• Digital Contents
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• no.7 s.146
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• pp.66-71
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• 2005

교육(Education)과 오락(Entertainment)의 합성어인 에듀테인먼트(Edutainment)는 학생이 학습을 하거나 기업의 종업원이 특정 능력을 익히는 데 사용되는 교육용 도구를 의미한다. 에듀테인먼트는 교육용 소프트웨어에 게임이나 친근한 인물과 음악, 이야기 등 오락성을 가미해 싫증을 느끼지 않고 즐기면서 교육적 효과를 거두고자 하는 목표를 지향하고 있다. 이러한 재미와 교육이라는 두가지 목표를 달성하기 위해 에듀테인먼트에 포함되는 디지털콘텐츠는 게임이나 e러닝의 콘텐츠와는 다른 차원의스토리텔링 기법이 요구된다. 이번호에서는 에듀테인먼트 콘텐츠에 적합한 퀘스트 스토리텔링(Quest Story telling)과 공간 스토리텔링(Spatial Storytelling)을 소개한다.

• Educational Technology International
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• v.10 no.1
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• pp.1-23
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• 2009

Learners are often posited in a paradoxical situation where they are not fully involved in decision making processes on how to learn, in designing their tools. Cognitive artifacts in e-learning are supposed to effectively support learner-centered e-learning. The purpose of the study is to analyze cases of cognitive artifacts and to inquire those design principles for facilitating the learner-centered e-learning. Four research questions are suggested: First, it will be analyzed the characteristics of learners with respect to design of cognitive artifacts for supporting the learner-centered e-learning. Second, characteristics of four cases to design cognitive artifacts in learner-centered e-learning environment are analyzed. Third, it will be suggested the appropriate design principles of cognitive artifacts to facilitating learner-centered learning in e-learning environment. Four cases of cognitive artifacts design in learner-centered e-learning was identified as follows: Wiki software as cognitive artifacts in computer-supported collaborative learning; 'Play Around Network (PAN)' as cognitive artifact to monitor learning activities in knowledge community; Knowledge Forum System (KFS) as a cognitive artifact in knowledge building; cognitive artifacts in Courses-as-seeds applied meta-design. Five design principles are concluded as follows: Promoting externalization of cognitive artifacts to private media; Helping learners to initiate their learning processes; Encouraging learners to make connections with other learners' knowledge building and their cognitive artifacts; Promoting monitoring of participants' contributions in collaborative knowledge building; Supporting learners to design their cognitive artifacts.

• Bulletin of the Korean Chemical Society
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• v.35 no.1
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• pp.87-92
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• 2014

The work is directed toward the synthesis of a series of DO3A conjugates of tranexamates (1c-e) and their Gd complexes (2c-e) for use as a liver-specific MRI CA. All these complexes show thermodynamic and kinetic stabilities comparable to those of structurally related clinical agents such as Dotarem$^{(R)}$. Their $R_1$ relaxivities also compare well with those of commercial agent, ranging 3.68-4.84 $mM^{-1}s^{-1}$. In vivo MR images of mice with 2a-e reveal that only 2a exhibits liver-specificity. Although 2b and 2c show strong enhancement in liver, yet no bile-excretion is observed to be termed as a liver-specific agent. The rest behaves much like ordinary ECF CAs like Dotarem$^{(R)}$. The new series possess no toxicity to be employed in vivo.

• Korean Journal of Air-Conditioning and Refrigeration Engineering
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• v.22 no.4
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• pp.189-196
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• 2010

U-factor and solar heat gain coefficient(SHGC) usually can be used as the index to evaluate the thermal performance. U-factor is a concept for heat loss by the temperature difference between inside and outside, so it's useful to be applied in heating season. But SHGC that indicates the fraction of heat from incident solar radiation that flows through a window by means of optical transmission, as well as absorption, re-radiation and convection is for cooling season. In other words, U-factor and SHGC of windows by cities have to be reflected to select the window of the energy conservation. The purpose of this research is to analyze the energy use impacts by SHGCs of windows for detached house in Inchon and Ulsan through energy simulation by eQUEST.

• Korean Institute of Interior Design Journal
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• no.3
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• pp.71-77
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• 1994

The purpose of this study is to investigate the utilization of the interior environment in hotel lobby and to grasp the requests of visitors. The significance of the study is to illustrate the present characters of hotel lobby and to offer the basic data for future hotel projects. The materials for this study has been collected through questionnaires garnered from six deluxe hotels in Cheju, and statistically analyzed by the semantic differential scale of L. E. Osgood. The conclusion of this study as follows . 1) Hotel lobby is used as waiting space for a short time and frequent use is four times a day. The lobby is used by the quest for meeting , waiting as a resting place while it serves as the visitor's meeting and resting place. 2) The user prefers the lobby's open space. It is desirable for the area of activity of a quests and visitors to have separate entrances. The space composition of the lobby is centrally located between the room and subsidiary equipment. The hotel lobby has needed of a method which promotes lobby image through a magnificent view of the outside.

• Journal of the Korean Solar Energy Society
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• v.29 no.2
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• pp.14-21
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• 2009

Recently, alternative energy resources have emerged considerably due to the high oil prices and environment problems. Deep sea water that is one of the natural energy sources can be one of the attractive solutions to reduce the environment problems, and there are already a few examples in some developed countries. In this study, cooling system of deep sea water using heat exchangers of two hotels, located in near Haeundae Bay in Busan, have been analyzed on the quantity of electricity and gas use comparison between existing cooling system and deep seawater cooling system by using E-Quest simulation program. The results of the study showed that the Hotel A approximately saves 370 millions won per year, and the Hotel B saves 248 millions won per year. It means that the cooling system by using deep sea water has great worth to reduce the ratio of fuel sources.

