熱阻損失 的英文怎麼說
中文拼音 [rèzǔsǔnshī]
熱阻損失
英文
heat resistance loss-
Abstract : apply computer simulation to the distribution pattern of air - flow without considering the cold condition of the combustion and compare the flow patterns under different designed circumstances. and the effect of the design of the partition in the air way of the burner on the flow and mixture of gas and air is especially studied. the result shows that the design of partition plays a very important role in strengthening the mixture of gas and air, but increases the loss of the resistance in the air way and the total pressure of the air way in same working conditions needs increasing
文摘:應用計算機模擬的方法,在不考慮燃燒的冷態情況下,研究了熱風爐燃燒室內的氣流分佈規律.在此基礎上,比較了2種不同設計方案的氣流流動特徵,尤其是研究了燃燒器空氣通道內阻流板的設置與否對空氣和煤氣的流動和混合的影響.結果表明,阻流板的設計對加強空氣和煤氣的混合有著極為重要的作用,同時也增加了空氣管道的阻力損失,在同樣的工況條件下需要提高管道系統的總壓力Meanwhile, it puts forward the exact demand to the indicators of coal for gasification. it systematically studies the thickness of economical heat preservation and calculation process of resistance loss of delivery pipe for analyzing and appraising the techno - economic of hot coal gas ' s delivery pipes. it sets the mathematic model for the calculation of economical heat preservation thickness and resistance losses of conveying pipes, compiles the computer program, dutti and dutt2 and draws the block diagram of relevant computer program
為便於熱煤氣輸送管道的技術經濟分析與評價,對輸送管道經濟保溫厚度和輸送管道阻力損失的計算過程,進行了系統的研究,建立了輸送管道經濟保溫厚度和阻力損失計算的數學模型,繪制出相應的計算機程序框圖,編制了計算機程序dutt _ 1和dutt _ 2 ;並對熱煤氣的混合燃燒過程進行了研究。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。In an ordinary resistance, the energy which is "lost" passes into heat.
在一個普通電阻中,損失的能量轉變成為熱。But because it is not spreading popularize and new type pipe in market emerge in an endless steam, the selling market is not standard, many pipe material has not standard temporary. how to choose suitable pipe materials that it is not only the ordinary use do n ' t know but also relevant design and construction technician can not know comprehension
而且廠家生產與銷售市場又不夠規范,很多管材暫無設計規程與施工驗收規范。要想選用適用的管材,正確進行設計和施工,需要研究新型管材的耐熱、耐壓、膨脹和阻力損失等物理性能。The principle and design scheme are described, the corresponding experimental research is conducted and application foreground of the rotary - switching regenerator is analyzed the result indicates that rotary switching regenerator has the advantages of continual gas supply, low leakage rate, low pressure drop and compact equipment
研究結果表明檔位蓄熱器具有以下特點:可實現對爐窯的連續供氣,保證了爐內火焰的穩定性,從而使爐內工況不易波動;另外系統的漏風率較低,阻力損失也較低,並且設備緊湊、操作安全可靠,易於實現標準化生產。The phase structure of different cu - fe thin films were studied by using grazing incidence x - ray analysis ( gixa ). the texture and residual stress of different cu - fe thin films were measured by scan of x - ray diffraction ( xrd ) and 2 scan with different. the thicknesses of different thin films were characterized by means of small angle x - ray scattering ( saxs ) technique. by using atomic force microscope ( afm ) measured surface roughness of thin films. the component of different thin film was characterized by energy disperse spectrum ( eds ) and x - ray fluorescence ( xrf ). the magnetic properties of cu - fe thin films were measured by means of vibrating sample magnetometer ( vsm ). in addition, the giant magnetoresistance ( gmr ) effects of different films were also measured. the original resistance of the film fabricated by a direction - current magnetron sputtering system is directly affected by bias voltage
利用掠入射x射線分析( gixa )技術對不同cu - fe薄膜的相結構進行了研究;利用xrd掃描及不同角度的2掃描對薄膜進行了結晶織構及殘余應力分析;運用小角x射線散射( saxs )技術測量了薄膜的厚度;採用原子力顯微鏡( afm )觀察了薄膜的表面形貌;運用能量損失譜( eds )及x射線熒光光譜( xrf )對薄膜進行了成分標定;使用振動樣品磁強計測量了不同cu - fe過飽和固溶體薄膜的磁性能;最後利用自製的磁阻性能測試設備測量了真空磁場熱處理前後不同薄膜的巨磁阻值。( 4 ) thermal pipelines are important parts of concentrated heat supply of the thermoelectricity combination. according to the thermal lube service prospect, the paper calculates thickness of the buried steam pipe, proposes a new opinion of the interface temperature controlling method, and also attempt to determine the resistance loss of the minimal steam tubes and wrote its program
