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유량에 따른 대기압 유전체 전위장벽방전(DBD) 플라즈마 젯 발생에 관한 연구
정병호,Byeong-Ho Jeong 대한산업경영학회 2023 산업융합연구 Vol.21 No.7
The bullet shape of the plasma jet using the atmospheric-pressure dielectric barrier discharge method changes depending on the applied fluid rate and the intensity of the electric field. This changes appear as a difference in spectral distribution due to a difference in density of the DBD plasma jet. It is an important factor in utilizing the plasma device that difference between the occurrence of active species and the intensity through the analysis of the spectrum of the generated plasma jet. In this paper, a plasma jet generator of the atmospheric pressure volume DBD method using Ar gas was make a prototype in accordance with the proposed design method. The characteristics jet fluid rate analysis of Ar gas was accomplished through simulation to determine the dependence of flow rate for the generation of plasma jets, and the characteristics of plasma jets using spectrometers were analyzed in the prototype system to generate optimal plasma jet bullet shapes through MFC flow control. Through the design method of the proposed system, the method of establishing the optimal plasma jet characteristics in the device and the results of active species on the EOS were verified.
50kW급 계통연계형 태양광발전시스템의 시뮬레이터 구현
정병호,박정민,조금배,백형래,정수복,Jeong, Byeong-Ho,Park, Jeong-Min,Cho, Geum-Bae,Baek, Hyung-Lae,Chung, Soo-Bok 한국태양에너지학회 2005 한국태양에너지학회 논문집 Vol.25 No.4
This paper summarizes the results of these efforts by offering a photovoltaic system structure in 50kW middle scale applications installed in Cho-sun University dormitory roof. The combination of photovoltaic system components are interconnected and system monitoring system will be summarized for the purpose of the increasing safety in this article. This paper describes configuration of utility interactive photovoltaic system which generated electric power supplies to dormitory. In order to installing the middle or large scale photovoltaic system, It must investigated the optimal design of system, compute quantity of power generation, economic rate of return and so on. In this paper represent 50kW utility photovoltaic system examination and developed simulation results. The performance of photovoltaic system has been evaluated and analyzed with simulation. The results obtained in this research will be much useful to prior investigation for installing utility interactive photovoltaic system.
정병호,임화영,Jeong Byung-ho,Yim Hwa-young 한국통신학회 2005 韓國通信學會論文誌 Vol.30 No.5B
전화망의 설비 제공에 따른 상호 정산 방식은 원가를 기반으로 하여 체계적이고 합리적으로 정착되어 있다. 기술의 발전으로 통신서비스는 음성과 데이터, 유선과 무선, 통신과 방송 등 다양한 산업 분야간을 결합하여 제공되고 있다. 따라서 광대역 통합 네트워크에서는 새로운 정산 방식이 필요하다. 본 고에서는 광대역 통신망에서 사업자간 상호 정산의 방법으로, 접속 대역속도와 전송거리 요소를 이용하여 접속 원가를 산정하는 방법을 제시하였다. 또한 광대역통합망의 계층별로 설비비용 가중치를 반영하여 다양한 서비스들에 대한 정산을 쉽게 하였다. 광대역통합망의 정산 모형으로서, 사업자간에 상호 접속 및 정산을 접속대역 속도계수와 이용거리계수로 표본화하여 효과적으로 반영하고자 하였다. In the traditional telephone services, the settlement method for usage of facilities has been systematically and reasonably arranged based on the cost. Through the advanced technology, the telecommunication services such as the convergence of voice-data, wire-wireless, communication-broadcasting, etc are offering. So, new settlement method in the broadband convergence network (BCN) should be necessary. This paper suggests inter-companies settlement method in the broadband network using interconnection bandwidth and transmission distance factor. By reflecting the facility cost weight on each BCN level, the cost settlement for various services can be easily done. As the settlement model for BCN, the inter-companies interconnection and settlement can be normalized by interconnection bandwidth and transmission distance factors.
사이버쇼핑몰을 위한 웹기반 구매 의사결정지원시스템의 개발
정병호,김우주,두계웅,이근열,양필수,Jeong, Byung-Ho,Kim, Woo-Ju,Doo, Kye-Woong,Lee, Keun-Ryul,Yang, Pil-Su 한국경영정보학회 2003 Asia Pacific Journal of Information Systems Vol.13 No.2
As E-commerce is getting more popular, consumers faces more decision complexity than ever before because they can get greater alternative choices. Futhermore, consumers are sometimes motivated to expand effort in making a good decision in the case of relatively important and non-routine decison, such as buying a house or car. Thus, a buying decision support function is required to help consumers make decisions that have the greatest effects on consumer's lives. We develop a propotype system of a web-based buying decision support system for a cyber shopping mall. A buying decision of a consumer is a multi-attribute decision problem and is supported using analytic hierarchy process model. The system was implemented using HTML, Java, Java applet, JSP.