集中加熱系統 的英文怎麼說
中文拼音 [jízhōngjiārèxìtǒng]
集中加熱系統
英文
central heating system-
Test results indicated : with the hoist of altitude, the increase of ice amount and the rise of pollutant, the average flashover voltage reduced. the character exponent generally depends on the insulator profile, ice amount, ice state and pollution severity etc. by means of a high - speed camera, a data acquisition system and high voltage test facilities, a series of the flashover processes on ice surfaces were record. the experimental results form this study and the subsequent theoretical analyses suggested : the thermal ionization of the air in front of an arc root resulted in arc movement ; the electrostatic force had an auxiliary effect of impelling arc propagation ; the electrical
通過對攝像機、數據採集系統及高壓試驗裝置記錄覆冰絕緣子表面閃絡電弧的發展過程的試驗結果進行理論分析得出：弧根周圍空氣的熱電離導致了電弧的發展，靜電場力對電弧的發展起到了加速作用，電擊穿僅發生在閃絡最終的跳躍階段；通過測量閃絡過程中的放電電壓、泄漏電流、閃絡時間、覆冰水電導率、電弧長度及電弧半徑等參數，得到了不同階段電弧（電弧起弧階段、電弧發展階段及完全閃絡）的發展速度、臨界電弧長度均隨覆冰水電導率的增加而減小。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。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。Connections for heatingapparatus for water heaters in central heating systems
第2部分:集中供熱系統的電熱水器加熱設備的連接Connections for heatingapparatus for electric water heaters in central heating systems
第1部分:集中供熱系統的電熱水器加熱設備的連接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。Double - shell heat energy storage microcapsule was prepared used the prosperities of microcapsules were investigated. a phase change material as core, which melt point was 24 c and phase transition heat was 225. 5j / g. the microcapsules would been used in indoor wall to regulate the temperature and saving energy sources. the surface morphological structure was examined by means of scanning electron microscopy
其中當乳化速度為2500r min 、乳化時間大於5min 、壁材滴加速度小於0 . 5ml ? min ~ （ - 1 ）且系統調節劑為芯材的30 40時微膠囊的粒徑分佈集中； dsc顯示微膠囊包覆相變材料不影響其相變點，相變儲熱明顯。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 ） 。Least square method is used to eliminate linearity errors of system as result of asymmetric illumination and fitting. averaging method of neighborhood and medium filtering method are used to effectively overcome thermionic noise as result of courses of image transferring, gathering and quantization and so on
對由於光照不均以及安裝等存在的系統線性誤差，採用最小二乘法線性擬合加以消除；對由於圖像採集、傳輸、量化過程中產生的熱電子噪聲，利用了鄰域平均和加權中值濾波方法來有效地減小。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。( 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。With the development of the power industry, the power system, the computer technique and the communication technique, the synthetic automatization of transformer substation has become a pop topic and caused the attentions of all sections in the power industry, and it has also become one of emphases that the power industry pushes the technique progress, it is because that : with the realization of the synthetic automatization of transformer substation, the safety of power network and the run level of economy can be improved, and the investment of foundation construction can be reduced ; with the increase of the complexity of power network, in order to hold the run state of the power network and the transformer substation in time, all levels of control center should take more information ; to improve the controllability of the transformer substation, it is required to adopt more remote concentrated control 、 concentrated operation, and anti - accident measures
隨著我國電力工業和電力系統、計算機技術和通訊技術的發展，變電站綜合自動化成為熱門話題，引起了電力工業各部門的注意和重視，並成為當前我國電力工業推行技術進步的重點之一。之所以如此，是因為:實現變電站的綜合自動化，可以提高電網的安全、經濟運行水平，減少基建投資，電網復雜程度的增加，各級調度中心要求更多的信息，以便於及時掌握電網及變電站的運行情況為了提高變電站的可控性，要求採用更多的遠方集中控制、集中操作和反事故措施。Real - time supervise and conitol the pivotal heat - state of the heat - net local condol the othrs heatstaes, in order to reduce equipmenis invest, benefit to system expand and adjust the heat - stat at the most disadvantagous wreath road at mp time. " we present a cotltro1 plan for the concengation heat - supply systcm, which is " share equally of the heat quanity "
本文中，根據我國的供熱現狀分析，採用了分散式的本地控制加集中控制的「柔性控制」系統，對熱網關鍵點實施實時監控，對其它環路及熱力站實施本地控制，從而減少設備投資，有利於系統擴展，對最不利環路熱力站的變化可隨時調整。分享友人