( 4 )熱力管網是熱電聯產集中供熱系統的重要組成部分,本文根據熱力管道的發展趨勢,對直埋蒸汽管道的保溫層厚度計算,提出採用界面溫度控製法的見解,並進行編程計算,此外,還對直埋蒸汽主管道阻力損失進行編程計算的嘗試。Analysis on flow resistance effects on stirling heat engine power and efficiency
流動阻力損失對斯特林熱機功率和效率影響的理論分析The power lost by current flowing through the winding, the power loss is equal to the square of the current multiplied by the resistance of the wire ( 1 2 r ). this power loss is transferred into heat
電流流以線圈所產生之能量損失,此能量損失等於電流大小的平方乘上線圈的電阻( 12r ) ,這些能量損失轉換成熱能。The energy dissipation resulted from restrictive device in pipelines is commonly existing in the steam piping network of a thermal power plant
摘要熱電廠蒸汽管網普遍存在管道阻力件引起的能量損失。When the fire breaks out, fire source may spread to the storage tank through the inlet, when the flame passes the small pore of the flame - resistant core layer in the respiration valve, due to the wall effect, the corrugating plate absorbs a great deal of heat, so as to increase heat loss at once, so that the flame is extinguished
當發生火警時,火源有可能通過進入口向儲罐內漫延,當火焰通過呼吸閥內阻火芯層的狹小孔隙時,由於器壁效應,波紋板吸收大量熱源,使熱損失突然增大,從而使火焰熄滅。There are a lot of advantages when inner trachea applied in air pre - heater, such as the improvement of the temperature of pipe, the low consumption of metal, except for the increment of flow resistance. according to many related papers, it is more proper inner trachea with the structure of short distant between two whorls and shallow depth of whorl. it can enhance heat transfer with smaller flow loss
內螺紋管是一種異形管,和光管相比,管內側的換熱系數大大增強了,應用於空氣預熱器可以起到提高總傳熱系數、節約受熱面金屬消耗量的目的;同時提高了管壁溫度,能夠減輕低溫腐蝕的程度和速度;不足之處是帶來了更大的阻力損失。Taking some tubular air pre - heater used in one boiler whose capacity is 130 t / h as an example, new blue print with inner trachea is completed by means of computer program. several key design variables may be changed, such as diameter of pipe and velocity of flow of gas. these cases have been considered, and their results have also been compared with each other
比較了幾個重要的設計變量,如外管徑、煙氣流速等參數變化時,總傳熱系數和空預器本體管子總重量,阻力損失以及最低管壁溫度等幾個重要設計結果的變化趨勢,對內螺紋管空氣預熱器的設計具有借鑒意義;其間還分析了內螺紋管與光管在設計時的不同之處;最後,初步分析了內螺紋管的優化設計問題,提出了一些建議。Testing methods for phthalic esters - part 4 : heating loss, acid value after heating, volume resistivity
鄰苯二甲酸脂的試驗方法.第4部分:加熱損失加熱后的酸值體電阻率A new thermodynamics analysis of working process of diesel engine which is different with traditional one - finite time thermodynamics analysis model, is put forward in this paper. this model gives the consideration to thermal resistance loss between working substance and heat reservoirs, heat leak loss inner the system, and character of finite time of system
本文提出了一種不同於傳統熱力學分析方法? ?有限時間熱力學分析模型,對柴油機工作過程進行了研究,該模型考慮了熱源與工質傳熱存在的熱阻、系統內部存在的熱漏損失及系統的有限時間特性。Respective simulation of the liquid cooling system and the circulatory system of cooling fluid, which mainly concerns the simulation model of the four major components in the refrigerating system and the water pumps and heat exchangers in the cooling circulatory system. experimental research of the assembled system of liquid cooling system, which yields the system perform parameters of refrigerating capacity and resistance loss in different working conditions. collection and comparison of the experimental data got from simulation and experimental research, which proves simulation and the experiment result are well tallying, hereby, testifies the emulational veracity of the cooling system
主要對製冷系統中四大部件和冷卻液循環系統中的水泵、換熱器進行了數學建模;利用組裝的液冷源系統進行實驗研究,得到不同的工況下系統的製冷量、阻力損失等系統性能參數;對模擬和實驗研究中得到的大量實驗數據進行匯總比較,發現模擬和實驗結果吻合較好,驗證了液冷源系統模擬的準確性。When the fire breaks out, fire source may spread to the storage tank through the inlet, when the flame passes the small pore of the flame - resistant core layer in the flame arrester, due to the wall effect, the corrugating plate absorbs a great deal of heat, so as to increase heat loss at once, so that the flame is extinguished
當發生火警時,火源有可能通過入口向儲罐內漫延,當火焰通過阻火閥內阻火芯層的狹小孔隙時,由於器壁效應,波紋板吸收大量熱源,使熱損失突然增大,從而使火焰熄滅。The thermal network model of steady - state temperature field of swing movable teeth reducer is set up. the calculation models for power losses, heat transfer and thermal resistance of swing movable teeth reducer are established. the thermal network figure of swing movable teeth reducer is drawn
運用傳熱學理論對擺動活齒減速器的發熱機理和穩態溫度場分佈進行了研究,建立了擺動活齒減速器的穩態溫度場的熱網路模型、功率損失計算模型、熱傳遞計算模型及熱阻計算模型。分享友人