smooth tube造句
例句與造句
- Experimental investigation on condensation heat transfer in horizontal microfin and smooth tube with refrigerant r
22在水平微肋管和光管內(nèi)凝結(jié)換熱的實(shí)驗(yàn)研究 - Experimental investigation on condensation heat transfer and pressure drop of high saturation temperature organic fluid in a horizontal smooth tube
水平管內(nèi)高沸點(diǎn)有機(jī)工質(zhì)凝結(jié)換熱的實(shí)驗(yàn)研究 - The results indicate that the film thickness on the surface of the horizontal twisted and fluted tube becomes more uniform than the classical smooth tube
結(jié)果表明，與水平光滑圓管相比，水平螺旋槽管表面的液膜變薄且分布變均勻。 - The results showed that the total heat transfer coefficient of petal - shaped finned tube oil - cooler with helical baffles was 4 ~ 5 times as large as that of smooth tube oil - cooler with segmental baffles at the same oil pressure drop
結(jié)果表明，在相同油壓降下，螺旋隔板花瓣管油冷卻器的總傳熱系數(shù)是弓形隔板光滑管油冷卻器的4 ~ 5倍。 - Finned tube is welded the finned helix pieces on the smooth tube , expanding 4 ~ 10 times of the heat transfer surface , highly elevated the heat - transfer coefficient of the tube to reach the purpose of rapid , efficient heat transferring
翅片管是在鋼管外表面焊上螺旋型翅片，擴(kuò)展外表面?zhèn)鳠崦娣e4 10倍，大幅提升管子的傳熱系數(shù)，達(dá)到高效快速傳熱的目的。 - It's difficult to find smooth tube in a sentence. 用smooth tube造句挺難的
- Compares the 3 - d ift with smooth tube , the result shows that heat transfer augments , volume decreases , metallic material reduces and energy saves . so the tube with three dimensional internally extended surface have very wide engineering application background
使用結(jié)果表明：使用了三維內(nèi)肋管的換熱器同未使用前相比，換熱強(qiáng)度提高，體積減少，金屬材料耗量減小，能耗降低，具有十分廣闊的應(yīng)用前景。 - The heat transfer and flow resistance performance of petal - shaped finned tube oil - cooler with helical baffles was studied , and compared the total heat transfer coefficient of petal - shaped fimed tube oil - cooler with helical baffles with that of smooth tube oil - cooler with segmental baffles
摘要研究了螺旋隔板花瓣管水冷殼管式油冷卻器的傳熱和流阻性能，并與弓形隔板光滑管水冷殼管式油冷卻器進(jìn)行了性能對(duì)比。 - It tell us : the abrasive capability of fly ash ; the similar calculation of ash erosion ; the calculation of ash erosion in the tube in turn and tube out of turn ; the reason of tube abrasion for gas flue ; the influence of air parameter for fly ash erosion ; the influence of changing temperature ; the influence of the flue gas composition , etc . next , it advances the solving measure ; reduce the flue gas velocity ; reduce the concentration of fly ash ; responsible construction : replace smooth tube with spiral tube ; use the new material of abrasion ; fuel desulfurization ; reduce so3 of flue gas ; raise flue gas temperature , making it up the dew point ; use the abrasion - resistance material to resist abrasion
討論了飛灰磨損性能、管壁受飛灰沖蝕的近似計(jì)算、灰粒對(duì)順列管和錯(cuò)列管的磨損計(jì)算、煙氣走廊引起對(duì)流管束的磨損機(jī)理、空氣動(dòng)力參數(shù)對(duì)飛灰沖蝕的影響以及受熱面壁溫變化及煙氣成份對(duì)飛灰磨損的影響等問(wèn)題。接著提出了解決的措施：降低平均煙氣流速；降低飛灰濃度；使用鰭片管、螺旋翅片管代替光管；選擇合適的結(jié)構(gòu)及排列方式，減少煙氣中so3的含量；提高受熱面壁溫使之大于煙氣的露點(diǎn)溫度；采用抗腐蝕材料作受熱面等防腐蝕的措施。 - Enhanced heat transfer tube with spiral - surface has simple frame , cheap cost , and wide - ranging purpose . only few dirt can adhere to it and is easy to be washed . it has distinct strengthen effect , and can improve chief heat transfer coefficient at 35 - 40 % comparing with smooth tube exchanger which has same volume and pump power consumption
螺旋型表面強(qiáng)化管結(jié)構(gòu)簡(jiǎn)單，成本低廉，用途廣泛，結(jié)垢少且易清洗，其強(qiáng)化效果明顯，與體積、消耗泵功率相同的光管式換熱器相比，螺旋槽管換熱器可以將總傳熱系數(shù)提高35 40 ，因而備受人們青睞。 - Based on the j c chen double mechanisms superposition model , the experimental formula of the heat transfer coefficient on the evaporation side in the smooth tube was obtained . considering the influence of spring to the falling film , the formula of heat transfer coefficient on the evaporation side in the vertical tube with spring inserts was obtained . the predicated heat transfer coefficient through this two formulas was finely accord with the experimental result , and the error was basically under 10 %
在jcchen雙機(jī)理加和模型的基礎(chǔ)上，得出了光管降膜蒸發(fā)側(cè)傳熱系數(shù)的實(shí)驗(yàn)關(guān)聯(lián)式，并考慮了螺旋線對(duì)降落液膜的影響，得出了管內(nèi)插入螺旋線的降膜蒸發(fā)側(cè)傳熱系數(shù)關(guān)聯(lián)式，這兩個(gè)關(guān)聯(lián)式預(yù)測(cè)的傳熱系數(shù)與實(shí)驗(yàn)值吻合良好，誤差基本在10以?xún)?nèi)。 - Exerting the model of two mechanism heat transfer , the formulation for heat transfer coefficient of liquid film which in smooth tube and equipped with spring inserts is given in this paper . heat transfer coefficient is presented which not only has relation to reynolds number , temperature difference , liquid characteristic , but also is greatly influenced by structure parameter of the spring inserts . experiments indicate the heat transfer coefficient of tubes equipped with spring inserts is 25 % higher than smooth tube
實(shí)驗(yàn)表明，傳熱系數(shù)和液膜雷諾數(shù)、傳熱溫差、料液物性參數(shù)利彈簧插入物的結(jié)構(gòu)參數(shù)有關(guān)，實(shí)驗(yàn)條件下，安裝有彈簧插入物的豎管降膜蒸發(fā)液膜側(cè)的傳熱系數(shù)比光管的傳熱系數(shù)可高達(dá)25左右，但某些結(jié)構(gòu)參數(shù)的彈簧插入物會(huì)造成傳熱的惡化。 - Based on the experimental data collected , the formulations which can predict accurately in - tube boiling heat transfer coefficients of r290 and r404a are seleted . shah correlation can predict precisely heat transfer coefficients of r290 and r404a in horizontal smooth tube . koyama correlation which is modified can predict precisely heat transfer coefficients of r290 inside horizontal microfin tube
Shah關(guān)聯(lián)式對(duì)r290和r404a在光管內(nèi)的沸騰換熱系數(shù)預(yù)測(cè)精度最高； koyama關(guān)聯(lián)式經(jīng)修正后可較好的預(yù)測(cè)r290在內(nèi)螺紋管中的沸騰換熱系數(shù)； thome關(guān)聯(lián)式對(duì)r404a在內(nèi)螺紋管中的沸騰換熱系數(shù)有良好的預(yù)測(cè)精度。