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이기형(Kihyung Lee),김용래(Yonglae Kim),배재일(Jaeil Bae) 한국자동차공학회 2004 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Recently, the international regulations about the exhaust emission of the motorcycle have been strengthened. In case of the motorcycle engines, the quantity of the exhaust emission is larger than that of the car because of the carburetor type fuel supply system, which can not control the A/F precisely. Therefore, the electrically controlled fuel injection type motorcycle has been emphasized to meet with this regulation. However, since the pulsation phenomenon happens in the intake port of the motorcycle because of the characteristic of high speed and the smaller layout than the passenger car driving condition, there are many difficulties to select the factor about control parameters needed to develop the ECU system. For addition, an air flow rate is the important basis parameter at the ECU system. In this paper, the pulsation values measured from the engine test were compared with the calculated value by WAVE, and we analyzed the intake pressure characteristic according to the driving condition. Finally, an air flow rate is estimated by simulation method.
An Activation plan of Korea Kimchi distribution Industry in the Chinese Kimchi Market
Soonja Kim,Kihyung Bae,Jae-Eun Lee 한국유통과학회 2018 유통과학연구 Vol.16 No.8
Purpose - To active the Korea kimchi distribution, this study aims to investigate the effect of Korea national image and kimchi image on kimchi purchase intention. this study suggest the strategies for kimchi export to China by examining how the Chinese perceptions of Korean kimchi. Research design, data, and methodology - For this study, empirical analysis was conducted based on survey results. A questionnaire was distributed to a total of 400 Chinese consumers. Of these, 280 were collected and 278 were used for statistical processing, excluding 2 that were found to be unsuitable for analysis. This study was performed by the regression analysis using the spss24 statistical program. Results - As a results, It was not significant that the Chinese consumers’ familiarity on the Korea image will have a positive effect on their kimchi purchase intention. On the other hand, the kimchi/Korean food image of Chinese consumers’ will increase their kimchi consumption experience. Conclusions - The Chinese consumers’ positive image on kimchi/Korean food in terms of the unique characteristics of kimchi, health aspects and preference of kimchi is positively influenced when they have higher image on Korea related to its national characteristics, and that of the higher image for Korea has a positive effect on kimchi purchase intention.
분사조건에 따른 커먼레일식 디젤 인젝터의 분사율 특성에 대한 연구
배명욱(Myungwook Bae),정재우(Jaewoo Chung),이기형(Kihyung Lee),이창석(Changsik Lee) 한국자동차공학회 2002 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2002 No.5_1
Extensive research is in progress to reduce both NOx and PM emissions from diesel engines due to environmental concerns. One of the emission reduction technologies is the high pressure common rail type injector. However, it is well known that it is difficult to reduce both NOx and PM production simultaneously by this injector. Recently, the high-pressure multiple injection can be effective to reduce both formation. Therefore, a studies about the injection rates are essentially needed in order to develop the common rail type high-pressure injector.<br/> Accordingly. in this study, injection rate meter which can be used to measure the injection rate of pilot injection is developed and the result obtained by this equipment compared with the traditional injection rate meter. From the results of the comparison, we found that the developed injection meter has the reliability. In addition, investigations on the injection rate characteristics of a common rail injector with various conditions were performed.
엔트로피 해석을 이용한 혼합연료비에 따른 GDI 인젝터의 거시적 분무 균일도 특성에 관한 연구
이창희(Changhee Lee),이기형(Kihyung Lee),배재일(JaeiI Bae),백승국(Sungkuk Baik),정재윤(Jaeyoon Jung) 한국자동차공학회 2002 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2002 No.5_1
In this study, we tried to provide the fundamental data for parameter which effects on the spray macroscopic characteristics with mixture ratio of diesel and gasoline. In addition. the mixture formation was analyzed by using entropy analysis. The entropy analysis is based on the concept of statistical entropy, and it identifies the degree of homogeneity in the fuel concentration. From the entropy analysis results we could find that the direct diffusion phenomena is a dominant factor in the formation of a homogeneous mixture at downstream of GDI spray especially in vaporizing conditions.
