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SNS를 활용한 시청자 참여 프로그램과 방송사 온라인서비스 이용의 상관관계 분석
김형곤(Hyunggon Kim),유홍식(Hongsik Yu),신동희(Dong-Hee Shin) 한국정보사회학회 2017 정보사회와 미디어 Vol.18 No.1
모바일 미디어 서비스의 발달로 인해 TV콘텐츠의 이용행태가 급격하게 변화하고 있다. 특히 SNS, 실시간방송, VOD 등 온라인 미디어 시장이 급성장하면서 방송사들은 온라인서비스를 접목한 프로그램 포맷을 개발하기 위해 다양한 시도를 하는 중이다. 본 연구는 SNS를 활용해 시청자를 방송에 참여시키는 포맷의 프로그램이 방송사 온라인 서비스 이용에 어떠한 영향을 미치는지를 파악하는데 목적을 두고, 아리랑TV의 <After School Club>에 대한 사례연구를 시행하였다. 연구 결과 구글의 SNS인 ‘행아웃’을 통해 〈After School Club〉 프로그램에 참여하고자 하는 사람이 많을수록 아리랑TV의 온라인 실시간방송 서비스, 즉 홈페이지 웹캐스팅, 유튜브 · 유스트림 등 외부 플랫폼, 안드로이드 · iOS 계열 모바일 애플리케이션의 이용량이 증가하는 것으로 나타났다. 또 홈페이지 VOD와 게시판 이용에 있어서는 시청자 참여가 없는 기존 프로그램들에 비해 더 높은 결과가 나타났다. 결론적으로, SNS를 활용해 시청자 참여를 유도하는 포맷의 프로그램이 방송사의 온라인 서비스 이용 활성화에 상당히 기여할 수 있다고 할 수 있다. 이러한 연구결과를 볼 때, 방송사업자들에게 앞으로 SNS를 더 적극적으로 방송에 활용해야 할 필요성이 제기된다. 특히 작은 규모의 채널들은 기존의 방송시장에서 벗어나 온라인 미디어 시장에 대한 과감한 도전이 필요하며, 이때 온라인 플랫폼과 프로그램을 함께 기획하고 제작해 나가면 더 높은 성과를 기대할 수 있을 것이다. The advancement of mobile media service has rapidly changed how people use the contents provided through TV. Especially as the markets for on-line media, such as the SNS, live streaming, VOD, etc., are experiencing a skyrocketing growth, the broadcasting stations are making various attempts to develop a format which adopts the on-line services. This study aims at identifying how the TV programs which uses the SNS to encourage the viewers to participate therein impact the use of broadcasting station’s on-line services, and studied the case of ‘After School Club’ aired on Arirang TV. This study was able to identify that the greater the number of viewers who wished to participate in ‘After School Club’ through Hangout, the SNS offered by Google, the greater the traffic became in the real-time, on-line broadcasting services of Arirang TV, such as the webcasting on the station’s website, the external platforms (Youtube, Ustream, etc.) and the mobile applications on mobile OS (Android and iOS). Also, regarding the use of VOD and bulletin board offered by Arirang TV’s website, the degree of viewer participation related to ‘After School Club’ was higher than those of other programs which did not invite the viewers for participation. In conclusion, it seemed that the TV programs that invite their viewers to participate through SNS can significantly contribute to vitalize the use of their broadcasting station’s on-line services. The result of this study shows that the broadcasting stations must engage SNS more actively in their TV programs in the future. The smaller stations especially need to grow out of the existing broadcasting market and make bold challenges with regard to the on-line media. When they do so, they will be able to anticipate greater results if they plan and produce their programs together with the on-line platforms.
김형곤(Hyunggon Kim),김재덕(Jaeduk Kim),적무림(Zhai Maolin),정재연(Jaeyoun Jung),송규근(Kyu-Keun Song) 한국자동차공학회 2012 한국자동차공학회 지부 학술대회 논문집 Vol.2012 No.5-2
Investigation of atomization characteristics between kerosene and vegetable oil spray was carried out. Kerosene and vegetable oil spray are produced by effervescent atomizer with separated air chamber in this study. To examine microscopic atomization characteristics including drop size distribution and SMD, LDPA was employed. During the experiments, the volume flow rate of working fluids was kept constant at 0.1g/s, and the ALR was changed from 0.1 to 0.8. Experimental results showed that SMD is obtained under 40μm in the most of experimental conditions, regardless of working fluids type. Also, we could observe that SMD is increased but droplet is more uniform when we perform injection especially using vegetable oil as working fluid rather than kerosene.
기체주입미립화를 이용한 등유와 식물유 분무의 미립화특성 연구
김석곤(Seokgon Kim),김재덕(Jaeduk Kim),아이눌 구리(Ainul ghurri),송규근(Kyukeun Song),정재연(Jaeyoun Jung),김형곤(Hyunggon Kim) 대한기계학회 2009 대한기계학회 춘추학술대회 Vol.2009 No.11
Investigation of atomization characteristics between kerosene and vegetable oil spray was carried out. Kerosene and vegetable oil spray are produced by effervescent atomizer with separated air chamber in this study. To examine microscopic atomization characteristics including drop size distribution, cumulative volume fraction, span factor and SMD, LDPA was employed. During the experiments, the volume flow rate of working fluids was kept constant at 0.1g/s, and the ALR was changed from 0.1 to 0.8. Experimental results showed that SMD is obtained under 40㎛ in the most of experimental conditions, regardless of working fluids type. Also, we can observe that SMD is increased but droplet is more uniform when we perform injection especially using vegetable oil as working fluid rather than kerosene.
