運轉用發熱 的英文怎麼說
中文拼音 [yùnzhuǎnyòngfārè]
運轉用發熱
英文
run hot-
The test shall demonstrate to the satisfaction of the owner that the equipment meets all specified performance criteria, is properly installed and anchored, and operates smoothly throughout the specified speed range without exceeding the full load amperage rating of the motor or excessive motor heating
測試應該讓用戶滿意,證明這些設備符合所有規定的性能標準,經過正確的安裝和錨固,在額定轉速范圍內運行平穩,沒有超過電機的額定滿負荷運轉電流安培數,或發生電機過熱。Suction gas pressure goes up as the compressor run at the lower speed in the lower burthen, and this is beneficial to lower systems energy - consume. when the system is controlled by wvf, the discharge change of the evaporator is not linear ; the electronic expansion valve is adopted to regulate the system superheat degree, and the controlled object is parameter time varying, accordingly, the time varying controller should be adopted
在負荷較小時,壓縮機採用低速運轉,吸氣壓力升高,這對系統降低能耗是有利的;變頻控制時,蒸發器製冷劑流量的變化並非線性;系統中採用電子膨脹閥進行過熱度控制,被控對象具有參數時變的特性,相應地宜採用變結構的控制器。The pilot fuel model has been given to calculate the distribution of the liquid fuel and time of fuel pre - combustion, at the same time, analyzing the important action to the combustion of the natural gas in the combustion chamber of engine, determining the best quantity of pilot fuel. the explosive combustion model has been established to compute the pressure of the cylinder during the combustion, determining the main influence factors. the emission model has been established to forecast the co, nox emission
理論方面,提出了基於化學反應的燃燒模型?多組分氣相反應系統的化學反應動力學模型,以此進行雙燃料發動機的熱力學?化學反應動力計算;引燃油燃燒模型,計算引燃油液滴的分佈規律和滯燃期,驗證引燃油在雙燃料發動機燃燒過程中的作用,揭示不同噴油規律對雙燃料發動機的影響,確定在不同負荷下的合理引燃油量;爆震模型,揭示爆震與工質能量釋放間的關系和影響爆震的各種運轉因素,確定合理的爆震依據,減小爆震傾向。The air thermal cnergy water heater creates the new generation hot water cquipments. it makes use of the negative card promise successfully, drieing a hot pump with the elcctrie power. equiping through a hot pump medium of compesing parts evaporate a machine. hot pump, congealed machine and inflate valve, urge the work quality completes evaporationt absorb calories within air continuously compress compress congealed reduce expenses evaporate of the thermody name energy cirenlation proess, transfer the calories in the environment to the water thus in, transfer the in great quantities free calories in the air to the life to use a water in
空氣節能熱水器是創新一代熱水設備,它成功地運用逆卡諾原理,用電能驅動熱泵,通過熱泵裝置中的構成部件-蒸發器,熱泵,冷凝器和膨脹閥,促使工質不斷完成蒸發(吸收空氣中的熱量)壓縮冷凝節流蒸發的熱力循環過程,從而環境的熱量轉移到水中,將空氣中大量免費的熱量轉移到生活中水中I try to evoke the university reformers ' gender sense today to develop the universities ' taking on their responsibility, for women ' s liberation and growth
事實上,在女子進入大學的近現代社會轉型時期,大學在引領婦女運動發展,催生女性服務社會的精神,點燃女性革命熱情,開拓女性智慧等方面起到了相當大的歷史作用。As a result of the heightening of mechanical operation speed and the application of new materials and new structures, the nonlinear dynamic behavior in rotating machines is becoming increasingly outstanding and important. nonlinear dynamic phenomena in rotating machines cant be described, explained and predicted by rotordynamics based on linear system theory. along with the deepening and permeating of nonlinear scientific research, the nonlinear vibration of rotor systems has become an attractive field in recent years. from a point of view to set up the distinct corresponding relations between vibration states and failures of rotating machines, main advances in the research of rotor nonlinear vibration are summarized, and typical nonlinear dynamic phenomena and their forming mechanism are also summed up in the paper. the aim of the paper is to enrich the diagnostic knowledge base of rotating machines. 55refs
