Technology use has had a major impact on the way people conduct their lives and has changed significantly involvement in leisure activities: the types of activities, the locations where these activities are pursued, their durations, and the associated feelings. This paper offers a modeling...

The effects of varying jet diameter on cooling performance of single row jet impingement are numerically studied in dealing with the negative effect of the gradually accumulated cross flow in a semicircular target channel with single exit. Investigations are conducted under five jet diameter...

Korean Abstract: 본 연구는 한국 대기업의 대부분이 시행하는 다양한 형태의 다각화 전략이 실질적으로 기업의 가치를 증대시키는지를 검증하고자한다. 이를 위하여 균형재무이론에 입각하여 기업의 다각화 전략과 재무적...

Korean Abstract: 포트폴리오 성과측정시 일반적으로 사용하는 CAPM을 기반으로 한 측정방법은 대용포트폴리오와 측정대상 포트폴리오의 측정오류로 인하여 성과의 과대 혹은 과소평가의 현상을 유발 시키게된다. 이를 시정하기...

The injection and spray characteristics of diesel and gasoline blends are investigated on a common rail injection system. The injection rate, fuel spray evolution process (tip penetration distance, spray cone angle, projected spray area and relative brightness intensity contour) and microscopic...