熱流量分析 的英文怎麼說
中文拼音 [rèliúliángfēnxī]
熱流量分析
英文
heat-flow analysis- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 析 : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
- 流量 : rate of flow; flow; runoff; discharge; throughput; (flow) rate; quantity (of flow); flux
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In this paper, using phoenics software to compute and analyze the variety rule of the convecting transfer heat at the basis of computing and analyzing the temperature and velocity field of one underfloor supply air room with a focus hot source, and concluding that the number of the hot source and the supply air outlet > the intensity of the hot source and the volume of supply air will influence convecting transfer heat, and obtained its correlativity formula
本文針對一下部有集中熱源的地板送風空調小室,利用phoenics軟體,在計算分析小室內氣流的速度場及溫度場的基礎上,對對流熱轉移量的變化規律做了計算分析,最後得出對于下送風小室的對流熱轉移量與熱源的個數、送風口個數、熱源強度、送風量等因素有關,並且得出了其相關關系式。Through the special studies on impacts to atomizing and humidifying effect from such factors as the firing pin type, centrifugal structure, higher spraying pressure, less aperture, initial water temperature and original state of the air, some conclusions are obtained, such as : the centrifugal nozzle with firing pin type, high pressure and little aperture has bigger air eddy and atomizing angle. the spaying liquid has high velocity. the droplet is small, and the heat and mass transfer velocity is high
通過對撞針型結構、離心式結構、較高的噴水壓力、較小的噴嘴孔徑、噴水初溫及待加濕空氣初狀態對霧化加濕效果的作用原理的重點分析,得到:撞針型高壓小孔徑離心式噴嘴具有較大的空氣渦與霧化角,噴出的液體流速高、液滴小、水與空氣傳熱傳質速率高,撞針型結構提高了霧化加濕效率,高壓小孔徑的特點為霧化加濕提供了較大的能量,而噴水初溫的升高會減小水的粘性力和表面張力,從而優化加濕效果。Analyzing the physics structure of vorticity, divergence, vertical velocity, frontogenesis " function, apparent heat source and apparent moist sink etc. indicated the physics fields are favorable for the occurance of the heavy rain over changjiang - huaihe river basin where the physics values are well according to the heavy rainstorm positions ; the low level jet is closely subject to the moisture and the coupled system of the low and the upper level jetstreams induced the strongly " ascending motion ; the intensity of the frontogenesis varies with the development of the rainfall system and reacts the rainfall intensity
主要分析了這次過程中的多種物理量,包括渦度、散度、垂直速度、鋒生函數、視熱源、視水汽匯等,對這一暴雨過程有了比較系統的認識。結果表明:在江淮流域存在著有利於發生暴雨的物理量場配置,渦度、散度、垂直速度等物理量,與暴雨的落區都很吻合的;低空急流的產生不僅有利於水汽的輸送,而且高低空急流的耦合造成了有利於強上升運動的配置;鋒生強度隨著降水系統的發展變化,並影響降水強度。The variations of sea ice in the arctic ocean are simulated by using a improved high resolution hibler dynamic - thermodynamic sea ice model during 1979 - 1998. the model is driven by surface atmospheric and oceanic forcing consists of geostrophic winds, surface air temperature, specific humidity, and longwave and shortwave radiative fluxes provided by international arctic buoy program ( iabp ). the simulated results show that arctic sea ice have noticeable seasonal and annual variability
