熱能集中系數 的英文怎麼說

中文拼音 [rènéngjízhōngxìshǔ]
熱能集中系數 英文
coefficient of heat flow concentration
  • 能 : 能名詞（姓氏） a surname
  • 集 : gatherassemblecollect
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 熱能 : thermal energy; heat energy; thermal power; heat熱能變換器 thermal energy converter; 熱能感受器 c...
  • 集中 : concentratecentralizefocusamassgroupmassingput togather
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. 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。
  2. Aimed at the automatic welding of the air - separate equipments. a computer control system for double - side automatic tig erect welding has been developed in this paper, which can keep the welding parameters of two welding torches consistent, and adopt a high - power and centralized energy fountain, and can take warm - up casually. the control system can assure a higher welding quality and a better work condition and a higher productivity than before

    為實現空分設備的焊接自動化，本文研究開發一種雙面自動tig立焊計算機控制系統，採用大功率和能量集中的熱源，克服了由於預熱而使手工焊接工人勞動環境的惡化，同時使得兩把焊槍的焊接參數保持一致，從而可得高的焊接質量，改善焊工的勞動條件，大大提高勞動生產率。
  3. Independent air hating system, oven with sealed round hole array with hot air curtain, automatic oven temperature detector and control, dro, application of second time reflex of heat energy and centralize waste discharge result in energy and cost saving

    獨立的熱風加熱系統，密閉式圓孔陣列風幕式熱風乾燥烘箱，烘箱溫度自動檢測控制、數字顯示，熱能二次迴流利用，集中排廢裝置，有效地降低能耗、節約成本。
  4. This show us a very useful signal in studying the systematic property in the early stage of the evolutive colliding system, that ' s, a non - zero flow component of those particles observed by experiment could be interpreted as a signal for partonic flow

    因此在碰撞早期產生的重子數輸運是高能重離子碰撞中的一個重要的物理量，它影響著初態部分子的平衡，粒子的產生，系統的熱力學或化學平衡以及集體膨脹等過程。
  5. In the paper, the transmission power of section constituted by the assigned branch is seen as objective function, assigning the adjustable generators both in sending system and receiving system, assigning the faults set, including the constraint conditions such as the differences between the angles of rotor and the inertia center angel of the whole system, the thermal stability of branch and node voltage, obtaining the results by using interior - point solution and line - predominant jordan

    本文提出的考慮暫態穩定約束的可用輸電能力演算法是以指定線路組成的斷面的傳輸功率為目標函數，指定送端系統和受端系統中參考調節的發電機，指定故障集情況下，以發電機轉子相對全系統慣性中心的角度差、線路熱穩定、節點電壓等構成約束條件，採用內點法和行主元約當逐行消去法求解問題的最優解。
  6. 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。
  7. There will be a great future if we integrate solar energy utilization techniques into heat pump techniques. on the base of integrating the two techniques, the paper analyzed the art trait of heat pump water heater, the manner of integration, the essential theory ; and developed a small capacity direct expansion solar - assisted heat pump water heater, and tested its thermal performance on the condition of different weather such as sunshine, overcast sky & night. the results make clear a small capacity direct expansion solar - assisted heat pump water heater can absorb not only solar energy but heat energy in air ; it takes on favorable thermal performance, on the condition of different weather such as sunshine, overcast sky & night, coph is about between 3. 5 ~ 5. 0, eer is about between 2. 5 ~ 4. 5, these are better than traditional air source heat pump water heater and non - direct expansion solar - assisted heat pump water heater, and it takes between 2 and 3 kwh to heat 270 kg water from 20 c to 50 c, it is very great in terms of saving energy and protecting environment,

    本文在結合太陽能利用與熱泵技術的基礎上，分析研究了太陽能熱泵熱水系統的技術特點；太陽能集熱系統與熱泵系統的結合方式；直接蒸發式太陽能熱泵熱水系統的基本理論；研製出小功率直接蒸發式太陽能熱泵熱水系統樣機，並在晴天、陰天、夜晚等不同的天氣情況下對其進行了試驗，實驗結果表明：本小功率直接蒸發式太陽能熱泵熱水系統不但可以有效地吸收太陽能，還能有效地吸收空氣中的能量，具有良好的熱性能，在不同的天氣情況下，其制熱系數cop _ h大約在3 . 5 5 . 0之間，優于傳統的空氣熱泵和非直接蒸發式太陽能熱泵熱水系統：其效能比eer大約在2 . 5 4 . 5之間，將270kg水從20加熱到50隻需用電2 3度，節能及環保效果明顯。
  8. Based on the economical district heating meteorological model and its index system established by meteorology - heating experiment data in the past, and relied on the routine meteorological operational system, and access2000 data base system, beijing economical district heating meteorological forecast system is developed through using mixing programming technology of fortran and vc computer language that is put into application in the beijing special meteorological observatory and beijing district heating group company during the heating period of 2002 - 2003, offering the basis for real time heat dispatching

