2006
DOI: 10.1299/jsmeb.49.1070
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Three-Dimensional Structure of Turbulent Flow in Mixing T-junction

Abstract: Experimental results on the turbulent mixing of hot and cold airflows in a T-junction are reported, which simulates the HVAC unit used in an automobile air conditioning system. Experiments are conducted keeping Reynolds number and temperature of the main flow at 2.5 × 10 4 and 12• C, respectively, and the velocity of the branch flow (60 • C) is changed for three velocity ratios of 0.5, 1 and 2. The flow from the branch is separated at the edge of the T-junction and forms a large separation bubble. Longitudinal… Show more

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Cited by 20 publications
(2 citation statements)
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“…On the other hand, Yoon and Lee (2003) investigated experimentally the ventilation flow inside a 1/10-scale vehicle model. Hirota et al (2006) investigated turbulent air mixing in the T-junction of the HVAC system, while James et al (2004) developed a cylindrical HVAC case.…”
Section: Regular Papermentioning
confidence: 99%
“…On the other hand, Yoon and Lee (2003) investigated experimentally the ventilation flow inside a 1/10-scale vehicle model. Hirota et al (2006) investigated turbulent air mixing in the T-junction of the HVAC system, while James et al (2004) developed a cylindrical HVAC case.…”
Section: Regular Papermentioning
confidence: 99%
“…© 2014 The Japan Society of Mechanical Engineers [DOI: 10.1299/transjsme.2014fe00 ] 89 .さらに,分岐角部の曲面に関連する研究として,山口らは分岐後の壁面せん 断応力に及ぼす影響(山口他, 1994), 池田らは分岐損失とキャビテーションに及ぼす影響について調査している(池 田他,1987). しかしながら,分岐を伴う流れに関しては,これまで円管に対してなされた研究が多く,チャネル流れに関す る研究例は少ない.また,T 字の分岐・合流管において本管側の伝熱特性を調査した研究は存在するものの (深 澤,佐野,2006; Hirota, et. al., 2006; Contours of normal velocity V for Q 12 =0.4, and H 12 =0.5, 1.0 and 1.5.…”
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