利用一個hibler海冰熱動力模式,在改進了其熱力部分和改變模擬范圍以及提高解析度的基礎上,以北極國際浮標計劃( iabp )提供的1979 - 1998年間逐日變化的日平均海平面氣溫場,濕度場,長短波輻射場,風場,洋流場,海洋熱流量場為強迫場,模擬了上述20年間北極海冰的時空演變。Based on analysis of geologic foundation record about pingzhuang basin, a lot of sino - foreign geothermal geology record and investigation of field geology, measuring of ground temperature in person and geo - chemical analysis of ascension spring, gushing water of fault, the fact that the anomaly of geothermal gradient of pingzhuang basin, which is in region of low geothermal gradient, is caused by redistribution of conduction - oriented geothermal heat flow which is result from upheaval and depression of basin foundation bed is pointed out. after the field of ground temperature is simulated under the background of conduction - oriented geothermal heat flow by means of ansys, the characteristic of ground temperature distribution of top surface of basin foundation bed ( yixian team ) is revealed. the sound condition of transmissibility fault and feeding water source, which are imperative in formation of the low - medium temperature geothermal system of convective type, is possessed in pingzhuang basin
通過對平莊盆地基礎地質資料、國內外大量地熱地質資料的分析和野外地質調查、礦井實測地溫以及上升泉、斷層涌水的地球化學分析等工作基礎上,指出地處低地溫梯度背景區的平莊盆地地溫梯度異常是由於盆地基底隆起和坳陷引起傳導型大地熱流再分配所致;運用州sys數值模擬了大地熱流向地表傳導背景下的盆地地溫場,從而揭示了盆地基底(義縣組)頂界面地溫分佈特徵;闡明了盆地具有形成中低溫對流型地熱系統所必需的導水斷裂、補給水源等的良好條件,中低溫對流型地熱系統是地熱勘查的主要對象;圈定了平莊盆地北部朝陽溝?駱駝營子地熱勘查遠景區。Numerical simulation and analysis of wind environment in an urban residential district are carried out, based on the theoretical research conclusions mentioned above. airflow fields distributions of pressure and turbulent quantities are obtained and laid out. statuses of wind environment with two different inflowing - azimuths are discussed
基於上述基礎理論研究對住宅小區風環境(住宅小區熱環境的主要組成部分)進行了數值模擬及分析,討論了兩種不同角度來流的風環境狀況:氣流組織、風壓分佈、湍流量分佈等。After thermodynamic calculation on several operation conditions of the furnace, cold - state flow and resistance mensuration, the combustion of the tubular - furnace hearth was changed into swirl and addition of radiate cylinder and oxygen content detection minish 1. 25 surplus air to less than 1. 15, improving the combustion condition and convection and radiate heat transfer efficacy, resuling in reducing the waste - gas temperature 45, decreasing exhaust gas loss, and saving fuel by 6 %
摘要通過對加熱爐幾種工況進行熱力計算、冷態試驗的流場分佈及阻力測定和熱態試驗的爐膛溫度場分佈及管壁溫度等參數的測定,確定將管式加熱爐爐膛內直流燃燒改為旋流場燃燒和增加輻射筒,增設煙氣含氧量分析,可以將燃燒的過剩空氣系數從1 . 35減小到1 . 15以下,極好地改善爐膛內的燃燒狀況和對流輻射傳熱效果,從而降低排煙溫度45 ,減少加熱爐排煙損失,節約了煤氣量6 %以上。Analysis is made on structure characteristics of the finned - tube, and analysis has been made on the special heat and mass transfer principle of every micro - unit under both dry and wet conditions. appropriate hypothesis is made and based on the energy, mass and momentum equivalent, the evaporator models of dynamic distributed parameters are set up. in addition, the gascooler and internal exchanger models of dynamic and distributed parameters, the throttling valve models and the compressor models are set up, too
本文的內容如下: 1對翅片管蒸發器的結構特點進行分析,選取適當的微元體,對于干、濕工況下每個微元分別進行傳熱傳質分析,通過適當的假設,利用質量守恆方程、能量守恆方程和動量守恆方程建立了蒸發器的分佈參數數學模型;對回熱器劃分微元建立了分佈參數數學模型;對氣體冷卻器建立了分佈參數數學模型;對壓縮機建立了數學模型;建立了節流閥的數學模型,為系統模擬奠定了基礎。With experiments and theoretical analyzing, we find when the heat discharge is smaller than the entrainment limited, what influences the ability of heat - transmitting of work quality is the quantity of injection and dry limit fluid inventory, the optimum quantity of injection of the three working fluid is 8 ~ 14g ; and the delivering factor that transmission coefficient is determined by capillary limit, not the heat transmission ability of the thermal syphon. therefore, among the three working fluid, acetone is the best. low wind - speed has the obvious function in heat transmission of the thermal syphon
