heat and mass balance 中文意思是什麼
heat and mass balance
解釋
熱量-物料平衡-
This paper introduces the measurement methods and results of cdq - boiler system for mass and energy balance diagnosis, analyses the technologic economic index at the different product rate, puts forward the measures of decreasing the ratio of coke burning, improving the heat transfer conditions and realizing the optimized control aftertime
摘要介紹了寶鋼三期干熄爐鍋爐系統質能診斷方案及其測試結果，分析了不同生產率下的主要技術經濟指標，提出了今後進一步降低焦炭燒損率，改善爐內傳熱和實現優化控制的技術措施。 -
In this paper, we aim at establish heat and mass coupled transfer model in the building wall, the emphasis of this study lies in creating a coupled and non - linear diferential equation system for the heat air and moisture transfer in the wall, which can be described by means of continuum mechanics and irreversible thermodynamics, the most dominant factor is moisture conten 9la gas pressure pc and temperature t, for the description of heatair and moisture transport, the general mass balance equation can be expressed by the temporal change of moisture conten 9 l, gas pressure pc and temperature t that means, in order to create a closed solvable equation system, the other additional dependencies have to be found, which the other variable depending on the variables of the solution : moisture conten 6 l gas pressure pc and temperature to the model is verified by the numerical simulation software which has been developed about building wall.,
根據節能設計要求，本文用熱力學的方法，並根據多孔介質中多相流體流動描述方面的最新研究成果? ?體積平均方程，建立了墻體熱、濕和空氣耦合熱質傳遞模型，並推導出熱、濕和空氣耦合傳遞等效擴散方程；找到建築墻體熱、濕及空氣耦合作用下熱質傳遞過程的主要影響因素濕容量_ l 、氣壓p _ c和溫度t 。開發了單體材料墻體熱質傳遞數值模擬軟體，用實測數據對軟體進行調試並對模擬計算結果進行了驗證。模擬出了單材料墻體在熱、濕和空氣耦合作用下建築墻體內的溫度和濕度分佈規律。 -
Abstract : the paper firstly introduces three different approaches for the kinetic modeling of supercritical fluid extraction ( sfe ) ( empirical models, models based on the heat transfer analogy, and models based on differential mass balance ), and then models kinetic process of the sfe of flavonoid compounds from cedrela sinensis leaves in the presence of ultrasonic, at last shows the defects existed in most of the contemporary kinetic models through the example
文摘:首先介紹了三種動力學模擬超臨界流體萃取的模型（經驗模型、基於熱傳遞類推的模型以及基於微分質量平衡的模型） ，然後模擬了在超聲存在的條件下超臨界流體從香椿葉中萃取黃酮類化合物的動力學過程，最後通過該例子展示了現有大多數動力學模型的缺點 -
The paper firstly introduces three different approaches for the kinetic modeling of supercritical fluid extraction ( sfe ) ( empirical models, models based on the heat transfer analogy, and models based on differential mass balance ), and then models kinetic process of the sfe of flavonoid compounds from cedrela sinensis leaves in the presence of ultrasonic, at last shows the defects existed in most of the contemporary kinetic models through the example
摘要首先介紹了三種動力學模擬超臨界流體萃取的模型（經驗模型、基於熱傳遞類推的模型以及基於微分質量平衡的模型） ，然後模擬了在超聲存在的條件下超臨界流體從香椿葉中萃取黃酮類化合物的動力學過程，最後通過該例子展示了現有大多數動力學模型的缺點。 -
In addition, the effect of mass - balance upon heat - transfer is studied, and attrition is also considered in the material balance model
而且為了更好的反映爐膛內傳質對傳熱的影響，在計算中採用了帶有磨耗的灰平衡計算方法。 -
Roadbed construction on permafrost will give substantial disturb for the heat and mass transfer balance between the ground surface and atmosphere, usually, roadbed construction increases the amount of absorbed heat via vegetation removal, solar radiation and increased role of water activities in the adjoining area, then cause the local degradation of the permafrost underneath, as a result may lead to damage of the roadbed
多年凍土區道路的修築，改變了原來天然地表與外界的熱交換關系，通常由於地面植被的破壞、太陽輻射和水的影響，導致進入地層中的熱量增加，引起多年凍土區凍土的融化，從而導致路基面破壞。 -
In order to study the operation characteristics of hpacdhws, distributed parameter simulation models of the fin heat exchanger and the plate heat exchanger are built up. the compressor model is founded in map - based method, and the thermodynamics expansion value model is built up in force balance method. the dynamic system model is the efficient connection of all component models by laws of equalization of mass, momentum and energy
為了研究hpacdhws的運行特性，本文利用分佈參數法分別建立了翅片管換熱器和板式換熱器的動態數學模型，採用圖形法和力平衡法分別建立了壓縮機和熱力膨脹閥的集總參數計算數學模型，並基於質量、動量和能量守恆定律等約束條件，建立了hpacdhws的動態模擬模型。
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