Guest Editors
Assoc. Prof. Suoying He
Email: s.he@sdu.edu.cn
Affiliation: School of Nuclear Science, Energy and Power Engineering, Shandong University, Jinan, 250061, China
Homepage:
Research Interests: Heat and mass transfer enhancement (Evaporative cooling R&D), Cooling tower performance optimization (Dry/Wet/Hybrid cooling), Low-carbon energy and energy-saving storage technologies (PV cooling and cleaning, efficient utilization of PV/T, air source heat pumps and multi-source energy supply systems)

Prof. Dr. Muzaffar Ali
Email: muzaffar.ali@uettaxila.edu.pk
Affiliation: Department of Energy Engineering, University of Engineering and Technology, Taxila, 47050, Pakistan
Homepage:
Research Interests: Solar Absorption Systems, Solar Desiccant Cooling Systems, M-Cycle Cooling Systems, Energy Modeling and Simulations, evaporative cooling, HVAC systems, Solar Collectors, Nanofluids

Prof. Dr. Bin Zhao
Email: zhaobin@csust.edu.cn
Affiliation: School of Electrical and Information Engineering, Changsha University of Science and Technology (CSUST), Hunan, 410114, China
Homepage:
Research Interests: New Energy Power Generation and Electric Energy Storage (Exploring innovative methods to generate and store energy efficiently), Power Station Equipment Status Monitoring and Fault Diagnosis (Developing advanced techniques to monitor and diagnose issues in power station equipment), Intelligent Distribution Network and Microgrid (Enhancing the functionality and reliability of smart grids and microgrids)

Dr. Ghulam Qadir Chaudhary
Email: qadir.me@must.edu.pk
Affiliation: School of Nuclear Science, Energy and Power Engineering, Shandong University, Jinan, 250061, China
Homepage:
Research Interests: Solar Desiccant Cooling Systems, M-Cycle Cooling Systems, Energy systems modeling and transient Simulations, evaporative cooling, HVAC systems, Solar Collectors

Summary
This Special Issue focuses on cutting-edge advancements in fluid mechanics and thermodynamics related to renewable energy systems and HVAC technologies. Sustainable energy solutions often require optimal designs, energy efficiency and enhanced thermal performance. Therefore, this special issue will explore innovative heat and mass transfer enhancement techniques, including evaporative cooling, hybrid cooling systems, and advanced heat pumps integrated with solar energy technologies. Numerical, experimental, and transient simulation studies related to cooling tower performance (dry, wet, and hybrid), thermal energy storage techniques, system-level design optimization and performance analysis studies are encouraged.
Topics of interest include but are not limited to:
· Multiphase flows in renewable energy systems
· Energy-efficient HVAC systems
· PV cooling and cleaning
· Efficient utilization of PV/T
· Air source heat pumps
· Multi-source energy supply systems
· Evaporative cooling
· Thermal management of power plants
· Modeling of dry/wet/hybrid cooling systems
This special issue aims to bridge fundamental research with industrial applications, fostering innovations in sustainable energy and HVAC systems. Researchers are invited to submit original research, review articles, and their case studies.
Keywords
Multiphase flows, Renewable energy systems, HVAC systems, solar PV & PV/T, Thermal energy storage
Published Papers