• 유체기계공업학회:학술대회논문집
• /
• 2004.12a
• /
• pp.385-389
• /
• 2004

Test facilities for the wind turbine performance monitoring and mechanical load measurements are installed in Vestas 100 kW wind turbine in Wollyong test site, Jeju island. The monitoring system consists of Garrad-Hassan T-MON system, telemetry system for blade load measurement, various sensors such as anemometer, wind vane, strain gauge, power meter, and etc. The experimental procedure for the measurement of wind turbine loads, such as edgewise(lead-lag) bending moment, flapwise bending moment, and tower base bending moment, has been established. Strain gauges are on-site calibrated against load cell prior to monitoring the wind turbine loads. Using the established monitoring system, the wind turbine is remotely monitored. From the measured load data, the load analysis has been performed to obtain the load power spectral density and the fatigue load spectra of the wind turbine.

• Journal of the Korean Solar Energy Society
• /
• v.32 no.4
• /
• pp.82-89
• /
• 2012

This study is on the thermal flow analysis to select an optimal shape of solar lamp bank. Solar Lamp bank is designed by the lamp bank design program based on point light source theory. The reliability of the program for lamp bank design is verified through irradiance variation experiments of a kind of lamp according to horizontal distance. Solar lamp bank facilitates heat distribution and satisfies the irradiance in the three wave length which test guidelines require. Among the 4 kinds of lamp bank, since lamp bank type D satisfies uniformity ${\pm}10%$ and also doesn't exceed total irradiance 1,232 $W/m^2$, type D is finally selected.

• The Research Journal of the Costume Culture
• /
• v.8 no.1
• /
• pp.1-14
• /
• 2000

The purposed of this was (1) to investigate the beliefs, attitudes and buying intention of well-known brand apparel among female college students, and (2) to identify the factors that might distinguish those who have high intention to purchase well-known brand apparel and those who have low intention in terms of individual characteristics and social influence. The data were collected trough questionnaire from random samples of 291 female college students. Statical analysis of factor analysis, χ²-test, t-test and multiple discriminant were performed in analyzing the data. 1. 63% of 291 respondents investigated were identified as having high intention to buy well-known brand apparel. 2. Those who have high intention to buy well-known brand apparel have significantly higher beliefs on well-known brand apparel. 3. Those who have high intention to buy well-known brand apparel have significantly more favorable attitude toward buying well-known brand apparel. 4. Two groups of high intention and low intention to buy well-known brand apparel have significantly different profiles in terms of social influences, values, personality and demographic variables.

• Journal of Korean Clinical Nursing Research
• /
• v.23 no.1
• /
• pp.1-8
• /
• 2017

Purpose: The purpose of this study was to provide basic data required to improve nursing resources management and nurse organizations. Methods: The data were collected using a questionnaire. Participants were 294 nurses who were working at 8 hospitals with more than 500 beds located in G and C cities, Korea. Data analysis was done using t-test, ANOVA, $Scheff{\acute{e}}$ test, Pearson correlation coefficient and stepwise multiple regression analysis with SPSS. Results: There were significant correlations between self-leadership, clinical competence, job satisfaction and job involvement. Factors affecting job involvement were job satisfaction, self-leadership, length of clinical career and length of career in current department. Job satisfaction was the most influential factor with an explanatory power of 41%. Conclusion: Findings show that to strengthen job involvement, identification and management of factors that affect job satisfaction and self-leadership are required and relevant training and strategies should be developed and used.

• Journal of the Korean Home Economics Association
• /
• v.42 no.9
• /
• pp.67-83
• /
• 2004

The purpose of this study were, (1) to analyze the effect of the selected variables on urban housewives' family resource management attitude and behavior, and (2) to identify the casual effects of variables on family resource management behavior. A sample of 641 was selected from housewives living in urban area. For data analysis, one-way ANOVA, DMR test, t-test, multiple regression, and path analysis were used. The major findings were as follows: 1. The housewives' family resource management behavior level was lower than their attitude level. 2. The family resource management attitude and behavior among the respondents were affected by the following independent variables : interest with environmental reports and newspapers, perception of time constraints, perception of economic reward. 3. The family resource management attitude had the greatest causal effect on the family resource management behavior.