• International Journal of Fluid Machinery and Systems
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• v.3 no.4
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• pp.301-308
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• 2010

Quest for reliability of hydraulic runners is a concern for all mature electricity producers. The fatigue damage caused by dynamics loads is frequently the root cause of runner failure. This paper presents the damage tolerance approach based on fracture mechanics as the method chosen by Alstom and Hydro-Qu$\acute{e}$bec to predict effects of damage on runner lifetime and consequently to be use as a design method. This is sustained by a research on fracture mechanics properties of runner materials and by recommendations on the strategy to define a safety margin for design. The acquired knowledge permits to identify potential improvement of the runner lifetime without significant cost increase, like being more specific on some chemical composition or heat treatment.

• Lettere Italiane
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• no.27
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• pp.155-169
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• 2009

Al centro dell'interesse di Strehler ci sono sempre l'uomo e le sue azioni, e l'uomo e la posizione del teatro. Inoltre, nei suoi teatri vengono alla luce i rapporti che interessano l'uomo e la societa', l'uomo e se stesso, l'uomo e la storia, l'uomo e la politica. Strehler interpreta sempre i testi prendendo in considerazione la contemporaneita' e completa la rappresentazione strutturandola in un sistema implacabilmente coerente di segni scrulolosi. Poiche' le sue opere, anche se le stesse, sono rappresentate ogni volta con significati diversi a secondo del tempo, non si tratta soltanto di rivivere le opere, ma di metterle in scena in nuove versioni che hanno significati che interpretano i cambiamenti avvenuti. Questo e' anche il caso de I giganti della montagna. Nella prima regia di quest'opera, Strehler cerca di mettere in evidenza una concreta e generale storia umana attraverso il mito, e un messaggio che è al tempo stesso di disperazione e di fede nell'uomo. Un messaggio di perdono e di pietà. Pietà per tutti. Nella seconda regia, egli incarna, attraverso il vuoto dell'immobilita' e il silenzio, la vita della poesia. Cerca di rappresentare l'estremo degli effetti scenici attraverso la minima mobilita' in una scena immobile, e attraverso il massimo grido di dolore in una scena di silenzio. E anche i personaggi sono divisi in due diverse categorie. 'Gli scalognati', che creano 'teatro puro' non per un pubblico ma per puro giuoco, e 'la compagnia dei comici', che crea 'teatro rappresentato' che implica la possibilita' dell'interprete condizionato dai rischi, dagli errori di valutazione e d'interpretazione e che resta legato ad una realta' concreta. Attraverso questo contrasto egli vuole esprimere "il timore che nonostante tanta "rivoluzione" giovanile intorno, il cammino della societa' degli uomini verso l'abbandono di alti ideali e valori, fosse accelerato e quasi ineluttabile". Nella terza regia, i due mondi si incontrano in uno spazio dove realta' e sogno si confondono. Non sono piu' contrapposti. E' come "una tragica contestazione che i Giganti hanno vinto e che ci hanno, consapevoli o inconsapevoli, travolti, che non siamo piu gli stessi, che stiamo precipitando". Ma egli non dispera, benche' rappresenti la condizione tragica, dice al pubblico di "comunicare in silenzio la reciprocita' delle sconfitte. al di la' delle parole che non esistono".

• Korean Journal of Construction Engineering and Management
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• v.10 no.4
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• pp.111-118
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• 2009

This study is to analyze the performance of SWH(Solar Water Heating) and GSHP(Ground Source Heat Pump) systems by evaluating their energy efficiency and LCC(Life Cycle Cost) as being applied to the OO hall as a selected building in the Army. The OO hall, used as bathrooms, dining rooms, accommodations and offices, has reinforced concrete structure system with three floors above the ground and one underground, and its total floor area is approximately 2,917$m^2$. Two energy simulations are conducted to predict the yearly cooling and heating energy of the selected building: One is for analysis of an air-conditioning energy consumption using the e-Quest program, and another is for two new-renewable energy facilities as a water heating source using the RETScreen. The installed capacity of two new-renewable energy facilities is determined according to the 5% level of total standard construction cost. As a briefly result, SWH system is more energy-effective than GSHP system. Considering the break-even point, it is expected that SWH can take only 3 years 11 months to pay for itself in savings while the investment of GSHP can be recovered in more than 16 years 6 months.

• Korean Journal of Air-Conditioning and Refrigeration Engineering
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• v.26 no.10
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• pp.481-485
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• 2014

Low solar gain glazing should be applied on windows in order to reduce the solar radiation load. In a country where a cooling and a heating load coexist throughout the year, such as in Korea, a high solar gain glazing is need to reduce the heating load, but a low solar gain glazing should be applied to reduce the cooling load. Recently, dynamic windows have been developed for which the solar shading performance switches according to the amount of solar radiation flowing into the indoor space through the glazing, and these have been used in building to solve such problems. The purpose of this research is to analyze the energy performance of the electrochromic glazing for dynamic windows that has been extensively commercialized for office buildings in Incheon and Ulsan through an energy simulation implemented in the eQUEST program.