A comprehensive review of techniques for increasing the efficiency of evacuated tube solar collectors

S Aggarwal, R Kumar, D Lee, S Kumar, T Singh - Heliyon, 2023 - cell.com
With the growing energy needs, a conscious effort has been made to use non-conventional
energy sources to generate clean energy efficiently. Solar energy has always been popular …

[HTML][HTML] A review on design alteration in microchannel heat sink for augmented thermohydraulic performance

P Bhandari, KS Rawat, YK Prajapati, D Padalia… - Ain Shams Engineering …, 2024 - Elsevier
The present trend of miniaturization in various electronic devices has caused higher heat
generation per unit area. Dissipation of highly concentrated heat from these devices is …

[HTML][HTML] Convective heat transfer enhancement using impingement jets in channels and tubes: a comprehensive review

R Kumar, R Nadda, S Kumar, S Saboor… - Alexandria Engineering …, 2023 - Elsevier
The industries utilize fluid heating and cooling in various applications such as production,
power generation, electronics, and transportation. Many techniques have been …

Optimization of design parameter of V-shaped perforated blocks in rectangular duct of solar air heater by using hybrid BWM-CODAS technique

R Khargotra, T Alam, K Thu, K András… - Solar Energy Materials and …, 2024 - Elsevier
This study investigates the influence of different functional parameters of V-SP blocks on
flow characteristics and heat enhancement in a rectangular duct via experimental analysis …

[HTML][HTML] Prediction of jet impingement solar thermal air collector thermohydraulic performance using soft computing techniques

R Kumar, N Sharma, GH Ngo, AK Yadav, D Lee… - Case Studies in Thermal …, 2024 - Elsevier
Solar thermal air collectors are economically efficient for the purpose of heating air in
specific applications. This research examines the efficiency of a solar thermal air collector …

Energetic and exergetic analysis of jet impingement solar thermal collector featuring discrete multi-arc shaped ribs absorber surface

S Thapa, R Kumar, D Lee - Energy, 2024 - Elsevier
This study analytically examines the thermal, effective, and exergetic efficiency of a jet
impingement solar thermal collector (JISTC) roughened with discrete multi-arc-shaped ribs …

Assessment and enhancement of thermal performance for ring roughened finned jet impingement solar air heater for low-temperature applications

M Almeshaal, M Palaniappan, MM Matheswaran - Energy, 2024 - Elsevier
The current study investigates the synergetic impact of artificial roughness with fins and jet
impingement on the performance of flat plate solar air heater. The impingement jet Solar Air …

Thermal and effective assessment of solar thermal air collector with roughened absorber surface: an analytical examination

R Kumar, M Sethi, V Goel, MK Ramis… - … Journal of Low …, 2024 - academic.oup.com
The current work analyses the thermal (η th) and effective efficiency () of a solar thermal air
collector (STAC) that has an arc-shaped dimple as a roughness geometry on the absorber …

Experimental study of heat transfer and frictional characteristics of impinging jet solar air heater with wire-mesh attached to the absorber plate

C Mund, SK Rathore, RK Sahoo - Thermal Science and Engineering …, 2023 - Elsevier
This study revolves around improving the thermal performance of impinging jet solar air
heater (IJSAH) by using wire mesh of three different sizes. The wire mesh sizes were 0.5× …

Experimental study on flow and heat transfer characteristics of jet array impingement combined with kagome truss structures with/without cross-flow

Q Ruan, L Xu, L Xi, H Chen, J Gao, Y Li - International Journal of Heat and …, 2023 - Elsevier
Jet array impingement providing high heat transfer are widely used in heat exchangers.
However, the target plate is easily damaged impinged by high-speed air flow constantly. To …