排氣重熱 的英文怎麼說
中文拼音 [bèiqìzhòngrè]
排氣重熱
英文
exhaust reheat-
The polyester fibre of resisting bacterium is one without which people can t live in modern times, but how to restrain the bacterium propagating excessively and keep people in health is a most important goal that fabrics and clothing industry are striving for. fibre of resisting bacterium can kill the bacterium effectively with the ratio of more than 99 % and it can restrain microbes. the polyester fibre of resisting ultraviolet radiation is also widely used. with the decreasing of ozonospheres in the atmosphere, there are more ultraviolet radiation in the sunlight which do harm to our skin, especially for those men working outdoors, it is more important to think about the way to lessen the harm. the polyester of burning - resisting has attracted more attention at home and abroad and burning - resisting textiles has been advanced definitely by law in many countries. our nation has also made strict claims in some special areas, such as fabrics in vehiciles and vessels, decorative fabrics in hotels. the everlasting burning - resisting fibres and textiles are badly needed. infrared ray fibre is also a new functional one that can absorb and reflect infrared ray after being processed physically. it s functions include physical therapy wet - ejecting and bacterium - restraining. this warm - preserving material can absorb the emitting heat from our bodies, at the same time it can also absorb and reflect the needed 4 - 14 urn wavelength ultraviolet radiation and accelerate netaboiism. fibre of resisting infrared ray is important in military areas
抗菌纖維具有永久的抗菌性,對金黃色葡萄球菌、大腸桿菌殺菌率大於99 ,能有效抑制細菌繁殖,起到抗菌防臭作用;抗紫外線聚酯纖維的用途也是異常廣泛的,隨著大氣層中臭氧層的日漸稀薄,日光中的紫外線日益增加,對人體皮膚形成極大危害,尤其對于長期從事野外工作的人,因此設法減少紫外線對人體的傷害顯得尤為重要;阻燃聚酯纖維則是一種倍受國內外人士密切關注的纖維,紡織品阻燃在許多國家已有明確法令規定,我國也逐漸在某些特殊使用范圍做嚴格要求,如車船內用紡織品,高級賓館的內裝飾織物等,而且具持久性阻燃性的纖維和織物是現在更為需要的,真可謂用途非常廣泛;遠紅外纖維也是一種經過物理改性后具有吸收並反射遠紅外線的新型功能性纖維,是一種具有優良理療功能、熱效應功能和排濕透氣抑菌功能的新型紡織材料及保溫材料,能吸收人體自身向外散發的熱量,吸收並反射回人體最需要的4 14 m波長的遠紅外線,促進人體的新陳代謝;抗紅外線纖維,則在軍事上有著重要的作用。The key to that is a so - called rankine cycle engine, which captures waste heat from the car ' s exhaust and puts it back to work to heat water, which gets converted to steam to power an electric generator, which in turn charges the car ' s battery pack
這項技術的關鍵是被稱為「林肯循環引擎」 ,它抓住了廢熱從汽車的尾氣排出,使它重新投入工作,以熱水轉化為蒸汽,啟動電動發電機。Analysis of experimental data indicates that there exist several following problems during the whole operation : first, the emission is serious and the density of hc and co smoke is very high at on and off period. second, there is oil dripping from the dripping vitta as a result of the fault of ignition system and combustion structure. the last, there might be accidents of disabled ignition resulted from the improper operation at the beginning
通過對樣機的試驗分析和研究表明,汽車空氣燃油加熱器在整個工作過程中,其排放存在以下三個問題:一、開機和關機兩個階段的排放問題嚴重,廢氣中hc和co的濃度值及煙度測量值都很高;二、因點火系統和燃燒結構的缺陷而導致開機后一段時間內有油滴從滴油管滴落;三、在點火過程中,會出現因操作不當而點火失效的現象。Under special conditions such as low partial load / deep vacuum, unexpected high air leakage resulting in a major temperature difference ( above 10 c ) between the steam exhaust turbine temperature and all air - take off temperature measurement, the suction capacity can be improved by using 2 main ejector simultaneously
在特殊條件如局部低載荷/極端真空,不正常的熱交換,意想不到的高空氣泄漏導致的在蒸汽排氣溫度和抽空溫度測量上產生的嚴重溫差( 10 c以上) ,用兩臺主抽汽器同時工作可以提高抽氣量。The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade
葉片內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題,本文在分析葉片內部通道冷卻的流動與傳熱情況的基礎上,建立了三維、可壓縮紊流的物理模型,得到了通用的求解辦法;利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶叉排擾流片、帶傾斜擾流片的矩形直通道的幾何模型,計算了冷卻空氣通過這幾種通道時的流動與換熱情況,得到了各種不同情況下計算區域的溫度場、壓力場、速度場;在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響,並整理得到了各種通道形式下,努謝爾數和阻力因子與雷諾數的函數關系;本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾流片的內部冷卻通道的強化傳熱效果,通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較,表明了這種新型鮚構的優勢,對于葉片內部通道冷卻結構的設計可以起到指導的作用。Based on multiple arrangement of bent tubing, this system maximizes the use of heat energy from exhaust gases
