한국섬유공학회지 (Textile Science and Engineering)

  • 제60권6호
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  • Pages.391-399
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  • 2023
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  • 1225-1089(pISSN)
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  • 2288-6419(eISSN)
한국섬유공학회 (The Korean Fiber Society)
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고연신 섬유 제작을 위한 고온 챔버의 열 분포 및 유동 해석

Heat Distribution and Flow Analysis of High Temperature Chamber for High-stretch Fiber Production

  • 여동현 (다이텍연구원 섬유가상공학연구센터) ;
  • 윤현성 (다이텍연구원 섬유가상공학연구센터) ;
  • 유성훈 (다이텍연구원 섬유가상공학연구센터) ;
  • 이준희 (다이텍연구원 섬유가상공학연구센터) ;
  • 박병수 (일진에이테크(주)) ;
  • 성정훈 (태광산업(주)) ;
  • 심지현 (다이텍연구원 섬유가상공학연구센터)
  • Dong-Hyun Yeo (Textile Virtual Engineering Research Center, DYETEC Institute) ;
  • Hyun-Sung Yoon (Textile Virtual Engineering Research Center, DYETEC Institute) ;
  • Seong-Hun Yu (Textile Virtual Engineering Research Center, DYETEC Institute) ;
  • Jun-Hee Lee (Textile Virtual Engineering Research Center, DYETEC Institute) ;
  • Byung-Soo Park (ILJIN A-tech Industrial Co., Ltd.) ;
  • Jung-Hoon Sung (TAEKWANG Industrial Co., Ltd.) ;
  • Jee-Hyun Sim (Textile Virtual Engineering Research Center, DYETEC Institute)
  • 투고 : 2023.11.22
  • 심사 : 2023.12.07
  • 발행 : 2023.12.31
⟨ 이전 논문 다음 논문 ⟩

초록

Aramid fiber has superior tensile strength compared to existing organic fibers, so it is used in tire cords and aerospace fields. Because copolymerized aramid uses an organic solvent in the production process, it has great advantages in terms of process safety and manufacturing environment stability compared to the existing production process using sulfuric acid as a solvent. However, in the case of copolymerized aramid, a stretching rate 8 to 12 times higher than the stretching process is required for high mechanical properties. In order to stretch 8 to 12 times, a high temperature of over 400 to 600 degrees is required. CAE is utilized to optimize the thermal stability and flow of the ultra-high temperature stretching process. For high stretching of 8 to 12 times, a three-stage stretching chamber with a temperature of 500 ℃ or higher is used. Thermal analysis, structural analysis, and flow analysis were performed to maintain the thermal and structural stability inside the high temperature chamber above 500 ℃ and the flow stability of hot air. Through heat distribution and flow analysis, various problems that can occur in the stretching process are identified, and various stretching process types and process conditions are proposed to prevent them. Based on the proposed gap and air heater conditions, a high temperature stretching process of over 500 degrees can be produced and used to produce actual organic fibers.

키워드

과제정보

본 연구는 산업통상자원부 소재부품기술개발사업의 과제번호 20015646의 연구비 지원으로 수행되었습니다.

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