Application of Absorption Cycles in Renewable Energy

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Energy Systems".

Deadline for manuscript submissions: 27 March 2026 | Viewed by 508

Special Issue Editors


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Guest Editor
School of Energy and Mechanical Engineering, Nanjing Normal University, Nanjing 210023, China
Interests: heat pump; absorption thermal energy storage; liquid desiccant air conditioning

E-Mail Website
Guest Editor
School of Energy and Mechanical Engineering, Nanjing Normal University, Nanjing 210023, China
Interests: the problem of suppressing and defrosting (ice) under the action of a sound field; droplet wetting kinetics and interfacial regulation; droplet impact dynamics and process control; data center refrigeration system optimization and new system development; smart building digital cloud platform and refrigeration system group control; environmental control system development

Special Issue Information

Dear Colleagues,

Cooling and air-conditioning systems are significant energy consumers, especially in regions with hot or mixed climates. Conventional systems, relying on energy-intensive compression technologies, contribute to high energy consumption and environmental degradation due to greenhouse gas emissions from refrigerants. Absorption cycles, particularly when integrated with renewable energy sources such as solar energy, present a sustainable alternative. By utilizing thermal energy instead of electricity, absorption cycles are widely used in applications providing cooling, dehumidification, and thermal energy storage, which are promising solutions to achieve carbon peaking and carbon neutrality goals in the cooling and air-conditioning field.

This Special Issue will focus on the latest advancements in the application of absorption cycles for renewable energy-driven solutions. We invite submissions that explore new materials, technologies, and system designs aimed at improving the efficiency and effectiveness of absorption cycles. Potential topics for this Special Issue include, but are not limited to, the following:

  1. Solar absorption/adsorption cooling;
  2. Novel thermal energy storage technologies and systems;
  3. Liquid desiccant air-conditioning systems;
  4. Advances in the materials and components of absorption cycles;
  5. Working fluids in absorption cycles;
  6. Energy efficiency and system performance optimization for absorption cycles.

Dr. Chong Zhai
Prof. Dr. Dong Li
Guest Editors

Manuscript Submission Information

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Keywords

  • absorption heat pump
  • absorption heat transformer
  • thermal energy storage
  • liquid desiccant air conditioning
  • solar cooling
  • novel working fluids

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Published Papers (1 paper)

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Research

23 pages, 4297 KiB  
Article
A Polygeneration System Based on an Absorption Heat Pump for the Simultaneous Production of Power, Cooling, and Desalinated Water That Operates with Geothermal Energy
by A. Pacheco-Reyes, J. C. Jiménez-García, G. L. Gutiérrez-Urueta, J. Saucedo-Velázquez and W. Rivera
Processes 2025, 13(7), 2016; https://doi.org/10.3390/pr13072016 - 25 Jun 2025
Viewed by 267
Abstract
This study proposes a polygeneration system that integrates an absorption cooling system, a heat transformer, and an organic Rankine cycle for the simultaneous production of power, cooling, and freshwater—the former operating with a water/lithium bromide mixture while the organic Rankine cycle operates with [...] Read more.
This study proposes a polygeneration system that integrates an absorption cooling system, a heat transformer, and an organic Rankine cycle for the simultaneous production of power, cooling, and freshwater—the former operating with a water/lithium bromide mixture while the organic Rankine cycle operates with R123. The system was simulated at temperatures between 100 °C and 150 °C and with heat supply capacities that a geothermal field in Nayarit, Mexico, could provide. A parametric analysis was conducted by developing a mathematical model using the Engineering Equation Solver software. The geothermal source temperatures, ambient temperatures, and mass ratios were varied to determine the power, cooling load, freshwater production, and energy utilization factor under different operating conditions. The results showed that the system could produce up to 13 kW of power, 100 kW of cooling, and 50 L per hour at a heat source temperature of 150 °C. The energy utilization factor varied from 0.32 to 0.43, which means that up to 43% of the energy supplied to the system could be utilized to produce cooling, freshwater, or power. Full article
(This article belongs to the Special Issue Application of Absorption Cycles in Renewable Energy)
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