[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 …

[HTML][HTML] Effect of design parameters on passive control of heat transfer enhancement phenomenon in heat exchangers–A brief review

MR Ali, K Al-Khaled, M Hussain, T Labidi… - Case Studies in Thermal …, 2023 - Elsevier
The development of innovative heat exchangers with improved heat transfer performance is
an important concern for heat transfer applications. The use of passive techniques such as …

Influence of artificial roughness parametric variation on thermal performance of solar thermal collector: An experimental study, response surface analysis and ANN …

R Kumar, R Nadda, S Kumar, A Razak… - Sustainable Energy …, 2022 - Elsevier
The influence of the attack angle (α a) of the perforated baffles on thermohydraulic
performance η p of a solar thermal collector (STC) has been investigated experimentally …

Experimental investigation of impact of the energy storage medium on the thermal performance of double pass solar air heater

R Kumar, S Kumar, A Afzal, AM Manokar… - Sustainable Energy …, 2021 - Elsevier
In this research work, a solar air heater with double pass (SAHD) configuration having
different porous mediums on its absorber plate is experimentally investigated. The stone …

[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 …

Heat transfer and friction factor correlations for an impinging air jets solar thermal collector with arc ribs on an absorber plate

R Kumar, R Nadda, S Kumar, K Kumar, A Afzal… - Sustainable Energy …, 2021 - Elsevier
The thermal enhancement characteristics of a solar thermal collector (STC) roughened with
single arc protrusion ribs are investigated. Out of various techniques used for enhancing the …

Recent developments in design of evacuated tube solar collectors integrated with thermal energy storage: A review

M Sethi, RK Tripathi, B Pattnaik, S Kumar… - Materials Today …, 2022 - Elsevier
Evacuated tube solar collectors have been used meticulously to satisfy the thermal
requirements. Various design advances have paved the path for the development of …

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 …

Flow and thermal behavior of solar air heater with grooved roughness

JS Prasad, A Datta, S Mondal - Renewable Energy, 2024 - Elsevier
A simple and eco-friendly solar air heater (SAH) converts renewable solar energy into useful
thermal energy. The implementation of roughness on the absorber plate of a solar air heater …

Investigation on performance enhancement due to rib roughened solar air heater

AS Yadav, A Mishra, K Dwivedi, A Agrawal… - Materials Today …, 2022 - Elsevier
Solar air heaters are widely used in industrial areas due to their economical design.
However, their low thermal efficiency makes them unsuitable for transporting thermal …