Experiments on heat transfer in trapezoidal channel with short pin-fin arrays

Li Zhang; Hui Ren Zhu; Song Ling Liu; Xue Wen Wang

Experiments on heat transfer in trapezoidal channel with short pin-fin arrays

Li Zhang
, Hui Ren Zhu
, Song Ling Liu
, Xue Wen Wang

动力与能源学院

Northwestern Polytechnical University Xian

科研成果: 期刊稿件 › 文章 › 同行评审

6 引用（Scopus）

摘要

An experiments study has been performed to investigate the heat transfer characteristics in trapezoidal channel with small spacing short pin-fin arrays. The effects of ratio of lateral-to-total flow rate (0.25 ≤ c ≤ 1) and flow Reynolds number (3 × 10⁴ ≤ Re_c ≤ 9 × 10⁴) have been investigated. It is found that endwall averaged Nusselt number decreases with increasing ejection ratio c firstly, and then increases with increasing c as c > 0.75. The results also show that Nusselt number distribution along chord-wise and span-wise directions is strongly dependent on the ejection ratio over the range of Reynolds number studied.

源语言	英语
页（从-至）	523-526+556
期刊	Tuijin Jishu/Journal of Propulsion Technology
卷	29
期	5
出版状态	已出版 - 10月 2008

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title = "Experiments on heat transfer in trapezoidal channel with short pin-fin arrays",

abstract = "An experiments study has been performed to investigate the heat transfer characteristics in trapezoidal channel with small spacing short pin-fin arrays. The effects of ratio of lateral-to-total flow rate (0.25 ≤ c ≤ 1) and flow Reynolds number (3 × 104 ≤ Rec ≤ 9 × 104) have been investigated. It is found that endwall averaged Nusselt number decreases with increasing ejection ratio c firstly, and then increases with increasing c as c > 0.75. The results also show that Nusselt number distribution along chord-wise and span-wise directions is strongly dependent on the ejection ratio over the range of Reynolds number studied.",

keywords = "Experimentation, Heat transfer, Pin-fin, Turbine blade",

author = "Li Zhang and Zhu, \{Hui Ren\} and Liu, \{Song Ling\} and Wang, \{Xue Wen\}",

year = "2008",

month = oct,

language = "英语",

volume = "29",

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journal = "Tuijin Jishu/Journal of Propulsion Technology",

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TY - JOUR

T1 - Experiments on heat transfer in trapezoidal channel with short pin-fin arrays

AU - Zhang, Li

AU - Zhu, Hui Ren

AU - Liu, Song Ling

AU - Wang, Xue Wen

PY - 2008/10

Y1 - 2008/10

N2 - An experiments study has been performed to investigate the heat transfer characteristics in trapezoidal channel with small spacing short pin-fin arrays. The effects of ratio of lateral-to-total flow rate (0.25 ≤ c ≤ 1) and flow Reynolds number (3 × 104 ≤ Rec ≤ 9 × 104) have been investigated. It is found that endwall averaged Nusselt number decreases with increasing ejection ratio c firstly, and then increases with increasing c as c > 0.75. The results also show that Nusselt number distribution along chord-wise and span-wise directions is strongly dependent on the ejection ratio over the range of Reynolds number studied.

AB - An experiments study has been performed to investigate the heat transfer characteristics in trapezoidal channel with small spacing short pin-fin arrays. The effects of ratio of lateral-to-total flow rate (0.25 ≤ c ≤ 1) and flow Reynolds number (3 × 104 ≤ Rec ≤ 9 × 104) have been investigated. It is found that endwall averaged Nusselt number decreases with increasing ejection ratio c firstly, and then increases with increasing c as c > 0.75. The results also show that Nusselt number distribution along chord-wise and span-wise directions is strongly dependent on the ejection ratio over the range of Reynolds number studied.

KW - Experimentation

KW - Heat transfer

KW - Pin-fin

KW - Turbine blade

UR - https://www.scopus.com/pages/publications/55949083081

M3 - 文章

AN - SCOPUS:55949083081

SN - 1001-4055

VL - 29

SP - 523-526+556

JO - Tuijin Jishu/Journal of Propulsion Technology

JF - Tuijin Jishu/Journal of Propulsion Technology

IS - 5

ER -

Experiments on heat transfer in trapezoidal channel with short pin-fin arrays

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