When deriving or determining the coefficient of performance, the first rule of thermodynamics is important to remember. This rule states that energy can be changed, but it cannot be destroyed nor can it be created. As a result of this rule, the equations used to determine the coefficient of ...
Equations for the coefficient of performance (COP) of thermal power stations are derived by using the second law of thermodynamics. In contrast to the commonly applied `enthalpy method' this method yields quantitatively the impact of individual loss mechanisms on the final COP. It also yields ...
4) cyclic performance 循环性能 1. Thermal stability and cyclic performance of LiCoO_2; LiCoO_2的热稳定性与循环性能 2. The effect of the irreversibility of mass transfer on the cyclic performance is taken into account,and the relationship between the optimal coefficient of performance and the ...
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aCoefficient of performance is the ratio of output energy divided by the input energy. It is normally used to measure how efficiency heating and cooling in heat pump or chiller for a cooling mode. 表现系数是输入能量划分的产品能量比率。 它通常用于测量怎么效率热化和冷却在热泵或致冷物为一个冷却...
Because the coefficient of performance (COP) is primarily concerned with the core refrigeration system, using it for optimisation purposes may lead to higher than necessary energy consumption. This hypothesis was studied with a simple equation relating this coefficient to the coefficient of system perfor...
and the bars show the curtailment of solar energy.cRelationship between carbon emission and the proportion of heat pumps (HPs) used for electric heating. The radius of each bubble represents the coefficient of performance (COP) of an HP, and the shadows are bounded by the lines with COP equa...
refrigeration process driven by the work potential stored in the correlations12. In that context, Eq. (5) can be seen as a generalized Clausius inequality due to the positivity of the relative entropies. The coefficient of performance of such a refrigeration is then at most that of Carnot12...
a令IRadj为调整后性能改进系数,IR0为初始顾客满意度改进系数,k为Kano模型中不同需求类型的参数 After make IRadj is the adjustment the performance improvement coefficient, IR0 is the initial customer degree of satisfaction improvement coefficient, k is in the Kano model the different demand type parameter...
Liu et al. examined the use of solar thermoelectric cooling technologies for zero-energy buildings. They reported that the coefficient of performance in a solar thermal air conditioning system and a solar thermal energy storage air conditioning system could reach 1.90 and 1.22, respectively, both of...