由於機械運轉速度的不斷提高和新型材料、新型結構的推廣應用,旋轉機械的非線性動力學行為日顯突出和重要.基於線性系統原理的轉子動力學理論與方法難以對實踐中出現的豐富的非線性動力學現象作出準確的描述、闡釋和預測.近年來,隨著非線性科學研究的深入和滲透,轉子系統非線性振動已成為應用力學和機械工程領域的研究熱點之一.從有利於建立旋轉機械振動狀態集與故障集之間的映射關系出發,綜述了近年來轉子系統非線性振動研究的主要進展,總結了轉子系統中出現的典型非線性動力現象及其產生機理,目的在於豐富旋轉機械故障診斷知識庫.參55With the engineering thermophysics subject as a main theory basis, the boiler, the steam turbine, the internal combustion engine and the other new, being developed power machinery and system as the research object, the application of engineering thermodynamics , heat transfer, computer system control theory, environmental science, microelectronics technology, energy - saving technology and other knowledge , study the process and the basic law of fuels chemical energy and liquid kinetic energy to converse to the power securely and efficiently and low ( or no ) impurely ; study the energy conversion process systems and technology of equipment automatic control ; study the producing mechanism and emission control technology of combustion pollutants ; study energy - saving technologies and the development of new energy technologies
熱能工程是以工程熱物理學科為主要理論基礎,以鍋爐、汽輪機、內燃機和正在發展中的其它新型動力機械及系統為研究對象,運用工程熱力學、傳熱學、計算機自動控制理論、環境科學、微電子技術、節能技術等學科的知識,研究燃料的化學能和液體的動能安全、高效、低(或無)污染地轉換成動力的基本規律和過程;研究能量轉換過程中的系統和設備的自動控制技術;研究燃燒污染物生成機理與排放控制技術;研究節能技術與新能源的開發技術。Only on rare occasions do the thermodynamics work ; the fluid motions and the magnetic field all evolve in a compatible manner, so the new dipole polarity can diffuse in and establish a reversed magnetic field
只有在很少的情況下熱力學才發揮作用,此時流體運動和磁場都會以相互訪調的方式演化,這樣新的偶極性就會散開並建立一個倒轉的磁場。Along with the ecological and energy - saving trend of construction development, diangong solar applies light - heat conversion technique to realize the integrated air conditioning system of water heating. heating and refrigerating. it co centralizes large area of solar heat collectors to heat water, uspplying families and units with consistent water supply. in winter, it uses the solar heated water to realize floor heating or fan heating, in summer, the heated water is used to refrigerate by the high - efficiency hot water refrigerating set solely developed by diangong. besides, the systemis equipped with assisting resources to form an integrated air conditioning system, which is efficient, safe, environmental, energy - saving and economic. by it, people can enjoy a natural and healthy life at home
電工太陽能順應生態節能建築發展潮流,以太陽能光熱轉化技術實現熱水/供暖/制準予一體化空調系統工程應用,採用大面積太陽能集熱器採集中高溫熱水,為家庭或單位用記提供全方位熱水供應,在冬季利用太陽能熱水進行地板或風機供暖,解決冬季取暖問題,在夏季利用太陽能熱水,通過電工獨立開發的商效能熱水製冷機組進行製冷,集成太陽能一體化空調系統,系統配備輔助能源,全天候自動運行,高效,安全、環保、節能、經濟,在家中享受陽光自然的舒適健康生活。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。In this paper we establish math modal of transient temperature and stress fields of the turbine " rotor with finite element method, develop rotor ' s thermal status online monitor system by distribute computer and visual software, realize online show and analyst of temperature and stress fields when all kinds of transient condition, and finally provide reasonable and optimized operation suggestions, improve safety and economic level of unit sets " operation
本文採用有限元建立汽輪機轉子的暫態溫度場、應力場的數學模型,藉助計算機分散式計算、可視化等技術開發轉子的熱狀態在線監測系統,實現汽輪機在各種過渡工況下轉子溫度場、應力場的在線顯示與分析,提供合理的操作建議,提高機組運行的安全性與經濟性。Firstly, the experience and the reason of vehicle hot axle engendering are analyzed. secondly, by utilizing the thermodynamic theory of hot axle box, the heat balance of vehicle alxe temperature field is analyzed. thirdly, the temperature rule in alxe box is studied through the two methods of linear regression and probability and fuzzy mathematics and the subject function of running heat, micro - heat, strong heat is built
