In the case of the general helicopter among rotorcraft, length of the rotor blade for thrust-generation is longer than that of fuselage and tail rotor is required in order to compensate moment of the fuselage. For those reasons, enough space for take-off and landing should be secured and an accessibility for building is low. Also, the accidents caused by tail rotor occur frequently. However, the case of counter-rotating has merits that tail rotor is unnecessary as well as length of the rotor blade can be shortened but has a weakness that the weight of body is increased. In the present study, aerodynamic force measurement on single rotor system equipped with NACA0012 airfoil, which has aspect ratio of 6 and chord length of 35.5 mm, was carried out. And measurement was conducted with blade which has a half size of the former blade by using single motor counter-rotating. Aerodynamic force measurement was acquired by using 6-component balances and coefficients of thrust and power were derived along the pitch angle varying from 0$^{\circ}$ to 90$^{\circ}$ with the increment of 10$^{\circ}$. Those aerodynamic force data will be utilized for the design and production of brand-new counter-rotating rotor blade system which has same thrust with single blade system and provides a good accessibility to building by reducing its blade length.
The Journal of Asian Finance, Economics and Business
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v.4
no.1
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pp.79-86
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2017
With the increasing trend of popularity of websites and social networking sites, it is quite evident that companies need to take cautionary measures in protecting the reputations with respect to company and brands. In this process, every company should indulge in enhancing their company and brand image through websites and social networking sites that fortify the bonding nature among them. The always-on nature of websites and social networking sites has contributed to their phenomenal marketing power and altered the balance of power between consumers and firms. Websites and social networks are used by hundreds of millions of people to communicate about a huge range of topics, including personal interests, activities, social events and even public issues. The paper explores a case study of the Ritz-Carlton hotel for their marketing strategy and organizational use of their website and social media in communicating with their customers. Even for the normal luxury traveler who would not have previously used the Internet to research a hotel or make a reservation, ritzcarlton.com is making it possible for them to do so in a sense of the luxury and typical Ritz-Carlton style. It seems to be a staple of the company for years to come.
As environmental friendly energy system, distributed micro gasturbine is focused on new energy source for overcoming brand new construction area of power generation. This distributed micro gasturbine system has the powerful characteristics as belows; 1) environmental friendly features NOx < 9 ppm, noise < 65 db 2) various fuel flexbility which is used such as natural gas, diesel, low calory new & renewable fuel, kerosene. 3) high specific output power based on small area and is avilable for very easy and compact installation. There are many new installation sites in USA and Japan from 1998. On the other hand the exhisting large power system was constructued by the sea side, this compact power system is now installed by enduser in downtown area and supplying combined heat & power, has the various apllication on-site power generation. In recently, there is the very important issue for new & reliablbe energy development and spreading out. This paper represent as belows for important system characteristics; 1) grid connection modeling 2) system operation characteristics 3) on-site operation result and evaluation output of power quality analysis.
Journal of the Korean Society of Clothing and Textiles
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v.35
no.1
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pp.77-88
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2011
This study examines the fashion and beauty involvement according to a conspicuous consumption tendency. Questionnaires were used for female university students in their 20s and employees residing in Busan. The results of this study are as follows: The subfactors of conspicuous consumption tendency were divided into the individual pursuit orientation, brand orientation, high price orientation, and fashion pursuit orientation. The subfactors of fashion involvement were composed of physical supplementations, social symbols, outward appearance direction, sex appeal, and assimilation; in addition, those of beauty involvement consisted of hair design, skin management, make-up application, and shape management. Because of the examination of the differences, fashion involvement, and beauty involvement, conspicuous consumption tendency had a significant difference between the two groups in brand orientation, fashion in physical supplementation and outward appearance direction as well as beauty involvement in skin management and make-up direction. The conspicuous consumption tendency in the student influences the fashion pursuit orientation of fashion and beauty involvement because of the examination of the effect. Conspicuous consumption tendency in employees influences the individuality pursuing orientation and high price orientation in fashion involvement. In conclusion, the results show the tendency that university students put the most importance on fashion for fashion and beauty related product purchases and management direction; in addition, employees with income pursue high prices that can show their positions and economic power at work.
