Acta Optica Sinica, Volume. 38, Issue 5, 0506001(2018)
Simulation of Shupe Effect in Fiber Optic Gyroscope Fiber Coil with Inclinometer While Drilling
Figures & Tables(10)
Fig. 1. (a) Schematic diagram of IWD; (b) schematic diagram of elliptic cylindrical FOG
Fig. 6. Calculated and experimental results of cylindrical fiber coil. (a) Thermal error rate; (b) thermal error angle
Fig. 7. Calculated and experimental results of elliptic cylindrical fiber coil. (a) Thermal error rate; (b) thermal error angle
Fig. 8. Comparison of rate error between elliptic cylindrical and cylindrical fiber coils
Table 1. Physical parameters of fiber coil
View tableTable 1. Physical parameters of fiber coil
Parameter Vaule Refractive index 1.46 Density /(kg·m-3) 1200 Thermal conductivity /(W·m-1·K-1) 0.13 Specific heat /(J·kg-1·K-1) 1302
Table 2. Comparison of thermal error rate between elliptic cylindrical and cylindrical fiber coils
View tableTable 2. Comparison of thermal error rate between elliptic cylindrical and cylindrical fiber coils
Number Fiber coil Layers of fiber coil Turns of each layer Total effective area /m2 Thermal error rate /[(°)·h-1] Optimization ratio /% 1 Cylindrical 24 160 13.1244 3.0276 35.7 2 Elliptic cylindrical 24 96 17.4121 1.9478 3 Cylindrical 28 135 13.3178 2.7954 38.8 4 Elliptic cylindrical 28 82 17.7351 1.7096 5 Cylindrical 32 116 13.4771 2.3506 38.6 6 Elliptic cylindrical 32 71 17.9338 1.4438
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Jianhui Zhao, Fan Xu, Fan Li, He Xu. Simulation of Shupe Effect in Fiber Optic Gyroscope Fiber Coil with Inclinometer While Drilling[J]. Acta Optica Sinica, 2018, 38(5): 0506001
Paper Information
Category: Fiber Optics and Optical Communications
Received: Nov. 6, 2017
Accepted: --
Published Online: Jul. 10, 2018
The Author Email: Xu Fan ( x123xufan@163.com)
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