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닭갈비맛 계육 소시지의 닭 껍질과 돼지 등지방의 첨가 효과
송영래,김동수,무흘리신,서태수,장애라,박재인,이성기,Song, Yeong Rae,Kim, Dong Soo,Muhlisin, Muhlisin,Seo, Tae Su,Jang, Aera,Pak, Jae In,Lee, Sung Ki 한국가금학회 2014 韓國家禽學會誌 Vol.41 No.3
연구는 원료육 대비 5% 닭갈비 양념을 첨가한 닭갈비 맛 계육 소시지를 제조하는데 있어서 닭 껍질과 돼지 등지방의 첨가가 저장 중 이화학적 품질을 비교하기 위하여 실시하였다. 닭갈비맛 계육 소시지를 대조구(100% 닭 가슴육), 닭껍질 첨가구(85% 닭 가슴육 + 15% 닭껍질), 돼지 등지방 첨가구(85% 닭 가슴육 + 15% 돼지 등지방)로 나누어 제조하였다. 완성된 닭갈비맛 계육 소시지를 진공포장하여 $4^{\circ}C$에서 14일간 저장하면서 이화학적 품질을 검사하였다. 소시지의 일반 조성을 보면, 대조구에서 수분(72.73%)과 조단백(21.46%) 함량이 높았고, 돼지 등지방 첨가구에서 조지방(10.48%) 함량이 높았다(p<0.05). 대조구와 닭 껍질 첨가구는 돼지 등지방 첨가구보다 불포화지방산 및 단일불포화지방산 함량이 높았다(p<0.05). 보수력은 저장 기간 동안 돼지 등지방 첨가구에서 가장 높은 수준을 보였다(p<0.05). 조직감 비교를 위한 경도는 돼지 등지방 첨가구가 대조구와 닭 껍질 첨가구보다 낮았고, 탄성은 높았다(p<0.05). 결론적으로 닭갈비맛 계육 소시지에 닭 껍질을 첨가하면 불포화지방산 조성이 증가하나, 돼지 등지방 첨가구에 비해 보수성과 조직감이 떨어지는 것으로 나타났다. This study was conducted to investigate the effect of chicken skin and pork backfat on quality of Dakgalbi-taste chicken sausage as fat sources. The sausages were manufactured with 100% chicken breast without fat sources, 85% chicken breast meat with 15% chicken skin or 85% chicken breast meat with 15% pork backfat, respectively. Batters for production of chicken sausage were mixed with 5% Dakgalbi sauce and 4.92% ingredients (meat and lipid basis) for 20 min and then stuffed into casing. All cooked sausages were vacuum-packaged and stored at $4^{\circ}C$ for 14 days. Moisture and crude protein contents were higher in the control, and crude lipid content was higher in chicken sausage with pork backfat (p<0.05). Unsaturated fatty acids content and monounsaturated fatty acids/saturated fatty acids ratio of sausage with pork backfat were lower than those of control and sausage with chicken skin (p<0.05), which were influenced by fatty acids compositions of fat sources. The chicken sausage with pork backfat showed a lower hardness and chewiness, and higher springiness measured by food texture analyzer. The sausage with pork backfat had a high level of water holding capacity (WHC) during storage (p<0.05). In conclusion, Dakgalbi-taste chicken sausage containing chicken skin had higher unsaturated fatty acid compositions, but showed lower textural quality compared with that containing pork backfat.
송영래(Y. R. Song),정재훈(J. H. Jung),지태한(T. H. Jee),이성철(S. C. Lee) 한국자동차공학회 2002 한국자동차공학회 Symposium Vol.2002 No.11
DMF(Dual mass flywheel) is one of the solutions that can reduce noise and vibration of power train systems and<br/> improve the comfortability of passenger car. In this paper, the effects of design parameters in DMF on torsional<br/> vibration are investigated. The objective of this study is to optimize the design parameters by some driving tests and<br/> minimize the vibration level of transmission without any increment in that of engine. As the result of these tests, we<br/> can find more efficient model of DMF and reduce vibration level in power train system.
플라즈마 버너를 이용한 복합재생방식 DPF 시스템 개발
지태한(Taehan Jee),송영래(Youngrae Song),조형제(Hyungjei Cho),임기성(Gisung Lim),권해붕(Haeboung Kwon),박용성(Youngsung Park),이정기(Jungki Lee),곽민환(Minhwan Kwak) 한국자동차공학회 2008 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
As soot particles are loaded in a diesel particulate filter, the filter should be regenerated periodically or continuously in the exhaust system. For the passive DPF system with catalysts, chemical reactions make a continuous regeneration of the filter. But the use of this fully passive DPF system is practically limited to high engine loads condition. Especially for the low engine loads driving pattern, there is no regeneration method in the passive DPF system. The active DPF system with a burner is an attractive alternative because the regeneration of the filter at all the engine condition could be possible. This study describes the development of the active DPF system using a plasma assisted burner regeneration considering the stability of flame, efficiency of the burner and control logic of the system. Engine bench tests are performed to verify these performances of the burner system. Results from these tests show that increased exhaust gas temperature leads to faster regeneration. Also high efficiency of the plasma assisted burner is shown.