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Numerical Study of Cooling Air Flow Distribution in Car Cabin

*Agus Jamaldi  -  Sekolah Tinggi Teknologi Warga Surakarta, Indonesia
H. Haikal  -  Sekolah Tinggi Teknologi Warga Surakarta, Indonesia
Ig. Henry A. N  -  Sekolah Tinggi Teknologi Warga Surakarta, Indonesia
B. Burhanudin  -  Sekolah Tinggi Teknologi Warga Surakarta, Indonesia
Open Access Copyright (c) 2021 ROTASI

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Abstract
This numerical study aims to investigate the performance of car air-conditioning (AC) cooling of cabin car. The research was done in the two-step. The first step is to collect data by experiment study. Numerical study of performance car air-conditioning is the second step. Detached Eddy Simulation k-epsilon (DES k-ε) turbulence model was utilized in the study. A cabin car design was used as a specimen study. Two key parameters, i.e. temperature distribution, and air cooling speed, were used to assess the AC cooling performance compared with experimental data. Two types of mesh (mesh A and B) with different smooth was utilized. The results showed that mesh B gave good agreement with experimental data with a discrepancy of 0.14%, and 0.27% with mesh A. Air cooling distribution at three measured positions are 0.47; 0.08; and 0.04 m/s, respectively.
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Keywords: AC, DES, mesh, temperature

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