• 한국의류학회지
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• 제15권1호
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• pp.61-69
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• 1991

In order to investigate the comfort properties of aerobic wear with different materials, the physiological responses, subjective wear sensation and microclimate were measured. The experimental garment were all-in·one type with half·length sleeves made of cotton/ polyurethane and nylon/ polyhrethane fabrics. The conditions of the experimental room were controlled to maintain two type of environ- ments, i.e. $25{\pm}1^{\circ}C$, $60{\pm}5\%$ R. H. and $30{\pm}1^{\circ}C$, $70{\pm}5\%$ R.H., Air velocity was maintained at 0.25 misec all the time. The results are as follows; 1) At $25^{\circ}C$, mean skin temperature and comfort sensation were not significantly different among 2 types of materials. 2) At $30^{\circ}C$, aerobic wear made of cotton/polyurethane fibers showed better pleasant tactile sensation than that of nylon/polyurethane fibers. 3) Under both environmental conditions, microclimate of two types of aerobic wear was not significantly different. 4) Among several aspects of wear sensations, tactile sensation was the most powerful factor to differenciate material differences of aerobic wear.

• 한국의류학회지
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• 제24권5호
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• pp.714-723
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• 2000

The purpose of this study is to develop functional and sensible brassiere for middle-aged women. As a methodology, engineering design process, especially, QFD(Quality Function Deployment) was adopted to translate consumer's needs into product design parameters. Wearing tests of commercial brassiere were performed for the development o subjective measurement scale. The environmental condition was controlled at 28$\pm$1$^{\circ}C$, 65$\pm$3%RH. As results, subjective measurement scale and dimension for the evaluation of sensible brassiere were extracted from factor analysis. Four factors were fitting, aesthetic property, pressure sensation, displacement of brassiere due to movement. Regression equations with the subjective evaluation descriptors were developed for the prediction of wearing comfort of brassiere. (R2=.82) The most critical design parameter was wire-related property and second one was stretchability of main material of brassiere. Also, wearing comfort of brassiere was affected by the interaction of initial stretchability of wing and support of strap.

• 한국의류학회지
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• 제19권1호
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• pp.57-70
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• 1995

The purpose of this study was to identify clothing behavior of elderly women and compare the clothing behavior by different types of lifestyle among females aged 50~69. A questionnaire was developed to measure the clothing behavior, lifestyle and demographic characteristics. The questionnaire was administered to 445 females aged 50~69 during february and May of 1994. Data were analyzed by using factor analysis, cluster analysis, ann MANOVA. The results of this study were as follows; 1. The lifestyle factors were derived: they were Economics oriented, Leisure oriented, Traditional family oriented, Consumption oriented, Self-confidence oriented, and Independence oriented. The respondents were categorized into five groups such as Conservatives, Independents, Pleasure seekers, Positivists, and Material seekers. 2. Symbolism, interest, aesthetics and management showed significant differences in different lifestyle groups. 3. Comfort, modesty, and approval showed significant differences in age and family lifestage. Dependence, management, comfort, modesty, and approval showed significant differences in marital status. Aesthetics, comfort, dependence, interest, modesty, and symbolism showed significant differences in educational level and the money they can spend on clothes in one month.

• 복식
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• 제51권6호
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• pp.39-51
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• 2001

The purpose of this study is to offer basic data to manufacture superior girdle, by finding out wearing effect and wearing comfort after select high-functional Girdle and usual girdle on the market, and by analyzing the features of superior girdle in wearing effect and comfort. The results of this research are as follows : 1. As a result of surveying on the wearing feeling of girdle, the tightening effect of high-functional girdle was high. In particular. high-functional long type girdle was excellent as for tightening thigh, but usual girdle was excellent as for general comfortable feeling. In the Questions for comparison and evaluation, the frequency of high-functional long type girdle was highest. 2. As a result of examining the wearing comfort and effect of girdle by each type, the wearing effect of high-functional long type girdle was superior, and the wearing feeling of high-functional long type girdle was higher relatively than that of other types. But, from questions on comfortable feeling, the wearing feeling of usual long type girdle was superior. Generally, the wearing feeling and effect of high-functional long type girdle were superior, since the abdomen was pressed by high-waist type hard material and increased functionality such as attaching treatment to support hip and double treatment to tighten a thigh.

• 한국의류학회지
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• 제43권5호
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• pp.742-752
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• 2019

This study analyzes the type of subjectivity of married women who have experienced pregnancy and childbirth. It also provides basic data on clothing development that can provide satisfaction to the physical comfort and appearance of pregnant women by understanding the conditions necessary for maternity wear design. This study used Q methodology. The type of recognition for maternity wear was classified into three types and explained 90.88% of total variance. Type 1 was comfort and activities style-oriented. They preferred the A-line shape with a size adjustable style and elastic material. In addition, they preferred designs using details such as wrinkles. Type 2 was a fitted body and modern style-oriented. It was analyzed that they prefer a pants style that is close to the body in a simple and modern style of monotone. Type 3 held a lot of space and was cute style-oriented. They preferred cute dress style along with a maternity suit that could cover the hip and abdomen. Maternity wear design is necessary to develop various designs considering preferences because it is classified into types that emphasize comfort, types that emphasize modernity that is close to the body, and styles that emhasize cute styles.

