。The meltable liquid touches with the rotary drum of cooling that form material film in rotary drum appearance. the heat exchange between material film and drum wall makes material film cooling and crystallization. the crystal material film is cut by scraper which forms piece product
轉鼓結片是一個冷卻結晶過程,料盤中熔融料液與冷卻的轉鼓接觸,在轉鼓表面形成料膜,通過料膜與鼓壁間的換熱,使料膜冷卻結晶,結晶的料膜被刮刀刮下,成為片狀產品。The heat transfer coefficient at the gas temperature ranging from 500 to 1248 between stave and furnace gas is determined by the combination of calculation model of temperature field and the temperature value of hot surface calculated from the temperature measured near hot surface
用試驗測量冷卻壁近熱面溫度來推算冷卻壁熱面溫度,與冷卻壁溫度場計算模型結合,確定了爐氣溫度在500 ~ 1248范圍內,高爐冷卻壁與爐氣之間的換熱系數。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。Firstly, for jet array impingement cooling, the effects of the distance of adjacent holes, the impinging distance and jet reynolds number on heat transfer characteristic at the target wall are summarized under staggered holes arrangement and the same hole diameter. and then, the numerical simulation of inclined multi - hole film cooling has been studied. the influence factors examined in this case include blowing ratio and the distance of adjacent holes
首先通過對射流沖擊冷卻方式的研究,分析了相鄰孔間距、沖擊間距以及射流入口雷諾數對沖擊靶面換熱系數的影響情況,然後對多斜孔冷卻方式進行了數值模擬,重點探討了吹風比和相鄰孔間距對絕熱溫比與壁面換熱系數的影響規律,最後,針對沖擊-發散復合冷卻流場的計算物理模型,研究吹風比、相鄰孔間距的變化對沖擊-發散復合冷卻流動與傳熱特性的影響。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。The quasi steady state analytical method is used to calculate the temperature in the heat structure. in normal condition, the heat transfer modes included the convection and boiling conditions
用集總參數法來計算熱傳導;在正常的工況下,用含兩個傳熱區的兩相對流傳熱模型,計算流體與管壁間的換熱。Thermally driven comparison of small single - cyclic channel and small multi - cyclic channel in gravitation field is performed through experiments and numerical simulations. the results show that the change of temperature at walls of the heat end minishes and the temperature distribution uniforms with the addition of the cyclic channels. and the ratio of the circuit ’ s height ( h ) to the distance between cooled and heat end ( w ) has effect on heat transfer
本文首先採用實驗與數值模擬相結合的方法對重力場下單循環和多循環微小通道內流體的熱驅動進行比較研究,發現隨著循環通道的增加,熱端壁溫起伏變化減小,溫度分佈逐漸均勻化,而且通道高度與冷熱端間距的比值h / w的變化對通道換熱也有影響。分享友人