Application of entropy flow theory to the analysis and disposal of engineering structure damage 熵流理论在结构损伤问题分析与处理中应用
In our study we determine the influence of wall roughness on friction for pipe and channel flows by numerically calculating the entropy production in the flow. 通过对流动中熵产的数值计算,研究了管道和平面通道内流动中粗糙壁面对摩擦的影响。
It is shown that the information entropy is sensitive to flow pattern variation as "indicator". 这表明信息熵值对油水两相流流型变化具有敏感的指示器特性。
Its overall condition is that the boundary of system and environment exists entropy flow, systematic internal existence the source that go continuously outside with emit entropy& not reversible course. 其总体情况是:在系统与环境的交界存在熵流,在系统内部存在不断往外冒熵的熵产生源泉&不可逆过程。
Through the study of the realization of negative entropy and the factors which influence entropy flow, the dissertation establishes and analyzes the model of management entropy flow. Also, the dissertation puts forward the opinion on how to establish catastrophe model. 通过对负熵实现过程和影响熵流因素的研究,建立并分析了管理熵流模型,并就如何建立反映耗散结构的尖点突变模型提出了自己的观点。
By analyzing the dynamic features of the earth surface, this paper puts forward the concept of dissipation movement according to the principle of entropy flow. 文章在分析地球表层动态特征的基础上,依据熵原理提出耗散运动的概念,并揭示地球表层耗散运动的形成机制;
In order to form the steady dissipative structure of SIE, the formative condition is analyzed by the Dissipative Structure theory. The entropy flow model including positive entropy flows and negative entropy flows in SIE is also analyzed in detail. 为形成稳定的生态型行业协同圈耗散结构,基于耗散结构理论研究了生态型行业协同圈形成耗散结构的条件,并建立包括正熵流和负熵流的耗散结构熵流模型;
The ecosystem of urban bamboo forest is dissipative structure. the negative entropy flow of ecosystem can enhance by optimizing bamboo species, optimizing ordonnance. 城市竹林生态系统是一种耗散结构,通过优化竹种,优化配置,加强管理,增加生物多样性可提高系统的负熵流;
Research on the Distribution of K-mer Frequency in Genomes, a Theoretical Model of Cancerous and Normal Cell Growth Affected by Entropy Flow 基因组K-mer频数分布研究,熵流影响下癌细胞与正常细胞生长的理论模型
Governance system has to rely on the internal governance and external governance to exchange substance, energy and information with the human economic society system and substantial natural large system, in order to enhance the negative entropy flow of each subsystem. 治理系统必须借助于内部治理和外部治理,与人类经济社会系统和物质自然界大系统,进行物质、能量和信息对流交换,以增加各个子系统的负熵流。
Based on the local equilibrium postulate, two kinds of new thermodynamical functions to describe both the dissipation distribution and the entropy flow distribution have been constructed by means of local forms of the 1st law of thermodynamics as well as the Gibbs formula. 在局域平衡假定的前提下,以热力学第一定律及Gibbs公式的局域形式为基础,构筑了耗散分布函数与熵流分布函数,以此来表征时间自组织的特征性;
With the terminology of entropy theory, replacing material flow with information flow is a way to realize low entropy material flow. 根据熵理论,以信息流替代物料流就是以信息这一负熵源,来抵消或补偿物料流过程中的物理熵与管理熵的增加,从而实现低熵物流。
The entropy equation and the analysis of the entropy production in two-phase flow 两相流动熵方程及熵产分析
From analyzing the Shannon entropy of different flow regimes, we find that the negative Shannon entropy ( negentropy) of bubble flow is the smallest, slug flow's is the largest and the negentropy of annular flow is between that of bubble flow and annular flow. 计算不同流型下的Shannon信息熵,发现泡状流的负Shannon信息熵(负熵)最小,弹状流的负熵最大,而环状流的负熵界于两者之间。
Evolving rules of some important thermodynamic functions such as entropy, entropy production and entropy flow during the formation of the limit cycle oscillation and the conservative oscillation show that these functions can't characterize features of dissipative structures. 耗散分布函数和嫡流分布函数在极限环振荡和守恒振荡形成前后的变化规律,表明它们在表征耗散结构方面比其他热力学函数更具特征性和可比性。
