thermodynamic coefficient 中文意思是什麼

thermodynamic coefficient 解釋
熱力系數
  • thermodynamic : adj. 熱力的。a thermodynamic cycle 熱力循環。n. -s 熱力學。
  • coefficient : adj. 共同作用的。n. 1. 共同作用;協同因素。2. 【數,物】系數,率;程度。
  1. A method to calculate quantitatively the adsorption volume or adsorption space of per mass of adsorbent derived from both the adsorbed molecule volume and the maximum adsorbance of a solute in an adsorption isotherm under a given experimential condition is presented firstly for a solid / liquid adsorption system of the solute in a dilute aqueous solution. this method is suitable for not only mono - layer adsorption, but also mani - layer adsorption and micelle adsorpion of surfactant constructed by hydrophile and lipophile groups. therefore, the surface concentration of the adsorbate, cs, deduced from the adsorption volume is possessed of the meaning of true concentration, and the value of the patition coefficient of the adsorbate between solid and liquid phass, p, attained by the cs and the c, solution concentration of the adsorbate, can be accurate. the foregoing a set of calculations are presented for the solid - liquid adsorption systems consisted of the wool fiber and separately dodecyltrimethyl - ammonium bromide ( dtab ) and hexadecyltrimethyl - ammonium bromide ( ctab ) in this paper. this provides a strong basis for adsorption thermodynamic investigation of adsorbate

    對稀溶液中溶質的固/液吸附體系,首次提出了根據吸附分子體積和實驗條件下吸附等溫線中的最大吸附量計算單位質量吸附劑的吸附體積或吸附空間的方法.此法適用於單層吸附,也適用於多層吸附和具有親水親油結構的表面活性劑分子的膠團吸附.由此,吸附質的表面相濃度cs具有真實濃度的含義,相應地,計算得到的溶質的固/液分配系數p就有了準確值.分別計算由溴代十二烷基三甲銨( dtab )和溴代十六烷基三甲銨( ctab )與羊毛纖維構成的液/固體系分配系數等,為溶質吸附的熱力學研究奠定了基礎
  2. Conservation law of mass, the state equation for ideal gas 、 thermodynamic equation and flow rate equation are used to establish first order differential mathematic model, and a special investigation on mass flow rate coefficient for different components are carried out to make the model more accuarate

    從模擬和實驗兩個方面進行研究,著重於把ameset和客戶化定製兩種方法結合起來使用,利用質量守恆定律、理想氣體狀態方程、熱力學方程、流量方程等建立一階微分數學模型,並配以amesim平臺對所建立的模型進行進一步的系統模擬驗證。
  3. In this paper, the study status about freeze - up of domestic and overseas was discussed first, then based on thermodynamic theories and river ice hydraulic theories, using the observed data to calculate parameters, the freeze - up forecasting mathematical model in inner mongolia reach was established. in the model, the calculating method of heat exchanging coefficient was perfected properly, and the river characteristics was quantified for the first time. the forecasting result indicated that the model precision is high, and the freeze - up forecasting formula is all - purposed

    本文首先論述了國內外有關封河研究的現狀,然後在此基礎上針對存在問題,以熱力學理論及冰水力學理論為基礎,利用實測資料率定參數,建立了內蒙古河段封河預報數學模型,其中對熱交換系數的計算進行適當的修改,並將河道條件量化考慮進封河預報數學模型中,證明預報精確度高,且各河段預報公式具有通用性。
  4. For better veracity of simulating model, model is used lookup - table module to calculate the thermodynamic character of refrigerant, and datas of experience and test is combined in the compressor module, also the coefficient of heat transfer changing by running parameter is decided by computational procedure. in addition, choosing congruence step size solves the divergence of simulation procedure

    為了使模擬模型具有相當的準確性,模型中採用查表模塊進行製冷劑熱力性質計算,壓縮機模塊中將實驗數據與經驗計算數據相結合,通過程序運算確定冷凝器和蒸發器傳熱系數與運行參數之間的關系,並成功解決了模擬程序運行發散的問題。
  5. It is very difficult to analyze flame radiation in the cylinder of a diesel engine by theoretical method since flame radiation is a function of many parameters, such as the combustion process, the geometrical description of the chamber, the soot formation and oxidation processes, the soot radiant temperature and soot absorption coefficient. the radiant property of the flame in a cylinder is dependent on the combustion process. but the thermodynamic state of real engine cycles can be analyzed from the pressure - volume diagrams in the cylinder. thus a new thermodynamic computational model is set up for the flame radiation in the cylinder of a diesel engine based on the indirect relationship between the flame radiation and the pressure - volume diagram of the combustion process in this paper. the flame radiant heat flux in the cylinder of a di diesel engine is calculated with the variation of crank angle by this model. compared with measured values, the result of the computational values shows the model is available to represent the effects of flame radiation

