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- 저자 : 강경균 ( K. G. Kang ) (검색결과 1 건)
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김재호 ( K. J. Kim ),임정현 ( J. H. Rhim ),노수영 ( S. Y. No ),문병수 ( B. S. Moon ),김주영 ( J. Y. Kim ),강경균 ( K. G. Kang ) 한국분무공학회 1999 한국액체미립화학회지 Vol.4 No.4
Spray angle, a parameter which is most commonly used to evaluate. spray distribution, is important because it affects the axial and radial distribution of the fuel. Spray angles were measured and compared for the pintle-type gasoline fuel injector with n-heptane as a test fuel with the three different measuring techniques, i.e. digital image processing, shadowgraphy and spray patternator, respectively. Fuel was injected with the injection pressures of 0.2-0.35MPa into the room temperature and atmospheric pressure environment. In digital image processing method, the transmittance level greatly influences the spray angle with the axial distance from the injector. From the experimental results by the shadowgraphy technique, it is obvious that the spray angle vary during the injection period. The results of spray angle from the spray patternator show that there exist the different spray angles in the different areas. The spray angles increase with the increase in the injection pressure for the three measurement techniques considered in this study. The spray angle is widely different, especially in the near region from the injector, according to the measurement techniques used in this experimental work.
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