第一部分列車軸溫規律的研究,首先分析了車輛熱軸發生歷程和產生熱軸原因,其次應用車輛軸箱熱力學理論,對車輛軸箱溫度場進行了熱平衡分析,最後應用一元線性回歸及概率分析和模糊數學方法得出了運轉熱軸溫規律,並建立了運轉熱、微熱、強熱、激熱的隸屬函數。Rotating pipes system are often encountered in the rotary machinery of engineering applications. with the popularity of rotary machinery in industry, the characteristics of the fluid flow and heat transfer in the controlling pipe system, the transporting pipe system, and the cooling pipe system are the main factors to improve the efficiencies of the rotary machinery. meanwhile, when a man is in the aerocraft with a high rotating speed or in the rotating machine for training, the flow in the blood vessel of body will change evidently and so the study on the flow in the blood vessel also becomes the important research field in the aerial - physiology
在旋轉狀態下,這些曲線管路系統中的流動和換熱特性將會發生什麼樣的變化,是對管路系統的性能以及旋轉裝置的運行安全至關重要的問題,也是管道流動中研究很少,又是迫切需要解決的課題;同時,這個課題還可以應用於生物流體力學:當人體處于作高速旋轉或曲線運動的飛行器或宇航飛行員訓練的旋轉裝置中,人體血管內血液流動將會發生什麼樣的變化,是航天生理學研究的重要課題。During its operation, the rotor of the machine is always under the great suppression of centrifugal force. the surface of rotor is the most important part to enduring the forces and thermal energy. so the windings of rotor are in a common problem of happening one - point to earth short fault, two - point to earth short fault, or turn - to - turn short fault
汽輪發電機是一種高速隱極式同步電機,在其運行時,轉子受到強大的離心力的作用,而轉子表面是承受機械應力和發熱的最關鍵的部件,因此汽輪發電機轉子繞組容易發生一點接地、匝間短路和兩點接地短路故障。Fortunately, advances in science and technology have provided us with several alternative means of producing energy on a sustainable level, such as wind, geothermal, biomass, and solar. of these means, solar provides the most widely adaptable applications of converting sunlight directly into electrical energy. however, cost still remains the leading factor in obstructing the large - scale installations of solar cells
幸運的是,隨著科學和技術的進步,我們已經找到了幾種新的可持續性能源,如:風能、地球熱量、生物量以及太陽能等,其中太陽能由於可將陽光直接轉換為電能因而具有更為廣闊的應用前景,但是目前成本依然是限制大規模光伏發電應用的主要問題。Finally, we study the ( 2 + l ) - dimension nonlinear dispersive long wave equation skillfully, we find the self - transformation between the two equations and turn the ( 2 + l ) - dimension nonlinear dispersive long wave equation into a simple ( 2 + l ) - dimension pde. then, with the homogeneous balance method we obtain the hopf - cole transformation between the ( 2 + l ) - dimension pde and the heat equation. through it, we obtain abundant exact solutions of the ( 2 + l ) - dimension nonlinear dispersive long wave equation with the matlab, including the multi - solitary wave solutions
) : = 0 . ( 2 )巧妙的發現了( 1 )與( 2 )之間的自變換,將這個方程組轉化為一個簡單的偏微分方程,並利用齊次平衡法得到了此方程與熱傳導方程之間二維形式的物pf - cofe變換,從而藉助m胡ab的符號運算得到了2 + l維非線性色散長波方程包括多孤子解在內的多種新精確解。Hae is and consists of 3 major parts around the baiyun airport : the airport business section, airport new and high technology & logistic industry base, and guangzhou huadu airport bonded zone for processing and logistics presently, several large - scale projects such as fedex asia - pacific express hub, guangzhou hyundai commercial vehicle, shenzhen airlines, and hainan airlines have been settled here
目前, 「花都空港經濟園」正處于熱火朝天的開發建設過程當中,已有聯邦快遞亞太轉運中心、廣汽現代商用車、深圳航空、海南航空等多個大型項目進駐。In china our pruducts also already used in top - grade business enterprise successively - beijing first heat power station, tianjin panshan power plant, shentou first heat power station, etc. we completely resolved the problem of explosion - proof on the coal - milling system which has puzzled power plant for many years
首批產品已應用於美國卡爾本炭素有限公司,運轉正常在國內也已經先後使用於北京第一熱電廠天津盤山發電廠山東南山電廠等國家一流企業,完全解決了困繞發電廠多年的煤制粉爆炸時的安全泄爆問題。Refractory for fertilizer equipment is developed by this factoy according to the analysis and research of refractory material for synthetic ammonia equipment, which is suitable for the synthetic ammonia equipment in china, and can be used as heat insulation lining for 1 - phase converter and 2 - phase converter. besides, it can satisfy the requirement of long term safe wirking
公司在引進合成氨裝置不定型耐火材料的基礎上開發研製了系列耐材,該系列產品具有強度好、使用溫度高、隔熱性能好等特點,完全能滿足一段轉化爐、二段轉化爐等裝置的長周期運行。If the cover isnt installed in a right place, foreign elements are likely to enter the driving apparatus and damage the driving belt
沒有傳動帶,輔助驅動裝置就無法運轉。水泵一旦不起作用,發動機隨之過熱而在數英里之內就停下來。分享友人