換熱機制 的英文怎麼說
中文拼音 [huànrèjīzhì]
換熱機制
英文
heat transfer mechanism-
Foshan nanhai chemical machinery factory the product series : storage tank, heat exchangers, reactor, tower, spin and dyeing equipment, environmental protection and sterilizing equipment, food and pharmacy equipment etc. which are wedely used in petroieum, chemical industry, fine chemical, food, medicine, spin and dye, metallurgy, mining, sullage processing, oil station etc. the product sells toward whoie country
佛山市南海化工機械廠產品系列有：儲罐、換熱器、反應釜、塔類容器、紡織印染設備、環境保護殺菌設備、食品制藥設備等，廣泛應用於石油化工、精細化工、輕工食品、制藥、紡織印染、冶金礦山、污水處理、加油站等行業，產品銷往全國各地。Understand maintenance procedure of compressor, pump, blower, turbine, tower and heat exchanger etc, and prepare lifting plan accordingly and direct big scale equipment
了解壓縮機、泵、風機、汽輪機、塔、換熱器檢維修工作程序，根據檢修要求制訂起重吊裝方案並能夠指揮吊裝大型設備。The paper analyzes the non - lineal relations of the quantity of heat exchange and water flux of coil exchanger in part - load operating condition, the shortage of deciding the water flux in bypass pipe, the disadvantage that the operating condition of pumps and chiller ca n ' t be met with the load change of the air conditioning system in different operating condition of using pressure - difference bypassing control in primary water pump system. using load control method in the change of the operating condition of primary water pump system can realize that the load change is small and reasonable in the on / off condition of pumps and m m chiller by comparing load control method in primary variable - flow water pump system with pressure - difference bypassing control method, back water temperature control method
本論文從目前空調工程中使用的變流量水系統入手，研究了盤管換熱器在部分負荷下水流量與換熱量的非線性關系，分析了文獻中介紹的旁通管通流能力選擇的不足之處和一次泵水系統採用壓差旁通控制時，工況轉換不能滿足系統控制要求的缺陷；比較了一次泵變流量水系統中壓差旁通控製法、回水溫度控製法、負荷控製法的精確性，並得出了在一次泵水系統的工況轉換時，採用負荷控製法能使冷水機組及其相應水泵在啟停時的負荷變化范圍較小，更符合建築物的冷量需求，節能效果較好的結論。The limitation of mini - volume and mini - power application condition is adequately considered, and design of whole refrigeration system is accomplished farther, including choose and structure design of compressor, choose and calculation of heat exchanger, calculation of capillary, etc. structure design of the rotary compressor is the most primary part of the design of whole refrigeration system
根據計算結果，並充分考慮到小體積、小功率的應用環境限制，進一步完成了整個製冷系統的設計實現，包括壓縮機的選型和設計、換熱器的選擇和計算以及節流管的計算等等。其中，滾動轉子壓縮機的結構微型化設計是整個製冷系統設計的核心部分。To investigate the space / time distributions and occurrence and evolution of such events, the diffusion pattern over deserts, turbulent transfer features in sandstorm weather, the particle size distribution, mass concentration and its distribution, optic properties, chemical composition and physical factors responsible for the initiation of raising sands, we made integrative observation and sounding of sandstorms deep in the large - scale desert area, including tengri, badanjilin and maowusu, with the items consisting of micrometeorological measurement, 3d wind observation, data from kb - 120 and anderson samplers of mass concentrations of sands with their spectrum, the distribution of aerodynamic particle sizes from the aps3310a, retrieval of aerosols " optic depth from sunphotometer data, assay of the chemical composition by means of neutron activiation analysis ( naa ) and integrated study of all related factors for causing sandstorm to occur, based on the observations of all kinds
