Model and Analysis of Atmospheric Turbulence Index Structure Parameter in the Single-shaft Tunnel of Rail Transit Environment

ZHAO Hengkai; FU Xintao

doi:10.11999/JEIT160632

Volume 39 Issue 4

Apr. 2017

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Article Navigation > Journal of Electronics & Information Technology > 2017 > 39(4): 887-892

ZHAO Hengkai, FU Xintao. Model and Analysis of Atmospheric Turbulence Index Structure Parameter in the Single-shaft Tunnel of Rail Transit Environment[J]. Journal of Electronics & Information Technology, 2017, 39(4): 887-892. doi: 10.11999/JEIT160632

Citation:

ZHAO Hengkai, FU Xintao. Model and Analysis of Atmospheric Turbulence Index Structure Parameter in the Single-shaft Tunnel of Rail Transit Environment[J]. Journal of Electronics & Information Technology, 2017, 39(4): 887-892. doi: 10.11999/JEIT160632

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Model and Analysis of Atmospheric Turbulence Index Structure Parameter in the Single-shaft Tunnel of Rail Transit Environment

doi: 10.11999/JEIT160632

ZHAO Hengkai¹,
FU Xintao²

Funds:

The National Natural Science Foundation of China (61271061, 61132003)

Received Date: 2016-06-15
Rev Recd Date: 2016-12-15
Publish Date: 2017-04-19

Abstract

Abstract

The change of the atmospheric turbulence affects the transmission of microwave. In order to study the impact of turbulence on the microwave transmission in rail transit tunnel environment, this paper combines the motion characteristics of the piston wind with the calculation method of atmospheric refractive index structure parameter. With investigation into the influences of tunnel environmental temperature, length of tunnel, blockage ratio, and piston wind speed on the atmospheric refractive index structure parameter, an atmospheric refractive index structure parameter model is established in the single-shaft rail transit tunnel environment. In this paper, the distribution of the atmospheric refractive index structure constant in rail transit tunnel environment is analyzed, and the change of atmospheric turbulence refractive index structure parameter in case of the train through the single-shaft tunnel with that of no single-shaft tunnel is compared based on the actual tunnel temperature scene. The model provides a theoretical reference for the study of radio refractive index structure constant in rail transit tunnel environment.
- Atmospheric turbulence,
- Microwave,
- Refractive index structure constant,
- Single-shaft tunnel,
- Piston wind

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References(27)

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