It is demonstrated that negative entropy flow exists in shock wave and shock wave is a kind of heat wave which transfers heat with traveling wave velocity.
证明了激波是一种负熵流波,是依靠激波波速输运热流的热波。
So, this paper can discriminate the state of road traffic. The negative entropy flow model can ensure the extent of traffic management and the best management time should be taken when road is crowed.
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。
The effects of the heat flux, wall temperature and flow resistance on the nondimensional entropy generation density have been discussed.
讨论了壁面热流、壁面温度及流动阻力对无因次熵产强度的影响。
Analysing the energy flow in human ecosystem with unlineal principle(entropy law).
非线性原理即熵定律分析人类生态系统中能量流动;
Expressions of drift information flow and diffusion information flow, and concise formulas of information dissipation rate and information entropy production rate are given.
给出了漂移信息流和扩散信息流的表达式、信息减损率和信息熵产生率的简明公式。
Based on the thermodynamics entropy, this paper discusses the way to build up the traffic flow thermodynamics entropy, and establishes the traffic flow entropy model.
在分析热力学熵的基础上,讨论了交通流类热力学熵的构造方法,并构造了适用于不同情况下的交通流熵。
The computations show that the droplets distribution, entropy increase, wetness fraction, and flow angle are changed when the shape of trailing edge varies.
结果显示,出气边形状的改变影响凝结流中水滴状态、熵增、湿度、出口气流角的分布。
It is found that the pressure and velocity disturbances run at sound speed, the entropy and components at flow speed, the temperature and density partly at sound speed, partly at flow speed.
发现压力和速度主要体现声特征,熵和组分主要体现流特征,而密度和温度既体现声特征又体现流特征。
Entropy is a measure of information in signals. Based on the conception of entropy, two new features-Shannon entropy and Threshold entropy are proposed in flow regime identification.
熵是信号序列信息量的表征,作者在对差压信号的分析中提出了两种基于熵概念的特征——香农熵和阈值熵。
In this paper the thermal drag and entropy generation of a heated pipe flow are analysed by means of numerical computation.
本文利用数值计算方法,对圆管加热流动的热阻力和熵产进行了综合分析研究。
The results of numerical analysis show that there exist relevant relations between the thermal drag and entropy generation of the heated flow.
数值分析结果表明,加热流动中的热阻力与熵产二者之间存在着对应相关的关系。
Comparison and analysis between these plans were given, and the temperature-entropy figure, flow diagram, and equipments realizing the scheme of each progress were put forward.
同时针对各个方案给出了过程进行的温—熵图、流程简图以及实现过程的主要设备。
By means of the conception of "hazard entropy", a new approach for quantitative risk analysis of regional debris flow hazards is brought forward.
借助于“灾害熵”的概念,提出了区域泥石流灾害危险性定量分析的一种新方法。
The way to keep the stability and order of the market is to input materials, power and information flow from outside so as to reduce the entropy of the market system.
实现市场稳定或有序的途径是通过外界给市场输入物质、能量和信息流,使市场系统的熵减小。
The irreversibility of heat transfer and fluid flow in regenerative he at exchanger was analyzed, and the number of entropy generation units was introduced.
分析了蓄热式热交换器传热和流动过程的不可逆性,提出了熵产数的概念。
The rising flow is a wave: a slight rise amid a degrading sea of entropy; a sustainable crest always falling upon itself, forever in the state of almost -toppled.
上升流是一个起伏的波浪,在衰退的熵的海洋里轻微的上涨,是永远在即将跌落的状态下,自行奋起的连续不断的波峰。
The rising flow is a wave: a slight rise amid a degrading sea of entropy; a sustainable crest always falling upon itself, forever in the state of almost -toppled.
上升流是一个起伏的波浪,在衰退的熵的海洋里轻微的上涨,是永远在即将跌落的状态下,自行奋起的连续不断的波峰。
应用推荐