    摘要以氣象熱力試驗數據建立的供熱氣象節能模式、指標體系為依據，依託常規氣象業務系統，選取access2000作為數據庫系統，利用fortran和vc計算機語言的混合編程技術，開發了北京城市集中供熱節能氣象預報系統，並於2002 ~ 2003年採暖季在北京市專業氣象臺和北京市熱力集團公司投入應用，為實時供熱調度提供依據。
  9. According to the theory of engineering thermodynamics and phase change, heat - transfer process of the special working fluid heat - pipe stove is analyzed. some hypotheses are postulated and with the help of equation of mass - conservation, energy - conservation, the dynamic concentrative parameter model is built, the change of each parameter is prescribed at any stage from starting to stopping. with the thermodynamic calculation of burnable process, the parameter of device, such as heat - transfer coefficient / thermal efficiency etc, are achieved under steady state ; based on theoretic calculation, observing the actual running circumstance of the heating stove in person, with some performance comparison between the new and the old, the high efficiency and reliability of heat - pipe stove is proved, the project which expend it in the oil - filed is feasible

    對充入該工質的熱管加熱爐，本文根據工程熱力學和相變傳熱學及相關知識，對其進行了傳熱分析，經過適當假設，運用質量守恆和能量守恆定律，建立了裝置動態集中參數模型，描述了加熱爐從開機到穩定運行這一動態過程各參數的變化情況，同時對燃燒過程也進行了熱力計算，最終得到了穩態工況下裝置的換熱系數、熱效率等熱力參數；在理論計算的基礎上，親赴現場觀察該爐的實際運行情況，通過與原有的加熱爐的各項性能進行對比，最終證明新爐的高效性和可靠性，為其在油田中推廣的可行性提供了依據。
  10. The important research is about the theory and methods of the cluster analysis in view of statistical theory, the theory and methods of fuzzy cluster analysis, the fkn " s structure and the fkn ' s study algorithm ( fkn, fuzzy kohonen network ) - the organic fusion of the fuzzy c - means algorithm and self - organized feature map neural network. the paper proposes the ifkn ( improved fkn ) on the basis of the hard classification idea and the soft classification idea, then carries on the cluster analysis of the artificial synthetic control chart time series through matlab program and tt ? cluster result matches the cluster result of the famous dataengine " s software of the intellectual data analysis and data mining from german mit company. finally, the paper discusses the applying of the cluster analysis to the control process, which can be widely applied to the pattern recognition of the parameter " s changing trend during the control process and the image partition processing, and utilizes the ifkn to recognize the thermotechnical parameter " s changing trend based on the engineering of clinker sintering rotary kiln automatic control system of guizhou " s aluminium factory, through which good effect is obtained

    數據挖掘技術在商業領域中已廣泛使用，然而在工業過程式控制制中的應用卻極少，本文正是在這種背景下，對數據挖掘中的聚類分析方法及其在工業過程式控制制中的應用研究作了償試，重點研究了基於統計理論的聚類分析理論和方法，模糊聚類分析理論和方法及模糊kohonen網路（ fkn ）的結構與學習演算法，即模糊c ? ?均值演算法與自組織特徵映射神經網路（ kohonen網路）的有機融合，並根據硬分類思想及軟分類思想提出了改進的模糊kohonen網路（ ifkn ） ，通過matlab編程對人工合成控制時序圖數據集進行聚類分析，其聚類效果與當今廣泛使用的數掘挖掘軟體平臺，德國mit公司著名的dataengine智能數據分析和數掘挖掘軟體的聚類效果相當，最後，論述了聚類分析在控制中的應用，它可以用於過程式控制制中的參數變化趨勢的模式識別及圖象分割處理等具體應用中，並以貴州鋁廠熟料燒結回轉窯自動控制系統為工程背景，利用ifkn識別其熱工參量變化趨勢，取得了較理想的效果。
  11. The main content of the article is involved as follows : ( 1 ) the construction of system ' s frame and design scheme after the process of collecting experts " experiences and knowledge in the industry of plastic dies at home and abroad ; ( 2 ) concept structure of the whole database after the process of data abstraction and integration, which has previously been concept structure designed and the ensuring data model transferred to be supported by dbms, constructing 266 data files and inputting data ( data files referred to appendix 2 ) ; ( 3 ) the connection between web server and plastic die material database system realized by ado, odbc technology, which will guarantee the mutual information transportation between the database system and different terminals ; ( 4 ) interactive user interface of remote optimization selection es of plastic die material is built by asp technology on the server - side ; the construction of web server ; the functions that will enable clients to inquire information of plastic die materials in the database system by using standard db inquiry language ( program files referred to appendix 1 )

