熱工率 的英文怎麼說

Moreover, the system of powdered coal conveying with primary air is the most important tache, whether the distribution of primary air is even or not directly relates to whether the distribution of powdered coal is even or not in all firing implement and nozzles, sequentially directly relates to whether it is hard to take fire, whether the fire is stable, whether there is coking and how about the heat efficiency of the boiler, hi addition, if there is jamming and deflagrate in the system of powdered coal conveying with primary air, severe safety accident can be resulted

良好的煤粉配風是建立合理的爐內空氣動力工況和穩定燃燒的必要條件。而其中一次熱風送粉系統又是最重要的一個環節，一次風配風是否均勻直接關繫到煤粉在各燃燒器和各噴嘴中的分佈是否均勻，從而直接關繫到著火是否困難、火焰是否穩定、局部是否結焦以及鍋爐的熱效率高低。若一次風送粉系統發生堵塞和煤粉爆燃則可能引發嚴重的安全事故。

Recent experiments have succeeded in obtaining oscillations from the new system, with frequencies of 66hz and 23hz for the cases with helium and nitrogen as the working fluids, respectively. the traveling wave system is expected to be one of the good candidates as a driver for pulse tube refrigerator, leading to a thermoacoustically driven pulse tube refrigerator without any moving component

還利用deltae對環路部分進行了數值模擬分析，著重討論了系統的起振臨界溫度與臨界加熱功率、效率與加熱溫度的關系、噴射泵的作用以及不同工質（氮氣和氦氣）的比較等，得出一些有益的結論。

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。

Based on testing and analyzing the relative results of the gear reducers ' standard or the problems emerging in chinese coalmine and the same products in other nations, proposed effect of different thermal radiation on the thermal power of gear reducer, gave effective thermal radiation measures in different case when designing and selecting the big power reducer, to ensure the thermal power of gear reducer increasing

摘要通過對我國現行減速器行業標準及煤炭行業生產現狀與國外同類減速器的對比分析，提出了不同散熱方式對減速器熱功率的影響，給出了在設計和選用大功率減速器時，針對不同的工況所應採取的有效散熱方法，保證減速器熱功率的有效提高，最大限度地發揮和使用設計機械功率。

Thermal efficiency and test methods of boilers for daily life

生活鍋爐熱效率及熱工試驗方法

Calcuation of the thermal efficiency for petrochemical tubular heaters

石油化工管式爐熱效率設計計算

To improve boiler ' s reliability and economy performance, this paper based on the studies of present utility boiler operation and management was mainly focused on the following several aspects : 1. build up efficiency calculation model and discuss the method to optimize the boiler performance for the purpose of raising accuracy of efficiency analysis

本文根據對國內外電站鍋爐運行、管理的現狀及其現有問題的研究，在提高鍋爐運行可靠性和經濟性方面做了以下工作： （ 1 ）建立鍋爐效率計算的數學模型，研究熱效率的計算方法，提高其分析的準確性。

Via the analysis of heat balance computation model and the computation of online heat balance for industrial coal boiler, this dissertation researched overall input heat, efficient utilized quantity of heat, heat losing of discharge flue gas, heat losing of chemistry and mechanism incomplete combustion, heat losing of dispelling heat of boiler, heat efficiency, air superfluous coefficient, wind speed, wind quantity, computation of primary air circle cutting and whose influence on boiler combustion efficiency

本文通過對工業煤粉鍋爐熱平衡計算模型的分析，利用在線熱平衡計算，研究了總輸入熱、有效利用熱量、排煙熱損失、化學不完全燃燒熱損失、機械不完全燃燒熱損失、鍋爐散熱熱損失、熱效率、空氣過剩系數、風速、風量及一次風切圓計算以及這些因素對鍋爐燃燒效率的影響。

Carbon fuel cell is much more efficient than hydrogen fuel cell and its product carbon dioxide does not need further purification for commercial use and is easy for sequestration

碳燃料電池的熱效率遠高於氫燃料電池，產物二氧化碳不須進一步純化就可工業應用或隔離存放。

Silica heat preservation brick can be used to heat preservation, energy saving, and it also can protect the inner refractory material to enlong the oven life

硅質保溫磚是一種高溫隔熱材料，在工業窯爐上起到了隔熱保溫、降低能耗、提高熱效率的作用，而且還能有效地保護內層主體耐材，延長窯爐的使用壽命。

Therefore, studying practical and effective method to adjust or tune controllers is the urgent demand to improve the automatic level and promote the production efficiency of thermopower processes

因此，研究實用、有效的熱工控制系統優化整定方法，是提高熱工自動化水平和生產效率的迫切要求。

Methods of sampling and test for carbonaceous materials used in aluminium manufacture - cold ramming pastes - determination of the thermal conductivity of baked rammed paste

制鋁工業用炭素材料取樣與試驗方法.第4部分:冷搗糊塊.第12節:烘焙搗糊塊熱導率測定

Steam turbine thermal performance test is one of the most important parts to evaluate the economic performance of a power plant unit. since the structures of the steam turbine is complex and variational, the procedure of steam turbine thermal performance test is also much complex. steam turbine thermal performance test consists of data collection and performance calculation, and the two procedures must be dealt with under a standard rule

汽輪機熱力性能試驗主要包括兩個過程，數據採集和性能計算，為了得到真實可靠的分析結果，這兩方面的工作必須根據試驗規程進行， ansi / asmeptc6汽輪機性能試驗規程是目前國際上最高精度等級的熱耗率試驗規程，在我國被廣泛用在新投產的大型汽輪機機組或老機組改造的經濟性能評價之中。

