• Title/Summary/Keyword: Fireplace

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A Study on Estimation of Air Pollutants Emission from Traditional Fireplace in Korea (아궁이 사용에 의한 대기오염물질 배출량 산정에 관한 연구)

  • Kim, Dong Young;Choi, Min-Ae;Han, Yong-Hee;Park, Sung-Kyu
    • Journal of Korean Society for Atmospheric Environment
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    • v.30 no.6
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    • pp.538-544
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    • 2014
  • A traditional fireplace has been used, but not much, for heating and cooking in rural area, Korea. Traditional fireplace as one type of biomass burnings is also emitting various air pollutants. Air pollutants emission from traditional fireplace was estimated in this study. There are two types of traditional fireplace, one for combined heating and cooking, the other one for cooking only. Types of fuels mostly used in traditional fireplace were wood, agricultural residue, solid waste. Activity levels such as fuel types, amount of fuel loading, and temporal variation were investigated by field survey over Korea. Estimated annual emissions from traditional fireplace were CO 6,335.0, NOx 555.0, SOx 9.6, VOC 1,771.7, TSP 181.4, $PM_{10}$ 119.9, $PM_{2.5}$ 96.2, $NH_3$ 1.4 ton/yr respectively. When emissions compared with the national emission inventory (CAPSS: Clean Air Policy Support System) of 2010 year, CO and $PM_{10}$ occupy 0.8% and 0.1% of total national emission, respectively.

Kahn's Fireplaces as Independent Object in the middle of Space (공간 속 독립 오브제로서 배치된 칸의 벽난로에 대한 연구)

  • Hong, Ye-Eun;Nam, Sung-Taeg
    • Journal of the Architectural Institute of Korea Planning & Design
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    • v.36 no.4
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    • pp.3-11
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    • 2020
  • The fireplace has been inseparable from the wall. Therefore, the fireplace, which is independently revealed in the living room, is unusual and exceptional. According to the concept of "Served-Servant space" by Louis Kahn, "Servant space" is conceived as an inhabited thick wall and completely separated from "Served space." The fireplace is an apparent servant element, but in Fisher house, it is considered as the single, remarkable and major element composing the house. Paradoxically, this scene of the living room is in conflict with Kahn's ideas on "Servant space." This study sheds new light on the independent fireplace in the conflicting relationship and suggests the similarities with the contemporary cases-Le Corbusier & Philip Johnson-in terms of the stand-alone "Servant element." In the end, the independent fireplace of the Fisher house has transformed into an essential element of the house, as Kahn said that "I feel it[fireplace] represents the presence of a man and therefore is of home."

A Study on Spatial Characteristics of Wingspread House of Frank Lloyd Wright - Focused on the space composition of fireplace and common features of both Prairie and Usonian periods - (라이트의 윙스프레드 주택에 나타난 공간 특성에 관한 연구 - 벽난로 공간 구성 및 프레리와 유소니안 주택 건축의 공통된 특징을 중심으로 -)

  • Kim, Jin-Ho
    • Korean Institute of Interior Design Journal
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    • v.25 no.2
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    • pp.163-174
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    • 2016
  • The purpose of this study is to reveal the space composition of fireplace and common features of both Prairie and Usonian House found within Wingspread House. This house is the last and largest Prairie house and zoned house built in a Usonian period. However, this house is not an independent work, but rather Wright's evolutionary experiments of fireplace from his early works and his pursuit of Usonian ideal. This paper can be summarized as follows: 1) Living room has been transformed to allow spatial continuity towards exterior view and access and between neighboring rooms by removing doors and inglenook. At the Wingspread house Wright has introduced a freestanding fireplace in a living room with higher and prominent roof structure, therefore the space became a focal point as well as the central space of the entire house. 2) Wingspread and Coonley house have gallery space in common, but they have different settings in the living room composition. Also the living room and gallery space of Wingspread and Usonian houses have prospect and refuge principle by expansion and compression. 3) Wingspread house is a successful combination of Prairie and Usonian style to meet client's requirements in space composition and Wright's technology and economical experiments. This study is intended to reevaluate the significance of this house bridging his two great residential periods.

