[HTML][HTML] Analytical investigation of solar parabolic trough receiver with multiple twisted tapes using exergy and energy analysis

S Thapa, R Kumar, K Kumar, S Samir, D Lee… - Case Studies in Thermal …, 2023 - Elsevier
Exergy analysis is an important thermodynamic approach to studying the system's actual
output, considering all losses. The present study is an analytical approach to calculating the …

Investigation of thermal performance and entropy generation rate of evacuated tube collector solar air heater with inserted baffles and metal foam: a CFD approach

M Abrofarakh, H Moghadam - Renewable Energy, 2024 - Elsevier
This study investigates the impact of metal foam embedding into evacuated tube collector
solar air heaters with inserted baffle (IBMF-ETC-SAH) on the device thermal performance …

[HTML][HTML] Employment of roughened absorber palate and jet nozzles with different hole shapes for performance boost of solar-air-heaters

SA Alsibiani - Cleaner Engineering and Technology, 2023 - Elsevier
In this study, roughened absorber plate and jet nozzle are simultaneously employed to
enhance the efficiency of a solar based air heater. The impact of jet nozzle hole shape is …

Improving the performance of unglazed solar air heating walls using mesh packing and nano-enhanced absorber coating: an energy–exergy and enviro-economic …

C Şirin, AD Tuncer, A Khanlari - Sustainability, 2023 - mdpi.com
This study aims to upgrade the effectiveness of unglazed solar air heating walls (SWs) using
mesh packing and nano-enhanced black paint. In this regard, two SW cases with 10 cm and …

CFD analysis of the heat transfer and fluid flow characteristics using the rectangular rib attached to the fin surface in a solar air heater

HU Choi, KA Moon, SB Kim, KH Choi - Sustainability, 2023 - mdpi.com
This study discussed the effect of ribbed fin, which was suggested by the authors, on the
enhancement of heat transfer and flow characteristics of fluid in a solar air heater. The …

[HTML][HTML] Application of pulsating jet concept for efficiency improvement of solar-based air heaters

SA Alsibiani - Cleaner Engineering and Technology, 2024 - Elsevier
This study employs transient numerical analysis to investigate the hydraulic and thermal
performance of a jet solar air heater (JSAH) operating under turbulent pulsating flow …

Numerical analysis of the effectiveness of a unique roughened surface solar air heater

OR Kummitha, DR Prabhakara Reddy… - Energy Sources, Part …, 2023 - Taylor & Francis
The main goal of this study is to enhance the functionality of the solar air heater by adding
unique roughened surfaces to the absorber section that disrupt the sluggish sub-layer. The …

Impact of corrugated duct and heat storage element on the performance of a low-cost solar air heater under forced air circulation: an experimental study

BW Winsly, JS Santhappan… - Environmental Science and …, 2024 - Springer
The need to address global warming issues and international policies has placed a greater
emphasis on the development of solar energy utilization systems. Intensive study is …

Electrical and Thermal Performances of a Single‐Pass Double‐Flow Photovoltaic‐Thermal Collector Coupled with Nonuniform Cross‐Section Rib

HU Choi, KH Choi - International Journal of Energy Research, 2023 - Wiley Online Library
The air‐based photovoltaic‐thermal collector (PVTC) is a system that can generate
electricity and heated air simultaneously from solar energy. This study investigates the …

Heat Transfer Augmentation and Friction Factor Due to the Arrangement of Rectangular Turbulators in a Finned Air Channel of a Solar Air Heater

BH An, KH Choi, HU Choi - Energies, 2023 - mdpi.com
In this study, the heat transfer augmentation and friction factor of a novel type of solar air
heater (SAH), which incorporates longitudinal fins and rectangular turbulators, were …