이론적 열유동 및 랜덤 진동 해석을 적용한 EPS 보냉용기의 포장설계


Packaging Design of EPS Cooling Box by Theoretical Heat Flow and Random Vibration Analysis

김수현, 박상훈, 이민아, 정현모

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Although it has recently been regulated for use as an eco-friendly policy in Korea, the use of EPS (Expanded Polystyrene) cooling boxes, which are used as cold chain delivery insulation boxes for fresh agricultural and livestock products, is also increasing rapidly as e-commerce logistics such as delivery have increased rapidly due to COVID-19. Studies were conducted to optimize the EPS cooling container through internal air heat flow of CFD (Computational Fluid Dynamics) analysis and FEM (Finite Element Method) random vibration analysis using domestic PSD (Power Spectral Density) profile of the EPS cooling box to which the refrigerant is applied in this study. In the analysis of the internal air heat flow by the refrigerant in the EPS cooling box, the application of vertical protrusions inside was excellent in volume heat flow and internal air temperature distribution. In addition, as a result of random vibration analysis, the internal vertical protrusion gives the rigid effect of the cooling box, so that displacement and stress generation due to vibration during transport are smaller than that of a general cooling container without protrusion. By utilizing the resonance point (frequency) of the EPS cooling box derived by the Model analysis of ANSYS Software, it can be applied to the insulation and cushion packaging design of the EPS product line, which is widely used as insulation and cushion materials.


재료 및 방법
결과 및 고찰
1. EPS 보냉용기 내부의 CFD 열유동 해석 결과
2. EPS 보냉용기 랜덤(random) 진동 해석
감사의 글


  • 김수현 Su-Hyun Kim. 로지스올 기술연구소
  • 박상훈 Sang-Hoon Park. 로지스올 기술연구소
  • 이민아 Min-A Lee. 로지스올 기술연구소
  • 정현모 Hyun-Mo Jung. 경북과학대학교 물류패키징과


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