Reconsideration of the Construction Period of the Jeongnimsaji Temple Site (정림사지 창건시기 재고)

  • Tahk, Kyung-Baek
    • Journal of architectural history
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    • v.25 no.4
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    • pp.57-64
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    • 2016
  • It was believed that Jeongnimsa temple was built after the capital was moved from Gongju to Buyeo. It was confirmed that it was built A.D. $625{\pm}20$ by conducting a paleomagnetic analysis on the fireplace, which was recently found at the bottom of Jungmunji(middle gate). Consequently, it is assumed that the temple was built in the early 7th century unlike the previous point of view. Therefore, this study evaluated if the fireplace at the bottom of Jungmunji was found at the geological stratum representing the Jeongnimsa temple. Moreover, the study examined when the fireplace at the bottom of Jungmunji was constructed on the soil stratum. It is possible that the fireplace was built in the early 7th century as shown in the paleomagnetic analysis. However, when we compared the soil strata of the Jungmunji and the existing five-story stone pagoda, it showed that the ground was prepared differently and they were built over a fairly long period of time. Furthermore, I discovered that there was a wooden pagoda under the five-story stone pagoda by examining the soil strata map. Therefore, previous studies evaluated the arrangement of auxiliary buildings of Jeongnimsa temple and concluded that it was built in the early 7th century. It is hard to determine when the temple was built based on the arrangement of auxiliary buildings, because it takes a long time to build a temple and auxiliary buildings can be relocated during this long construction period. Rather, we have to admit that there are various arrangement patterns through minor changes in buildings from the one pagoda and one main building(Geumdang) arrangement.

Emission of Airbone Pollutants from Traditional Korean Fireplace (아궁이 사용에 의한 대기오염물질의 배출 특성)

  • Park, Sung Kyu;Lyu, Kun Jung;Choi, Sang Jin;Kim, Dae keun;Kim, Dong Young;Jang, Young Kee
    • Journal of Climate Change Research
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    • v.6 no.2
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    • pp.113-119
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    • 2015
  • Emission from the traditional Korean fireplace, or the under-floor heating and cooking device, can contribute significantly to airborne pollutants inventories. This study has systematically measured emissions of airborne pollutants from the fireplace when used different fuels such as firewood, agricultural crop residuals, household wastes. The results show that emission factors of airborne pollutants through the primary combustion of firewood were 3.22 g/kg for TSP, 2.93 g/kg for $PM_{10}$, 2.65 g/kg for $PM_{2.5}$, 174.19 g/kg for CO, 7.77 g/kg for NO, 0.15 g/kg for $SO_2$, 40.53 g/kg for TVOC and 0.03 g/kg for $NH_3$; from burning of agricultural crop residues, 2.85 g/kg for TSP, 1.38 g/kg for $PM_{10}$, 1.14 g/kg for $PM_{2.5}$, 126.47 g/kg for CO, 12.60 g/kg for NO, 0.20 g/kg for $SO_2$, 33.73 g/kg for TVOC and 0.02 g/kg for $NH_3$; and for household wastes, 10.52 g/kg for TSP, 8.52 g/kg for $PM_{10}$, 6.23 g/kg for $PM_{2.5}$, 72.86 g/kg for CO, 11.73 g/kg for NO, 0.20 g/kg for $SO_2$, 47.10 g/kg for TVOC and 0.20 g/kg for $NH_3$.

