Journal of the Korea Convergence Society (한국융합학회논문지)

Korea Convergence Society (한국융합학회)
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Convergence Study on the Thermal Stress According to the Structure of Automotive Heating Seat

자동차 난방 시트의 구조에 따른 열응력 해석에 대한 융합 연구

  • Choi, Gye-Gwang (Department of Metal Mold Design Engineering, Kongju national University) ;
  • Cho, Jae-Ung (Division of Mechanical & Automotive Engineering, Kongju National University)
  • 최계광 (공주대학교 금형설계공학과) ;
  • 조재웅 (공주대학교 기계자동차공학부)
  • Received : 2019.04.30
  • Accepted : 2019.07.20
  • Published : 2019.07.28
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Abstract

Because the warm and cozy demand of automotive driving seat increases, the research development of heating seat has been actively made. In this study, the thermal stress analysis and the structural analysis were carried out with three kinds of heating seats of A, B and C. By executing the thermal analysis with the same material, model A was shown to have the heat transfer better than model B or model C at the study result. So, it could be seen that the heat transfers became different each other though models had the same material according to the configuration of product. Adding the hot wire in order to expect the safer heating can be better heating, but there is the limit on the aspect considering the capability in contrast to the price of product. Generally, model B is thought to be safest thermally than model A or model C in every respect. As the design data of the automotive heating seat product with the durability and safety acquired by this study result are used, the artistic environment can be promoted by being grafted onto the automotive driving seat.

자동차 운전석의 따뜻하고 쾌적한 요구가 증가하고 있기 때문에 난방 시트의 연구 개발이 활발히 이루어지고 있다. 본 연구에서는 세 가지의 난방 시트 모델 A, B, C를 가지고 열응력해석과 구조해석을 시행하였다. 똑같은 재질로 열해석을 함으로서, 연구 결과에서는 모델 A가 모델 B나 모델 C보다 더 좋은 열전달을 가짐을 보여주었다. 이로써 모델들이 제품의 형상에 따라 같은 재질을 가졌다고 하더라도 열전달들이 서로 다른 것을 알 수 있었다. 더 안정적인 난방을 기대하기 위해 열선을 추가하는 것은 더 좋은 난방이 될 수 있지만 제품의 가격대비 성능을 고려한 측면에서 한계가 있다. 전반적으로 모든 면에서 모델 B가 모델 A나 모델 C보다 열적으로 가장 안전하다고 사료된다. 본 연구결과에 의하여 취득한 내구성과 안정성 있는 자동차 난방 시트 제품의 설계데이터를 사용하여 자동차 운전석에 융합하여 그 예술적인 분위기를 조성할 수 있다.

Keywords

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Fig. 1. Configurations with meshes of each model

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Fig. 2. Constraint conditions of models

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Fig. 3. Temperature of models A ,B and C

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Fig. 4. Constraint conditions of models A, B and C

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Fig. 5. Equivalent Stresses of models A, B and C

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Fig. 6. Total deformations of models A, B and C

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Fig. 7. Temperature of models A, B and C after elapsed time of 600 sec.

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