Purpose - Domestic franchise market has been grown steadily, reaching 50 trillion won in sales and 3,360 franchise headquarters in 2014. A franchise system is an effective business system for the franchisees to lower the failure rate due to the fact that the inexperienced entrepreneurs are supported by their headquarters through the franchisee contract. However, there are also conflicts between franchiser and franchisee behind the quantitative growth of domestic franchise industry. Therefore, it is very important to structure the causes of conflicts and to examine the effect of factors on the relationship commitment and performances. Research design, data, and methodology - In this study, the author divides the composite incompatibility between the franchise and the franchisee into goal incongruity, domain dissensus, and perceptual differences, and examines each dimension to the relationship with commitment and performances. To verify the proposed research model and test hypotheses, the author selected 200 franchise responses in food and beverage industry. The data were analyzed using SPSS 18.0 and AMOS structural equation modeling program. Results - The empirical findings provide goal incongruity and perceptual differences have a negative effect on the affective commitment, but not the calculative commitment. In addition, affective commitment and calculative commitment are found to have a positive effect on re-contractual intention and extended brand shop running intention, respectively. Affective commitment have a stronger effect on re-contractual intention than calculative commitment. Conclusions - First of all, the fact that goal incongruity and perceptual differences negatively affect the affective commitment, but it does not affect the calculative commitment. It means the relationship commitment in distribution channel are multi-dimensional concept that may be attributed to emotional or affective dimensions but may exist in terms of necessity or power-dependence. Second, the level of relationship commitment such as affective and calculative commitment to franchise headquarters positively affects the re-contractual intention and franchiser's extend brand shop running intention suggest that franchiser should encourage and support existing franchisee's commitment. Third, the fact that affective commitment has a greater effect on relationship performance than calculative commitment means to induce franchisee's affective commitment and to prevent the inconsistency between goals and perceptual differences.
The purpose of this study is to review Hanliu phenomenon, a kind of social and cultural phenomenon, in China and to analyze its effects on the fashion style of new young generation of China. In this study, Hanliu phenomenon means the enthusiasm of Asian people for Korean mass culture including Korean dramas, pop songs, and fashions from late 1990s. This research adopts two kinds of methods for analyzing the phenomenon: qualitative and quantitative research methods. As a qualitative research method, we analyzed it with several sources of documentaries and audio-visual materials: articles from newspapers and magazines, special TV reports, and documentary movie files from Internet. As a quantitative research method, we surveyed approximately 100 female students of Beijing university and asked how they feel Korean culture and fashions. The Hanliu phenomenon led to the popularity of Korean products as well as general culture of Korea. Also, it influenced Chinese young generation so much that Korean fashion has become prevailing. Such influence on the street fashion of Chinese youths can be summarized in three factors as follows: First, Korean entertainers' fashion is widely imitated. For example, H.O.T-like hairstyles, hip-hop styles, large heel shoes with boots-cut pants, and long-curled permanent hairstyles have been on among Chinese youths. Second, the preference for Korean fashion products has highly increased. The number of stores dealing with Korean fashion products has increased. Even the 'Kim Hee Seen,' a fashion brand named after a famous Korean actress, was introduced. Finally, Korean culture and products have widely been imitated in China as much as the increasing popularity of Korean fashion products. This study reveals that Hanliu phenomenon is widespread in China, and Chinese youths are largely affected by the fashion styles of Korean entertainers. Also, Korean fashion products are largely imitated and benchmarked in China. Hanliu phenomenon is a big chance to approach the fashion market of China, the largest buying power in the world. To make inroads into the Chinese fashion market, we suggest that we need to have our own brand and to make the most of culture, stars, and Internet in marketing. Also, we need a well-planned strategy for a success in the Chinese fashion market.
