熱效率比 的英文怎麼說
中文拼音 [rèxiàolǜbǐ]
熱效率比
英文
thermal efficiency ratio-
Heat transfer is relatively ineffective in diffuse gases.
熱轉移在彌漫氣體中的效率比較低。After the bottleneck in the original ethene production plant is analyzed, the revamp design plan for srt - iii cracking furnace is proposed. the measuring results after revampment show that the thermal efficiency and ethene recovery ratio are increased compared with the design data ; the production capacity of ethene cracking furnace is enhanced, and energy consumption is reducted
通過分析原乙烯裝置生產存在的「瓶頸」 ,提出了srt -型裂解爐改造的設計方案,並對改造後效果進行測量,熱效率和乙烯收率均比設計值有所提高,乙烯裂解爐的生產能力提高了,能耗降低了。To solve this shortcoming maerz has developed a patented special type of pfr - kiln to burn stone sized between approx. 10 and 40 mm
一種熱效率比普通併流蓄熱式石灰窯高的專利窯用來燃燒粒度大約從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。High burning heat ratio and low gas consumption. in comparison with traditional electric baker, it saves the power baker plus and power circuit cost, economic and practical
燃燒熱效率高且耗氣量少。與傳統電烤爐相比,可省去電力增容和配電線路等所需支出,經濟實用。The equilibrium working temperature of the gasifier and the composition of the outlet syngas ( short for synthesis gas ) at this temperature were calculated by solving the chemical equilibrium and the energy equilibrium equations. the analysis was used to study the effect of gasifying agent mixture ratio on the outlet syngas composition, the cold gas efficiency, the thermal efficiency and the exergy efficiency. the optimum o2 / coal ratio was found for a reasonable vapor / coal ratio ( the vapor / coal ratio had little effect on the efficiencies ) for various kinds of coal to maximum the thermal efficiency and the exergy efficiency
通過化學平衡和熱量平衡方法求解氣化爐平衡工作溫度以及該溫度下的出口煤氣成分,研究了氣化爐進口氣化劑配比對出口煤氣成分、冷煤氣效率、熱效率及火用效率的影響,指出熱效率、火用效率最優情況下適應于各煤種的最優氧煤比以及合理的水蒸汽耗量,為多聯產系統的設計優化提供參考。When the water dose was 20 % and engine speed was 2000r / min, the maximum fuel saving was 4. 1 % ; the thermal efficiency of emulsified fuels was higher than that of using pure diesel oil. nox and particulates emissions were reduced greatly by using emulsified fuels. when water dose was 20 % and engine speed was 1500 r / min, the maximum nox reduction was 43. 4 % ; the average of particulates under all loads was reduced by the extent of 46 % ~ 64 %
結果表明:燃用乳化油節油率有所提高,當n = 2000r min ,摻水率為20時最大節油率可達4 . 1 ;燃用乳化油的熱效率也高於燃用純柴油; no _ x 、顆粒排放比燃用純柴油時則有大幅度降低,當n = 1500r min摻水率為20時, no _ x排放量下降的最大值可達43 . 4 ;固體顆粒物排放量在整個負荷范圍內的平均值比燃用純柴油時低46 64 ;隨著乳化油摻水量的提高,排放效果改善越明顯;而thc和co的排放量則比燃用純柴油時有所升高。Giving some suggestions to develop the fuel according to the experiment result. the final experiment result is very good. after using alcohol - blended diesel oil in diesel engine, the power can be achieved, the let of contamination is reduced, thermal efficiency enhanced, the exhaust degree and the max combustion pressure is steady
對理論和實驗結論進行總結,對課題的發展提出建議實驗的最終數據證明:在柴油機上燃用乙醇柴油后,能夠達到原機的功率,並且柴油機的排放狀況有很大的改善,熱效率有一定的提高,排氣溫度和最高燃燒壓力基本不變,實驗結果是比較理想的,可以考慮在實際中應用和推廣乙醇柴油。One effect of the 1970s oil shock was to encourage people to buy cars with diesel engines, which are usually more efficient than otto - cycle engines
20世紀70年代出現的石油危機其中的一個影響就是導致人們去購買熱效率比奧托循環發動機(汽油機)高的柴油機。The results show that each target is superior to traditional heating system : the heat efficiency is higher by 20 %, the operating cost is lower by 50 %, the system starts quicker, the isothermal characteristic is better
結果表明:真空相變供熱系統熱效率比傳統供熱裝置高20 % ,運行費用節省50 % ,啟動快,等溫性好,各項性能指標均優于傳統供熱系統。In spite of the low transition efficiency, the thermoelectric transition equipments have a lot of characteristics such as no moving parts, pollution and noise, long life span and safety, which stirs people to research them with great enthusiasm