A Study on Korean Imaginations of Relaxation (한국인의 이완상상에 관한 연구)

  • 박정숙
    • Journal of Korean Academy of Nursing
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    • v.23 no.1
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    • pp.29-41
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    • 1993
  • Relaxation technique is an independent nursing intervention used in various stressful situations. Relaxation techniques must be explored regarding relaxing imaginations used by the people in their traditional life experiences. So for Korean relaxation techniques to become culturally acceptable and effective imaginations of relaxation must be developed. The purpose of this study was to identify differences in relaxation levels of Koreans according to five relaxation imaginations and five groups and to analyze the factors influencing relaxation techniques for Korean people. The subjects were 38 hospitalized patients, 21 rural residents, 56 housewives, 16 researchers and 59 nursing students. Data were collected from September 4 to October 24, 1991 by interview or self-re-port questionnaires. The measurement tool was the graphic rating scale of relaxation levels. The data analysis was done by percent, ANOVA and Scheffe test using the SAS program. The. results of study are summerized as follows : 1. The relaxation level of Koreans was significantly different for the five relaxation imaginations (F=5.95, P=0.0001). Relaxation level of ‘after bathing imagination’ was 6.90, ‘in bed imagination’ was 6.55, ‘in the mountain imagination’ was 6.01, ‘snow and fireplace imagination’ was 5.84 and ‘at the seashore imagination’ was 5.80. As a result of the Scheffe test, ‘after bathing imagination’ was found to show a higher relaxation level than ‘at the sea-shore imagination’ ‘in the mountain imagination’ and ’snow and fireplace imagination(P〈.05). 2. The relaxation levels of the Koreans were not different for the five groups(F=1.26, P=0.29). 3. There were no differences in the relaxation level of the koreans according to sex, age, place of residence, place of residence during childhood, marital status, religion or educational status. In conclusion, Korean people prefer the ‘relaxation imagination of after bathing’ to western style relaxation imagination of ‘at the seashore imagination’ and ‘snow and fireplace imagination’.

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A Study on the First Korean Legation Building, The Fisher House, in Washington, D.C. (최초의 주미조선공사관 피서옥(皮瑞屋) 개설과 그 의미에 관한 연구)

  • Kim, Jong-Hun
    • Journal of architectural history
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    • v.28 no.6
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    • pp.77-85
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    • 2019
  • The Fisher House, the first Korean Legation in the USA was located at 1513 O Street in Washington, D.C. This house was a three-story brick building with a height of 12.2m(8.84m up to the eaves) and a mansard roof. Facing the street, it is 7.32m (24 feet) wide and 23.6m(77.4 feet) depth. There is a long hallway after the entrance and a parlor with a grand fireplace next to it. This long hallway leads to a central hallway with another fireplace and a central staircase connecting the 2nd and 3rd floors. After the stairs a dining room is with a fireplace in the middle, which then leads to a pantry for dishes and the kitchen. It can also be argued that The Fisher House was the first Western-style residence for Koreans who were officially dispatched from the government. On the other hand, when living in The Fisher House, Park Jung-yang, who was sent on the three premises of the Yeonjak, directly experienced how the United States sought independence from the U.K. through the Declaration of Independence, Mount Vernon, the Washington monument, the Arlington National Cemetery, and battlefields. Even though he was summoned back to Korea by China in less than a year, Park Jung-yang actively supported the independence movement when he became acting prime minister in 1896. In this regard, The Fisher House arguably is the birthplace of Korea's independence movement.

Comparison of House Folkore in China, Korea and Japan (중·한·일 세 나라의 주거민속 연구 -조왕(竈王)-)

  • Kim, kwang-on
    • Korean Journal of Heritage: History & Science
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    • v.34
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    • pp.172-195
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    • 2001
  • This research on the house folklore in China, Korea, and Japan is focusing on a kitchen God that is common in these three countries. This god originated in China and has subsequently influenced Korea and Japan. Today, all three countries use the same name of this kitchen god which is called Youngwang(竈王) as its name has been spelled in Chinese. In China, this kitchen god has been believed in two different ways. The Han people have developed their belief in Youngwang while another creed has been originated from other ethnic groups. Because of the particular house style with upper stories of ethnic groups in the southern and southeast areas of China, a kitchen fireplace is centered in the house. Han people in China also worship painted depictions of kitchen gods. And the ethnic groups believe it has three stone legs for a fire box. These differing beliefs has bad influenced on Korea and Japan. The kitchen god of Cheju island (off the south Korea coast) is believed to be almost the same as among the ethnic groups in China Interestingly, form of belief in the kitchen god in Okinawa (off the south coast of Japan) is almost identical as in the southern area of China Custom in China. Korea, and Japan regarding the kitchen god symbolized family values healing, initiating a new daughter-in-law to reveging the kitchen god, etc. are all the very similar. A fireplace and its fire are very important and, have many taboo, attached. Existing rich tales of kitchen gods are similar in the three countries. Moreover, people in the three countries, think that the clay or time plaster of the fireplace with bring good luck on New Year's eve. However, Korea kitchen god features one thing that is different from those China and Japan, that is that water symbolizes the kitchen god in Korea. A painted kitchen god as they are popular in China, has influenced only some Buddhist temples in Korea.