• Journal of the Korean Home Economics Association
• /
• v.41 no.12
• /
• pp.169-186
• /
• 2003

The purpose of this study were (1) to examine the level of housewives' pro- environmental behavior, and (2) to analyze the effect of the selected variables on pro-environmental behavior 941 sample were selected from housewives living in urban area. For the analysis of data, frequencies, means, one-way ANOVA, DMR test, Chi-square test, and multiple regression analysis were used. The major findings were as follows：1. The level of housewives' pro-environmental behavior was lower than that of pro-environmental attitude. 2. The level of housewives' pro-environmental behavior was mainly affected by their environment-related variables, for example, pro-environmental attitude, and experience of environmental education. Most of socio-demographic variables and family-related variables didn't have significant effects on the level of pro-environmental behavior.

• Culinary science and hospitality research
• /
• v.13 no.4
• /
• pp.31-44
• /
• 2007

The verified results of this study on the selected study assignments are as follows: Brand awareness of the western-style family restaurants in both study assignment One and Two is examined by showing and comparing the restaurants ranked from first to third. The ranking is based on the survey response rate only. And the familiarity of family restaurants' logos is investigated by statistical techniques such as T-test Anova, Duncan's Multiple Range Test, etc. Firstly, the analytical result of study assignment One shows that the brand awareness of the family restaurants can vary depending on how often customers use the restaurants. Secondly, the analytical result of study assignment Two shows that the familiarity and the preference of the restaurants ranked from first to third are identical each other depending on customers' sex, marital status, and income. Besides, the result shows that the brand awareness shows different rankings depending on customers' age, educational background, and occupation. Thirdly, the analytical result of study assignment Three indicates that the familiarity is different depending on customers' age, educational background, occupation, and annual income.

• Proceedings of the KSME Conference
• /
• 2004.04a
• /
• pp.432-437
• /
• 2004

KAERI has contrived 16 kinds of spacer grid shapes of its own since 1997 and applied for domestic and foreign patents. To date, KAERI has obtained US and ROK patents for 11 kinds of spacer grid shapes among them and the others are under review in USA, EC, China, and ROK. In this study, detailed performance analysis and test on two spacer grid shapes that are assumed to be the most effective candidates for the spacer grid of the next generation nuclear fuel in Korea was carried out. The result has shown that the performances of the candidates are better or not worse than those of the current spacer grid.

• The Korean Journal of Rehabilitation Nursing
• /
• v.13 no.2
• /
• pp.123-131
• /
• 2010

Purpose: This study was aimed at identifying the levels of parenting stress among mothers of children with cerebral palsy and factors influencing parenting stress. Method: The research design was cross-sectional survey. Data were collected from 122 mothers of hospitalized children (under 15 years of age) with cerebral palsy at the Y medical center using the questionnaires. The data were analyzed using one way analysis of variance with Scheffe test for post-hoc analysis or t-test, Pearson correlation, and stepwise multiple regression. Results: The mean score of parenting stress was 2.52 (SD=0.79; range: 1~4). The father's participation, mother's parenting hours, self-esteem and social support were significant predictors of parenting stress, significantly accounting for the 33.3% variance (F=16.118, p<.001). Conclusion: It is essential for health professionals to consider the aforementioned four factors when developing interventions to reduce parenting stress for mothers of children with cerebral palsy.

• The International Journal of Costume Culture
• /
• v.3 no.2
• /
• pp.147-160
• /
• 2000

The purposes of the present study were to investigate the factors of consumer dissatisfaction with backpacks and to examine if the levels of dissatisfaction with the factors differ significantly among the groups determined by demographic characteristics and purchase behaviors. The differences in the purchase behaviors of backpacks were also tested among the groups determined by demographic characteristics. Data collection was consisted of two pilot tests and the final test. The questionnaire was distributed to 40 students of universities in Seoul from July 1 to 13 in 2000 and 351 were usable. Data were analyzed by factor analysis, t-test, χ²analysis, MANOVA, ANAOVA, Duncan's multiple range tests using SPSS PC/sup +/ Program. Five factors were formulated : durability, ease-of-care/color fastness, dimensional stability, wearability and design. Subjects were most dissatisfied with the dimensional stability of backpacks. Different demographic characteristics and purchase behaviors resulted in significantly different levels of dissatisfaction with selected factors. Significant differences were also found in selected selection criteria and purchase behaviors among groups determined by some demographic characteristics.