Renewable Energy Resources and Technologies
Performance Enhancement of Parabolic Dish Collector Receiver Using Phase Change Material: A CFD Simulation

Reza Roohi; Masoud Akbari

Volume 11, Issue 1 , January 2024, , Pages 38-45

https://doi.org/10.30501/jree.2023.349281.1393

Abstract
  The design of novel and effective receivers is one of the most challenging aspects of solar energy harvesters, especially for Parabolic Dish Collectors (PDCs). The variation of solar flux due to the solar time and sky clearance index can affect the output thermal energy of the collector. One of the major ...  Read More

Advanced Energy Technologies
Experimental Study of Phase Change Process of the Paraffin as a PCM with Copper Foam and Iron Wool

Mohammad Saleh Barghi Jahromi; Vali Kalantar; Mohammad Sefid; Masoud Iranmanesh; Hadi Samimi Akhijahani

Volume 10, Issue 4 , December 2023, , Pages 59-65

https://doi.org/10.30501/jree.2023.365995.1483

Abstract
  Paraffin waxes are widely used as commercial organic heat storage phase changes (PCM) for many applications due to their suitable properties. Significant heat from fusion, nonpoisonous and stable properties, no phase separation, and the phase process result in a small volume change. Meanwhile, they are ...  Read More

Advanced Energy Technologies
Application of Thermal Energy Accumulators Based on Paraffin Phase Change Materials in Convective-Vacuum Impulsive Drying Units: A Brief-Focused Overview of Characteristics and Thermal Conductivity Enhancement Techniques

Mohammed Ali Sami Mahmood; Rodionov Yuriy Viktorovich; Shchegolkov Alexandr Viktorovich

Volume 10, Issue 4 , December 2023, , Pages 99-106

https://doi.org/10.30501/jree.2023.370842.1501

Abstract
  Researchers worldwide are studying thermal energy storage with phase change materials because of their substantial benefits in the enhancement of energy efficiency of thermal drying systems. A two-stage convective-vacuum impulsive drying plant is a technology for the manufacturing of chemical and food ...  Read More

Advanced Energy Technologies
Effects of PCM Mass on Heat Dynamics and Thermal Performance of Solar Air Heaters: A Numerical and Analytical Study

Ehsan Hasan Zaim; Hadi Farzan

Volume 8, Issue 3 , July 2021, , Pages 45-53

https://doi.org/10.30501/jree.2021.259570.1169

Abstract
  Utilizing thermal storage units such as Phase Change Materials (PCMs) is a suitable approach to improving Solar Air Heaters (SAHs). The present study tries to assess the effects of PCM mass values on the heat dynamics and thermal performance of SAHs. To this aim, an analytical thermodynamic model was ...  Read More