On the basis of the entropy expression of viscous flow, the entropy expression of porous media seepage under porous media continuum hypothesis is studied and put forward, and their unification is verified in pipe model. 本文基于流体粘滞流动过程的熵产表达,研究提出了多孔介质连续介质方法下多孔介质渗流过程的熵产表达形式,并在平直管模型中验证了两者的统一性。
Influence of heat transfer of water phase transformation and atmosphere vertical heat transfer on negative entropy flow in the earth system 水的相变传热和大气垂直传热对地球系统负熵流的贡献
Research on the problem of the entropy balance between information flow and reader flow 对信息流与读者流熵平衡问题的研究
An elementary exploration of the fractal characteristic of the topological entropy "flow" on the devil's carpet is also carried out. Based on these, a classification of all admissible sequences in the complete topological space Σ_3 of three letters is suggested. 本文还对魔毯上拓扑熵流的分形特征进行了初步探讨,并对完备三符号拓扑空间∑3中的所有可允序列提出了一种分类方案。
Research of the rehabilitation and the entropy& flow of the human body system 康复与人体熵流的初步研究
Summed up five typical telephone network attack patterns. With different network sizes, calculated Shannon entropy sequences of flow characteristics of the telephone network, by which tested the effect of identifying multiple attack patterns. 总结了电话网中的五种典型攻击模式,研究了在不同网络规模中对电话网流量特征参数进行香农熵序列计算以识别检测多种攻击模式的效果。
Temperature, pressure, enthalpy, entropy, molar flow and vapors fraction in liquid and gas phase fraction of every node in the whole process were obtained by using the coupling precooling and refrigerant purification system. 采用低温液化分离二氧化碳的净化系统与预冷和混合制冷耦合的冷箱,得出液化系统的全流程节点的温度、压力、摩尔焓、摩尔熵、摩尔流量和气相分数。
The results show that in the dual role of external negative entropy flow and synergy implement mechanisms, regional innovation system will be promoted to a much more orderly structure so that regional synergy innovation capacity can be formed and upgraded. 研究表明,在外部负熵流及协同的实现机制的共同作用下,最终促使着区域创新系统迈向更高层次的有序结构,区域协同创新能力得以形成与提升。
With the data of demonstration city, merger entropy flow evaluation is executed. Fourthly, the comprehensive evaluation on city tourism marketing performance is studied. 第四,研究了城市旅游营销绩效的综合评价。
The Information metabolism of Internet maintained the existence of Internet topology by getting negative entropy flow from the outside. 代谢是生命的最基本特征之一,Internet的信息代谢过程,通过从外界获得负熵流保持了Internet拓扑结构的存在。
From different perspectives, this paper analyses entropy in and out of operational command system and entropy flow system of organizational structure is set up. The in-depth analysis is made of the characteristic of the top structure about the operational command system. 从不同视角分析作战指挥系统内外部存在的熵及其特点,建立组织结构的熵流模型,并深入分析作战指挥系统的拓扑结构特征,在原有结构模型基础上进行改进,并分析其意义及特征。
On the basis of hydrodynamic traffic pressure, the paper selects the appropriate entropy model and the key traffic state parameter. The theory of non-equilibrium thermodynamics is used to establish the model of road traffic system entropy and the negative entropy traffic flow model. 在提出流体力学道路交通压力的概念基础上,选取适当的熵模型和关键的交通状态参数,运用非平衡态热力学的理论方法建立道路交通系统熵模型和负熵流模型。
In the part of the operational mechanism, explain the allies selection mechanism, knowledge transfer mechanisms, performance incentives and entropy flow control mechanism. 在智能交通产业技术创新联盟的运行机制的研究中,主要阐述产业技术创新联盟的盟友选择机制、知识转移机制、绩效激励机制和熵流控制机制进行分析。
From the perspective of systems science, this paper gave the reasons why an enterprise in rough environment can survive and develop. A three-level analytic frame of entropy flow of enterprise system is constituted and a mathematical model of enterprise interior entropy flow is proposed. 建立了企业系统熵流的三层次分析框架,对企业在艰难环境中为什么可以生存和发展的问题作出了新的基于系统科学的解释。
It was proposed that the reversal of entropy flow between two kinds of cells may provide a therapeutic approach to cancer. 熵流伴随着信息流。这就可能提供了-种治疗癌症的方法。