Characteristics of the pulsating flow and heat transfer in an elbow tailpipe of a self-excited Helmholtz pulse combustor
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- 作者：Yanying Xua ; xyylwzj@163.com" class="auth_mail" title="E-mail the corresponding author ; Ming Zhaib ; zhaiming@hit.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Li Guob ; Peng Dongb ; Jian Chena ; Zhi Wanga
- 关键词：Self-excited Helmholtz pulse combustor ; Pulsating flow ; Elbow tailpipe ; Numerical simulation ; Heat transfer
- 刊名：Applied Thermal Engineering
- 出版年：2016
- 出版时间：5 September 2016
- 年：2016
- 卷：108
- 期：Complete
- 页码：567-580
- 全文大小：1964 K
文摘
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A valveless Helmholtz pulse combustor with an elbow tailpipe was designed.
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The pulsating flow in the elbow tailpipe was numerically simulated by FLUENT.
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The mean velocity decrease with the velocity amplitude along the tailpipe.
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The internal and external elbow pressure decrease along the tailpipe.
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Periodical vortex shapes and positions contribute to heat transfer enhancement.