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All Journal Logic : Jurnal Rancang Bangun Dan Teknologi
I Nyoman Agus Adi Saputra
Politeknik Negeri Bali
Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Performance Analysis of Thermoelectric Cooler Box with Water Cooling Block (WCB) and Heat Sink Fan I Wayan Sutina; Adi Winarta; I Nyoman Agus Adi Saputra
Logic : Jurnal Rancang Bangun dan Teknologi Vol. 25 No. 2 (2025): July
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/logic.v25i2.93-99

Abstract

Thermoelectric cooler boxes offer an environmentally friendly, energy-efficient, and portable cooling solution. However, the performance of thermoelectric cooling systems is highly dependent on the effectiveness of heat dissipation on the hot side of the Peltier module (TEC). This study aims to experimentally investigate the impact of using a Water Cooling Block (WCB) compared to a conventional heat sink fan on the cooling performance of a thermoelectric-based cooler box. The experimental setup involved two configurations for the hot side cooling system, where parameters such as hot-side temperature, cabin temperature, and Coefficient of Performance (COP) were measured and analyzed. The experimental results showed that the use of WCB was able to significantly reduce the temperature on the hot side, with a temperature reduction in the cabin reaching 20.35 °C and an average COP of 0.09687. Meanwhile, the TEC-fan temperature in the cabin cooler box was lower at 21.45 °C, with an average COP value of 0.04718. Therefore, the Water Cooling Block demonstrates superior efficiency and thermal management compared to the heat sink fan, offering enhanced performance for thermoelectric cooler box applications in various low-temperature storage needs.
MATHEMATICAL MODELING AND THERMAL ANALYSIS OF A THERMOELECTRIC COOLER BOX USING A WATER-COOLING BLOCK AND HEATSINK–FAN SYSTEM I Nyoman Agus Adi Saputra; Adi Winarta; I Wayan Sutina
Logic : Jurnal Rancang Bangun dan Teknologi Vol. 26 No. 1 (2026): March
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/logic.v26i1.29-38

Abstract

This study presents a mathematical modeling and thermal performance analysis of a Thermoelectric Cooler Box (TEC) equipped with two hot-side heat rejection systems: a Water Cooling Block (WCB) and a Heatsink–Fan (HSF). Thermoelectric cooling offers an environmentally friendly alternative to vapor-compression refrigeration because it operates without refrigerants and requires only low-voltage DC power. The objective of this work is to evaluate the influence of electrical current on temperature distribution, cooling capacity (Qc), and the coefficient of performance (COP) of a TEC1-12706 module under both cooling configurations. The mathematical model is formulated based on the energy balance between the cold and hot sides, incorporating the Peltier effect, thermal conduction, and Joule heating losses. Numerical simulations were performed in Python for currents ranging from 1 to 7 A. The results show that the WCB reduces the hot-side temperature (Tₕ) by 6–8 °C compared with the HSF, indicating superior heat rejection. However, the HSF system achieves a slightly higher COP (about 5–7%) due to the lower cold-side temperature (Tc) obtained in the WCB configuration, which reduces the effective Peltier cooling term. The maximum COP for both systems occurs at 3–4 A, corresponding to a temperature difference (ΔT) of approximately 28 °C. Although the cooling capacity of the WCB is slightly lower (<10%) due to increased back-conduction, it offers better thermal stability and long-term performance consistency. Overall, the developed mathematical model accurately represents the TEC’s thermal behavior and provides a reliable foundation for optimizing water-cooled thermoelectric designs.
Co-Authors Adi Winarta, Adi I Wayan Sutina