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도로 유지보수를 위한 열 방출 차단형 적재함 내 아스팔트 콘크리트의 열전달 특성 연구

원문정보

Study on Heat Transfer Characteristics of Asphalt Concrete in Heat Dissipation Cut-off Type Cargo Box for Road Maintenance

강성욱, 조민구, 김현수, 김호진, 고영봉, 홍기철, 장홍래

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초록

영어

Asphalt concrete(Ascon) is used to repair potholes and cracks. Special truck-mounted cargo boxes transport 200℃ asphalt concrete to repair potholes and cracks. However, long working and transportation hours to repair wide roads decrease the temperature of the asphalt concrete inside the cargo boxes. If the asphalt concrete temperature drops below 170℃, the adhesion with roads that need repair decreases. Therefore, the temperature of the asphalt concrete needs to be maintained for a long time. Conventional asphalt concrete cargo boxes are mostly burner-type models using hot air to prevent the temperature of the asphalt concrete from dropping. However, there are significant temperature differences between the asphalt concrete near and far away from the hot air, so the temperature decreases over time and leads to the disposal of large amounts of asphalt concrete. This causes waste of resources and environmental pollution. Therefore, this study proposed a heat dissipation cut-off type cargo box model to solve this problem and demonstrated its performance over conventional burner-type models through tests and analysis.

목차

ABSTRACT
1. 서론
2. 열 방출 차단형 적재함 아스콘 온도 측정 실험
3. 열전달 해석
3.1 열전달 해석 모델
3.2 열전달 해석을 위한 경계조건 및 물성값
3.3 유한요소 생성
3.4 열전달 해석 결과
3.5 열전달 해석 결과와 실험 결과 비교
4. 결론
후기
References

저자정보

  • 강성욱 Sung-Wook Kang. Precision Mechnanical Process and Control R&D Group, Korea Institute of Industrial Technology
  • 조민구 Min-Goo Cho. School of Mechanical Engineering, Pusan National University
  • 김현수 Hyun-Soo Kim. School of Mechanical Engineering, Pusan National University
  • 김호진 Ho-Jin Kim. Daegu Gyeongbuk Branch, Korea Testing & Research Institute
  • 고영봉 Young-Bong Ko. Daegu Gyeongbuk Branch, Korea Testing & Research Institute
  • 홍기철 Ki-Cheol Hong. Rephalt Korea Co., Ltd.
  • 장홍래 Hong-Lae Jang. School of Mechanical Engineering, Changwon National University

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