Energy, exergy, and economic exploration analysis of LiBr-H<SUB align="right">2O and NH<SUB align="right">3-H<SUB align="right">2O absorption refrigeration cycles driven by a natural gas engine

This paper presents the energy, exergy, and economic analysis of absorption refrigeration cycles (ARCs) driven by a natural gas engine. The analyses are based on the laws of thermodynamics and economic indicators such as the Simple Payback Period (SPP) and the net present value (NPV). Energy analysis indicates a cooling capacity and a coefficient of performance of the LiBr-H2O ARC that are higher by 359.3 kW and 0.36, respectively, compared to the NH3-H2O ARC. Exergy analysis shows that the NH3-H2O ARC has 5.85% more exergy destruction. Finally, the economic analysis suggests that the LiBr-H2O ACR can achieve a lower SPP.