集熱器性能 的英文怎麼說
中文拼音 [jírèqìxìngnéng]
集熱器性能
英文
collector performance-
Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping
本文的主要內容如下： 1 ）對翅片管蒸發器結構特點進行分析，選取適當的微元控制體，就干、濕和霜工況下對每個微元分別進行傳熱傳質分析，基於經驗關系式確定霜的有關參數，對于霜工況下的霜生長建立模型，經適當假設，運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型，為系統模擬奠定基礎； 2 ）對蒸發在大擾動下的開、停機過程，運用動態集中參數模型進行分析和計算，為更好地描述製冷系統運行的全過程奠定基礎，同時也為製冷系統實現自動控制提供一定的理論基礎； 3 ）對蒸發器正常運行過程，運用動態分佈參數和參數間定量耦合的觀點來分析和計算，為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性； 4 ）編寫翅片管蒸發器動態特性模擬計算程序，可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場，實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。Test method of thermal performance for solar collectors
太陽能集熱器熱性能的試驗方法Indoor test methods for the thermal performance of solar collector
太陽集熱器熱性能室內試驗方法Generating all - day thermal performance data for solar collectors
太陽能收集器用全天熱性能數據的形成Test methods for the thermal performance of flat plate solar collectors
平板型太陽集熱器熱性能試驗方法Solar collectors, method of testing to determine the thermal performance of
測定日光收集器熱性能的測試方法Equipment for collective restaurants. fast chilling cells, freezing cells, reheating equipments and isothermic containers. measuring of thermic performances
集體食堂用設備.速凍間冷凍.重新加溫和隔熱容器設備.熱性能的測定Gaas crystal is a kind of iii - v group compound semiconductor material with good electrical performance. the semiconductor devices and integrated circuit ( ic ) fabricated on gaas substrate have such advantages of hign - speed information processing that they have drawn the researcher ' s attention
Gaas晶體是一種電學性能優越的-族化合物半導體材料，以其為襯底製作的半導體器件及集成電路，由於具有信息處理速度快等優點而受到青睞，成為近年來研究的熱點。Induction heater is the main part of the electromagnetic induction heating, it determines the heating efficiency and power distribution. this article designs and analyzes the induction heater and magnetic flux field concentrator
感應器是電磁感應加熱的重要部分，對感應加熱的效率和能量分佈起決定性作用，磁通集中器的設計直接關繫到系統加熱效率。And the results of calculation and numerical simulation indicate, without increasing the intrinsic collector - junction area of power devices, collector - combed structure helps to raise the intrinsic heat - dissipating area and base ' s perimeter, improve heat - dissipating method of each cell of the chip, enhance the distribution uniformity of junction temperature and current of each cell of the chip, reduce the thermal resistance and raise the dissipation power pd and output power p0, fairly well relax the contradiction among frequency, out - put power and dissipation power of the devices, and further improve the devices " property against second breakdown
而計算分析和二維數值模擬分析結果表明：梳狀集電結（基區）結構在不增加器件本徵集電結面積的條件下，增大了器件的本徵散熱面積和基區周長，改進了每個子器件單元內的散熱方式，提高了單元內結溫和電流分佈的均勻性，降低了器件的熱阻，增大了器件的耗散功率和輸出功率，較好地緩解了目前傳統結構中頻率與功率、功耗的矛盾，並有利於改善器件抗二次擊穿的性能。It possesses not only the self - learning ability and adaptability, but also the function of self - adjusting factors. based on fuzzy set, neural network theory, the fuzzy control model and fuzzy neural network control model of multi variable system are presented. based on the automatic core - welding line of shop floor control system in yangzhou radiator plant computer integrated manufacturing system ( ys - cims / sfcs ), the fuzzy logic theory was applied to the controlling device and established the main heating room fuzzy temperature controller and finally was put into practical use
本文採用了基於神經網路技術的智能pid控制策略，設計了一類具有自學習和自調整比例因子功能的神經元網路自適應pid控制器的結構及演算法；為解決結構不確定性的復雜多變量系統的控制，基於模糊集及模糊系統、神經網路理論，建立了多變量系統的模糊控制模型及模糊神經網路控制模型；針對揚州水箱廠計算機集成製造系統車間管理與控制系統（ ys - cims sfcs ）中的實際工程問題，設計和開發了散熱器芯子烘焊自動線主烘腔溫度模糊控制器，解決了生產中長期存在的老大難問題，提高了產品質量，降低了單產能耗。The large gate current brings out a lot of questions such as thermal stability, thermal dissipation, lifetime etc, so, it affects the device ' s function and the device ca n ' t work normally
