Energy Investigation into Integrating Phase Change Materials and Thermal Insulation for Passive Cooling in Buildings

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Karthikeyan R, Dr. Saji Raveendran Padmavathy, Abishek P, Arun R S, Bhuvanesh P

Abstract

Passive cooling in buildings is a crucial area of research aimed at reducing energy consumption and mitigating the urban heat island effect. Integrating phase change materials (PCMs) with thermal insulation presents a promising avenue for enhancing passive cooling strategies.  This study explores the development and characterization of bio-based PCM derived from coconut oil, a renewable and abundant resource. The PCM is processed using a simple and cost-effective method, making it accessible for widespread applications. The thermal properties of the PCM are investigated through differential scanning calorimetry (DSC), revealing a high latent heat of fusion and a narrow phase transition temperature range. The PCM's thermal stability and compatibility with conventional building materials are evaluated, demonstrating its suitability for building envelopes. The study also assesses the long-term stability and reliability of the PCM, highlighting its potential to enhance energy efficiency and reduce carbon emissions in various applications, including building HVAC systems and thermal energy storage units. The utilization of coconut oil as a PCM presents a sustainable and economically viable  solute for effective thermal energy management.

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