熱交換系統以多重多管排列的曲管為基礎,實現了排氣熱能的徹底利用。The pattern of shoujinliao ' s climatic design : first, it talks about shoujinliao ' s ventilation, analyses every stale belong to each compose of space appeared in shoujinliao. sum up that ventilation system is made up by draught and wind route, by showing data and photograph, then, it talks about shoujinliao ' s methods of sunshade and heat insulation, that is, sunshade of concentrated, sunshade of small yard, sunshade of eaves, sunshade of balcony. heat insulation of outward wall, clay tiled roof and composition neatly
著重分析手巾寮結合氣候的模式,首先談及手巾寮建築通風經驗,深入分析各種空間高低組合情況下手巾寮的通風情況,藉助調研資料和實景照片對通風系統中通風口和風道的合理安排進行介紹;其次是手巾寮其他氣候經驗,如遮陽方式主要體現在連房密集遮陽、小天井遮陽、檐下灰空間遮陽、陽臺遮陽等,又如隔熱途徑有墻體隔熱、灰泥苫背瓦屋面隔熱及規整形隔熱,再如綠化水體的降溫措施,上升到環境高度看待建築,探討手巾寮組織天井綠化、利用街巷綠化、配合周邊水域的建造經驗。Honeycomb ceramic has high surface and lighter weight. it is good at the heat insulation, so it is suitable for various kinds of catalyst carriers. it is widely used for automotive emissions control, stationary emissions control, chemical processing and refining industries
蜂窩陶瓷材料具有比表面積大、隔熱性較好及重量較輕的特點,因此它適用於各種用途的催化劑載體,現已被廣泛應用於汽車尾氣凈化、固定氣體排放的凈化、化學工藝、精練工業等方面。The incinerator is the important place incinerating the tail gas, where residual s and h2s are completely transformed to so2, to ensure the tail gas from the plant reach the requirement of atmospheric environment protection
摘要焚燒爐是尾氣熱焚燒的重要場所,其主要作用是焚燒尾氣中殘存的s和h2s並完全轉化為so2 ,保證裝置排放尾氣符合大氣環保要求。In addition, bp has distinctive strengths in energy statistics and information, risk assessment and management, corporate governance, and hse. it actively participates in the discussion of major global hot issues ( like global climate change and greenhouse gas emission ) and put into practice mitigation measures
另外, bp公司在信息統計,風險預期與管理,企業良治,健康,環境與安全( hse )等方面都具有獨到的優勢,並積極參與全球重大熱點問題(如全球氣候變化和溫室氣體排放等)的探討和實踐。Numerical simulation by cfd was carried out to understand the hot current behavior in a tunnel with longitudinal ventilation. it becomes clear that fire source modeling is very important because the hot current behavior is strongly affected by the fire source position and is sensitive to methods in the modeling of the fire source. the flame area which has developed from the fire source is an area of chemical reaction caused by combustion. even if grids in the vicinity of the fire source are made fine, it was difficult to simulate the heat generation area with consideration to this chemical reaction through using a method for setting the heat release rate simply on the fire source surface. therefore, we proposed a method adopting the knowledge on flame shape under the longitudinal ventilation and incorporating it into numerical simulation and it showed a good agreement with the experimental results. it was shown through experiments in a tunnel with longitudinal ventilation that the hot current developed toward the tunnel center downwind from the fire source near a wall. the cause was investigated by numerical simulation and it became clear from the results that the spiral air by the fire plume created a vortex in the crevice between the wall and the plume
運用cfd進行數字模擬,以了解縱向通風隧道內熱煙氣流的特性.通過模擬發現對火源進行模擬非常重要,熱煙氣流特性受火源位置的影響很大,並且對火源模擬方法很敏感.火源生成的火焰區是燃燒引起的化學反應區域.即使火源附近的木垛排列完好,也很難在考慮這些化學反應條件下模擬熱生成區域.建議考慮縱向通風隧道內火焰形狀並對它進行數字模擬.模擬結果與試驗結果非常吻合.試驗證明,在縱向通風隧道內,熱煙氣流從靠近墻體火源處順風向隧道中心蔓延.數字模擬結果發現,火災羽流造成的螺旋上升空氣會在墻體和羽流之間形成一個渦流區Abstract : numerical simulation by cfd was carried out to understand the hot current behavior in a tunnel with longitudinal ventilation. it becomes clear that fire source modeling is very important because the hot current behavior is strongly affected by the fire source position and is sensitive to methods in the modeling of the fire source. the flame area which has developed from the fire source is an area of chemical reaction caused by combustion. even if grids in the vicinity of the fire source are made fine, it was difficult to simulate the heat generation area with consideration to this chemical