如此大的柵電流，將會產生很多嚴重的問題，如熱穩定性、散熱、壽命等問題，嚴重地影響著器件性能，使器件不能正常工作，以致限制了集成電路的進一步發展。The method of beam track is introduced to briefly analyze the light - heat property of the surface porous metal plate, and a condideration to adopt the surface porous plate to replace flat plate as the collecting heat plate is proposed
作者通過光線跟蹤法多孔板的光熱性能作了簡單的分析，並設想採用表面多孔金屬板代替光滑板作為太陽能集熱器吸熱板芯。This paper mainly described the research on rheological property, high thermal stability, flame retardant, the influence of catalyst and insulating heat conduction of organic silicon encapsulating materials, which greatly apply on electronic equipment and large scale integrated circuit and so forth
摘要本文主要綜述了國內外用於電子元器件、大規模集成電路等高科技領域的有機硅灌封材料在流動、耐高溫、阻燃和絕緣導熱等方面的性能以及催化劑對灌封材料的影響的研究應用進展。This paper states the situation of our countrys solar energy utilization, indicates the background and possibility of solar energy heat pump utilization, and gives the energy balnce equation of instruments in this system in view of typical solar energy heat pump system
針對我國太陽能的利用情況，指出利用太陽能熱泵的背景與可能性，並針對典型太陽能熱泵系統，給出此系統各設備（包括集熱器、蒸發器、冷凝器和蓄熱器）的能量平衡方程，分析了太陽能熱泵系統的供熱性能系數。Considering the weakness of the solar - power adsorbers in refrigeration / air conditioning, such as the effects of heat collecting in desorption period and heat loss in adsorption period, here, a new adsorber is proposed ? ? evacuated tube which is cooled by water. simulation calculations and experiments have been performed. with a view to the intermittent characteristics of solar - powered adsorption, a continuous cycle operation for the adsorption refrigeration cooling system with active carbon fibre ( acf ) - methanol adsorption refrigeration working pair is carried out
本文針對目前太陽能固體吸附式製冷系統中吸附集熱床在解吸階段集熱效率不高和在吸附階段散熱效果不理想的狀況，以及針對太陽能固體吸附製冷系統循環的間歇性，本文提出了一種新型吸附集熱器:真空集熱管?水冷型吸附集熱器，以活性炭纖維?甲醇為工質對實現連續製冷循環方式，並對其進行了相關的性能實驗和數值模擬計算。In this article, a research on how the change of latitude and direction of a solar powered long endurance aircraft effect the received solar power was developed. and on the basis of the car air conditioning, the thermal properties of the single - effect lithium bromide absorption hot - coldwater unit and two - stage lithium bromide absorption hot - coldwater unit applied in car and driven by high temperature cooling fluid of the car engine are advanced and compared. the technique of energetic optimization is employed to investigate the optimal performance of an irreversible hybrid air - conditioning system consisting of a vapor compression refrigerator cascaded with a solar - driver absorption refrigerator
本文對太陽能飛機的飛行緯度和飛行方向對能夠獲得的太陽能輻射量的影響進行了研究，以及對應用於汽車空調的兩種溴化鋰製冷機組，即單效溴化鋰製冷機組和兩級溴化鋰製冷機組進行了熱力分析和研究，同時，結合太陽能集熱器作為整個製冷系統的熱源，對系統的最優綜合性能進行了分析和研究。The invention is characteristic of the process of manufacturing hot water, in which water in multi - stage recirculating water - heating tank for collector and / or multi - stage confluent water - heating tank, as a whole or separately, can be heated by solar energy collector, or a heat pump, or an electrical heater
其特徵在於，熱水製作過程可以是經太陽能集熱器、或熱泵、或電加熱裝置同時或分別對分級加熱式集熱器循環加熱水箱、分級加熱式匯流熱水箱中的水進行分級加熱的組合，並且，熱水的製作與熱水的使用採用分時制，即經周期性分級加熱所制得的定量的熱水預先製作后儲存在分級加熱式匯流熱水箱及儲能水箱中用作下一個周期的分時熱水供應。On the basis of these results, the optimal operating temperature of the solar collector and the maximum overall coefficient of performance ( cop ) of the cooling modes of the system are derived
又在此基礎上，結合太陽能集熱器作為系統的熱源，對整個系統的最優綜合性能進行分析，得出了最優集熱器的運行溫度以及在該溫度下的系統最優綜合效率性能系數。On the basis of the new model, one of the important parameters, called the optimal operating temperature of the collector of a solar - driven refrigerator, is derived
基於新循環模型，導出太陽能集熱器的最佳工作溫度這一重要參量。由此獲得太陽能製冷系統的最大總性能系數，進而討論一些有意義的問題。分享友人