• Journal of the Korean Society of Costume
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• v.62 no.1
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• pp.137-151
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• 2012

The purpose of this study was to examine how recently fashion brands tried to design Facebook contents for their promotion strategies, and how to encourage customer's empathy and participation for communication content. For this study, 17 domestic and foreign fashion brand facebook contents were analyzed. The results of the study were as follows. First, fashion brands provided product information through various methods such as the Facebook fan styling pictures contest which attracted voluntary participation from fans, an emotional product introduction video with effective storytelling techniques, and pictures and videos of a new season collection that were always viewable and able to be evaluated. Secondly, Facebook contents of brand promotion that contributed to the brand image and loyalty formation were identified. Fashion brands encouraged their fans to be involved in socially-oriented marketing and brand community. Moreover, telling the story of the brand history and brand management enhanced brand involvement of fans. Finally, fashion brands communicated actively with their fans providing information that aroused their interest. They gave tips on how to improve the quality of life, provided useful applications that offered various benefits in everyday life. Based on this result, implications of Facebook contents management as a promotion strategy were further discussed.

• Fire Science and Engineering
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• v.22 no.1
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• pp.61-67
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• 2008

This study is focused on the numerical predictions of heat and smoke exhaust characteristics in an underground subway station stopping a fire train. Various ventilation operating modes with the fan equipped the platform and tunnels are considered. Distributions of temperature, carbon monoxide and visibility at a height of 1.7 m(breath height) above the platform are analysed for different ventilation fan operation mode. The numerical results show that smoke and heat is rapidly removed through tunnel by operating the tunnels fans. We suggested that during evacuation of passengers is not completed, the ventilation system in the platform is activated. After completion of passenger evacuation tunnel fans are activated but the fans in the platform are stopped.

• The KSFM Journal of Fluid Machinery
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• v.2 no.1 s.2
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• pp.96-102
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• 1999

Cross flow fans are used in various applications, especially in industrial ventilation applications and in room air conditioners, due to their superior performance characteristics. Unlike radial and/or axial fans, the design of cross flow fans have been mostly based on earlier experiences and experiments. In the present study, numerical computations of flow fields through a cross flow fan used in room air conditioner are performed to investigate the detailed flow fields and to study the effect of the blade shape on performance curves to aid better design of the fan. Despite some discrepancies between the two results, it is seen from the present study that the computational results agree quite well with the qualitative experimental results. It is also shown from the present study that by having a different shape of blade, it is possible to achieve about $15\%$ increase in flow rates. The stimulating results of the present study can be used in the design of high performance cross flow fans with the use of optimal design algorithm and experimental verifications.

• Journal of Sport and Applied Science
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• v.8 no.2
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• pp.1-12
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• 2024

Purpose: The purpose of this study is to understand fans' perception of the MLS. Particularly, this study investigates both the avid fan's perception of the MLS as well as the same perception in a potentially larger audience. This study aims at (1) segmenting the findings into three groups, (2) understanding the characteristics of these groups from the sport marketing prospective and (3) comparing the three groups to see whether there are any similarities and differences. Research design, data, and methodology: Using motivational factors alongside the 4P's of marketing, these three segments were analyzed and their similarities and differences were compared. An online survey was created and distributed through different MLS databases. Results: Prior to the distribution, a few hypotheses were made regarding the motivational factors of fans; specifically, that the quality of play has led to a lack of interest in the league and that the presence of star athletes has the potential to bring in more fans for the league. The quality of play and star athletes are important and thus a bigger emphasis needs to be placed on the designated player rule. At the same time, more television coverage as well as more exhibition games with international teams can generate more buzz for the league and garner more fans. Conclusions: This study explored motivational factors which support fanship of Major League Soccer. Further implications were discussed.

• International journal of advanced smart convergence
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• v.13 no.3
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• pp.243-252
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• 2024

The purpose of this study is to investigate the structural relationship between authenticity, club trust, club attitude, and club loyalty of e-sports professional clubs. To achieve the purpose of the study, data were collected from 260 e-sports fans. Sampling was performed using the convenience sampling method, and the completion of the questionnaire was made to respond with the self-administration. Among the collected data, 255 copies were used by adopting the final analysis data, excluding 5 copies of the data judged to be difficult to use. Data processing was performed by using SPSS 27.0. In order to verify the centralized validity and discriminant validity of the measurement items, a confirmatory factor analysis was performed using AMOS 23.0, and the hypothesis was verified using structural equation model analysis. The results were as follows. First, it was found that among the sub-factors of the authenticity of e-sports clubs, truth and effort had a significant effect on club trust. Second, it was found that club trust had a significant effect on club attitude. Third, it was found that club trust had a significant effect on club loyalty. Fourth, it was found that club attitude had a significant effect on club loyalty. The results of this study show that if e-sports clubs operate sincerely, fans' trust in the club increases. In addition, it can be seen that the higher the trust, the more positive the fans' attitude toward the club is, affecting the loyalty of the fans.

