• Title/Summary/Keyword: cool summer

Search Result 164, Processing Time 0.031 seconds

A Study on the Clothing Composition to the Comfortable Clothing Climate; Clothing Weights and Thermal Sensation( I ) (쾌적한 의복기후를 위한 피복구성에 관한 연구 ( I ) -착의양과 한서감각을 중심으로-)

  • Park Woo Mee;Lee Soon Won
    • Journal of the Korean Society of Clothing and Textiles
    • /
    • v.7 no.1
    • /
    • pp.37-43
    • /
    • 1983
  • The objective of the study is to obtain the basic data to establish the standard value of proper clothing weights in the change of thermal environment. For the purpose of this research, clothing weight and thermal sensation have been collected from 160 college student in Seoul and Kwangju area in April, July, October. Results are as follows : 1. Subjects were in Comfortable condition, particularly in Spring and Autumn. But in summer they were in warm condition and the case were reversed in winter when they were under cool condition. 2. The frequency of comfortable thermal sensation were low below 16.5 degree, above 27.5 degree, and were high between 16.5 degree and 23 degree on room temperature. 3. Generally, the positive correlation were found between clothing weights and thermal sensation. 4. Clothing weights and thermal comfort were as follows. Season : Spring, Autumn, Room Temperature(${\circ}C$) : 16.3$\~$23, Clothing Weights($g/m^2$) : 589.9$\~$750.6, Season : Summer Room Temperature(${\circ}C$) : 27$\~$32, Clothing Weights($g/m^2$) : 362.4$\~$432.5, Season : Winter, Room Temperature(${\circ}C$) : 12.5$\~$19.3, Clothing Weights($g/m^2$) : 913.7$\~$1206.2

  • PDF

Fluctuation Characteristic of Temperature and Salinity in Coastal Waters around Jeju Island (제주도 연안 천해역의 수온 · 염분 변동 특성)

  • KO Jun-Cheol;KIM Jun-Teck;KIM Sang-Hyun;RHO Hong-Kil
    • Korean Journal of Fisheries and Aquatic Sciences
    • /
    • v.36 no.3
    • /
    • pp.306-316
    • /
    • 2003
  • We conducted a time-series analysis of temperature and salinity of sea water around Jeju Island, Korea. Monthly mean temperature and salinity was influenced by precipitation and weather conditions on Jeju as well as by oceanographic conditions of the open sea such as the Tsushima Warm Current and sea water in coastal areas. Salinity of Jeju coastal waters was the highest in April, and it was always over 34.00 psu with tiny fluctuation between December and June. Due to the effects of the Tsushima Warm Current, Jeju coastal waters maintained high salinity and stability. Low salinity and its large fluctuations during summer were closely associated with the China Coastal Water and precipitation in Jeju. The place of the lowest water temperature was the northeast coasts of Jeju (Gimneong, Hado, Jongdalri). In winter, as warmer water of the Tsushima Warm Current appeared in western area of Jeju dwindled flowing along the northern coasts of Jeju area and becoming cool, the lowest water temperature often appeared locally in Gimnyeong and its vicinitly in summer. The Tsushima Warm Current flows into the east entrance of Jeju Strait, but its influence is weak because of geometry and strong vertical mixing due to fast tidal currents.

A Study on the Actual Conditions and Responses of New Han-ok Inhabitants through Questionnaire - Focused in Jeonnam Province - (신한옥 주거 만족도 실태조사 연구 - 전라남도를 중심으로 -)

  • Song, Min-Jeong;Jang, Hyeon-Chung;Lee, Tai-Gang;Lee, Ju-Yeob;Kim, Sun-Woo
    • KIEAE Journal
    • /
    • v.13 no.2
    • /
    • pp.3-12
    • /
    • 2013
  • Recently, New Han-ok is in prevail because it has many good qualities as a dwelling. But the New Han-ok dwellers' needs and satisfaction ratio on their houses are not investigated yet. So, surveys on satisfaction ratio for New Han-ok were carried out to know New Han-ok's existing conditions and inhabitant's responses on New Han-ok dwellings. Followings are results. 1) Dwellers response that it is cool in summer and it is cold in winter. So, design and construction method against cold is needed for New Han-ok. 2) Window is the most picking element of New Han-ok for house improvement. 3) Window opening is main control method for cooling in summer. Warming sources in winter are various such as electricity, gas, oil, wood, etc. 4) PVC window structure and glasses were used for New Han-ok's window system as well as wooden window structure and Han-gi. 5) Interviewees are generally satisfied with New Han-ok's exterior view and inner spaces. Almost no humidifier is used. These results could be used for improvement of Han-ok and basic material for New Han-ok design.

