Characteristics of a liquefied butane spray |
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Authors: | J Y Koo H C Chung J S Shakal S Goto |
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Affiliation: | (1) Hankuk Aviation University, 200-1, Hwajeondong, 412-791 Koyang-shi, Kyungki-do, Korea;(2) AIST MITI Mechanical Engineering Laboratory, Namiki, 305 Tsukuba, Ibaraki, Japan |
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Abstract: | The characteristics of a butane spray from pintle-type injector were studied by droplet velocity and diameter measurements
and high speed photography. The accumulator type injector operated off a common rail fuel supply system operated at 13 MPa,
and was controlled by a high-speed solenoid valve. Injection was carried out in a chamber at ambient temperature and at the
pressure above (0.37 MPa) and below (0.15 MPa) the fuel vapor pressure. Two component phase/Doppler particle analyzer and
traverser were used to obtain the droplet diameter and the velocity at numerous locations in the spray. The entire injection
event was analyzed as a time-average and also subdivided into three temporal intervals. A, B, and C. The high-speed photographs
showed a narrower cone angle during the quasi-steady spray period at the 0.37 MPa chamber pressure compared to the 0.15 MPa
case. |
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Keywords: | Liquefied Butane Spray Sauter Mean Diameter (SMD) High Speed Photographs |
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