本文通過實驗研究和理論分析,認為在熱流量小於攜帶極限時,影響工質傳熱能力的是cpu重力熱管的充液量和其乾涸極限,此次所實驗的三種工質,最佳充液量應當在8g ~ 14g ;傳輸因素主要決定普通熱管的毛細極限,而不是重力熱管傳熱能力的決定因素;三種工質中的最佳工質是丙酮;小風速時風速的變化對cpu重力熱管的傳熱有明顯的作用,但在風速大於1m / s以後,風速增加對于cpu重力熱管的傳熱能力的增加效果減緩。Based on the hydrocarbon accumulation conditions of erlian basin, integrated analyses including burial history, thermal history and characteristics of diagenetic fluid inclusions of oil reservoir in three main depressions are conducted, and in terms of quantitative analysis of homogenization temperature of fluid inclusions, the formation stages of the oil accumulations are determined
摘要在對內蒙古二連盆地3大凹陷成藏條件和埋藏史、熱史分析研究基礎上,結合儲層成巖流體包裹體特徵分析,利用流體包裹體均一化溫度定量分析方法確定了二連盆地油藏的成藏期,並將二連盆地巖性油藏與構造油藏的成藏期進行了對比研究。The theoretical analysis and the simulation of the chain structure model indicate that the fluctuations of mass leaving enthalpy close in on that of distributed parameter model with two - order, two - order, and three order precision at the disturbances of heat flow rate, mass entering flow rate, and mass entering enthalpy
理論分析及模擬結果表明,該模型在熱流量、入口流量和入口焓的擾動條件下,出口焓的變化分別以二階、二階、三階精度逼近分佈參數模型。It is very difficult to analyze flame radiation in the cylinder of a diesel engine by theoretical method since flame radiation is a function of many parameters, such as the combustion process, the geometrical description of the chamber, the soot formation and oxidation processes, the soot radiant temperature and soot absorption coefficient. the radiant property of the flame in a cylinder is dependent on the combustion process. but the thermodynamic state of real engine cycles can be analyzed from the pressure - volume diagrams in the cylinder. thus a new thermodynamic computational model is set up for the flame radiation in the cylinder of a diesel engine based on the indirect relationship between the flame radiation and the pressure - volume diagram of the combustion process in this paper. the flame radiant heat flux in the cylinder of a di diesel engine is calculated with the variation of crank angle by this model. compared with measured values, the result of the computational values shows the model is available to represent the effects of flame radiation
柴油機缸內的火焰輻射受諸多因素的影響,用理論分析法來確定它是相當困難的,由於柴油機缸內火焰輻射特性依賴于缸內的燃燒過程,而燃燒過程中的實際熱力狀態又可用示功圖來分析,因此藉助於火焰輻射與缸內熱力參數之間的這種間接關系,建立了一種計算柴油機缸內火焰輻射傳熱的新模型,利用該模型對一臺直噴柴油機缸內火焰輻射熱流量隨曲軸轉角的變化情況進行了計算,將計算結果與實測結果進行了比較,表明該模型能較好預測缸內火焰輻射傳熱量。This new technology changes from the traditional method by which the induced and compressor wheel separately are designed and produced to a new one by which the one - piece compressor is designed. on the basis of this new technology and the optimum blade profile, the performance of both the compressor and the turbocharger is largely improved. through the heating power calculation of the compressor, the analysis of the surge and the block of the compressor, the test - bed performance test of the turbocharger, the matching test of turbocharger and diesel engine, the propulsion test of the turbocharger on plateau condition, it is proved that the newly - designed compressor not only has high efficiency, but also improves the flow distribution in the high efficiency area so that the propulsion line can run through the high efficiency area
