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블로바이 가스 내 오일입자들을 제거하기 위한 필터의 유동특성 수치해석
윤정의(Jeong-Eui Yun),채강석(Kangseog Chae),강혁진(Hyukjin Kang),정도영(Doyoung Chung) 한국자동차공학회 2016 한국 자동차공학회논문집 Vol.24 No.5
This research was performed to determine the oil separation characteristics of the specially designed oil filter installed in a PCV cylinder head passage. The oil filter was specially designed with fleece for separating oil mist from blow-by gas. The fleece, made of fiber fabric material, is placed in the oil filter case to absorb oil mist with a small pressure drop during blow-by gas through the filter. To do this, 3-D CFD analysis was simulated for the simplified PCV system with the oil filter using the commercial code, Ansys CFX. Results showed that the oil filter’s efficiency with fleece sharply increased as oil droplet size increased.
미분탄 화염 영상 분석을 통한 취입랜스 최적 제어 기법 개발
김지언(Chiyen Kim),이민철(Mincheol Lee),백준영(Junyoung Baek),정도영(Doyoung Jeong),안영진(Youngjin Ahn) 대한기계학회 2008 대한기계학회 춘추학술대회 Vol.2008 No.11
This paper introduces the automatic fine Bituminous Coal injection lance position control method using flame image process. The fine Coal injection lance is used to supply additional heat into the furnace in Mill plant. It injects fine coal into high pressured air flow and produces very heated and high pressured flame. For the such high temperature and pressure, the fine coal injection lance effects not only efficiency of burner but also furnace abrasion. To keep efficient combustion status and to avoid the abrasion, in this paper, the flame is monitored by computer image process. This paper proposes the flame image process method and lance position control according to calculated result for flame image process.