• 제목/요약/키워드: Mock Up

검색결과 808건 처리시간 0.046초

고부가가치선의 Unit Cabin Mock-up 을 이용한 캐빈소음 저감 연구 (Cabin Noise Reduction using Unit Cabin Mock-up of High Value Ship)

  • 주원호;송근복
    • 한국소음진동공학회:학술대회논문집
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    • 한국소음진동공학회 2010년도 춘계학술대회 논문집
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    • pp.483-484
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    • 2010
  • Unit cabin means room, which is installed in the high value ship such as drill ship and FPSO, after pre-assembled. In order to develop the noise control design for a unit cabin, a variety of acoustic tests such as sound absorption, transmission, and radiated noise measurements were carried out by using the mock-up of living quarter. From the tests, it was found out that the combined noise level of a unit cabin could be dominated by the radiated noise from wall panel in low frequency range and the design guidelines for the noise control of unit cabin were fully established, such as the improvement of sound transmission loss between the cabin and corridor, and radiated cabin noise reduction.

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장수명 공동주택 목업하우스 적용 인필시스템에 관한 연구 (A Study on the Infill system applied to Mock-up house of the long life housing)

  • 박경순;강혁;송진용;손원득
    • 대한설비공학회:학술대회논문집
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    • 대한설비공학회 2008년도 하계학술발표대회 논문집
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    • pp.558-562
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    • 2008
  • This study is being conducted to develope an infill system applied to Mock-Up House of the Korean long life housing. This paper presents result of study and an infill system applied to Mock-up house, commenced in June 2005. We also present the mechanical system and technology, the capability of interface, and other factors.

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해상 전력구조물 내구성 실증 실험장 구축 및 운영 (Development and Operation of Durability Mock-Up Test Facilities for Offshore Electricity Structures)

  • 방기성;한상묵;송영철;권병수
    • 한국콘크리트학회:학술대회논문집
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    • 한국콘크리트학회 2005년도 봄학술 발표회 논문집(II)
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    • pp.265-268
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    • 2005
  • This paper discusses a strategy and status for development and operation of durability mock-up test facilities for offshore structures. The strategy is examplified and facilitated using an offshore transmission tower crossing the West sea and the Shihwha lake, which was designed and constructed 345kV T/L lines transmitting power from Yeong-Heung fossil power plant to Seoul metropolitan area. Various data for corrosion protection, aging, life-prediction of concrete and steel offshore structures can be obtained using the proposed mock-up test facility. Acquired data will be used for further research on durability, life-prediction, and retrofit of structures. It is important to maintain the safety of 345 kV Yeong-Heung transmission line crossing the Shihwha lake because the offshore structure is one of the critical electric facilities transmitting large power to the metropolitan area. Operation of the offshore transmission tower mock-up is expected to make a significant contribution to stable power supply.

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석탄가스화 발전슬래그를 잔골재로 사용한 콘크리트 Mock-up 부재의 공학적 특성 (Engineering Properties of Concrete Mock-up Using Coal Gasification Slag as Fine Aggregate.)

  • 한준희;이영준;현승용;한민철;윤기원;한천구
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2018년도 추계 학술논문 발표대회
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    • pp.159-160
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    • 2018
  • In this study, the characteristics of the Mock-up test were reviewed to analyze the applicability of the coal gasification slag (CGS) from the integrated gasification combination Cycle (IGCC) to the concrete fine aggregate. The analysis shows that CGS and crushed sand mix is the best combination of CGS combined with about 50 % of CGS based on the effects of promoting liquidity and strength. This is expected to be a positive factor in securing the strength and flexibility of concrete given the optimal mix of CGS, and may also contribute to the improvement of quality.

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Mock up test를 통한 석탄가스화 발전슬래그를 잔골재로 사용한 콘크리트의 현장적용 가능성 분석 (Effect of Using Coal Gasification Slag as Fine Aggregate on Field Applicability of the Concrete through Mock-up Test)

  • 한준희;이영준;현승용;한민철;윤기원;한천구
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2018년도 추계 학술논문 발표대회
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    • pp.21-22
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    • 2018
  • In this study, the characteristics of the Mock-up test were reviewed to analyze the applicability of the coal gasification slag (CGS) from the integrated gasification combination Cycle (IGCC) to the concrete fine aggregate. The analysis shows that CGS and crushed sand mix is the best combination of CGS combined with about 50 % of CGS based on the effects of promoting liquidity and strength. This is expected to be a positive factor in securing the strength and flexibility of concrete given the optimal mix of CGS, and may also contribute to the improvement of quality.