이욱철(Li, Xuzhe),이륭휘(Li, Longhui),배기형(Bae, Kihyung) 한국상품학회 2018 商品學硏究 Vol.36 No.2
Chinese household appliances have rapidly developed since the reform and opening up, and have become the center of home appliances production in the world. However, due to the development of the Chinese home appliance industry, the urban market is saturated and the development of the Chinese home appliance industry is gradually slowing down. Therefore, in this paper, Chinese home products have been facing problems such as competitive pressure with foreign global brands, lack of technology development, and dual market structure. Therefore, this paper aims at establishing measures to enhance the competitiveness of Chinese household appliances. For this purpose, we analyze SWOT model based on Chinese household appliances journals, theses, research reports and statistical data of China Bureau of Statistics. In order to strengthen the competitiveness of Chinese home appliance products, it is necessary to develop professional talent, strengthen management, improve A / S service, develop science and technology, and utilize FTA. This paper suggests ways to enhance the competitiveness of Chinese consumer electronics products, and it is also necessary to conduct empirical studies on brand and product categories of Chinese consumer electronics products in the future. 중국 가전 상품은 개혁개방 이후 빠르게 발전하여 세계의 가전 상품 생산 중심지로 되었다. 그러나 중국 가전산업의 발전에 따라 도시의 시장은 포화한 상태 나타나기 때문에 중국 가전산업의 발전 속도가 점차 느려지는 실정이다. 이에 본 논문은 중국 가정상품은 기술 개발의 부족, 외국 유명한 브랜드와 경쟁 압력, 독점문제, 이원화 시장 구조 등의 문제를 얻고 있다. 따라서 본 논문은 중국 가전 상품의 경쟁력을 강화 방안을 수립하는데 목적이 있으며, 이를 위해 중국 가전 상품과 관련된 학술지, 학위논문, 연구 보고서 및 중국 통계국의 통계자료 등을 이용해 SWOT모형 중심으로 분석을 실시하였다. 분석 결과 중국 가전 상품 경쟁력을 강화를 위해서는 전문 인재 양성, 관리 강화 및 A/S서비스 개선, 과학 기술 개발, FTA 활용 등의 방안이 필요하다. 본 논문은 중국 가전 상품의 경쟁력 강화 방안에 관한 방안을 제시하여 향후 중국 가전 상품의 브랜드와 품목별로 실증적인 연구도 필요하다.
봉제제 ( Feng Jianjie ),채지흔 ( Cai Zhixin ),맹해양 ( Meng Haeyang ),배기형 ( Bae Kihyung ) 한국유통경영학회(구 한국유통정보학회) 2017 유통경영학회지 Vol.20 No.5
본 연구는 중국 유통산업의 경제적 파급효과를 분석하는데 목적이 있다. 이를 위해 중국 통계국의 2015년에 발표한 2012년 산업연관표를 이용하여 도·소매업을 유통산업으로 구분하고 분석하였다. 분석 결과 중국 유통산업의 경제적 파급효과는 다음과 같다. 우선, 중국 유통산업의 생산유발계수는 열 합계 1.809, 행 합계 4.143으로 제조업과 일부 서비스업을 제외하곤 낮은 생산유발효과를 보이고 있다. 둘째, 중국 유통산업은 감응도 계수는 1보다 큰 1.393, 영향력계수는 0.6084로 1보다 작아 중간수요적 원시산업이다. 셋째, 중국 유통산업의 부가가치유발계수는 1로 이는 유통산업 전체에서의 부가가치 창출의 기회가 거의 모든 것이 국내에서 이루어지고 있음을 의미하며, 소득유발계수는 0.324이다. 특히 생산세 유발계수는 0.274로 유통산업의 세부담이 큼을 알 수 있다. 넷째, 중국 유통산업의 최종수요액 7.2조 위안을 국가 경제에 투입할 경우 전 산업에서 유발되는 총생산유발액은 491.7조 위안으로 이중 유통산업 산업 자체는 총 19.4조 위안으로 3.9%에 달한다. 그리고 총부가가치유발액 196.9조 위안 중 유통산업은 13.4조 위안(6.8%), 총생산세 유발액 약24.2조 위안 중 유통산업은 4.4조 위안(18.1%), 총소득유발액 약72.7조 위안 중 유통산업은 4.0조 위안(5.5%)를 차지하는 것으로 각각 나타났다. This study aims to analyze the economic effects of the Chinese distribution industry. To this end, the wholesale and the retail industry were classified and analyzed as the distribution industry by using the 2012 input-output table released by the Bureau of Statistics of China in 2015. The results shows that the economic impact of the Chinese distribution industry is as follows. First, the production inducement coefficient of the distribution industry in China is 1.809(row) in total, 4.143(column), which shows a low production inducement effect except manufacturing and some service industries. Second, in the Chinese distribution industry, Index of the sensitivity dispersion is 1.393, which is greater than 1, and the index of the power of dispersion is 0.6084, Third, the value added inducement coefficient of the Chinese distribution industry is 1, which means that almost all opportunities for creating added value in the retail industry are performed in China, and the income inducement coefficient is 0.324. Especially, the tax inducement coefficient is 0.274, which shows that the tax burden of the distribution industry is large. Fourth, when the final demand amount of 7.2 trillion yuan in the Chinese distribution industry is put into the national economy, the total industrial production induced by the whole industry is 491.7 trillion yuan, which is 19.4 trillion yuan, or 3.9%. In the total value added inducement amount of 196.9 trillion yuan, distribution industry is 13.4 trillion yuan (6.8%), gross tax inducement amount is about 24.2 trillion yuan, distribution industry is 4.4 trillion yuan(18.1 percent) (5.5%), in the gross income inducement amount about 72.7 trillion yuan, distribution industry accounted for 4.0 trillion yuan (5.5%) respectively.