Fashion cultural products represents cultural trend, and they are produced a lot in Korea to express the Korean culture and style. They are also tools that embody images of Korea. This study mainly focuses on the Korean traditional-patterned ornaments as fashion cultural products. Therefore, this study aims at developing a framework of consumers' attitudes and consumption behaviors about Korean traditional-patterned ornaments, examining how the characteristics are changed according to shopping orientation. For this purpose, a quantitative survey was carried out using 455 questionnaires from women in their 20s and over. The data were analyzed using frequency analysis, factor analysis, t-test, ANOVA, cluster analysis, and $x^2$-test. Findings of this study were as follows. First, half of the respondents were found to possess Korean traditional-patterned ornaments. However, consumers had positive attitudes and tend to purchase them for their own use rather than gifts, demonstrating that the potential for the market is large enough. Second, in accordance with their shopping orientation, consumers were sub-divided into four groups: trend/brand oriented, practicality/pleasure oriented, convenience oriented, and passive shoppers. The trend/brand oriented group showed highest levels of preference regarding purchase intentions of Korean traditional-patterned ornaments. This group also showed the strongest purchasing power on fashion items among the four groups. Third, this study presented animal, plant, geometric and abstract patterns to the respondents to examine their attitudes. It was found that consumers prefered plant-patterned ornaments rather than the others, demonstrating that they have stronger preference and purchase intention toward ornaments with more natural images.
Journal of Korea Entertainment Industry Association
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v.13
no.3
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pp.333-342
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2019
The purpose of this study is to compare and analyze the cases of the multiplex cinema industry of CJ CGV, Lotte Cinema and Megabox to study what CJ CGV's innovative core competence is from a management strategy perspective. Through this, the core competence strategies, Value, Rareness, Inimitability, and Organization(VRIO) were analyzed in order to derive from the major success factors based on the expansion process of Cultureplex. According to the analysis results, CJ CGV's differentiated value roots from Cultureplex, which CJ CGV priorities in creating movie theaters a cultural entertainment hub. The ability of CJ CGV in transforming the cinema into a cultural and living playground through technological innovation is it's cutting edge from its competitors under the rareness factor. A CJ CGV attains its inimitability by establishing social brand power as an inclusive social contribution. An organization of CJ CGV is a globalization worldwide. CJ CGV is to increase the brand value of cultural experience movie theaters and enhance customer satisfaction by expanding the use of existing movie theaters and pioneering with innovative development to theaters. As more to be sought out from this thesis, CJ CGV has steadily increased its competitive edge, raising its core competence of business value.
Journal of the Korean Society of Clothing and Textiles
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v.24
no.5
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pp.760-771
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2000
The main objective of this study were to develop the scale for measuring service quality and to identify the differences of service quality among apparel store types(department store, fashion specialty store and national brand independent store). Data were collected from 463 subjects who finished their shopping with a self-administered questionnaire. The results were as follows; 1. As a result of factor analysis, seven dimensions were identified for service quality: VMD, store atmosphere, pleasant enviornment, product assortment, store policy, salesperson's assurance, and salesperson's responsiveness dimensions. The first five dimensions and the last two dimensions were corresponded to store service and sales service respectively. Those dimensions explained 56.56% of service quality. Especially the salesperson's assurance had the most explaining power. 2. The fashion specially store was evaluated as the highest in five dimensions of store service, whereas the department store was evaluated as the lowest in the pleasant environment dimension. 3. Store policy, salesperson's assurance, store atmosphere, and VMD dimensions explained 38% of store satisfaction.
The purposes of this study were to explain consumer attitude, expenses and satisfaction of mobile-phone Users. The data of this study used from Pollever.com. This study was satisfaction of mobile-phone users in Korea. The users were consumers of Samsung, LG, SK-Telecom and Pantack. The critical success factor was on the subside for mobile-phone in the growth of mobile service, which we can analyze in its positive effects. Fifty percent of consumers were unsatisfaction with local companies without Samsung. Now most of local mobile-companies will developed music-phone, high-tec camera-phone, hi-slim phone, and health-phone. But, the results of this study are as fallow: Most of consumer' main issues were design, weight, and brand power. It was in that it played the driving force to upgrade the local mobile-phone services into international level with the explosive growth in business by providing cheap phones.
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