Analysis of Passive Cooling Effect of Membrane Shading Structure and the Tree by Field Observations in the Summer (하절기 복사환경 관측을 통한 수목과 일사차폐 막 구조물의 자연냉각효과)

  • Choi, Dong-Ho;Lee, Bu-Yong
    • Journal of the Korean Solar Energy Society
    • /
    • v.27 no.4
    • /
    • pp.137-146
    • /
    • 2007
  • This study is about the passive cooling effects of three outdoor solar shading facilities as trees, pergola with wistaria vine and membrane shading structure, which are expected to provide cool spots in the summer. Field observations of measuring thermal environment of selected facilities is executed. Thermal environment measuring was categorized as short wave radiation, long wave radiation, net radiation, globe temperature, surface temperature measured by infrared camera. Heat transfer mechanism is analyzed with overall data from field measurement. Results from this study are as below; 1) Radiation balance measured on shaded surface under membrane shading structure was 17%($86W/m^2$) of the unshaded surface radiation balance($511W/m^2$). 2) Surface temperature comparison between vegetation and membrane of the shading structure is performed at 3 o'clock in the afternoon. Surface temperature of vegetation was same as air temperature and that of membrane was $5^{\circ}C$ higher than air temperature. Vegetation transpiration is considered as the causing factor which make those differences. 3) Results from this study could be used as fundamental data for reducing heat island phenomena and continuos research on this subject would be needed.

${\ll}$황제내경소문(黃帝內經素問).사기조신대논(四氣調神大論)${\gg}$ 주석서(注釋書)의 비교분석연구(比較分析硏究)

  • Lee Yong-Beom;Kim Seong-Hwan
    • Journal of Korean Medical classics
    • /
    • v.13 no.1
    • /
    • pp.184-232
    • /
    • 2000
  • The trend of the concept for modern medicine is gradually forwarding to preventive medicine from therapeutic medical science. One of the most remarkable characteristics of oriental medicine is that it attaches greater importance to preventive medicine scientifically. The basic theory of oriental medicine principally takes roots in Huang Di Nei Jing and it is Si Qi Tian Shen Da Lun that is deep-rooted in the principle of "growing life" grounded in theory of unity of heaven and man of oriental medicine. Therefore having translated annotation of 〈Si Qi Tian Shen Da Lun·Huang Di Nei Jing Su Wen〉 which is quoted frequently and using it for appendix and comparing each views of annotators, I would like to state the results of dissertation as below. 1. Si Qi Tian Shen of title of the paper means that it keeps our health and prevent diseases in advance to control our mind and rhythm of life to the change of Yin and Yang - that is, the grower Yin, the looser Yang - following four seasons of nature environment. 2. The summary of this dissertation is that spring means things newly sprout from old ones, things become profuse, beautiful and brilliant in the summer. Autumn stands for things is harvested and allocated evenly and finally things is closed and stored. That is, in the spring and summer. If one break this principle of growth, diseases are followed after this. Therefore an excellent physician should handle diseases before they are attacked not remedy them after outbreak of diseases. It is said that a sage governs the nation before it is put into confusion. 3. These four terms standing for each season describe definitely and realistically rural life in the agricultural environment, in other words, spouting in spring, growing in summer, harvesting in autumn, storing in winter. Going with the current of the times, they have developed to theoretical concept of getting, growth, harvest, store so that implied the principle of growth for four seasons. 4. It means in a concrete way "Yang would grow in the spring and summer and Yin would grow in autumn and winter" as follow. That is, when the day is long, things act energetically and emit the warmth of life and expand the vigor of growth. On the other hand, when the night is long, things lessen their activity to protect the warmth of life and to preserve the sprit of growth. In addition, we should be concerned about the work outward and try to concretely fulfill plan of business in spring and summer. It is in autumn and winter when we should grow Yin. It does not mean that we simply grow cold yin in our body to build Yin. But according to annotators, for example, Wang Bing stated that we need to make things be cool in spring and summer, and be warm in autumn and winter for improvement. Zhang Jie Bin noted that things should not be cold in spring and summer and not be too hot to improve in autumn and winter. Those principles theorized to unify physiological status into the principle of changing of Yang and Yin in the nature and enriched the contents. In these principles, no problems are not found logically somewhat.

  • PDF

Studies on the soil - erosion- control effect of underground growth of several grasses used to rodside vegetation (도로비탈면 녹화에 사용되는 주요 초목식물의 지하부 생육이 토양안정에 미치는 효과에 관한 연구)

  • 김남춘
    • Journal of the Korean Institute of Landscape Architecture
    • /
    • v.18 no.2
    • /
    • pp.45-55
    • /
    • 1990
  • This study describes on the erosion control effects of the several grasses and its mixtures for the man-made slopes. The grasses used for this experiment include cool-season grasses such as Festuca rubra L. (Creeping redfescue), Poa pratensis L. (Kentucky bluegrass), Lolium perenne L. (Perenial ryegrass), Lolium multiflorum LAM. (Italian ryegrass), Festuca arundinacea Schrel. (Tall fescue), and warm-season grasses such as Eragrostis curvula Schrad. (Weeping lovegrass), Zoysia japonica Steud. (Zoysiass) and native plants (Artemisia princeps var. orientalis Hara, Lespedeza cuneata G. Don, Arundinella hirta var. ciliata K.) This study was conducted at Dan-kook University from April, 1988 to Octover, 1989. The results are summurized as follows; 1.Cool-season grasses covered the ground quickly in early stage, and weekened slowly during sumer season. Warm-season grasses and native-plants covered the ground slowly in early stage, but during summer season they grew vigorously, so outweighed cool season grasses. 2. The amount of aboveground growth of weeping locearass and underground growth of Artemisia prinoepts are quite differant from others. Since Arumdinella hirta has deep root system, it is thought to very useful protection of unstable for hrdro-seeding. Because cool-season grasses are useful for quick coverage, and native plants or warm-season grow well during summer season with the better compatability to weeds. 3.Mixture III(cool-season and warm-season grasses), mixtureIV(native spp. and Italian ruegrass), and mixtureV(native spp.) resulted in better control of erosion control on man-made slopes. Native spp. has equivallent capacity of erosion control compared to several foreign grasses.

