熱模壓製法 的英文怎麼說
中文拼音 [rèmóyāzhìfǎ]
熱模壓製法
英文
heated die pressing process-
This paper researches diathermancy and fluidity of condenser, evaporator, compressor, and capillary in detail. maths models of condenser, evaporator, compressor, and capillary are established and model predigesting and modifying methods are done methods are given in this paper, which can transfer the practical system into the simulating system. in the basis of refrigerating system character, components models are modified in the system administrative levels
本文詳細研究了蒸發器、冷凝器、壓縮機和毛細管的傳熱特性和流動特性，建立和發展了蒸發器、冷凝器、壓縮機和毛細管數學模型，並進行了相應的模型簡化和修正方法研究，建立了從實際系統到模擬系統的轉換方法；本文針對各製冷系統的特點，在系統層次上進行了部件模型的修正研究，建立了相應的修正模型和演算法。The control system of furnace " s temperature has been widely used in every walk of life, as an important link of repair and manufacture of the electrical equipment such as electromotor transformer etc., soaking lacquer drying craft has some especial requests on drying crafto this article starts with the analysis of drying chamber " s configuration, analyzed its configuration limitation and control function limitation according to the factory " s situation and advances the conception of heated air drying circulation, in addition, this article adopts an intellectualize a / d module, a development sampling tuning - voltage circuit, and presents the method to measure online the insulation resistance of products in order to improve constantly products quality
而浸漆乾燥工藝作為電機、變壓器等電氣設備的修理、製造中的重要環節之一，對乾燥過程的質量要求有一定的特殊性。該文從乾燥爐的結構分析入手，聯繫到工廠的實際情況分析了結構功能缺陷和控制功能缺陷，提出了熱風循環乾燥的概念，同時，選擇了較為先進的a d板卡、熱電阻信號調理板等專業化智能卡，運用數字pid控制技術，構成了一個較有特色的計算機控制系統。此外，該文還從保證乾燥品質量的角度，採用智能化交流模塊和自製采樣調壓電路的方法，提出了在線檢測產修品的絕緣電阻的方法和手段，以確保企業產品質量不斷提高。Liquid - solid extrusion of composite material is a new kind of metal forming process, which has been developed in recent years with a promising practical application prospect for its simple working procedure, low cost and good workpiece performance. through a lot of experiments, the optimization and chosing method of key process parameters ( pouring temperature, mold warm - up temperature, impregnating pressure, impregnating time ) has been mastered. under the precondition of appropriate chosing these parameters, the effective control of extrusion velocity is the key of mading good workpiece. but the control of extrusion velocity remains a handwork, and it is heavily affected by such uncertainties as a handler ' s knowledge and skill about the process. in order to solve the problem, the automatic control of the extrusion velocity is studied, and a computer control system is also designed under existing condition
通過大量實驗，已掌握了關鍵工藝參數（熔液澆注溫度、擠壓模預熱溫度、浸漬時間、浸漬力）的優化選取方法。在合理選取關鍵工藝參數的前提下，擠壓速度的控制是成形出質量良好製件的關鍵。但是，目前對于擠壓速度的控制仍停留在手動控制階段，利用該工藝制備管、棒材製件的成功與否受操作者對該工藝及其設備的經驗及熟練程度等不確定因素影響很大。After a simulated sample is given, we compute on this sample coupling analysis and steady non - linear analysis. by contrast with the experimental outcome of short circuit, we make certain that steady non - linear analysis should be used to analyze a true model. and then, we confirm the external conditions of finite element heat analysis after analyzing the cooling ways of multiple magnetic circuit transformers
2 、論述了有限元分析的電磁場和溫度場的理論基礎;製造出模擬樣機，分別用耦合場分析法和穩態非線性分析法對其進行計算，計算結果與其短路實驗結果進行對比，驗證了穩態非線性分析法計算結果的可信性;分析多磁路變壓器的冷卻方式，確定有限元熱分析的外部條件。At the beginning of this article, we give the analysis about the principle of external condensation. we find out that the most important factor in the condensation is the temperature of the air in the system. and we point out the factors which can make influence in the external condensation, such as the temperature and the humidity of the environment, the temperature and the pressure of the supplying air, the load of the system, the area of passage of speed control valve, and so on. next, we give the mathematics model of the pneumatic system using the knowledge of aerodynamics and heat transfer theory. and using the finite difference method and the numerical analysis we can get the solutions of the model. we use c program to simulate the model
本文首先對氣動系統外部結露的原理進行了分析，指出了氣動系統內部氣體溫度下降是氣動系統外部結露根本原因，提出了影響氣動外部結露的主要因素，包括環境溫度、環境濕度、供氣壓力、供氣溫度、氣缸負載和調速閥開度等。然後應用氣體動力學、氣體熱力學和傳熱學對氣動系統建立數學模型，用逆步進有限差分法和數值分析演算法對所建模型進行求解，利用c語言編製程序對氣動系統模型進行模擬，給出了氣管及氣缸內氣體的各個時刻的狀態參數。The mathematical and physical dynamic models are given based on the adsorbent theory of porous medium. its running and parameters affecting its performance are numerically studied and the method that control the water content in the absorbent bed is recommended. the improvement on system configuration to recover heat is discussed and the operation scheme is given
利用多孔介質吸附模型和平衡吸附壓力的概念建立了該系統工作過程的物理數學模型，數值模擬的方法模擬了其工作過程和影響因素，提出了控制吸附床含濕量的方案，驗證了改進流程回收能量的可行性並給出了操作方案，提出並分析了用熱電製冷器回收水蒸氣潛熱節約電能的方法。Plastics piping systems - injection - moulded thermoplastics fittings for elastic sealing ring type joints for pressure piping - test method for resistance to a short - term internal pressure without end thrust
塑料管道系統.壓力管道的彈性密封圈式連接件用注模製熱塑塑料性配件.耐無部端推力的快速內壓的試驗方法The flow filed and the performance at different ejector structure was studied. 3. the performance of several refrigerants and the thermal storage of the solar ejector refrigeration system were studied
（ 3 ）利用數值模擬方法，比較研究了多種製冷劑和增壓器在噴射式製冷系統中的使用性能，以及蓄熱器在太陽能噴射式製冷系統中的應用和對性能的影響。Insulating materials - industrial, rigid moulded, laminated tubes and rods of rectangular and hexagonal cross - section based on thermosetting resins for electrical purposes - part 2 : methods of test
絕緣材料.電工用工業剛性模製矩形和六角形橫截面的熱固性樹脂基層壓管材和棒材.第2部分:試驗方法The third chapter employed a new method of taking pressure as step to simulate refrigerant flow characteristics in adiabatic capillary tubes, based on adiabatic capillary tube mathematic models. refrigerant critical flux in capillary tubes is predicted by means of back - propagated method. it indicates that this method can save computational time, so it can be used in engineering
在建立絕熱毛細管數學模型基礎上，採用以壓力為步長的新方法對絕熱毛細管進行了模擬計算，採用bp神經網路對製冷劑在毛細管中臨界流量進行了預測，結果表明該方法能夠較大幅度地節省計算時間，因而具有工程應用價值。Methods of testing plastics - dimensional properties - determination of shrinkage of test specimens in the form of bars of compression moulded thermosetting moulding materials
塑料的試驗方法.尺寸特性.熱固性模製材料在壓模製棒材過程中試樣的收縮量測定分享友人