氣體熱輻射 的英文怎麼說
中文拼音 [qìtǐrèfúshè]
氣體熱輻射
英文
gas radiation-
The electronic temperature, intensities of all lines and continuous spectra gradually increased with the increment of laser energy, and they got to maximum at different laser energy. our results of copper and aluminum show that there are possibly different thresholds of laser energy to electronic temperature and intensities of emission spectra of laser ablated plasma. at the different environmental gas pressure, spatial emission intensity distribution is explained by the competition among " heat reservoir effect ", " confined effect " and " s hadow effect "
認為cu等離子體羽的發光機制是由電子與粒子的碰撞傳能、電子與離子的復合形成的;隨激光能量的增加, cu等離子體特徵輻射(分立譜) 、連續背景輻射(連續譜) 、電子溫度都出現最大值;結合對al的實驗結果說明:激光燒蝕金屬產生的等離子體,其特徵輻射、連續輻射、電子溫度可能都存在一定的能量閾值;背景氣壓對激光燒蝕等離子體譜線的影響,其機理可以認為是「熱庫效應」 、 「約束效應」及「陰影效應」相互競爭的綜合結果。It is designed according to electrical stove or microwave oven request. heating pipe adopts high temperature resistance mgo powder as the insulation medium and the stainless steel case is passed oxidation deal through the advanced web band protection oven 1050c in order to become the a special oxidation layer and improve the high temperature oxidation and bittern corrosive performance of the heating pipe. the heating tube has high power density and strong heat radion. this product with good safe performance can work normally after 3000hrs life test
加熱管選用耐高溫氧化鎂作絕緣介質,不銹鋼外殼經過先進的網帶氣體保護爐1050的氧化處理,形成一種特殊的氧化層,提高電熱管的抗高溫氧化及鹽鹵的腐蝕性能。電熱管的功率密度較高,熱輻射能力強。產品經長達3000h的壽命試驗后,仍能正常工作,安全性能好。The earth requires greenhouse gases, including water vapor, carbon dioxide and methane, to prevent some of the heat from the received solar radiation from escaping back into space, thus keeping the planet hospitable for protozoa, shetland ponies and lindsay lohan
地球需要水蒸氣、二氧化碳、甲烷等溫室氣體,把部份的太陽輻射熱能留在大氣層里,好適合原生動物、雪特蘭迷你馬,以及好萊塢女星琳賽蘿涵居住。By apparent temperature model based on body heat balance theory and suitable in china, using outputs from meso - scale numerical forecast model mm5v36 and atmospheric radiation transmission model modtran3. 0, apparent temperature every 1 hour, 3 hours and 6 hours were forecasted and their application in traveling and dressing meteorology were analyzed
利用中尺度數值預報模式mm5v36和大氣輻射傳輸模式modtran3 . 0及基於人體熱量平衡的全國普適體感溫度模型完成了幼年、老年和成年三個不同年齡段的人群每小時、 3小時和6小時體感溫度的預報。並將預報結果應用於旅遊和著裝厚度預報。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。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。As the gas heats, its electrical resistance decreases and it radiates heat energy less efficiently.
隨著氣體被加熱,這些氣體的電阻下降,輻射熱能的效率也隨之減低。The most obvious theory was that something on the spacecraft themselves created a braking force ? leaking gas or heat radiation, perhaps
最直接的理論認為,是太空船上的某樣東西,或許是氣體外?或是熱輻射,製造出的煞車力。The substitution of evacuated powders for high vacuum alone will usually improve the insulation by reducing the radiant heat transfer.
