Exploring Passive Heat Transfer Enhancement Techniques: Applications, Benefits, and Challenges

Abstract

Techniques for enhancing passive heat transfer play a crucial role in boosting thermal performance in engineering systems without the need for external energy sources. These approaches, such as altering surface roughness, utilizing extended surfaces, incorporating porous media, and employing phase change materials, provide energy-efficient and economical solutions for a variety of uses, including automotive systems, HVAC, and cooling in electronics. This paper examines important passive techniques, focusing on their fundamental principles, real-world applications, and the challenges that come with them. The study highlights the importan*ce of sustainability and energy efficiency, showcasing how these approaches can meet contemporary thermal management challenges, even while facing issues such as material degradation and pressure drops in systems.