熱電轉換裝置盡管目前轉換效率比較低,但因為具有結構緊湊、沒有移動部件、工作無噪聲、使用壽命長、安全不失效、易於自動檢修、無污染等優點,從而激起了人們的研究熱情。Then a self - searching optimal control method for enhancing thermal efficiency is obtained through the optimal wind - coal ratio. then a computer control system for economic combustion in coal - fired boiler is designed
通過實現燃煤鍋爐最佳風煤比,得出提高鍋爐熱效率的自尋優控制方案,設計出了用於燃煤鍋爐經濟燃燒的計算機控制系統。This system finished supervisory control of boiler burning, sampled signals through sensors and calculated the signals whether reached the best content of oxygen and the best wind - coal ratio. using it controls the quantity of coal, entering wind and sending wing for reaching the best thermal efficiency of burning and improving economy benefit of boiler running
系統對鍋爐燃燒進行監控,通過傳感器采樣信號,計算是否達到最佳含氧量、最佳風煤比,來控制給煤量、引風量和送風量,使燃燒達到最佳熱效率和提高鍋爐運行的經濟效益。Moreover, the expressions of the mean index pressure and thermal efficiency are showed, and the effect of operative parameters and structural parameters on them are analyzed quantitatively
定量地分析了有關參數對平均指示壓力和熱效率的影響,並與汽油機進行了理論循環參數的對比。Using lithium bromide aqueous solution as liquid desiccant, adopting the total heat transfer rate and enthalpy efficiency to describe the combined heat and mass transfer performance and the moisture removal rate and regenerative efficiency to describe the mass transfer performance of the regenerator, explores the effect of air and desiccant inlet parameters on the regenerator performance by experiment, and compares the result obtained with those of other counter - flow configurations previously published
以溴化鋰溶液為除濕劑,採用總換熱量、全熱效率描述再生器的熱質交換總體效果,採用再生量、再生效率描述傳質效果,實驗測試了溶液和空氣的進口參數對再生器性能的影響,並與逆流再生器的實驗結果進行了比較。The thermal conductivity of aluminum plate has a good thermal conductivity, so that the heating system is fast and heat distribution is uni tally friendly. heating rate is 4. 5 times higher than the traditional, so as to achieve rapid heating effect
科學設計的導熱鋁板,安全牢固的嵌入萬能模板中,結實、平整且能夠承載,發揮其高效的傳導性能、環保性能,比傳統的混凝土施工方式節省40 %以上的燃料費,供熱效率在200 %以上。And then, some improvements have been made on the old single tube pressure wave refrigerator experimental system. the experimental research, such as the ratio of gas charge time to gas exhaust time ( ), the frequency of the jet flow ( f ), the ratio of the expansion ( ), the length of the tube ( l ) and the heat transfer condition, has been carried out on the improved experimental system. the results were drawn as the following : the refrigerating efficiency will be heightened by augmenting when is in 0. 0405 to 0. 1842 ; the highest cooling efficiency will be
實驗考察了有關因素對製冷效率和最佳射流頻率( fopt )的影響並進行了理論分析,結果表明,在= 0 . 0405 ~ 0 . 1842范圍內,製冷效率( )隨的增大而提高;隨射流頻率( f )的變化出現多個峰值,在本文實驗參數范圍內下,第二個峰值點的效率比第一個峰值點高;隨著膨脹比( )的增大,和fopt都略有增大,且低下的增幅比高下的大;強化管外換熱,可使fopt降低、明顯提高。According to the working theory of the joule - thomson throttle coolers, the characteristics of mixed refrigerant and thermodynamic performance of a mixed - refrigerant j - t refrigeration cycle are analyzed systematically. the essence of improving thermodynamic efficiency of j - t coolers with mixed - refrigerant is revealed in - depth. 4
闡述了混合工質j - t節流製冷機的工作原理,研究單純工質和混合物工質的節流效應,比較混合工質節流製冷機與純工質節流製冷機分析方法上的一些不同,分析了採用混合工質提高節流製冷機熱效率的機理; 4Combining burning and heat exchange as a whole, this furnace adopts the novel indirect heating technology of performing heat exchange at high temperature position of the furnace, inside which, smoke and air flow separately, heating has no contamination, thermal efficient reaches 60 - 75 %, therefore, it features speedy temperature rise, compact dimension, convenient installation, reliable operation and lower cost ( only half of that by boiler heating system )
該爐集燃燒與換熱為一體以爐體高溫部分進行換熱的最新間接加熱技術,煙和空氣各行其道,加熱絕對無污染,熱效率高達60 - 75 % ,升溫快,體積小,安裝方便,使用可靠且價格低,與一噸鍋爐相比,該加熱系統只相當于鍋爐加熱系統價格的一半。On condition of high temperature, commonly above 60, the average efficiency of hhchp is 29. 8 %, while that of hgvt is 35 %
高溫段(一般大於60 )的時候,平板式太陽能熱水器日平均效率比真空管式太陽能熱水器日平均效率低。分享友人