只需用抽空氣體的粉末而不用單純的高真空,一般便可減少輻射熱傳輸,從而提高絕緣度。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。The new device consists of paint - drying box, heat carrier boiler, heating pipe, expansion tank, gas separator and oil tank, etc. the data of two applied examples shows that heat carrier paint drying method is able to make painting - drying cost drop by 88 %, compared with the conventional one, that it has some advantages such as uniform temperature field, good appearance and lower costs, compared with conventional hot air convection mode
該裝置主要由熱載體烤漆爐、輻射加熱管,熱載體爐、膨脹器、油氣分離器和儲油槽等組成。應用實例的測試數據表明,與傳統的遠紅外電加熱鋼瓶烤漆方式相比較,鋼瓶熱載體烤漆節能和降低能耗費用十分顯著,能耗費用降幅達到88 。與熱風爐對流烤漆方式相比較,熱載體烤漆方法不僅節能,而且烤漆爐溫度場均勻穩定,同時烤漆的外觀質量也得到了明顯提高。As we all know, occupants " thermal sense is mainly dependent on the six factors : inside air temperature, humidity, air velocity, mean radiant temperature, clothing and metabolism rate. the traditional hvac control system, neglecting other factors concerned with human comfort, only considering the inside air temperature and air humidity and indirectly impacting on occupants by the two parameters control, cannot satisfy the comfort requirement of occupants and is energy wasting as well
傳統的空調控制系統以室內空氣的溫濕度作為控制對象,而實際上影響人體熱舒適的因素不僅包括溫度與濕度,還有風速、平均輻射溫度、人體的衣著熱阻和人體的新陳代謝率,人體對環境的冷熱感受是這些因素綜合作用的結果,因此在很多時候系統並不能滿足人體對熱舒適的需要而且節能性較差。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。Studying the heat - mass transfer and multi - spices electric - chemical reaction, a dynamic temperature model was deduced for molten - carbonate fuel cell stack. the thermal radiation, shift reaction, and the change of gas spices were considered in this model. establishing momentum equation, the paper has developed a 3d temperature and flow fields model for mcfc stack based on cfd technique
建立了熔融碳酸鹽燃料電池堆內部單體的暫態溫度模型,並考慮了電堆的輻射換熱、轉換反應、反應氣體組分變化對溫度場的影響;根據mcfc的微分控制方程組,考慮氣體組分的熱力學性質及動量變化的影響,利用數值分析方法求解熔融碳酸鹽燃料電池堆的三維流場與溫度場,分析了各作用因素對熔融碳酸鹽燃料電池堆溫度分佈的影響機制。Abstract : by using the 3 - d unsteady state heat transfer equation, the heat convection and radiation between the checker and the gas which flows through the checker holes, and the heat conduction among the checker in the chamber of the hot blast stove were studied. the time dependable gas temperature and the temperature distributions within the checker were obtained
文摘:應用三維非穩態熱量傳輸方程,對高爐熱風爐在燃燒過程中蓄熱室內格子磚與氣體之間的對流和輻射傳熱,以及格子磚內部的導熱過程進行了耦合求解.得到了在燃燒期內格子磚及燃燒過程中燃燒廢氣的溫度分佈情況及其隨時間的變化規律The advent of the region leads to the occurrence of nonthermal radiation and even with great energy in some directions, which has n ' t been reported both domestic and abroad, and when spreading in universe, black hole ' s nonthermal radiation is influenced by stellar matter, in which stellar gas is very apparent
這在國內外均未見報道。又得到了黑洞的非熱輻射在宇宙中傳播時要受星際物質的影響,尤以星際氣體的影響更為突出。The average range of nonthermal radiation particles is direct proportion to the energy extent of nonthermal radiation particle, but also inverse proportion to the density of stellar gas, however, to the stationary black hole with mass multipole moment and nonstationary black hole, the average range of their nonthermal radiation particle still has something to do with direction, which are the new results reported firstly
非熱輻射粒子的平均射程與非熱輻射粒子的能量范圍成正比、與星際氣體的密度成反比;對動態黑洞和一類具有質量多極矩的穩態黑洞而言,非熱輻射粒子的平均射程還與方向有關。這些都是首次報道的新結果。The big bang model, which states that almost 14 billion years ago the universe started expanding from a state of extremely high density and temperature, is able to explain galaxy motions, the abundance of hydrogen and helium, and the properties of the cosmic microwave background ( cmb ), the remnant heat from the expanding and cooling gas
大霹靂模型指出,宇宙于約140億年前自極度高溫、高密度的狀態開始擴張,這理論不但可以解釋星系運動以及宇宙中氫與氦的含量,而且還預測了宇宙擴張時,冷卻中氣體的殘餘熱輻射,也就是宇宙微波背景的各項性質。Ebu - arrehenius and second - moment turbulent combustion model are used to determine the reaction rate. to consider the influence of heat radiation on the gas temperature and wall temperature, the six flux model is applied to predictions of heat flux distributions. the discretization of governing equations on a non - staggered grid system is performed by hybrid scheme over the control volume, and discretization equations are solved with simple algorithm
利用橢圓型微分方程法和區域法生成三維貼體網格,文中數學模型有紊流模型、紊流燃燒模型和輻射模型,採用k -雙方程模型來預估紊流特性, ebu - arrehenius和二階矩紊流燃燒模型來估算化學反應速率,六通量輻射模型預估輻射通量,以便考慮熱輻射對壁溫和氣流溫度的影響。分享友人