steady-state heat transfer 中文意思是什麼
steady-state heat transfer
解釋
穩態傳熱-
The interior size and the calorific capacity of the borehole are much smaller, moreover the temperature change is slow, so usually we can neglect the influence of calorific capacity but to consider according to the heat transfer in steady state process, thus we can establish one - dimensional and the two - dimensional thermal resistance model in the borehole
而在鉆孔內部，包括回填材料，管壁和管內傳熱介質，與鉆孔外的傳熱過程相比較，由於其幾何尺寸和熱容量要小得多，而且溫度變化較為緩慢，因此通常可以忽略其熱容量的影響而按穩態傳熱過程來考慮，建立了鉆孔內的一維和二維的熱阻模型。 -
The explicit finite element method ( fem ) based on the varying time - step was selected to analyse the dynamic roll - pass process ; the nodes on the leading face of the steady - state elements set was extracted and projected onto a plane to give the required mesh, also called the origin mesh ; the implicit fem was selected to analyses the inter - pass transient thermal process ; a geometric part from the mesh was generated and meshed by using the quadrilateral elements, a heat transfer analysis was selected to transfer the node temperature data ; a new model was created by using hexahedral elements, mapping the node temperature and the equivalent plastic strain on the integration points
利用基於變步長中心差分格式的顯式積分方法分析瞬態軋制過程；提取穩態單元集節點形成截面網格；利用隱式積分方法分析軋制道次間隙瞬態溫度場；對型鋼斷面進行平面四邊形網格劃分並映射節點溫度數據；利用六面體單元構建有限元分析模型，映射單元節點的溫度、積分點的等效塑性應變，進行數值分析。 -
Solving 2 - d inverse heat transfer problems with multi - variables in steady - state via conjugate gradient method based on second - order sensitivity
基於二階敏度的共軛梯度法求解多宗量穩態傳熱反問題 -
Then, a three - dimensional, comprehensive, steady - state mathematical model is described to investigate the fluid flow, heat transfer, species transport and electrochemical reaction in the pem fuel cells
然後，發展了一個用於研究質子交換膜燃料電池特性的三維綜合的數學模型，模型同時考慮了流體流動、熱量傳遞、電荷傳遞、多組分傳遞和電化學動力學。 -
The ash fouling online monitoring models are built for furnace, convection heating surface and tri - sectional regenerative air preheater based on the analysis and summarization the researches on the ash fouling monitoring technic and models of boiler. clean factor ( cf ) is chosen to express the effect on heat transfer of ash fouling and is calculated by heat transfer steady - state model
在分析研究總結現有的鍋爐各類受熱面的各種灰污監測技術和模型的基礎上，建立了鍋爐爐膛、對流受熱面和三分倉空預器的灰污在線監測模型，以清潔因子表徵受熱麵灰污對鍋爐受熱面傳熱的影響。 -
Two - dimensional steady - state heat - transfer model of
熱型連鑄過程的二維穩態傳熱模型 -
The quasi steady state analytical method is used to calculate the temperature in the heat structure. in normal condition, the heat transfer modes included the convection and boiling conditions
用集總參數法來計算熱傳導；在正常的工況下，用含兩個傳熱區的兩相對流傳熱模型，計算流體與管壁間的換熱。 -
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。 -
The cryogenic performance of scq and ssm superconducting magnets are investigated both at steady operation state and at unsteady state in detail, including flow and heat transfer characteristics of cooling medium, and electromagnetic, mechanical characteristics of magnets
本文以bepc中關鍵部件scq 、 ssm超導磁體為主要研究對象，研究了超導磁體在低溫下的穩態與非穩態工作特性中的若干問題，包括冷卻介質的流動特性、傳熱機理，磁體的冷卻結構、電磁與機械性能等。 -
A kinetic characteristics algorithm of furnace combustion based on steady state is established, and a dynamic mathematical model of 450t / h cfb boiler made in china is developed in this paper. the model not only integrates the update theories and results of previous studies on the partial aspects, but also considers the main process in cfb boiler including flow, coal distribution, devolatilization of coal, char combustion, heat transfer and so on, and further improve the existing model of combustion kinetic characteristics
本文以國產450t h循環流化床電站鍋爐為研究對象，在前人對循環流化床內部各種單獨過程及模型化研究成果的基礎上，深入考慮了燃煤粒徑分佈、流動、揮發分釋放和燃燒、焦炭燃燒、傳熱等循環流化床內部進行的主要過程，進一步完善了爐內燃燒動態特性的數學模型。 -
Standard test method for steady - state heat transfer properties of pipe insulation
管絕緣材料穩態傳熱特性的標準試驗方法 -
Compared to heat transfer in the external region of borehole, mass and heat capacity of materials inside the borehole are insignificant and negligible. thus, heat transfer inside the borehole is approximated as steady - state heat transfer except for analyses of short times ( a few hours )
與鉆孔周圍區域傳熱過程相比，由於鉆孔內材料的熱容量較小，因此除了討論短時間（數小時）的瞬變傳熱問題以外，可以忽略鉆孔內材料的熱容量，把該部分的傳熱近似作為穩態傳熱處理。 -
The experiment plans and regulations are proposed. the research on date handling method of the experiment is done. the factors causing temperature rising and the distribution of steady - state temperature field of swing movable teeth reducer are analyzed with the heat transfer theory
選用合適的儀器和實驗方案，設計了擺動活齒減速器傳動效率實驗臺，制定了擺動活齒減速器傳動效率實驗的實驗規程，並對實驗數據的處理方法做出了研究。 -
The thermal network model of steady - state temperature field of swing movable teeth reducer is set up. the calculation models for power losses, heat transfer and thermal resistance of swing movable teeth reducer are established. the thermal network figure of swing movable teeth reducer is drawn
運用傳熱學理論對擺動活齒減速器的發熱機理和穩態溫度場分佈進行了研究，建立了擺動活齒減速器的穩態溫度場的熱網路模型、功率損失計算模型、熱傳遞計算模型及熱阻計算模型。 -
Solving inverse heat transfer problems with multi - variables of boundary conditions in steady - state via conjugated gradient method
共軛梯度法求解穩態傳熱組合邊界條件反問題
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