Application of Fiber Bragg Grating Sensing Technology - Application of FBG Sensor - Application of FBG-Application of FBG Demodulator - Application of FBG Sensing in Industry
FBG Sensing Technology for the Temperature Monitoring of Asphalt Pavement
Asphalt pavement is a crucial part of the transportation infrastructure, and its condition is essential for ensuring the safety and efficiency of road traffic. With climate change, asphalt pavement in the transportation industry often encounters extreme high and low temperatures, which can cause serious damage. Therefore, it is critical to monitor the temperature of asphalt pavement to prevent damage and maintain its functionality. In this article, we will discuss the problems that fiber grating sensing technology can solve, and how Beijing Dacheng Yongsheng Technology Co., Ltd.(short for DCYS ) can help to monitor the temperature of asphalt pavement.
Fiber Bragg Grating Sensing Principle：
Fiber Bragg gratings (FBGs) are periodic structures that are inscribed in the core of an optical fiber. These structures reflect a specific wavelength of light that is determined by the periodicity of the grating. When the grating is subjected to mechanical or thermal strain, the reflected wavelength changes in a predictable manner. By monitoring the reflected wavelength, changes in strain, temperature, and other parameters can be detected. FBG sensors can be used to monitor a wide range of parameters, including strain, stress, temperature, and vibration.
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Why Temperature Monitoring of Asphalt Pavement is Crucial:
With climate change, asphalt pavement in the transportation industry often encounters extreme high and low temperature, which can seriously damage asphalt pavement:
Asphalt pavement is exposed to various environmental factors, including temperature changes, which can cause damage to the pavement. When the temperature changes rapidly or fluctuates greatly, it can cause cracks, potholes, and other types of damage to the asphalt pavement. Additionally, temperature changes can also affect the performance of the asphalt pavement, including its stiffness, resilience, and durability.
Difficulties in Monitoring Asphalt Pavement Temperature in the Transportation Industry：
Monitoring the temperature of asphalt pavement in the transportation industry is crucial for maintaining the quality and durability of roads. However, traditional temperature monitoring methods have some limitations. For instance, thermocouples and infrared cameras can only measure surface temperature and may not accurately reflect the temperature of deeper layers of the pavement. Additionally, these methods require physical contact with the pavement and can be time-consuming and labor-intensive.
Moreover, temperature variations in asphalt pavement can be very rapid, and the temperature of the pavement can change significantly due to environmental factors such as sunlight, wind, and cloud cover. This makes it challenging to obtain accurate and continuous temperature measurements.
What Problems can be Solved by FBG Sensing Technology:
Fiber grating sensing technology provides a solution to the difficulties faced in monitoring asphalt pavement temperature. Fiber Bragg grating (FBG) sensors can measure temperature accurately, continuously, and remotely. FBG sensors can be embedded within the pavement layers and can provide temperature measurements at various depths.
FBG sensors are passive devices that can be interrogated using optical signals. The FBG sensing principle is based on the modulation of the reflected light wavelength that occurs when the FBG is subjected to strain or temperature changes. The wavelength shift is directly proportional to the temperature change, allowing temperature measurements with high accuracy and resolution.
Recommended fiber grating temperature sensors:
Beijing Dacheng Yongsheng Technology Co., Ltd.:
Beijing Dacheng Yongsheng Technology Co., Ltd.(short for DCYS) is a professional manufacturer of fiber grating sensors, fiber grating demodulators and system software. Specializing in the production of various fiber grating sensors, including temperature, strain, stress, displacement, vibration, shape sensors, etc. DCYS also produces fiber grating demodulators, and can customize and develop related application software.
Recommended fiber grating demodulator:
This product is produced by DCYS, and it is a high-speed high-frequency fiber Bragg grating demodulator(Interrogator). The fiber grating demodulator is compatible with various specifications and models of OFSCN® fiber bragg grating sensors (temperature, strain, stress FBG sensors, etc.). It features adjustable port density (4, 8, 12, 16 channels) and high-speed high-refresh rate capabilities.
DCYS Helps to Monitor the Temperature of Asphalt Pavement:
DCYS's fiber grating temperature sensors can be embedded within the pavement layers and can provide accurate and continuous temperature measurements. DCYS's sensors can withstand harsh environmental conditions and can operate reliably for extended periods.
With the help of Beijing Dacheng Yongsheng Technology Co., Ltd.(short for DCYS), the transportation industry can solve some problems in temperature monitoring of asphalt pavement. The use of fiber grating sensing technology can help in maintaining the quality and durability of roads and ensure safe and smooth transportation.
Other Points Need to Be Clarified:
The temperature monitoring of asphalt pavement is crucial for the transportation industry. Traditional temperature monitoring methods have some limitations, and fiber grating sensing technology provides a solution to these difficulties. Fiber grating temperature sensors can measure temperature accurately, continuously, and remotely, and can be embedded within the pavement layers. Beijing Dacheng Yongsheng Technology Co., Ltd. specializes in producing fiber grating temperature sensors and can help the transportation industry in temperature monitoring of asphalt pavement.