한국기계기술학회지 [Journal of the Korean Society of Mechanical Technology]

간행물 정보
  • 자료유형
  • 발행기관
    한국기계기술학회 [Korean Society of Mechanical Technology]
  • ISSN
  • 간기
  • 수록기간
  • 등재여부
    KCI 등재
  • 주제분류
    공학 > 기계공학
  • 십진분류
    KDC 550 DDC 621
제10권 제4호 (5건)



조사시험용 압력용기의 고온고압시험

박국남, 윤영중, 전형길, 안성호, 이기홍, 김영기, Timothy C. Kennedy

한국기계기술학회 한국기계기술학회지 제10권 제4호 2008.12 pp.1-6

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The In-Pile Section(IPS) is located inside the reactor pool. It is divided into 3-parts; the in-pool pipes, the IVA(IPS Vessel Assembly) and the support structures. The test fuel is loaded inside a double wall, inner pressure vessel and outer pressure vessel, to keep the functionality of the reactor coolant pressure boundary. The IVA is manufactured by local company and the functional test and verification were done through pressure drop, vibration, hydraulic and leakage tests. A IVA has been manufactured by local technique and have finally tested under high temperature and high pressure. The IVA and piping did not experience leakage, as we have checked the piping, flanges, assembly parts. We have obtained good data during the three cycle test which includes a pressure test, pressure and temperature cycling, and constant temperature.



수조 내 우회배관 열응력 평가

이종민, 이정영, 박수기, 안성호

한국기계기술학회 한국기계기술학회지 제10권 제4호 2008.12 pp.7-11

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In-Pool By-Pass Pipe is a structure which connects the 2 In-Pool Pipes instead of In-Pile Test Section(IPS). It is designed to accommodate the 17.5 MPa and 80 ℃ under the consideration of the FTL pre-operation conditions but the need for high temperature, over 200 ℃, during FTL pre-operation make the additional assessment to be performed. For this study 2 models are used. One is an In-Pool By-Pass Pipe model which affected by HANARO water's elevation, another is an In-Pool By-Pass Pipe Nozzle which has 2 boundary conditions; water and air. After the heat transfer analysis linear stress analysis was performed to achieve Tresca stress. In the region of high stress model's detailed behavior is observed by ASME SectionⅢ NB code. Consequentially it concluded that the model of In-Pool By-Pass Pipe Structure is in reasonable agreement with those code.




컨베이어식 석탄난방기의 연소구조 및 화격자 설계에 관한 연구

이시영, 강금춘, 백이, 이기명

한국기계기술학회 한국기계기술학회지 제10권 제4호 2008.12 pp.12-17

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This study was carried out to design and develope conveyer combustion type coal heater in the green house. Different from existing coal heater, the conveyer combustion type coal heater was designed for circulating coal from supplying to exhausting. The size of traveling grate and velocity reduction gear ratio for driving traveling grate were designed to product coal heater had 200,000kcal/hr heating capacity. The result is that the coal heater of 200,000kcal/hr heating capacity was determined by the width of grate in between 600 to 800㎜ when the horizontal length of conveying combustion area was 1,500㎜. And the first and second reduction ratio of 1:100 and 1:70 was more effective at 1,350rpm, respectively, in the coal heater of 200,000kcal/hr heating capacity.



Glass wool과 Formed mat의 열차폐성능 특성

추홍록, 김창수, 김태권

한국기계기술학회 한국기계기술학회지 제10권 제4호 2008.12 pp.18-22

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An insulator is widely used for automobile parts to protect the thermal damage and noise from the engine. In this paper, the heat shield performance of insulator in the automobile parts has been investigated experimentally. Also, the experimental results are compared with the numerical analysis. It was tested for the effects of heating temperature and insulator material on heat shield performance. As a results, in the range of heating temperature 95℃∼175℃, the heat shield performance is enhanced with increasing heating temperature. Furthermore, glass wool and Formed mat have similar heat shield performance. So, it is very effective to use the glass wool as insulator in the range of 95℃∼175.



Battery cover의 열차폐성능 특성

추홍록, 김창수, 김태권

한국기계기술학회 한국기계기술학회지 제10권 제4호 2008.12 pp.23-27

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Generally, the characteristics of battery cover has been effected on the expected life span and durability of battery. In this study, the heat shield performance of battery cover was investigated experimentally. Also, the cooling effect of battery for each conditions(material and structral conditions of battery cover) was investigated. As the results, the heat shield performance for heating case is excellent in the case of thickness increasing of battery cover. The characteristics for heating case is more effected on the thermal damage than that of cooling case.


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