利用所取資料，系統分析了不同強度沙塵天氣條件下沙塵氣溶膠質量濃度和質量濃度譜、粒子譜分佈、光學厚度、化學組分等特徵；綜合分析了影響沙塵起動的諸物理因子在沙塵起動中的作用；用沙塵輸送模式對一次沙塵暴天氣造成的泥雨過程的形成機制進行了模擬。歷史氣象資料統計分析表明，沙塵暴有其高發期（ 4 、 5月）和高發時段（ 14 - 20時） ， 14時到20時之間發生的沙塵暴約占沙塵暴總次數的66 。揚沙和沙塵暴天氣條件下，湍流動量通量和湍流感熱通量都是重要的湍流交換，沙塵暴發生前近地層的超絕熱不穩定對沙塵暴天氣有加強作用。The equipment made by us of titanium, stainless steel, aluminum or plastics, mainly include column condenser ( heat exchanger ) ; coil hear exchanger ; membrane evaporator ; constant boil tower ; reactor ; pressure filter, storage tank ; blower, centrifuge and ta series corrosion - resist titanium pump, as well as variety of metal constructional member. they are widely applied in the industries of petrochmical engineering, smelt, pharmacy, chlorinate alkali, salt preparation, as well as electric chemical plant
我廠生產鈦材，不銹鋼等各種材質的化工設備，主要有風機，離心機，鈦泵，鈦閥，列管式冷凝器（換熱器） ；盤管式換熱器；薄膜蒸發器；塔器；反應器；貯存容器；面向石油化工，冶煉，制藥，氯堿，制鹽食品，造紙，環保等化學工業領域及電化行業。Thaw settlement cause negative friction. this paper base on the thought of " initiative cooling ", aim at three problems existing in common concrete pile used in frozen soil, a new type of pile is proposed to overcome the disadvantages of the classical pile used in frozen soil. pile body within active layer is fluted and refilled with porous materials such as gravels and ballasts, convection will be occur and then thermal exchange inside porous material in winter while only heat conduction exists in summer, as a result the soil around flutings will be cooled, so the top line of permafrost will be drive up
本文基於「主動冷卻」地基的思想，以及針對凍土地區普通混凝土樁存在的三大問題，提出了一種新型樁的設計思路，運用數值模擬試驗手段對其冷卻機理與加固機理進行了系統研究，即在凍融活動層的深度范圍內，在混凝土樁身的表面刻槽，修築完時槽內填充碎石、塊石等多孔介質，通過外界大氣溫度的自然波動下多孔介質在冬季時存在的對流換熱機制，而在夏季只存在熱傳導，來達到主動冷卻樁周凍土和抬升凍土上限的目的。This paper considers the hot swap processes and the control mechanisms for these processes that a hot swap router may have. then this paper presents a kind of hot swap structure for core routers. also this paper defines the software connection states that the insertion and extraction of hot swap interface boards may cause
本文研究了核心路由器的熱切換處理過程和控制機制，給出了一種基於交換網路的核心路由器的熱切換結構，定義了介面模塊熱切換時系統的狀態及狀態之間的轉換關系。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。Studying the heat - mass transfer and multi - spices electric - chemical reaction, a dynamic temperature model was deduced for molten - carbonate fuel cell stack. the thermal radiation, shift reaction, and the change of gas spices were considered in this model. establishing momentum equation, the paper has developed a 3d temperature and flow fields model for mcfc stack based on cfd technique
建立了熔融碳酸鹽燃料電池堆內部單體的暫態溫度模型，並考慮了電堆的輻射換熱、轉換反應、反應氣體組分變化對溫度場的影響；根據mcfc的微分控制方程組，考慮氣體組分的熱力學性質及動量變化的影響，利用數值分析方法求解熔融碳酸鹽燃料電池堆的三維流場與溫度場，分析了各作用因素對熔融碳酸鹽燃料電池堆溫度分佈的影響機制。When activated by an built - in electric waves yanging from 2 to 25 ( microns ) in wavelength and 28 to 34 mw / sq. cm in intensity that coincide with the wavelengths and intensity of the electromagnetic waves released by a human body and are cosquently absorbed by the body ( so - called selective absorption )
其內部所含元素可以通過電能轉換為熱能，當激發到一定溫度，便會產生一種具有不同波長和不同能量的綜合電磁波，這種被吸收的電磁波能增強人體的自身調節機制及免疫力，使癥狀迅速康復，提高機體抵抗力。The main products includes various steam and electric heating reaction vessel, conduction oil, outer coil reaction vessel, polyester and resin completed equipments, vacuum reducing concentration tank, methanol and ethanol recovery tower, various corrugated stuffing, high effective membrane evaporator, new - type centrifugal drag membrane evaporator, vacuum rake dryer, condensing drum cut - off machine, shell - and - tube condenser,
本廠主要產品有各類蒸氣電加熱反應鍋，導熱油外盤管反應鍋，聚脂樹脂全套設備，真空減壓濃縮罐，甲醇乙醇回收塔，各類波紋填料，高效薄膜蒸發器，新型離心刮板式薄膜蒸發器，真空耙式乾燥機，冷凝滾筒切片機，列管式冷凝器，螺旋板式換熱器，外循環蒸發器，鋁制槽車貯罐，乳化設備，高速剪切分散機，種子罐，發酵罐，多功能提取罐，並承接各類非標設備。The experimental results showed that : in the summer operating mode, the refrigerating capacity and coefficient of performance of the system decreased with the increase of the temperature difference between supply and return ground - water and the water supply temperature ; in the winter operating mode, the refrigerating capacity and coefficient of performance of the system increased with the decrease of the temperature difference between supply and return ground - water and the increase of the water supply temperature. it also showed that, change the are of heat exchanger has great influence of refrigeration system
