Thermoeconomic Analysis and Optimization of a Novel Geothermal Energy-Based Multigeneration System for Liquid Hydrogen, Hot Water, Cooling and Power Production

This study examines a sustainable energy framework designed for hydrogen production. It includes various components like a geothermal energy module, a Claude cycle system for hydrogen liquefaction, and a modified organic Rankine cycle. A detailed investigation into its operational features is conducted across various aspects, with its energy conversion efficiency measured using key performance indicators. The assessment of operational effectiveness was based on factors such as energy yield, exergy utilization, and economic considerations. A sensitivity analysis assesses how changes in operation affect performance. A dual-objective genetic algorithm with the TOPSIS method enhances the hydrogen production infrastructure. The system achieves an energy conversion efficiency of ۴۵% and exergy efficiency of ۵۳%, producing ۴.۸۸ kg of hydrogen per hour and ۱,۴۲۵ kW of power, with operational costs of ۳۷.۱۶ per hour. The Levelized Cost of Energy is ۱۹.۸ cents per kWh, while the Levelized Cost of Hydrogen is ۲۴.۳۹ /kg. The energy needed for hydrogen liquefaction is reduced through a two-stage thermal management strategy.

کلیدواژه ها:

Geothermal energy ، Claude hydrogen liquefaction cycle ، Multigeneration system ، Optimization ، Modified organic rankine cycle