換熱機理 的英文怎麼說
中文拼音 [huànrèjīlǐ]
換熱機理
英文
mechanism of heat transfer-
As to the work about theory analysis, at first, the paper describes the atomizing and humidifying process of the centrifugal nozzle with firing pin type, high pressure and little aperture and liquid physical properties. later, combining with the structure characters of this kind of nozzle, the paper studies on the theory of the atomizing and humidifying process by three phases, which is water film forming phase, water film falling into pieces phase, and heat and mass transfer between water and air phase in turn
理論工作方面，首先描述了撞針型高壓小孔徑離心式噴嘴的霧化加濕過程和液體的物理性質，然後結合撞針型高壓小孔徑離心式噴嘴的結構特點，將其霧化加濕過程分三個階段進行機理上的研究，這三個階段依次為液膜形成、液膜初次破碎及二次霧化、水與空氣的熱濕交換。For a soil or rock of water - lacked, a heat transfer theoretical model is developed, which is a steady or unsteady, the results show that reservoir temperature, thermal diffusion coefficient, inlet temperature, flow rate of and run time of ground source heat pumps have an effect directly on heat transfer process of dhe. it can deduce that intermit running is favorable for this type of soils and rocks
對于貧含水地下巖土層建立了穩態與非穩態傳熱的理論模型，分析結果表明，巖土層的熱儲溫度、導溫系數、埋地換熱器進水溫度、流量以及地源熱泵系統的運行時間或開停機比，都對埋地換熱器的傳熱過程產生直接影響，可以推斷，對于該類型巖土層的地源熱泵系統，採用間歇運行將是有利的。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。Usages : exhaust pipes of aircraft, boiler covers, heat exchangers, boiler pipes, some parts that are impossible for heat treatment after welding or assembling
航空器排氣管、鍋爐蓋罩、熱交換機、鍋爐用管、延展接頭等的焊接、接合后無法熱處理的零部件及設備。Energy consumption of heating rooms will increase when air exchange rate become large. because the mechanisms of heating methods used currently, such as radiator heating, ceiling heating and warm - air heating, are different from each - other, the indoor thermal environment is not the same when each one of them employed for room heating. for enhancing energy efficiency of heating rooms, indoor thermal comfort and energy saving effects should be investigated when natural ventilation is used to make a good air quality indoors
房間換氣次數的增加勢必導致供暖房間能耗加大，頂棚輻射、散熱器和熱風等三種採暖方式由於供暖機理不同，形成的室內熱環境特徵不同，通風換氣時產生的通風熱損失也有所區別，為了提高大換氣量房間的供暖節能效果，必須對不同供暖方式在大換氣量情況下的熱舒適性與節能效應進行研究。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。Heat transmiting principle and realization of spirally longitudinal shell - and - tube thermal exchanger
螺旋縱流管殼換熱器的傳熱機理與實現By analyzing the mechanism of boiling heat transfer and pool boiling, the model of evaporative cooling transformer, on which pool boiling heat transfer experiment has been finished, was designed and made
通過對沸騰換熱機理和大容器沸騰換熱的分析，提出了蒸發製冷變壓器模型，並在該模型上對自行研製的全氟三乙胺進行了大容器沸騰換熱實驗。The simulation results presented in this paper is of some reference basis for optimizing the heat - exchanger unit operation and developing new route of raising heating quality, energy saving and consumption reducing
為優化換熱機組的運行，開拓提高集中供熱系統的供熱質量和節能降耗的新途徑提供了理論上的參考依據。The experimental results indicate that when the air flow rate is determined, the key problem for energy saving is how to keep the indoor thermal comfort at a suitable level and reduce the difference between the internal and external temperature of the room. a formula is gained for calculating the critical values of air exchange rate. when ventilating rate is greater than the value, radiating heating is the better way for energy saving, or else, convection method in heating is more suitable
實測還指出，當通風量一定時，如何保證人體熱舒適度不變而減少室內外氣溫差將成為大通風量房間節約採暖能耗的關鍵，本文結合圍護結構傳熱機理，在對三種方式的能耗狀況進行理論分析的基礎上，提出了換氣次數的節能臨界值，若換氣次數高於此值，則輻射供暖是較好的選擇，否則，散熱器供暖是較好的方法。This paper mainly studied generation and develepment of the longitudinal vortex and its mechanism for the heat transfer enchancement
本文主要研究了縱向渦的發生發展規律及其強化換熱機理。3 、 the single - phase laminar flow and heat transfer has been calculated by different discredited scheme in helical tube and the results are very in accord with the obtained experimental data
3 、採用不同的差分數值離散格式，對螺旋管內單相層流流動換熱進行了數值計算，深入了解螺旋管內單相流動及強化換熱機理，其計算結果和已有的實驗數據非常吻合。The method was used to analyze the mechanism for enhancing heat transfer by way of using numerical analysis and can be used to study how to apply the field harmony theory to spirally fluted tube strengthen heat - transfer
本文在場協同理論指導下進行了強化換熱機理探討，利用數值分析方法，從分析流場與溫度場的協同配合關系入手，研究場協同理論在螺旋槽管強化傳熱中如何應用問題。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。The working principle, features and application in heating of steam saturation heat erchange unit are introduced
摘要介紹了蒸汽飽和板式換熱機組的工作原理、特點及其在採暖工程中的應用情況。From the heat and humidity ' s exchange principle between the air and the water in the spray chamber, utilizing the film theory, inducing the heat and humidity ' s exchange primary equations
從噴水室內空氣與水進行熱濕交換的機理入手，利用膜理論，推導熱濕交換基本方程式。Compared with traditional air - conditioning, its advantages lie in thermal comfort energy efficiency free use of spacing and etc. this paper introduces the procedure and the result of the experiment of gas - heater radiant floor system and gshp radiant floor system and compares them with traditional air - conditioner. based on the analysis of the heat transfer of radiant floor, this paper uses the theory of heat transfer to establish a mathematical model and computes it with difference equation. the important factors inferred from the model such as floor surface temperature heat intensity composite heat transfer coefficient deviate from the experiment result in a small range of 20 % and fit the need of the practical use
在分析了輻射地板傳熱機理的基礎上，文中利用熱傳導、大空間的自然對流換熱等傳熱學理論建立了輻射地板的傳熱模型，再採用有限差分方法對模型求解，所得有關輻射地板供冷熱性能的重要參數如地板表面平均溫度、熱流密度、地板表面復合換熱系數等與實測值相差在20以內，滿足工程使用要求；同時得出輻射地板盤管供水溫度是影響地板供冷熱性能的重要因素的結論。Analysis of heat transfer enhancement mechanism of new heat exchanger with twisted - leaf tube bundle support
旋流網板換熱器強化傳熱機理分析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。First, the dynamics characteristics of the heat - exchanger unit is analyzed carefully by using the knowledge of the fluid dynamics and heat transfer etc., and makes some reasonable simplicities and assumptions. so it establishes the mathematical model of the working process of the heat - exchange unit, and applies the recurrence parameter estimator to identifying and proving
本文首先綜合應用流體力學、傳熱學等方面的知識，分析了換熱機組的動力學特性，通過合理的簡化和假設，建立了換熱機組工作過程的數學模型，並使用遞推參數辨識器對其主要參數加以估計和驗證，從而得到換熱機組的carma （受控的自回歸滑動平均）或carima （受控的自回歸積分滑動平均）模型。分享友人