为您解答如下：Fig. 10 shows the variation of the system thermal efficiency with the turbine inlet temperature. To generate this figure the evaporator pressure and condenser temperature were kept constant at 2 MPa and 298 K, respectively. Similar to the previous case, the isentropic efficiencies of the turbine and pump were maintained at 80% and 85%, respectively, and the temperature differential was kept constant at 15 K for all cases. This figure shows the effect of superheating the working fluid on the thermal efficiency of the cycle. The temperature range for each fluid used to analyze the different configurations is from the saturation temperature to the critical temperature. Fig. 10 illustrates that the efficiency of the cycle slightly decreases for some fluids or remains approximately constant for others with the increment of the turbine inlet temperature for all the configurations. This reflects the fact that organic fluids do not need to be superheated to increase the cycle thermal efficiency as opposed to water where increasing the inlet turbine temperature increases the thermal efficiency [10]. The trend observed with the boiling point described in Fig. 3 is also consistent with the results presented in this figure. Fig. 10 demonstrates that regenerative ORC has the best thermal efficiency for the analyzed organic fluids. Among the three organic fluids included in this figure, R113 shows the maximum efficiencies for temperatures above 450 K. R123 shows the best efficiencies for temperatures between 420 K and 450 K, while isobutane is the best fluid for temperatures between 375 K and 410 K. It is important to point out here, how organic fluids can be used to produce power from low-temperature waste heat; however, organic fluids are restricted to a small range of applicability depending on their thermodynamic conditions. 图10显示了系统的热效率与涡轮进口温度的变化。产生这一数字蒸发器压力、冷凝器温度在2 MPa和298 K保持不变，分别为。类似以前的情况下，涡轮和泵的等熵效率保持在80%和85%，分别，和温度差为15 K时均保持不变。此图显示了过热的工作流体循环的热效率的影响。每个流体用于分析不同配置的温度范围是从饱和温度的临界温度。图10示出的周期稍微降低一些流体效率或大致保持不变的随着涡轮进口温度的增加其他的所有配置。这反映了一个事实，有机液体不需要过热提高循环热效率相对于水的地方增加进机温度提高热效率[ 10 ]。与观察到的趋势在沸点图3描述的是与图中的结果一致。图10表明，再生ORC的有机流体的最佳热效率分析。三有机液体包含在该图中显示，R113 450 K以上的温度最大效率R123显示为420 K和450 K之间的温度下的最佳效率，而丁烷是375 K和410 K。需要指出的是这里重要的之间的温度下最佳的流体，如何有机液体可以用来从低温余热发电；然而，有机流体被限制在一个小范围的适用性取决于它们的热力学条件。记得采纳哦~~~您的采纳是对我的肯定~
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