• Advances in concrete construction
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• 제14권3호
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• pp.215-225
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• 2022

Thermal comfort and energy conservation are critical issues in the building sector. Energy consumption in the building sector should be reduced whilst enhancing the thermal comfort of occupants. Concrete is the most widely used construction material in buildings. Its thermal conductivity (k-value) has a direct effect on thermal comfort perception. This study aims to find the optimum value of replacing the normal aggregate with lightweight expanded clay aggregate (LECA) under high strengths and low thermal conductivity, density and water absorption. The k-value of the LECA concrete and its physical and mechanical properties have varying correlations. Results indicate that the oven-dry density, compressive strength, splitting tensile strength and k-value of concrete decrease when normal coarse aggregates are replaced with LECA. However, water absorption (initial and final) increases. Thermal conductivity and the physical and mechanical properties have a strong correlation. The statistical optimisation of the experimental data shows that the 39% replacement of normal coarse aggregate by LECA is the optimum value for maximising the compressive and splitting tensile strengths whilst maintaining the k-value, density and water absorption at a minimum.

• 한국정밀공학회:학술대회논문집
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• 한국정밀공학회 2000년도 추계학술대회 논문집
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• pp.110-113
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• 2000

In general, speed control method of the elevator system has used motor pole change type or motor primary voltage control type. But it will change to vector control type in order to increase it's reliability, riding comfort and decrease material cost. It is the conception of vector control type in order to increase it's reliability, riding comfort and decrease material cost. It is the conception of vector control that primary current of the induction motor be controlled independently with magnetizing current(field current of DC motor) and torque current(armature current of DC motor). In this paper, by analyzing the effect of the time constant variation of rotor of the induction motor on the slip frequency type indirect vector control, a drive system for the motor will be constructed using a fuzzy slip frequency type indirect vector controller with fuzzy control method for estimating the vector time constant in the slip frequency type indirect vector control. The goal of this study is to enabling even more efficient speed control by constructing on elevator driver based on the newly developed drive system.

• 한국의류학회지
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• 제9권2호
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• pp.57-65
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• 1985

In the experiment with a basic material for the design of summer wear that comfort can be obtained in temperature, to get individual differences, clothing styles (slacks, skirt), material differences(T/C, cotton), and the contrast between when naked and dressed, when two healthy females were dressed four kinds of summer wear as an object of experiment under the regular warm temperature environmental condition (24, 28, 32, $36^{\circ}C$, $60\pm10\%$ RH), the measurement of physiological, phychological change was taken and the result goes as follow; 1. Mean skin temperature rose by clothing, body weight loss decreased below $32^{\circ}C$, thermal sensation changed toward low temperature by $2\~3^{\circ}C$. 2. Mean skin temperature, body weight loss, the lowest blood pressure above $32^{\circ}C$, under-clothing temperature, and thermal sensation increased when in slacks to be compared with when in skirt. 3. Ambient temperature had a great effect on mean skin temperature, body weight loss, respiration, clothing surface temperature, under-clothing temperature and humidity, thermal sensation, etc. 4. It was admitted that pulse, thermal sensation, comfort show different individuality. 5. It was recognized that the lowest blood pressure, clothing surface temperature, under. clothing humidity differ according to the kinds of clothing. 6. A comfortable ambient temperature in clothing summer wear was about $27\~28^{\circ}C$.

• 한국생활과학회지
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• 제15권5호
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• pp.783-790
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• 2006

The purposes of this study are to analyze shopmasters' knowledge of apparel merchandise and textile recognition and to investigate the effects of demographic variables on them. Shopmasters' knowledge of apparel merchandise was analyzed on a factor basis. Four factors of apparel merchandise were fashion property, material property, function property and management property. The textile knowledge level of shopmasters was 72.44%. Considering each part of textile knowledge, basic property was 74.69%, comfort 72.17%, management 68.36% and finishing 77.33%. The level of recognition in finishing area was the highest and the level of recognition in management area was the lowest. There were significant differences in the textile knowledge by gender and working period. Female's textile knowledge level was higher. The longer the working period is, the higher the level of textile knowledge is. Shopmasters recognized the finishing area better than university students did. But both of the groups didn't recognize the management area well.

• KIEAE Journal
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• 제9권2호
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• pp.53-58
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• 2009

There are increasing developments and uses of functional building materials are recently developed and introduced to the test method for the materials. Especially, moisture problem has a major role are also being established in indoor air quality problems. The purpose of this study is to evaluate the water vapour adsorption/desorption property of a ceiling material. The variation of the temperature and moisture were measured with the application materials by mock up test based on JIS 1470-1. The result shows that water vapour adsorption/desorption property of ceiling material is appeared in changes of moisture adsorption and desorption in comparison with that of a general ceiling material. Therefore, in case of decreasing and increasing in humidity, these materials can be used as an finishing material to sustain comfort condition.