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스월형 가솔린 직분식 인젝터의 분무특성에 대한 수치적 연구

Title
스월형 가솔린 직분식 인젝터의 분무특성에 대한 수치적 연구
Other Titles
A Numberical Study on the Spray Characteristics of the Swirl-Type Gasoline Direct Injector
Author
이기형
Issue Date
2000-04
Publisher
한국자동차공학회
Citation
한국자동차공학회 2000년 춘계학술대회논문집, v. 1, page. 78-95
Abstract
In this study, the characteristics of high-pressure swirl injector have been studied using numerical simulation and experiment to investigate the effect of the length of orifice and swirl port on the spray characteristics. Influences of swirl port angle and initial conditions have also been examined in terms of penetration depth and Sauter's mean diameter. Computed results of the spray characteristics are compared with experimental data. The results show that the tangential velocity at the nozzle exit decreases, but the axial velocity increases as swirl port angle is increased. Hence, the static flow rate increases, but the initial spray angle decreases with increasing the swirl port angle. It is also shown that the values of the initial SMD and initial spray angle used as input data for spray simulation influences the penetration depth and SMD. The spray pattern from the present numerical simulation agrees well with experimental result.
URI
https://www.dbpia.co.kr/journal/articleDetail?nodeId=NODE00526570https://repository.hanyang.ac.kr/handle/20.500.11754/161744
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > MECHANICAL ENGINEERING(기계공학과) > Articles
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