reaction through using a method for setting the heat release rate simply on the fire source surface. therefore, we proposed a method adopting the knowledge on flame shape under the longitudinal ventilation and incorporating it into numerical simulation and it showed a good agreement with the experimental results. it was shown through experiments in a tunnel with longitudinal ventilation that the hot current developed toward the tunnel center downwind from the fire source near a wall. the cause was investigated by numerical simulation and it became clear from the results that the spiral air by the fire plume created a vortex in the crevice between the wall and the plume
文摘:運用cfd進行數字模擬,以了解縱向通風隧道內熱煙氣流的特性.通過模擬發現對火源進行模擬非常重要,熱煙氣流特性受火源位置的影響很大,並且對火源模擬方法很敏感.火源生成的火焰區是燃燒引起的化學反應區域.即使火源附近的木垛排列完好,也很難在考慮這些化學反應條件下模擬熱生成區域.建議考慮縱向通風隧道內火焰形狀並對它進行數字模擬.模擬結果與試驗結果非常吻合.試驗證明,在縱向通風隧道內,熱煙氣流從靠近墻體火源處順風向隧道中心蔓延.數字模擬結果發現,火災羽流造成的螺旋上升空氣會在墻體和羽流之間形成一個渦流區Full - stainless stell ; oil - water separator, liquid heating ; auto - matic constant tempertature ; outside - jiint water or air cooler ; solution recobering system to keep the solution clean for a long time ; level auto - control ; fast cooling and drying ; convenient draining ; double protecting debice ; auto - reset function
全不銹鋼結構,內置油水分離器,液體加熱與自動恆溫,外接冷水機,或冷氣機組,溶劑回收再生,使清洗劑長期清潔,具有液位自動控制,快速冷卻乾燥,排污方便,雙重保護裝置,自動復位功能。As alterations in the climate lead to mass migrations, epidemics will spread ; as temperate zones warm up, tropical diseases like malaria will surge ; storms will overwhelm sewer systems ; heat waves will push ozone levels up
氣候變化導致群體遷移的時候,傳染病就會肆虐傳播;當溫帶變暖,像瘧疾那樣的熱帶疾病就會爆發;暴雨將會使排水系統不堪重負;熱浪將導致臭氧層上升。Above all, the surface of the gas turbine blade including stator and rotor heat transfer coeficience with no film cooling hole was studied with the main stream reynolds number of 150000, 200000 50000, 300000, 350000, 400000. then, the heat transfer coefficience when all cooling holes opened and only one cooling hole opened was studied partly. and it ' s studied how the mainstream reynolds number, blowing ratio and the position of holes affect the heat transfer coefficience of the surface of blade
對導葉和動葉,都是先研究了在150000 , 200000 , 250000 , 300000 , 350000 , 400000雷諾數下,沒有氣膜冷卻時的表面換熱系數分佈,然後研究了氣膜孔全打開和只打開單排孔時的表面換熱系數分佈曲線,重點研究來流雷諾數,吹風比和不同孔位出流對換熱系數分佈的影響規律。The disposal of the valves and intake manifold structure not only affect fresh air charge but airflow in the cylinder, which immediately affect combustion efficiency and the performance of dynamic, economic and emission. the structure of the air distributing institution has influence on charging efficiency and the noise of engine. the combustion chamber affects compression scale which has great influence on dynamical performance ; f / v which affects the exhaust of hc ; squash area and clearance which have great influence on the intensity of squash
氣缸蓋的氣門排列方式與氣道結構形式影響進氣充量和氣流在氣缸內的運動,從而影響了燃燒效率,對整機的動力性、經濟性以及排放都有直接的影響;配氣機構的形式影響充氣系數和整機噪聲等;缸蓋燃燒室決定了影響整機動力性能的壓縮比,影響hc排放的f / v和對擠流起決定性作用的擠氣面積以及擠氣間隙,所以燃燒室對整機動力性、經濟性、排放等都有重要的影響;氣缸蓋是整機熱負荷與熱應力最大的部件之一,熱負荷過高將不利於發動機壽命以及可靠性的提高。The distribution of the mass flow rate, the heat transfer coefficients and the film effectiveness of cylindrical holes was measured. the influence of mainstream reynolds number, blowing ratio and the position of holes on flow rate, the heat transfer coefficients and the film effectiveness was studied greatly
測量了氣膜孔的流量系數、氣膜孔下游換熱系數和冷卻效率的分佈,重點研究了主流雷諾數、二次流吹風比以及孔排位置對氣膜孔的流量系數、氣膜孔下游的換熱系數和冷卻效率的影響。The nobel prize winning group of scientists says carbon and other heat - trapping greenhouse gas emissions must be stabilize by 2015 and then decline to head off the worst consequences from climate change
獲得諾貝爾獎的科學家小組稱二氧化碳和其他致熱的溫室氣體排放物必須在2015年穩定下來,接下來抑制氣候變暖造成的最嚴重的後果。Fuel efficiency and power output and emission of an internal combustion engine can be significantly improved by optimizing intake and exhaust valve timing and duration and lift as speed changes during operation
改變發動機氣門的開啟相位、持續時間和升程是改善發動機性能,提高熱效率和減少有害排放的一種重要方法。分享友人