김상민(Sangmin Kim),송규근(Kyukeun Song),정재연(Jaeyeon Jung),심상철(Sangcherl Sim),김형곤(Hyunggon Kim) 한국항해항만학회 2008 한국항해항만학회 학술대회논문집 Vol.2008 No.공동학술
The using of diesel engine will be increased in the world for fuel economy. But diesel engine exhaust emission such as much NOx, smoke etc. In this study, Thís experiments were performed the spray characteristics of diesel spray in common-rail system according to fuel temperature, injection pressure, injector spray time and fuel viscosity etc. Diesel have different spray patten due to injection pressure and spray time in common-rail system. A Filter pressure is influenced by fuel temperature which is turned to fuel viscosity related to a fluid flowing. The effect of the bio-diesel fuel mixing ratio on the spray and atomization characteristics was also investigated at various experimental conditions. It shows that the droplet atomization characteristics of bio-diesel fuel show deteriorated results as the mixing ratio of biodiesel increased because of the high viscosity.
Common-Rail System하의 디젤 연료의 분무특성에 관한 실험적 연구
김상민(Sangmin Kim),송규근(Kyukeun Song),정재연(Jaeyeon Jung),심상철(Sangcherl Shim),김형곤(Hyunggon Kim) 한국자동차공학회 2007 한국자동차공학회 지부 학술대회 논문집 Vol.- No.-
in this study. This experiments were performed the spray characteristics of diesel spray in common-rail system according to fuel temperature, injection pressure and spray time etc. Diesel have different spray patten due to injection pressure and spray time in common-rail system. A Filter pressure is influenced by fuel temperature which is turned to fuel viscosity related to a fluid flowing.
Bi Fuel Injector를 이용한 등유와 식물유의 분무특성
김석곤(Seokgon Kim),송규근(Kyukuen Song),김형곤(Hyunggon Kim) 한국자동차공학회 2009 한국자동차공학회 학술대회 및 전시회 Vol.2009 No.11
This study is conducted to investigate spray characteristics using bi fuel injector. Bi fuel injector is device to simultaneously spray two types of working fluids having different properties. Effervescent atomizer with separated two aerator tubes is employed as bi fuel injector and vegetable oil and kerosene as working fluids in this study. Experimental parameters are mixing ratio and ALR, which represents mass fraction of vegetable oil in total working fluids and atomizing gas to working fluid mass flow ratio, respectively. In order to examine spray characteristics, spray angle, droplet size distribution, cumulative volume fraction, SMD and span factor are measured by high resolution video camera and LDPA. Experimental results show that slight deviations of spray angle are obtained through all mixing ratio and ALR. When only vegetable oil is sprayed as working fluid, deviation of span factor is small although droplet size is large.
김상민(Sangmin Kim),송규근(Kyukeun Song),정재연(Jaeyeon Jung),심상철(Sangcherl Sim),김형곤(Hyunggon Kim) 한국마린엔지니어링학회 2008 한국마린엔지니어링학회 학술대회 논문집 Vol.2008 No.-
The using of diesel engine will be increased in the world for fuel economy. But diesel engine exhaust emission such as much NOx, smoke etc. In this study. This experiments were performed the spray characteristics of diesel spray in common-rail system according to fuel temperature, injection pressure, injector spray time and fuel viscosity etc. Diesel have different spray patten due to injection pressure and spray time in common-rail system. A Filter pressure is influenced by fuel temperature which is turned to fuel viscosity related to a fluid flowing. The effect of the bio-diesel fuel mixing ratio on the spray and atomization characteristics was also investigated at various experimental conditions. It shows that the droplet atomization characteristics of bio-diesel fuel show deteriorated results as the mixing ratio of biodiesel increased because of the high viscosity.
김상민(Sangmin Kim),송규근(Kyueun Song),정재연(jaeyeon Jung),심상철(Sangcherl Sim),김형곤(Hyunggon Kim) 대한기계학회 2008 대한기계학회 춘추학술대회 Vol.2008 No.5
The using of diesel engine will be increased in the world for fuel economy. But diesel engine exhaust emission such as much NOx. smoke etc. In this study. This experiments were performed the spray characteristics of diesel spray in common-rail system according to fuel temperature, injection pressure, injector spray time and fuel viscosity etc. Diesel have different spray patten due to injection pressure and spray time in common-rail system. A Filter pressure is influenced by fuel temperature which is turned to fuel viscosity related to a fluid flowing. The effect of the bio-diesel fuel mixing ratio on the spray and atomization characteristics was also investigated at various experimental conditions. It shows that the droplet atomization characteristics of bio-diesel fuel show deteriorated results as the mixing ratio ofbiodiesel increased because of the high viscosity.