    本課題的主要內容是以b s結構為基礎建立基於web數據庫的塑料模具材料遠程選擇優化專家系統，使異地終端能夠通過網路在客戶端進行塑料模具材料瀏覽查詢、塑料模具材料選擇優化等操作，系統可給出符合用戶條件的被選的主要材料的技術資料，如化學成分、熱處理工藝及性能等，以及一些被選材料在行業中實際應用的良好效果等資料，並組成用戶技術文件，以便於用戶進行材料購買、加工和應用；專業人員能夠進行相應的管理。本文重點作了下述工作： （ 1 ）收集國內外塑料模具行業專家經驗與知識，構造本系統的組成框架和設計方案； （ 2 ）對數據進行概念結構設計，經過抽象和集成得到整體數據庫的概念結構，進而將其轉化為dbms所支持的數據模型，建立了266個數據文件並輸入了相關的數據（數據文件名稱列表參見附錄2 ） 。
  12. Pangan hot strip mill is a large plants for hot steel coil, it ’ s mainline automatic system is two levels, the level 1 is basic automatic control system, and level 2 is process control system, level 2 controls the furnace area 、 rough mill area and finish mill area, it ’ s main function is data traffic 、 steel rolling tracing 、 the model calculating for setup and the sampling for the rolling data. the process system will save a mass of data for model data 、 setup data and sampling data

    攀鋼熱軋板廠是一座大型的熱連軋鋼板生產工廠，主軋線自動化系統採用2級控制結構，其中第1級是基礎自動化控制系統，第2級是過程式控制制系統，主要完成從加熱爐區、粗軋區、精軋卷取區的數據通信、軋件跟蹤、加熱和軋制模型參數設定計算以及軋制過程參數的採集等主要功能。
  13. ( 4 ) after the rationality of numerical simulation has been testified, going along a series of numerical simulation and performance research. firstly, the thermal superposition principle, based on adiabatic heat transfer coefficient and superposition kernel function, is put forward for the research of discrete heat sources ’ temperature field and thermal conjunction effects secondly, decreasing thermal spreading resistance is good for improving the heat transfer performance, and several methods are discussed

    第一、在熱疊加原則理論基礎上，利用數值模擬方法研究了固態組件的溫度場和多個分散熱源在熱擴展體上的熱耦合效應，而且證明了強迫對流情況下熱疊加原理形成的溫度場和系統模擬時的溫度場計算結果非常吻合;第二、針對固態組件里集中熱源的特點，對擴展熱阻進行了研究，從理論上探討了減小擴展熱阻改善散熱性能的方法。
  14. With the intensive and scale development of modern greenhouses and the advancement of their intelligent management, present - day greenhouse technology is witnessing a trend of integration of greenhouse production and its management through remote communication. the development of modern sensor technology, communication technology, automation technique and computer technique add fuel to the fire for this trend. the remote communication interface for greenhouse data acquisition system is designed and discussed in this paper as the research focus

    隨著現代溫室朝著集約化、規模化方向的發展和溫室管理智能化要求的提高，溫室測控系統實現遠程通信，進而實現溫室內生產與管理的一體化，是現代智能溫室發展的必然趨勢；現代傳感器技術、通信技術、自動化技術和計算機技術的發展，又為這一發展趨勢推波助瀾，本文就這一研究熱點，集中對溫室數據採集系統遠程通信介面進行了設計探討。
  15. Whole system include available for user intellectual heating form and collector of design realized to design make up already, a machine gets user ' s heat of using within some time through measuring the instantaneous flow and temperature of the hot water in real time ; the measurement can reach the pc of the administrative center of the property far through the collector, finish data processing, expenses close, report form person who type multiple tasks in unison by administrative center

    整個系統包括已經設計實現的供用戶使用的智能暖氣表和設計中的通訊模塊以及採集器組成，戶機通過按時測量熱水的流量及溫度，得到用戶在一段時間內的用熱量；測量數據通過採集器可以遠傳至物業管理中心的pc機，由管理中心統一完成數據處理、費用結算、報表列印等多項任務。
  16. It establishes the foundation for integrating system in high level and then realizes the overall digital virtual equipment in the future through studying 3d digital modeling and virtual assembly technology of the heat exchanger as well as developing the assembly module of it to offer the means and environment for virtual assembly, which can completely describe product information, offer overall assembly model for succeeding activity work, simulate the assembly process, check the interference of assembly, and evaluate and the construction of product in the design phase. the work completed in this dissertation focuses on the research technology of 3d digital modeling and assembly simulation of heat exchanger

    其中對換熱設備進行三維cad數字化建模和虛擬裝配研究，開發出新型高效節能換熱設備裝配模塊以提供進行虛擬裝配的環境和手段，完整全面的描述產品信息，為后續工作提供整機裝配模型，對產品裝配過程進行模擬，檢測裝配過程中的干涉，評估產品的裝配性能，從而在設計階段確保產品的可裝配性，為系統在高層次上集成進而實現全數字化虛擬設備的開發奠定基礎。
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