Nanofluids against traditional fluids: a comprehensive analysis of impingement jets

Efficient temperature control plays a pivotal role across various industrial sectors, encompassing manufacturing and electronics. In certain cooling system scenarios, the application of impingement jet technology has emerged as a dominant contender. Conversely, impingement jet systems have experienced a significant surge in performance owing to the integration of nanofluid technology. This review presents a comprehensive analysis of the utilization of nanofluids in impingement jets, a key area in thermal management and cooling applications. The motivation for comparing nanofluids with traditional fluids in impingement jet applications lies in the need to enhance heat transfer efficiency for various industrial and engineering applications. First, the fundamental principles governing nanofluid behaviour and heat transfer mechanisms in impingement jet configurations are elucidated, followed by an in-depth exploration of the experimental and computational studies conducted to date, highlighting the diverse range of nanoparticles, base fluids and impingement geometries employed. This review is dedicated to showcase the recent strides in this field and highlight the pressing enhancements required. Through this comprehensive review, the current work aims to consolidate the current state of knowledge in this burgeoning field, offering a valuable resource for researchers, engineers and practitioners seeking to harness the full potential of nanofluids and the impingement jet technique for improved thermal management and energy efficiency.