本課題通過實驗測試井水進口溫度、進出口溫差以及在不同溫差下換熱器面積匹配對系統性能的影響。實驗結果表明，夏季工況下，隨著井水進口溫度的升高，進出口溫差的增大，系統製冷量減小，機組cop降低，系統運行性能惡化。冬季工況下，隨著井水進口溫度的升高，進出口溫差的減小，系統的制熱量增加，機組cop提高，系統運行性能優化。Research on control schemes of heat exchange unit for household metering centralized heating system
分戶計量式集中供暖換熱機組控制方案研究The paper indicates that the study on mechanism of boiling heat transfer in microchannels does not first - orderly instruct engineering design and appliance, and they are constraints between geometric dimension, passage diameter, number and length efficiency of evaporators, pump power and so on
指出對于微通道沸騰換熱的傳熱機理等的研究對工程設計和應用來講還沒有形成合適的技術指導依據，蒸發器尺寸、通道直徑、數目、通道長度、換熱效率以及泵功率之間是相互制約的。In this article, constituting some the equations which reflect the flow law and building and applying many mathematical models of physical and chemical reactions in the the plasma ignition : applying k - two equations turbulence model to calculate the turbulence parameter supplying simplied reaction systerm model and applying eddy break - up model and p - i thermal radiation model. with these reasonable simplied modles, numerically simulating the flow field in the plasma ignition. during the numerical simulation, applying the body - fitted coordinates for the complex geometry of the computional field ; using the mixing format to disperse the equations ; applying simplec algorithm method to solve the equations ; using above models and methods, it can get flow field distribution ; including temperature, pressure, turbulent kinetic energy and its dissipation rate, turbulent viscosity, velocity, density. these results are significant to design and improve the plasma ignition
本文旨在通過構造反映等離子點火器內部流動規律的基本方程組，建立描述等離子點火器內部的復雜物理化學過程機制數學模型：模擬等離子發生器內部燃燒的-雙方程湍流流動模型；模擬氣體燃料在燃燒時中化學反應的簡單化學反應系統模型；模擬等離子點火器內部湍流預混燃燒的漩渦破碎模型；模擬等離子點火器高溫燃氣及其壁面的p - i輻射換熱的模型等等，對模型進行一定的合理的簡化，然後數值模擬等離子點火器內部流場的流動。Power plants converse elementary energy into electric power most of which are coal - burned power plants with a efficiency from 25 percent to 40 percent because of technology limit. as competition mechanism has been introduced into electric market and the identity of electric production, cost competition become the essential competition in electric market at present
發電廠是將一次能源轉換成二次能源的企業，在我國，絕大多數電能是由火電廠生產的，總體能耗成本十分高，受熱機技術的限制，燃料的化學能轉換成電能的效率不高，僅在25 ? 40之間。The system is described mathematically on the basis of mass balance, energy balance, and phase equilibrium. the model of process simulation of the aht system is set up. the solution system of mathematical model of absorption cycles was put forward
對吸收式熱變換器（ aht ）的基本原理和行為特徵在系統層次上進行了分析，進而根據質量平衡、能量平衡和相平衡方程對系統進行數學表述，建立了系統的過程模擬模型，並提出了aht吸收循環數學模型的求解機制。Presents the use of ice thermal storage technology in public buildings, the proper collocation and control of ice - coils, base - load refrigerating machines, dual - condition refrigerating machines, plate heat exchangers and circulating pumps, and the air conditioning system design when excess heat exists in inner zone
摘要介紹了冰蓄冷技術在大型公共建築中的應用，冰盤管蓄冰槽、基載主機、雙工況主機、板式換熱器和各種循環水泵的合理配置和控制要求及內區有餘熱時的空調系統設計。The chief aim of the this paper is to establish the mathematical model of the working process of the heat - exchanger unit and to apply generalized predictive control theory to studying the principle ? characteristics and law of gpc system of the heat - exchange unit
本文研究的目的是建立換熱機組工作過程的數學模型，在此基礎上，運用廣義預測控制理論來研究換熱機組的廣義預測控制（ gpc ）系統的原理、特點和規律。分享友人