Special Issues

Heat and Mass Transfer in Solar Thermal and Bioenergy-Based Decentralized Energy Systems

Submission Deadline: 31 July 2026 View: 50 Submit to Special Issue

Guest Editors

Prof. Dr. Atul A. Sagade

Email: asagade@centroenergia.cl

Affiliation: Department of Mechanical Engineering, University of Tarapaca, Arica, Chile

Homepage:

Research Interests: solar thermal technologies, decentralized energy solutions, bioenergy technologies,

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Prof. Dr. Abhishek Saxena

Email: abhishek_me@dbuu.ac.in

Affiliation: Mechanical Engineering Department, Dev Bhoomi Uttarakhand University, Dehradun, India.

Homepage:

Research Interests: solar thermal technologies, decentralized energy solutions, solar air heating and desalination technologies

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Dr. Rekha Pachaiappan

Email: rekha.pachaiappan@uchile.cl

Affiliation: Energy Center, FCFM, University of Chile, Santiago, Chile

Homepage:

Research Interests: solar thermal technologies, decentralized energy solutions, solar water purification and desalination technologies

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Summary

Decentralized energy systems based on solar thermal energy and biomass provide efficient solutions for heating, cooking, drying, water treatment, and small-scale power generation. Enhancing the thermal performance of these systems relies on advances in heat and mass transfer, collector and receiver design, thermal storage technologies, and hybrid solar–biomass configurations.

This special issue aims to attract manuscripts on recent progress in the fundamental heat and mass transfer mechanisms, enhancement methods, and system-level innovations for solar thermal and biomass-based decentralized energy systems. Contributions focusing on experimental investigations, numerical modeling, and novel device designs that improve thermal efficiency and system reliability are highly encouraged.

Topics of interest include:
-Design and performance optimization of solar thermal collectors, receivers, and concentrators;
-Heat and mass transfer enhancement in solar thermal heating, cooling, cooking, drying, and water treatment systems;
-Integration of solar thermal collectors into industrial, domestic, and building applications;
-Thermal energy storage technologies for small-scale solar applications;
-Heat and mass transfer studies in biomass conversion;
-Design and thermal performance of hybrid solar–biomass systems;
-Biomass-based devices for heating, cooking, and drying;
-Rooftop agrivoltaics and solar-based power generation for standalone and decentralized applications;
-Experimental and numerical investigations of small-scale decentralized thermal energy systems.


Keywords

solar thermal systems; biomass-based energy systems; decentralized energy systems; heat transfer; mass transfer; thermal energy storage; hybrid solar–biomass systems; small-scale power generation; cooking and drying applications; rooftop agrivoltaics

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