| 收缩湍流场中标量扩散的实验研究 |
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| 引用本文： | 麻柏坤. 收缩湍流场中标量扩散的实验研究[J]. 力学学报, 1993, 25(3): 343-347. DOI: 10.6052/0459-1879-1993-3-1995-650 |
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| 作者姓名： | 麻柏坤 |
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| 作者单位： | 中国科技大学研究生院 |
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| 摘 要： | 在近似均匀各向同性湍流场中加一个收缩段,对所得到的非各向同性湍流中温度混合层和热尾流作了初步实验研究。实验测量结果表明,它们在收缩段被“压缩”后又继续扩展,在实验的范围内(即发展初期)两者的T,(?)和(?)剖面具有相似性。
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| 关 键 词： | 湍流 湍流扩散 混合层 尾流 |
EXPERIMENTAL STUDY OF PASSIVE SCALAR DIFFUSION IN GRID TURBULENCE WITH CONTRACTION |
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| Ma Baikun. EXPERIMENTAL STUDY OF PASSIVE SCALAR DIFFUSION IN GRID TURBULENCE WITH CONTRACTION[J]. chinese journal of theoretical and applied mechanics, 1993, 25(3): 343-347. DOI: 10.6052/0459-1879-1993-3-1995-650 |
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| Authors: | Ma Baikun |
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| Abstract: | We use a contraction in the grid turbulence to get non-isotropic turbulence. We have studied the thermal mixing layer and thermal wake in the grid turbulence with a contraction. The experiment results show that the mixing layer and wake were compressed in the contraction section, then they were expanding continuously. Their profiles of the T, and have similarity in the experimental region. |
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| Keywords: | turbulence turbulence diffusion mixing layer wake |
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