In the study of entropy expression of porous media convection - diffusion process , the reason why minimum entropy production principle is uncomformable is analyzed 在多孔介质对流扩散问题的熵产规律的研究中,分析了最小熵产原理在这一问题中的不适应性的原因。
The total entropy production for affinity chromatography and the equations of mass and heat fluxes under the condition of the multi - field synergy were obtained 得到了亲和层析过程的总熵变表达式,多场协同条件下质量通量和热量通量的唯象表达式以及相应的传质和传热系数。
The dynamic adjustment of an alluvial river has a tendency that the entropy production or the rate of energy dissipation of flow is minimum rather than the entropy is maximum when a river is in a relative equilibrium condition 当河流处于相对平衡状态时,水流的熵产生或能耗率为最小值。最小熵产生原理或最小能耗率原理保证了河流在相对平衡状态的稳定性。
And others are found , and the expression of minimum rate of energy dissipation of flow is re - derived based on the theory of minimum entropy production . ( 2 ) it will be pointed out that the entropy is different from the entropy production in a river system ( 2 )指出河流系统中的熵与熵产生是两个不同的概念,冲积河流在调整过程中,力求使水流的熵产生或能耗率趋于最小值,而不是使熵趋于最大值。
The theory of minimum entropy production or minimum rate of energy dissipation shows that a river is stable when it is in a relative equilibrium condition . ( 3 ) the river facies formulas of alluvial river have been developed using the theory of minimum rate of energy dissipation together with flow continuity and motion equations , suspended load transport or bed load transport equation . ( 4 ) the causes of the river patterns are explained using the theory of minimum rate of energy dissipation ( 3 )基于最小能耗率原理,以水流能耗率作为目标函数,以水流连续方程、水流运动方程及悬移质挟沙力公式或推移质输沙率公式作为约束条件,通过对目标函数求条件极值,分别推导出以悬移质造床为主的显式河相关系式和以推移质造床为主的显式河相关系式。
The two basic theories of non - equilibrium thermodynamics , the minimum entropy production and the dissipative structure , are introduced . it will be shown that , by using the relationship between the entropy production and the rate of energy dissipation , the minimum entropy production is equivalent to the minimum rate of energy dissipation 本文首先介绍了非平衡态热力学的两个基本理论?最小熵产生原理和耗散结构理论,并根据熵产生与能耗率关系,得出最小熵产生原理与最小能耗率原理二者等价的推论。
百科解释
Entropy production determines the performance of thermal machines such as power plants, heat engines, refrigerators, heat pumps, and air conditioners. It also plays a key role in the thermodynamics of irreversible processes.