主要內容包括:提出一種全新的壓氣機葉輪技術和概念,這種技術將傳統的導風輪和壓氣機分開設計、單獨加工改為整體設計、整體加工的單體葉輪;從增壓器與柴油機配機計算所得出的基本參數出發,通過對壓氣機進行熱力計算,確定壓氣機的基本結構參數;再對葉型以及葉輪輪廓與葉輪罩殼的配合間隙進行優化,對新設計的壓氣機進行喘振和堵塞分析;通過增壓器平臺性能試驗,驗證了新設計的壓氣機的性能水平得到了較大的提高,達到了提高增壓器的整體性能水平的目的;通過增壓器與柴油機配機試驗、以及增壓器用於高原條件下的牽引試驗,驗證了新設計的壓氣機不但具有高效率,還改善了高效率區的流量分佈,使牽引特性線貫穿高效率區。In chapter 5, thermal characteristics of spindle system with cooling jacket are analyzed on xk717 cnc milling machine by combining 3d finite element model with the temperature model of cooling water between spindle system and water tank. the effect factors to thermal behavior of the main spindle system are studied by analyzing both cooling parameters and structure. finally, the main conclusions and prospects for the future research are presented
第五章建立了xk717數控銑床主軸及主軸箱的三維有限元模型,結合普通水箱進行冷卻時冷卻水溫升的數學模型,對帶有冷卻套冷卻的銑床主軸系統進行熱特性分析,得出了各種參數(如冷卻泵的流量、水箱的大小、散熱狀況及冷卻水的溫度)對主軸熱特性的影響規律;並提出了對主軸冷卻套的布局進行改進的想法,從而為數控銑床的設計提供了理論依據。The demonstration of heat - transfer measuring techniques and prospect of infrared thermal mapping techniques, main parts and performance indexes of a infrared camera, functional blocks and implementation of infrared processing software, experimental facility and measuring system of the wind tunnel has been made. the model emittance was experimentally determined and the three methods correcting directional emittance were compared. those problems of the infinite - slab model thickness and constant wall heat rates hypothesis, the determination of adiabatic wall temperature were discussed in a 1 - d heat conduction analysis
本文對紅外熱圖測熱技術與應用前景、紅外熱像儀主要部件與性能指標、紅外測熱數據處理軟體功能模塊與實現、風洞試驗設備與測量系統等進行了論述,測量了模型表面發射率並對發射率隨極角變化的三種修正方法進行了對比,對一維熱傳導分析中模型壁厚半無限假設、壁面熱流定常假設、絕熱壁溫選取等進行了探討。This paper presents the effects of some features on the productivity of raw c60 materials, such as distance and approaching speed of electrodes, helium partial pressure and arc current etc. then we separate and purify the raw materials and obtain pure solid c60 of 99. 9 % and compare the purification efficiency and effect of different fluxion phase and fixed phase and discuss the effects of the experimental conditions, such as the depositing speed, the type of the substrate, the surface structure of the substrate and the temperature of the substrate. finally, we use xps, afm, ultraviolet, infrared and raman to analyze the component, structure and feature of the films qualitatively and quantitatively
本文首先研究了氦氣分壓、弧電流大小、電極間距以及電極推進速度等實驗條件對制備c _ ( 60 )粗品產率的影響;接著選用柱色譜法分離提純得到了純度大於99 . 9的c _ ( 60 )固體,比較了不同流動相和固定相的提純效率和效果;然後採用自己改進后的真空鍍膜機,利用電阻式加熱蒸鍍方法,得到了純c _ ( 60 )薄膜和不同摻雜比的銀摻雜薄膜;探討了沉積速率、襯底種類、襯底表面結構以及襯底溫度等實驗條件對薄膜結構的影響;最後通過xps , afm ,紫外,紅外,拉曼對薄膜的成分、結構和特性作了定性和半定量分析。Dynamic heat characteristics of radiators after a step change in flow rate
流量階躍變化后散熱器動態熱特性分析And also meet experiment result well. the heat release from floor thought radiation is validated about 70 % by analyzing the surface coefficient of heat transfer with convection and radiation
隨后,對低溫輻射地板上表面的對流換熱系數和輻射換熱系數分析結果表明地板表面輻射散熱量約佔地板表面總散熱量的70 。It is capable of real time data stream analysis, ip data package logging and protocol analysis, which makes it a new hot issue in safeguarding the network security
Snort是一個輕量級的網路入侵檢測系統。它具有實時數據流量分析和日誌ip網路數據包的能力,能夠進行協議分析,是網路安全領域的一個新興的熱點。On the basis of the reptured tube at the final superheater of no. 4 boiler in yangluo power plant, the " tee junction effect " of terminal header on flux distribution in superheater was analysed, a mathematical model was founded to calculate the tube temperature and evaluate the lifespan of superheater and some measures to prevent eddy current in the area near the tee junction were put forward
摘要分析了進口等徑三通對過熱器管流量分配的影響,建立了過熱器壁溫計算模型,並以華能陽邏電廠4號爐高溫過熱器爆管為例,對渦流效應的大小進行了分析,提出了消除渦流效應的措施。分享友人