• The Journal of the Korea Contents Association
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• v.14 no.6
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• pp.328-338
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• 2014

Nowadays idol pop singers are popular with teenagers and adult. Accordingly idol pop singers take a picture of advertisement. because idol pop singers have a lot of fans who are willing to use advertising products. The purpose of the present study examined causes of idol worship and differences of causes of idol worship between in idol fans' 10's and 20's. And this article investigated idol fans' intention to purchase the merchandises advertised by idol. The result showed that idol's features, idol's evaluation, idol's ways of expression, romanticization of the idol had significant effect on idol worship. And there were no significant differences of idol worship between in idol fans' 10's and 20's. Also these causes of idol worship affected on Idol fans' intention to purchase the merchandises advertised by idol. In other words, idol worship was partially mediated the positive relation between by causes of idol worship and intention to purchase the merchandises.

• Journal of the Korean Society of Hazard Mitigation
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• v.8 no.3
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• pp.37-42
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• 2008

This study is focused on the numerical predictions for different smoke-control ventilation modes for the subway fire. Smoke-control ventilation mode in the domestic platform is that exhausting for the smoke detected zones while supplying air or stopping any ventilation for other zones in the platform. Three cases of smoke control ventilation modes are considered. First and second case are present running smoke control mode in Korea. The third is that smoke-control ventilation fans equipped in the platform are operated in first 4 minute(platform evacuation time, NFPA130) since then the fans equipped in the platform are stopped and the fans equipped in the tunnels are operated. Distributions of heat, carbon monoxide and visible range are compared at a height of 1.7m(passenger breath/sight height) above the platform. The numerical results show that air supply fan operation in the platform causes the smoke disturbance and a rapid spread of the smoke. The switch-operation with fans in both the platform and tunnel are better than operation with only platform fans in smoke rejection efficiency.

• Proceedings of the KSME Conference
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• 2007.05b
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• pp.2597-2602
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• 2007

In this paper, the performance analysis is experimentally carried out in order to select the best cooling fan and shroud considering both cooling performance and noise reduction. 4 cooling fans have been tested in the fan tester and the real excavator. In order to obtain the performance of the cooling fans, flow capacity has been estimated by measuring flow velocity using a hot wire anemometer, and noise radiation has been also measured to estimate the fan noise. Characteristics of a box-type and a streamlined shroud have been examined by changing the immersion depth of cooling fans. Based upon the results, the best cooling fan is selected. Finally, the criterion to select the best cooling fan has been set up.

• Journal of Power System Engineering
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• v.13 no.4
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• pp.31-37
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• 2009

The purpose of this numerical study was to investigate performance characteristics for cooling tower axial fans with sweep. Performance data for the fans with various sweep angles were obtained in terms of the setting angle at a constant flow rate. Viscous flow calculations were carried out to obtain Performance data of the total pressure rise and hydraulic efficiency. A solution of the Ffowcs Williams-Hawkings equations was used to calculate the sound pressure level at three times fan diameter away from the fan. The calculated performance data well represented performance characteristics of the cooling tower axial fan. The total pressure rise and hydraulic efficiency at the same setting angle decreased with sweep angle. Sound pressure level slightly decreased for the fan with a sweep angle of 10 degree. No significant effect of the sweep geometry was found on the sound pressure level.

• Journal of computational fluids engineering
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• v.8 no.4
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• pp.50-57
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• 2003

Cross-flow fans are widely used in various applications, due to their large capacity of mass flow and size compactness. The flow field of the cross-flow fan is, however, complex and has many design parameters. Thus, the general design guide has not been sufficiently established yet and the design strategies of cross-flow fans have been mostly based on experiments. In the present study, the performance and their two-dimensional flow characteristics are numerically analyzed by using the STAR-CD(commercial computational fluid dynamics code). The simulation is done by varying the several design parameters such as the impeller blade shapes and the gap between the stabilizer and impeller. The computational results are compared with the experimental data at the fan outlet region. Finally, some helpful guides for the optimum design of cross-flow fans are proposed.