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<p>Over the last two decades, extensive research has consistently highlighted the significant potential of nano-based materials in revolutionizing refrigeration systems as efficient alternatives to traditional refrigerants. The integration of nanotechnology into refrigeration systems has demonstrated remarkable efficacy, particularly in enhancing thermal performance metrics for example coefficient of performance as well as reducing power consumption. By leveraging nanomaterials, especially nanorefrigerants derived from HFC-R134a, organic-refrigerants like isobutane R-600a and propane R290 as a base, significant improvements in system efficiency have been achieved across various thermal applications including heat pumps, heat pipes, multi-refrigerant systems, and climate control units. Recent advancements in literature underscore the profound impact of nanoparticle-infused lubricating oils and refrigerants on holistic enhancement approach not only to optimize the thermophysical properties but also tribological attributes, and heat transfer efficiency, to facilitate denser system designs, thereby minimizing energy consumption and compressor workload. The incorporation of nanomaterial, nanolubricants, and their composites (such as HNL/HNR) offers a multifaceted solution to bolster system efficiency and reliability, setting a new paradigm for next-generation refrigeration technologies. The current research article performed a thorough comparative study of nano-applications to various HVAC and R applications along with a new era series of nature-friendly refrigerants.</p>

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Overall impact on thermal and tribological performance of air conditioning system with nanoparticle application: a critical review 

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年9月17日

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  • Ku. A. H. Pundkar,
  • S. S. Chaudhari,
  • A. S. Daryapurkar,
  • Rakesh Himte

摘要

Over the last two decades, extensive research has consistently highlighted the significant potential of nano-based materials in revolutionizing refrigeration systems as efficient alternatives to traditional refrigerants. The integration of nanotechnology into refrigeration systems has demonstrated remarkable efficacy, particularly in enhancing thermal performance metrics for example coefficient of performance as well as reducing power consumption. By leveraging nanomaterials, especially nanorefrigerants derived from HFC-R134a, organic-refrigerants like isobutane R-600a and propane R290 as a base, significant improvements in system efficiency have been achieved across various thermal applications including heat pumps, heat pipes, multi-refrigerant systems, and climate control units. Recent advancements in literature underscore the profound impact of nanoparticle-infused lubricating oils and refrigerants on holistic enhancement approach not only to optimize the thermophysical properties but also tribological attributes, and heat transfer efficiency, to facilitate denser system designs, thereby minimizing energy consumption and compressor workload. The incorporation of nanomaterial, nanolubricants, and their composites (such as HNL/HNR) offers a multifaceted solution to bolster system efficiency and reliability, setting a new paradigm for next-generation refrigeration technologies. The current research article performed a thorough comparative study of nano-applications to various HVAC and R applications along with a new era series of nature-friendly refrigerants.