Design and Study on Efficiency of Air Conditioning Unit using Thermoelectric for Use in Open Air Electric Vehicles
DOI:
https://doi.org/10.14456/jeit.2024.21Keywords:
Air Conditioning, Thermoelectric, Coefficient of performance, Peltier, Open air electric vehiclesAbstract
This research focuses on the design and performance evaluation of an air conditioning system using Peltier modules in open air electric vehicles to enhance passenger comfort. The experiments were conducted under three seasonal conditions summer, rainy season, and winter. The data collected includes temperature, wind speed, relative humidity, and the system's energy consumption. The comfort analysis revealed that in summer, the system can reduce the air temperature from the fan by 5°C below the ambient air temperature, while in the rainy season and winter, the temperature reductions were 3°C to 4°C. Passengers seated approximately 0.5 meters from the fan felt comfortable in both summer and rainy conditions, though they reported feeling slightly cold during winter. The Coefficient of Performance (COP) of this air conditioning system ranged from 0.0196 to 0.0303, which is comparable to studies on two-stage thermoelectric cooling systems with optimized geometry and current control, yielding COP values between 0.02 and 0.04. Research aimed at enhancing the performance of solar panels using thermoelectric cooling reported a COP of approximately 0.025 to 0.035. Thermoelectric systems typically exhibit lower COP values compared to traditional compressor and absorption cooling systems, with refrigerants like R134a achieving COPs between 3.0 and 3.5. However, this thermoelectric air conditioning system offers several advantages.
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