| 总结: | The design and optimization of energy systems are very important today. Some of these systems use the ammonia-water mixture as working fluid, therefore, calculation of the thermodynamic properties becomes indispensable for its evaluation, design and optimization. In the present work an application has been developed in ExcelTM using Visual Basic (VBA) from a formulation based on free Gibbs Energy of Excess, in order to simulate different systems such as cooling, air conditioning, heat pumps, cogeneration and power cycles, without to acquire commercial simulators for this purpose. To validate this program, the results were compared with data obtained by the National Institute of Standards and Technology (NIST) software and experimental data reported in the literature.
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