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1-2인 가구를 위한 소규모 주택의 계획론적 특성에 관한 연구 - 대학생 대상 서울시 아이디어공모전 출품작을 중심으로 -
백지숙,이용규,Baek, Ji-Sook,Yi, Yong-Kyu 한국주거학회 2012 한국주거학회 논문집 Vol.23 No.3
Nowadays, a 1-2 person household if increasing due to the aging population and the low birth rate. Thus, in August 2011, Seoul held the 'College Student's Idea Competition', which dealt with small but strong housing that has a very reasonable structure in spite of its small scale in order to improve the quality of small housing for a 1-2 person households. The study indicates the characteristic of this small housing in order to target competition entries from college students; 93- works have been processed. First, the properties of residents are investigated through the number of household members and the relations of the residents. To ensure various element techniques of the entries, the study analyzes data via a structured analysis. Along with structured element techniques according to each level, eight element techniques of the furniture level, housing unit level, main building, and district-level are derived. This study suggests various element techniques in response to the efficiency of area in households as well as housing unit levels. Plans of public spaces and community life housing are offered at the level of the main building and at the district-level. Through an analysis of competition, the critical point of small house planning in deliberation is not only about space and economic efficiency of physical unit, but the life of the residents.
백지숙(Baek, Ji-Suk),박진수(Park, Jin-Soo),김경현(Kim, Kyung-Hyun),문기영(Moon, Gi-Young),김혜경(Kim, Hye-Kyung),최영우(Choi, Young-Woo),박구곤(Park, Go-Gun),양태현(Yang, Tae-Hyun),김창수(Kim, Chang-Soo),설용건(Shul, Young-Gun) 한국신재생에너지학회 2009 한국신재생에너지학회 학술대회논문집 Vol.2009 No.11
The water-like ionic liquids have been widely used to enable the proton conduction in ionic liquid based membranes at high temperature and anhydrous PEFCs. In this study, we synthesized various kinds of composite membranes based on hydrocarbon polymers having good thermal and mechanical stabilities at high temperatures and ionic liquids. The composite membrane consisting of hydrocarbon polymer and ionic liquid was characterized by thermogravimetric analyzer (TGA) and impedance spectroscopy. Consequently the non-aqueous composite membranes of a variety of hydrocarbon polymer and ionic liquids have good conductivity and thermal stability at high temperature conditions.
백지숙(Baek, Ji-Suk),박진수(Park, Jin-Soo),박승희(Park, Seung-Hee),양태현(Yang, Tae-Hyun),박구곤(Park, Gu-Gon),임성대(Yim, Sung-Dae),김창수(Kim, Chang-Soo),설용건(Shul, Young-Gun) 한국신재생에너지학회 2009 한국신재생에너지학회 학술대회논문집 Vol.2009 No.06
The ionic liquid-based sulfonated hydrocarbon composite membranes was prepared for use in anhydrous high temperature-polymer electrolyte fuel cells (HT-PEFCs). Ionic liquid behaves like water in the composite membranes under anhydrous condition. However the composite membranes show a low conductivity and high gas permeability as the content of ionic liquid increases due to its high viscosity and content of ionic liquid, respectively. Hence, in order to enhance the proton conductivity and to reduce the gas permeability of the composite membranes with low content of ionic liquids, the acid containing a common ion of ionic liquid was added to the composite membranes. The characterization of composite membranes was carried out using small-angle X-ray scattering (SAXS), thermogravimetric analyzer (TGA) and impedance spectroscopy. As a result, the composite membranes containing acid showed higher proton conductivity than those with no acid under the un-humidified condition due to a decrease in viscosity. In addition, the proton conductivity of composite membranes increased with increasing mole concentration of acid.
공공임대주택 계획수법으로서의 쇼셜믹스 적용에 관한 연구
백지숙(Baek, Ji-Sook),이용규(Yi, Yong-Kyu) 대한건축학회 2015 대한건축학회논문집 Vol.31 No.7
This study was intended to investigate improving methods of the residential environment of public rental housing by focusing on the social mix as a planning method of the public rental housing in response for diversified lifestyle of residents due to low birthrate and aging phenomenon. This study selected public rental housing, Hirara Complex, in Okinawa that applied architectural planning of physical mixture of various scale unit housings to induce social mix in coexistence of various age and coexistence of various family type aspects. First, as a result of classifying and analyzing the architectural planning method into housing, block, and complex level, it was identified that diversity and proper community formation of early tenants are acquiring great importance. Also, it was verified that residents are being well-balanced in the early part of moving in according to the original plan through analysis on the time-based residential condition. On the other hand, in 2013 after 11 years since the reconstruction, unbalanced situation of the balance of residents becoming standardized without durability occurred that the durability of social mix cannot be secured only through architectural planning methods of physical mixture of various housing scales. Therefore, this study suggested provision methods as recognizing diversity of residence selection of residents, planning methods based on the response to area with flexibility, and supporting circulation between residents.
Pore-filling membrane with ionic liquids immobilized by cross-linking for high temperature PEFCs
백지숙(Baek, Ji-Suk),최영우(Choi, Young-Woo),이미순(Lee, Mi-Soon),양태현(Yang, Tae-Hyun),김창수(Kim, Chang-Soo) 한국신재생에너지학회 2010 한국신재생에너지학회 학술대회논문집 Vol.2010 No.11
The development of high temperature-proton exchange fuel cell (HT-PEFC) is a key in solving the problem of carbon monoxide poisoning of the platinum at anode as well as water management in PEFCs operated below 90?C. In order to overcome these main issues, PEFCs must be operated at high temperature above 120?C. Ionic liquids are available for HT-PEFC due to exhibiting non-volatility and thermal stability. Ionic liquids are however leached out from polymeric matrix resulting in the increase of gas permeability. In this study, we have prepared and characterized the composite membranes with the ionic liquids consisting of 1-(4-vinylbenzyl)-3-butyl imidazolium chloride immobilized by the cross-linkers in pore-filling membrane to prevent to be leached out from the membrane. We confirmed that cross-linked ionic liquids were not leached out from the composite membranes through the various characteristic analyses. It was also verified that the prepared membranes are thermally stable from the result of TG analysis. The pore-filling membranes with the immobilized ionic liquids have a high proton conductivity over 10^{-2} S/cm at high temperature (> 120?C).
박진수(Park, Jin-Soo),백지숙(Baek, Ji-Suk),양태현(Yang, Tae-Hyun),김창수(Kim, Chang-Soo),임성대(Yim, Sung-Dae),박구곤(Park, Gu-Gon) 한국신재생에너지학회 2009 한국신재생에너지학회 학술대회논문집 Vol.2009 No.06
This study presents preparation and characterization of composite membranes based on ionic liquids. The ionic liquids act as water in sulfonated membranes. On the behalf of ionic conduction through ionic liquid inside the membranes, non-aqueous membranes showed Arrenhius dependence on temperature with no external humidification. It was implied that hopping mechanism of proton was dominant in the ionic liquid based membranes. In addition, small angle X-ray (SAXS) studies provided the information on morphology of ionic clusters formed by the interaction between sulfonic acid groups of the polymers and ionic liquids. The SAXS spectra showed matrix peaks, ionomer peaks and Prodo's law for Nafion based composite membranes and only matrix peaks for hydrocarbon based ones. However, ionic conductivity and atomic force microscopy (AFM) images showed the clear formation of ionic clusters of the hydrocarbon based composite membranes. It implies for ionic liquid based high temperature membranes that it is important to use sulfonated polymers as solid matrix of ionic liquid which can form clear ionic clusters in SAXS spectra.