steady heat transfer 中文意思是什麼

steady heat transfer 解釋
穩定傳熱
  • steady : adj 1 穩固的,平穩的,穩定的,不變的(腳步、努力等)。2 堅定的,扎實的,牢靠的(船等)。3 有規則...
  • heat : n 1 熱;熱力;熱度;熱量。2 體溫;發燒。3 (氣候的)高溫,暑氣。4 【冶金】熔煉的爐次;裝爐量;一...
  • transfer : n 1 移轉,轉送;調職;調任[轉學]證書;變換。2 (財產;權利等的)轉讓,讓與(證書),移轉,授受;...
  1. The paper mainly consider the followings : the performance parameter determination of cryopump, heat load determination and heat transfer of large cryopanel, reasonable distribution of heat load, the condition for construct steady flow in small vertical circle pipeline, balance condition for gas and liquid two - phase flow in the connection pipe between cryopanel and dewar, the safety of cryopump

    文中探討了低溫泵性能參數的確定;大抽速低溫抽氣面的熱負載的確定及合理分配;冷凝面上豎直圓管內受熱建立穩定流動的條件;冷凝面與杜瓦間的連接管道內氣液「雙相流動」的平衡條件;低溫泵系統運行的安全問題。
  2. It has issued residential buildings energy design standard for heating zone hot summer and cool winter zone and hot summer and warm winter zone. for heating zone, the method of effective thermal transmittance based steady heat transfer is used for the energy consume calculation, for hot summer and cool winter zone and hot summer and warm winter zone, the method based dynamic heat transfer must be used for the energy consume calculation

    對居住建築,我國已頒布了包括採暖地區、夏熱冬冷地區、夏熱冬暖地區三個節能設計標準,對北方寒冷地區,用建立在穩態傳熱基礎上的有效傳熱系數法進行能耗計算;對夏熱冬冷地區、夏熱冬暖地區,圍護結構受室外動態溫度和太陽輻射熱的綜合作用,明確應採用動態方法計算圍護結構傳熱。
  3. For a soil or rock of water - lacked, a heat transfer theoretical model is developed, which is a steady or unsteady, the results show that reservoir temperature, thermal diffusion coefficient, inlet temperature, flow rate of and run time of ground source heat pumps have an effect directly on heat transfer process of dhe. it can deduce that intermit running is favorable for this type of soils and rocks

    對于貧含水地下巖土層建立了穩態與非穩態傳熱的理論模型,分析結果表明,巖土層的熱儲溫度、導溫系數、埋地換熱器進水溫度、流量以及地源熱泵系統的運行時間或開停機比,都對埋地換熱器的傳熱過程產生直接影響,可以推斷,對于該類型巖土層的地源熱泵系統,採用間歇運行將是有利的。
  4. 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。
  5. 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。
  6. 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
  7. Through the analysis and studying of this subject, we can make conclusion as followed : during the whole heating season, the change law of the energy consumption of the thermal bridge is with the change law of the meteorological condition inside and outside the room : when airs temperatures indoor is steady, thermal bridge energy consumption increases with reducing of air temperature outside the room, reduce oppositely. the different position and the different structure patterns of the thermal bridges, even under the same meteorological condition inside and outside of the room, energy consumption of the building is different, and impact on heating energy consumption is different, this is mainly caused by the difference of the constructs thermal bridge and different influence in term of out wall, which lead to total mean heat - transfer coefficient different, when the heat - transfer coefficient is relatively small of outer wall, the impact of wall body is more obvious on heat - transfer coefficient of the thermal bridge

    然後確立了在節能建築中熱橋耗熱量與室內外氣象參數和熱橋構造型式的關系,分析與研究並得出:在整個採暖季節中,熱橋的能耗隨著室內外氣象條件的變化規律是:在室內空氣溫度一定時,熱橋能耗隨著室外空氣溫度的降低而增大,相反減小;不同部位的熱橋,其構造型式不同,即使在相同的室內外氣象條件下,產生的能耗也是不同的,並且對採暖能耗的影響也不同,這主要是由於不同構造的熱橋對外墻的總平均傳熱系數的影響不同所造成的,並且當外墻主體的傳熱系數較小時,熱橋對墻體的傳熱系數的影響更加明顯。
  8. 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。
  9. Firstly, under the condition of constant viscous dissipation, the field coordination equation was induced for steady laminar convective heat transfer by the conditional variational principle based on the extremum principle of heat transport potential capacity dissipation

    首先在粘性耗散一定的條件下以熱量傳遞勢容耗散取得極值為優化目標,運用變分方法導出了層流對流換熱場協同方程。
  10. Mean temperature difference for countercurrent flow and cocurrent flow in steady continuous heat transfer has been deduced uniformly

    摘要採用統一的方法對定態傳熱逆流和併流的平均溫差進行了推導。
  11. 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。
  12. Comparison between simulation and measurement temperature data shows that simulation results are in good agreement with experimental data and the fluid - solid coupled method can solve the steady heat transfer among piston, liner, coolant and body of diesel engines

    和實驗測量值的對比結果表明:模擬結果與實測數據吻合較好,用流固耦合方法模擬柴油機活塞組缸套冷卻水機體之間的穩態傳熱是可行的。
  13. Steady heat transfer analysis and parameter optimization for multilayer thermal insulations

    金屬熱防護系統多層隔熱材料的傳熱分析及參數優化
  14. Two - dimensional steady - state heat - transfer model of

    熱型連鑄過程的二維穩態傳熱模型
  15. One - dimensional model of heat transfer in steady process of

    熱型連鑄過程的一維穩態傳熱模型
  16. The transient heat transfer between the drum wall and cooling water rising up with steady rate was simulated numerically using fem, and the time history of the stress and strain fields were also acquired with indirect coupling method

    摘要利用有限元法模擬了焦炭塔進水冷焦階段恆速上升的介質與塔壁的動態傳熱過程,並用間接耦合法求得了應力、應變場的變化過程。
  17. 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。
  18. 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。
  19. In this paper, the continuity equation, the momentum equation, the k equation and the e equation are used to set up the theoretic model. the flow in the intake port is looked upon as the three - coordinate steady flow, but the heat transfer between the all and the flow in the intake port is n ' t considered

    本論文利用連續性方程、動量方程、 k方程、方程建立氣道流動理論模型,將氣道內流體看作三維定常流動,不考慮氣道壁面與流體之間的熱傳遞。
  20. Based on a steady heat transfer model with constant specific - heat fluids, a thermodynamic optimizing analysis, driven by two heat transfer forces, is conducted on the important parts of the cycles ? the heat exchangers

    在穩態定比熱換熱器模型的基礎上,對循環中的重要部件? ?諸換熱器進行了兩種傳熱推動力下和兩種溫度條件下的熱力學優化分析。
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