Comprehensive Review of Diffusion Absorption Refrigeration: Advances, Challenges, and Future Prospects

Abstract:

Diffusion Absorption Refrigeration (DAR) systems offer a sustainable alternative to vapor compression refrigeration by utilizing thermal energy instead of mechanical work, making them well-suited for renewable energy applications and waste heat recovery. This review presents a comprehensive analysis of DAR systems, incorporating a statistical evaluation of various research aspects. It focuses on energy sources, alternative working fluids, system configurations, and their impact on the coefficient of performance (COP) and operating temperature. The evolution of DAR technology is traced from early theoretical models to recent experimental developments, supported by a bibliometric study that highlights key research trends, contributing countries, and periods of increased academic activity. The review assesses DAR performance in terms of efficiency improvements, integration of renewable energy, and the use of alternative working fluids. Bibliometric data indicate a growing research interest since 1990, with a notable peak in 2019, and significant contributions from China, India, Germany, and the United States. The study concludes by emphasizing the need for further research into advanced working fluids, the integration of thermal energy storage to enhance stability, and the development of computational models for optimized design and performance. Addressing these challenges will help advance DAR technology as a viable, sustainable cooling solution, supporting innovation and contributing to global energy sustainability.

• Periodical: Advanced Engineering Forum (Volume 58)
• Pages: 51-68
• DOI: https://doi.org/10.4028/p-W6SqJF
• Online since: February 2026
• Authors: Elaf A. Malik, Safaa H. Faisal, Raed S. Hameed*
• Keywords: Ammonia-Water-Hydrogen, COP, Diffusion Absorption Refrigeration (DAR), Renewable Energy Integration, Sustainable Cooling Technologies

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