As a new type of energy - saving equipment, the tubular heat exchanger with longitudinal flow of the shellside fluid ( thelfsf ) has many remarkable advantages. it betters anti - vibration and anti - smudge performance, enhances heat transfer efficiency, and decreases the shellside pressure loss. it also prolongs service lifetime, reduces the weight and saves material

新型縱流殼程換熱設備作為一種新一代節能降耗設備，具有優良的防流體誘導振動性能、傳熱性能好、傳熱效率高、流體流動阻力小、抗結垢能力強、重量輕等優點，是鄭州大學「熱能工程研究中心」專利產品，為了加快該設備的推廣， 「中心」研發了hecad軟體系統，實現了新型換熱設備工藝設計、機械設計、零部件，圖及總裝圖繪制一體的cad軟體化。

With high efficiency in heat transferring, heat - pipe is a new king of component ordevice. the heat transfer of heat pipe is carried out by phase change of the medium and continuous loop of the medium

熱管是一種新型的傳熱元件，由於是以內部工質相變和連續工質循環實現熱量傳遞的，因此具有較高的傳熱效率。

In the second chapter, firstly, based on the analysis of theoretic cycle of hydrogen engine, the relations between state parameters in four strokes are established

以氫燃料發動機的理論循環為基礎，進行了各工作過程狀態參數的計算分析，得出了描述理論循環動力性和經濟性，即平均指示壓力和熱效率的表達式。

This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題，主要研究內容有： （ 1 ）實驗、測定了20種常見生物質的能量（發熱量）和c 、 h 、 n元素含量，根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式，並通過r _ （ 0 . 05 ）檢驗；為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便； （ 2 ）選擇了8種生物質試樣作了等加熱速率（ 10 min 、 20 min 、 40 min 、 60 min ）和恆溫加熱的tg和dtg實驗，根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程，並採用goast - redfem積分法和p函數對其動力學參數進行了求解，解析出各種生物質的頻率因子和活化能參數，進而建立了各種生物質的熱解動力學模型，為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述，提供了理論和依據； （ 3 ）為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間，在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定，得出生物質的長徑比（ l d ）一般在5 . 0 6 . 0之間，平均為5 . 3的結果； （ 4 ）採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究，解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間（ t ） ，得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果，為閃速熱解反應器固相滯留時間設計和預測提供了理論依據； （ 5 ）根據上述實驗結果，綜合運用工程力學、工程材料、機械設計學原理，推導、建立了轉錐式閃速熱解反應器物料滯留時間（ ）與轉速（或頻率）合理匹配理論； （ 6 ）提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。

The heat pipe exchanger has the advantages of compact, controlling erode of acid dew point, high efficiency, low pressure drop loss and reliability, so they are used widely in heat energy utilization and waste heat recovery. it is also helpful to recover the waste heat, save the raw materials and reduce the production costs. economic benefit from application is obvious

以熱管為傳熱元件的熱管換熱器具有下列特點：傳熱效率高，壓力損失小，工作可靠，結構緊湊，有利於控制露點腐蝕等，這些獨特的優點是它在解決能源問題，如：利用熱能、節約原料、降低成本等方面，特別是在工業余熱利用中發揮了越來越多重要的作用。

Introducing the thermal performance calculation method called efficient factor method with the medium of the exchange coefficient on the base of the key factors which influencing the heat and humidity ' s exchange, the characters ordinary mathematics equations stem from the analysis the double spray chamber ' s thermal performance calculation identically utilizing efficient factor method, further the equations working as the core of the theory calculation and the utilization of the spray chamber ' s structure and the definition of the experimental equations, further introducing the double spray chamber ' s thermal performance calculation equations

雙噴系統熱工計算同樣採用效率系數法，進而在理論部分引出雙噴系統熱工計算方程式，這實質上就得到了本課題的核心部分? ?組合方程組，無論是理論計算還是噴水室結構類型的採用以及試驗公式的確定均以此為核心，從而最終從理論計算、試驗測定及節能性三方面論證了雙噴水室熱回收方案的可行性。

Abstract : the in servie tubular heaters built early in refineries and chemical plans have low thermal load and low heat efficiency, therefore measures for technical reform are offered, including ( 1 ) enlarging the surface area of convection tubes to increase the thermal load of rhe convection section ; ( 2 ) increasign the heat interchanging area of radiant tubes ; ( 3 ) changing the height of the chimney ; ( 4 ) using new burner with forced air supply to increase calorific capacityu ; ( 5 ) adding air preheater between the convection section and chimney to enhence the temperature of the air entering the furnace ; ( 6 ) adopting high temperature radiant coating to improve the effect of radiant heat interchanging

文摘:針對早期建造的煉油廠和化工廠在役管式加熱爐熱負荷和熱效率低的狀況，提出了若干技術改造措施包括，增大對流管表面積以增大對流段的熱負荷；增加輻射管的換熱面積；修正煙囪高度；換用新型燃燒器，變自然通風為強制供風，以增大燃燒器的發熱量，減小過剩空氣系數，節省燃料2 % 3 % ；在對流段和煙囪之間增設空氣預熱器以提高空氣入爐溫度；採用高溫輻射塗料增強輻射換熱效果，從而增加熱源對爐壁的輻射傳熱量和爐管的傳熱量等。