Benzo(a) pyrene Level in Indoor Environment due to the Use of Unvented Heating Facilities (煖房器具를 사용하는 室內空氣중의 벤조(a) 피렌 成分濃度에 관한 硏究)

  • 董宗仁
    • Journal of Korean Society for Atmospheric Environment
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    • v.3 no.1
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    • pp.65-73
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    • 1987
  • Indoor air pollution problems, in fact, have been neglected due to the unawareness of its seriousness and the lack of accumulated data. Recently, some movement of research and regulations, however, have been made for several indoor air pollutants. In this study, one of the carcinogenic polynuclear aromatic hyrocarbon, Benzo(a) pyrene in indoor airborne particulate, was measured and analyzed to estimate emission strength of BaP from an unvented kerosene heater and to know its level in indoor environment with use of a kerosene heater and a wood-burning fireplace. By the measurement of BaP level in a dark room with air exchange rate of app. 3.0, BaP emission strength of a kerosene heater (11,000Btu/hr) was estimated to be 326.6ng/hr (or 29.7 ng/$10^3$ Btu). With 4-hr operation a day of the kerosene heater in an apartment, the BaP level became 2.97ng/m$^3$ from 0.27ng/m$^3$ of background level. The operation of a wood-burning fireplace app. 2hr a day, on the other hand, increased the BaP level from 0.16ng/m$^3$ of background to 3.53ng/m$^3$. So proper ventilation must be considered seriously when unvented heating facilities are used in indoor environment.

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A Study on the Source Profile Development for Fine Particles (PM2.5) Emitted from Biomass Burning (Biomass-burning에서 배출되는 미세입자 (PM2.5)의 배출원 구성물질 성분비 개발에 관한 연구)

  • Kang, Byung-Wook;Lee, Hak-Sung
    • Journal of Korean Society for Atmospheric Environment
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    • v.28 no.4
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    • pp.384-395
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    • 2012
  • This study was performed to develop the source profiles for fine particles ($PM_{2.5}$) emitted from the biomass burning. The multi-method research strategy included a usage of combustion devices such as field burning, fireplace, and residential wood burning to burn rice straw, fallen leaves, pine tree, and oak tree. The data were collected from multiple sources and measured water-soluble ions, elements, elemental carbon (EC), and organic carbon (OC). From this study, it turned out that OC (34~67%) and EC (1.2~39%) are the major components emitted from biomass burning. In the case of burning rice straw at field burning, OC (66.6%) was the most abundant species, followed by EC (4.3%), $Cl^-$ (3.6%), Cl (2.1%), and $SO^{2-}_4$(1.9%). Burning rice straw, fallen leaves, pine tree, and oak tree at fireplace, the amount of OC was 58.5%, 52.7%, 52.5%, and 61.2%, and that of EC was 1.2%, 18.4%, 36.5%, and 2.7%, respectively. The ratio of OC for the burning of pine tree and oak tree from the residential wood burning device was 56.9% and 34.3%, and that of EC was 25% and 38.6%, respectively. Applying the measured data with respect to the proportion of components emitted from biomass burning to reference model, it turned out that self-diagnosed result was appropriate level, and the result based on the model is in highly corresponding to actual timing of biomass burning.