Casting Simulation on the Integrated Twin-Scroll Turbine Housing with Exhaust Manifold

Kang, Ho-Jeong; Yun, Pil-Hwan; Cheon, Joo-Yong; Kim, Hyo-Jung; Kim, Chung-Min; Park, Jin-Young

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자료유형: 학술저널

저자정보: Kang, Ho-Jeong (Advanced Forming R&D Group, Korea Institute of Industrial Technology) Yun, Pil-Hwan (Advanced Forming R&D Group, Korea Institute of Industrial Technology) Cheon, Joo-Yong (Advanced Forming R&D Group, Korea Institute of Industrial Technology) Kim, Hyo-Jung (R&D Center, Castec Korea Co., Ltd.) Kim, Chung-Min (R&D Center, Castec Korea Co., Ltd.) Park, Jin-Young (Advanced Forming R&D Group, Korea Institute of Industrial Technology)

저널정보: 한국주조공학회 한국주조공학회지 (주조) 한국주조공학회지 제37권 제6호

발행연도: 2017.1

수록면: 173 - 180 (8page)

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In this paper, the casting design of the integrated twin-scroll turbine housing with exhaust manifold using stainless steel is investigated. Due to the complexity in its geometry and the poor castability of stainless steel, it is more crucial to set up the appropriate casting design to avoid casting defects. Gas porosity and shrinkage formation with the changes of gating systems (one-/two-side), riser conditions and pouring temperatures are examined via casting simulation and virtual castings. Simulation results show that two-side gating system produced better quality casting than that of one-side gating system, minimizing the gas content of the castings and it is also verified by X-ray analysis for the virtual castings. For the changes of riser conditions and pouring temperatures in the two-side gating system, it is found that the change of the height of two risers plays an important role in obtaining the best quality by reducing shrinkage defects.

#Twin-scroll turbine housing #Stainless steel #Casting simulation #Gas porosity #Shrinkage #X-ray analysis #Riser #Pouring temperature

참고문헌 (14)

참고문헌 신청

Guo Zhanli / 2010 / Simulation of shrinkage defect formation in exhaust manifold castings / The 8th Pacific Rim International Conference on Modeling of Casting and Solidification Processes

J. Galindo / 2013 / Characterization of a radial turbocharger turbine in pulsating flow by means of CFD and its application to engine modeling / Applied Energy 103:116~127

Jung SM / 2017 / Effects of Mn and Mo addition on high-temperature tensile properties in high-Ni-containing austenitic cast steels used for turbocharger application / Materials Science & Engineering A 682:147~155

E. Majchrzak / 2007 / Gradient method of cast iron latent heat identification / Archives of Foundry Engineering 7:121~126

E. Majchrzak / 2006 / Identification of cast iron substitute thermal capacity / Archives of Foundry Engineering 6:121~126

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