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All Journal Automotive Experiences
Putri Dwi Imandini
Electronic Engineering Polytechnic Institute of Surabaya, Indonesia
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Electrical & Electronics Engineering Energy Materials Science & Nanotechnology Mechanical Engineering

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Effect of Curvature on the Thermal-Hydraulic Performance of Serpentine Battery Cooling Channels Teguh Hady Ariwibowo; Lucky Pradigta Setiya Raharja; Satworo Adiwidodo; Fengky Adie Perdana; Nila Alia; Burniadi Moballa; Muh. Anis Mustaghfirin; Arya Rafi Abrari; Muhammad Aghist Fitrony; Charitsma Tsani; Probo Yekti Salsabilla Adelwise; Putri Dwi Imandini
Automotive Experiences Vol. 9 No. 2 (2026): Issue in Progress
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ae.15222

Abstract

Efficient battery thermal management systems (BTMS) are essential for ensuring the safety and performance of lithium-ion batteries in electric vehicles. This study numerically investigates the influence of serpentine channel curvature on the thermal and hydraulic characteristics of a liquid-cooled prismatic battery module. Four channel designs were evaluated: a base case and three serpentine configurations with curvature values of 0.075 mm⁻¹, 0.1 mm⁻¹, and 0.15 mm⁻¹. Simulations were conducted under steady-state and transient conditions with discharge rates of 0.5C–2C and mass flow rates of 2.41 × 10⁻³ – 3.61 × 10⁻² kg/s. The results show that higher curvature and mass flow rates reduce maximum battery temperature and improve temperature uniformity, but at the expense of increased pressure drop and pumping power. At 3.61 × 10⁻² kg/s, the base-case channel exhibited a 28% increase in pressure drop compared to 2.41 × 10⁻² kg/s, while the 0.15 mm⁻¹ channel recorded up to a 60% rise under the same condition. Transient analysis revealed that curved channels enhanced heat dissipation, achieving up to 8.56% higher cooling performance than the base case. These findings highlight the trade-off between thermal improvement and hydraulic penalty, providing valuable guidance for optimizing liquid-cooled BTMS in electric vehicle applications.
Co-Authors Arya Rafi Abrari Burniadi Moballa Charitsma Tsani Fengky Adie Perdana Lucky Pradigta Setiya Raharja Muh. Anis Mustaghfirin Muhammad Aghist Fitrony Nila Alia Probo Yekti Salsabilla Adelwise Satworo Adiwidodo Teguh Hady Ariwibowo