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Development of a computer aided program for slipforming operations incorporating maturity approach

  • Hossain, K.M.A.;Anagnostopoulos, C.;Lachemi, M.
    • Computers and Concrete
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    • 제3권2_3호
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    • pp.177-195
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    • 2006
  • Slipforming is a construction method in which the forms move continuously during the placement of concrete. This paper presents the development of a computer aided program designated as "CADSLIPFORM" for slipforming operations. The program incorporates maturity methods for the prediction of initial setting times of slipform concrete layers using laboratory data (time-temperature histories and setting times of concrete mixtures at different temperatures) and generates slipform mock-up times. The performance of CADSLIPFORM is validated by comparing simulated mock-up times with those estimated in the field through conventional hard front by rod (R) method. Moreover, the program versatility is demonstrated by illustrating mock-up simulations for different cases with variable slipform parameters such as: number and thickness of concrete layers, concrete temperature (simulating variable setting times) and slipform speed. The program also incorporates the choice of Freiesleben Hansen & Pederson (FHP) and Carino & Tank (CT) maturity functions. CADSLIPFORM can assist user to develop reliable schedule of slipforming operation suitable for a specific project by optimizing various slipform parameters.

FMI 표준을 활용한 관절형 로터/공력 연계시뮬레이션 (Articulated Rotor/Aerodynamics Co-Simulation Using FMI Standard)

  • 백승길;박중용
    • 항공우주시스템공학회지
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    • 제9권4호
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    • pp.1-7
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    • 2015
  • The purpose of this research is to develop co-simulation methodology of codes developed in different modeling and simulation environment. We develop aerodynamic FMU(Functional Mock-up Unit) meeting FMI(Functional Mock-up Interface) specification version2 utilizing Legacy FORTRAN aerodynamic code based on unsteady vortex lattice method. It is concluded that making FMU is possible utilizing Legacy code made in any language which can be compiled and linked with object in FMI API coded in C language. This paper explains QTronic's method of using FMU SDK(Software Development Kit) and suggestion for using FORTRAN properly. Finally, we make articulated rotor/aerodynamics co-simulation by integrating aerodynamics FMU and rotor FMU developed by Modelica.

전이보 매스콘크리트의 수화열 저감에 관한 Mock-up 실험 (Mock-up Test on the Reduction of Hydration Heat of Mass Concrete for Transfer Girder)

  • 윤섭;황인성;백병훈;한천구
    • 한국콘크리트학회:학술대회논문집
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    • 한국콘크리트학회 2004년도 추계 학술발표회 제16권2호
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    • pp.707-710
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    • 2004
  • This paper reported the results of mock-up test on mass concrete for transfer girder using setting time difference of super retarding agent(SRA). According to test results, two mock-up structures were made. Plain concrete without placing layer reached maximum temperature after 24hours since placement and caused surface hydration cracks at top section. However, concrete with placing layer reached maximum temperature after 72hours and surface temperature was higher than center temperature, which did not cause surface crack. After form removing, no crack was observed at side surface of plain concrete, while concrete using SRA at mid section had surface scaling and settling crack. According to coring results, concrete with placing layer had a penetration crack from top section to bottom section. Therefore, the setting time difference method to reduce hydration heat will have difficulty in applying the mass concrete for transfer girder.

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가상 조작기를 이용한 3D 모델링 및 시뮬레이션 (3D Modeling and Simulation using Virtual Manipulator)

  • 박희성;김호동
    • 한국정보처리학회:학술대회논문집
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    • 한국정보처리학회 2011년도 춘계학술발표대회
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    • pp.547-550
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    • 2011
  • The purpose of this paper is to verify and validate the maintenance tasks of the construction of a nuclear facility using a digital mock-up and simulation technology instead of a physical mock-up. Prior to the construction of a nuclear facility, a remote simulator that provides the opportunity to produce a complete digital mock-up of the PRIDE (Pyroprocess Integrated Inactive DEmonstration Facility) region and its remote handling equipment, including operations and maintenance procedures has been developed. In this paper, the system architecture and graphic user interface of a remote simulator that coincides with the extraordinary nature of a nuclear fuel cycle facility is introduced. In order to analyze the remote accessibility of a remote manipulator, virtual prototyping that was performed it by using haptic device of external input devices under a 3D full-scale digital mock-up is explained.

매스콘크리트 저발열 배합의 CGS 잔골재 활용에 관한 Mock-up 시험 (Mock-up Test on the Utilization of CGS Fine Aggregate in Low Heat Mixture of Mass Concrete)

  • 한준희;임군수;백성진;한수환;김종;한민철
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2022년도 봄 학술논문 발표대회
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    • pp.97-98
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    • 2022
  • In this study, conducted a Mock-up test on the use of TBC and CGS fine aggregates for the purpose of reducing the upper and lower hydration heat according to the horizontal division and punching of mass concrete. As a result of the experiment, it is judged that it will be effective in preventing temperature cracking of mass concrete when mixing the upper and lower parts and replacing CGS.

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