    柴油機缸內的火焰輻射受諸多因素的影響,用理論分析法來確定它是相當困難的,由於柴油機缸內火焰輻射特性依賴于缸內的燃燒過程,而燃燒過程中的實際熱力狀態又可用示功圖來分析,因此藉助於火焰輻射與缸內熱力參數之間的這種間接關系,建立了一種計算柴油機缸內火焰輻射傳熱的新模型,利用該模型對一臺直噴柴油機缸內火焰輻射熱流量隨曲軸轉角的變化情況進行了計算,將計算結果與實測結果進行了比較,表明該模型能較好預測缸內火焰輻射傳熱量。
  6. Abstract : according to characters of different research ways, the research development of thermodynamic models of metallic melts is systematically introduced, such as solution model method, geometrical model method, interaction coefficient method, analytical method and experienced model method

    文摘:根據不同研究方法的特點,綜述了溶液模型法、幾何模型法、相互作用系數法、解析計演算法以及經驗模型法等金屬熔體熱力學模型的研究進展,並對這些方法進行了簡要的評述。
  7. A rig was designed on the basis of thermodynamic analysis. some factors, including mixture composition, cycle compression ratio and suction ratio of circumfluence fluid of the rectifying column, are analyzed of their impacts on coefficient of performance

    在對新循環進行了熱力學分析的基礎上,設計了自動復疊製冷循環實驗臺,分析了循環工質配比、循環壓比及精餾柱迴流液的抽取率對循環系統cop的影響。
  8. The effects of a wide variety of parameters such as the velocity, the temperature, the inlet moisture content of the primary and the secondary airflow, the channel width on basic thermodynamic criterion, such as thermal efficiency, exergy efficiency, exergy efficiency ratio, thermodynamics consummation, exergy destruction rate, exergy destruction coefficient, are simulated numerically

    在此基礎上,通過一些基本的熱力學指標,如換熱效率、火用效率、熱力學完善度、火用損率、火用損系數等,對間接蒸發冷卻過程能量以及有用能的利用、損失情況進行了分析和研究。
  9. 1. the author designs special equipment with double - deck, based on the ultimate analysis, caloric, thermodynamic characteristic parameter of layer boiler, working fluid parameters in and out of boiler, exhaust temperature, thermal loss, excess air coefficient, etc. according to processing technology, make special combustion equipment. and it is installed and debugged as required

    根據生物質成型燃料的燃燒特性、層燃鍋爐熱性能及熱力特性參數為設計依據,設計出雙層爐排生物質成型燃料專用燃燒設備;根據燃燒設備的加工工藝製造出生物質成型燃料專用燃燒設備;按照燃燒設備安裝方法及調試方法對該燃燒設備進行了安裝與調試。
  10. 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。
  11. This paper offers some performance data calculate with computer program and figures which variation of performances of refrigeration in different refrigerants and circle with evaporating temperature. it shows that it is feasible to calculate thermodynamic properties of refrigerants with equation of state pr in ideal circle and new refrigerants sfuch as r134a, r152a have not more coefficient of performance ( cop ) than r22 in single - press circle but still have preferable practical value in freezing refrigeration ; the results also demonstrate the importance and need for applying mixed - refrigerant in freezing

    本文給出了幾種製冷工質在單級和雙級壓縮製冷循環下的一些性能數據及各性能隨蒸發溫度變化比較圖。結果表明,利用pr方程得出的製冷工質物性,可用於計算製冷循環性能;在單級製冷循環中, r12和r22仍具有較高的製冷系數,但新工質如r134a 、 r152a在較低溫度製冷中具有很高的研究價值;計算也表明,在較低溫度製冷中,混合工質的研究是極有價值的。
  12. Based on the comparative analysis of two available heat system plan, the paper selects the water - water heat pump system plan. after a series of character analysis, design calculation ; the style of compressor including media choosing and its circle dynamic calculation for the thermodynamic system is determined. besides this, based on some basic measure of thermodynamic analysis, the heat pump coefficient of performance is discussed ; the exergy analysis for the water - water heat plan is conducted ; the calculation formula of heat pump exergy efficiency is derived ; an optimal model for heat pump together with thermal machine is established and the main exchanger equipment in heat pump system including its resistance calculation is designed in details

    本文通過對兩種系統方案進行比較分析,確定了水環熱泵系統的基本方案,經過定性分析和設計計算,進行了壓縮機的選型、工質的選擇、熱力系統的循環計算等基本設計,同時應用熱力學分析的一些基本方法,討論了如何評價熱泵系統的性能系數,並對電廠循環水余熱回收熱泵系統進行了(火用)分析,得到了熱泵過程(火用)效率的計算公式,建立了熱泵?熱機聯合機組優化模型,還對熱泵系統的主要換熱設備進行了詳細的結構設計和阻力計算,最後對熱泵系統進行了技術經濟分析和評價。
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