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송민준(Minjoon Song),조치훈(Chihoon Jo),조서연(Seoyeon Cho),김태훈(Taehoon Kim),이연태,김현수(Hyunsoo Kim) 한국자동차공학회 2008 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
An optimal gear ratio generation program is developed, which calculates the optimal gear ratio automatically in design of the automatic transmission. This program is designed to provide the planetary gear ratio which satisfies the design requirements such as shift range, step ratio, top and bottom gear ratio and rear gear ratio. It is expected that the optimal gear tooth ratio generation program will be used in development of a new automatic transmission.
음폐수 처리 실규모 혐기소화조의 메탄균 군집 구조 고찰
송민준 ( Minjoon Song ),이준엽 ( Joonyeob Lee ),황병철 ( Byungchul Hwang ),구태완 ( Taewoan Koo ),황석환 ( Seokhwan Hwang ) 한국폐기물자원순환학회(구 한국폐기물학회) 2014 한국폐기물자원순환학회 심포지움 Vol.2014 No.2
Structural shift of methanogen communities of a full-scale biogas reactor was examined using 454 pyrosequencing of 16S rRNA gene sequences. Samples were quarterly collected for two years from a continuously-stirred tank digester (CT, location: Gwangju) treating food waste-recycling wastewater operated at thermophilic conditions. The pyrosequencing generated 8 251 sequences representing 2 phyla, 4 classes, 6 orders, 6 families, 10 genera, and 35 species of잸rchaea. The most abundant sequences at the species level originated from Methanothermobacter wolfeii (CT1,CT7 and CT8) and Methanoculleus thermophiles (CT2 to CT6) in the reactor. These highly versatile species represent organotrophs, including mainly hydrogenotrophic methanogens capable of converting hydrogen and carbon dioxide into methane. In this regard, the methane production of this reactor follow the hydrogenotrophic methanogenesis pathway utilizing hydrogen and carbon dioxide as a carbon source. This result might be supplied as a selective reference of relevant works to start-up fullscale digesters (inoculum reference) and enhance process efficiency (optimization).
국내 재제조 산업 기반조성을 위한 EU의 BER(Block Exemption Regulation) 분석
목학수(Haksoo Mok),전창수(Changsoo Jeon),한창효(Changhyo Han),송민준(MinJoon Song),박상진(Sangjin Park),이정훈(Junghun Lee),이규창(Kyuchang Lee) 한국자동차공학회 2009 한국자동차공학회 학술대회 및 전시회 Vol.2009 No.11
The environment is the global issue of this era. The remanufacturing is the process of collecting the used products, disassemblying them perfectly, cleaning the disassembled parts, inspecting the cleaned parts, sorting the usable parts and unusable parts, reconditioning the old parts same as new ones, and reassemblying the parts into the product. In Europe and America, the remanufacturing industry has been systemically managed as a higher-value-added business and many people have used the remanufactured products at liberty. To activate the remanufacturing industry and acquire the international competitive power, the BER (Block Exemption Regulation) is analyzed in this paper.