  • PDF

A Study on Fashion Design of Silver Age -Focused on Elderly Women's Clothing Design Preference : An Application of Delphi Method- (실버패션디자인 연구 - 노년여성의 의복디자인선호도를 중심으로: 델파이법의 적용 -)

  • Chang, An-Hua
    • Fashion & Textile Research Journal
    • /
    • v.7 no.6
    • /
    • pp.577-584
    • /
    • 2005
  • The aims of this study are primary data offer to silver fashion enterprise. In order to deduce design from diverse needs of silver generation, this study is required expert knowledge. For this purpose, this study applied two rounded Delphi method in which 31 experts. As a result, the following findings were obtained; From the previous studies, we found the physical changes of women in silver generation; i.e. the size of their waist and abdomen gets larger, their breasts are sagging, their limbs are thinner, upper body is bending, their height and weight get shorter and lighter. Their choice criterion of design of clothing is hide their weak points in body, youthfulness, moderate, and fashion style. Youthful design but patterns should agree with their body line so that they should be easily fit and look young. They like a jacket and pants set best regardless of spring or summer and as upper garment, they like semi fit, as pants, they prefer straight line of ankle length, and as skirts, partial elastic band and pleats, and the length of the skirts just cover their knees. This pattern in choosing their clothes represents they consider functionality as well as the aesthetics. Their preferred color for spring is lt/pink, lt/violet lt/green for summer, white and blue. Their preferred materials are wool/poly/spandex and cotton/spandex for functionality for spring, and for summer, linen poly and cotton poly seersucker for cool feeling and stability. In both top and bottom item, solid pattern follows small one in their preference on patterns, which shows that they are in pursuit of an elegant style. Our research based on this survey tries to establish what the fashion design for the silver generation should take into consideration.

Hot and cool temperature control of the car-seat utilizing the thermoelectric device

  • Choi, Hyung-Sik;Kim, You-Shin;Woo, Jung-Jae;Jeon, Chang-Hoon
    • 제어로봇시스템학회:학술대회논문집
    • /
    • 2003.10a
    • /
    • pp.1816-1821
    • /
    • 2003
  • The thermoelectric device was applied to a car-seat to control the hot temperature in summer and cold temperature in the winter. The characteristics of the device used to a car-seat were analyzed. The air conditioning structure was designed to regulate the hot side of the thermoelectric device. To control the temperature of the car-seat, a robust control algorithm based on the sliding mode control was applied, and a controller using one-chip microprocessor was developed. The performance of the proposed controller through experiments was shown.

  • PDF

Hot and Cool Temperature Control of the Car-Seat Utilizing the Thermoelectric Device (열전소자를 이용한 카시트의 냉ㆍ난방 제어)

  • Choi, Hyeung-Sik;Kim, You-Shin;Jeon, hang-Hoon;Yun, Sang-Kook
    • Transactions of the Korean Society of Mechanical Engineers B
    • /
    • v.28 no.5
    • /
    • pp.518-525
    • /
    • 2004
  • The thermoelectric device was applied to a car seat to control the hot temperature in the summer and cold temperature in the winter. The characteristics of the device used to a car seat were analyzed. The air conditioning structure was designed to regulate the hot side of the thermoelectric device. To control the temperature of the car seat, a robust control algorithm based on the sliding mode control was applied, and a controller using one-chip microprocessor was developed. The performance of the proposed controller through experiments was shown.

Similarity in Regional Distribution of Cool Summer Events between Korea and Japan

  • Hayashi, Y.;Toritani, H.;Goto, S.;Kanno, H.;Jung, Y.S.;Hwang, S.J.;Kim, H.D.;Lee, J.T.;Yun, J.I.
    • Proceedings of The Korean Society of Agricultural and Forest Meteorology Conference
    • /
    • 2001.06a
    • /
    • pp.39-42
    • /
    • 2001
  • There is general agreement that the mean land-surface air temperature of the Earth has increased by about 0.6 over the past century (Vinnikov et al., 1990; Jones, 1994). However, IPCC concluded in 1996 that the observed warming was "broadly consistent with predictions of climate models, but it was also the same magnitude as natural climate variability".(omitted).(omitted)

  • PDF