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 Strain Monitoring of Nuclear Power Facilities
Fiber grating sensing technology has been widely used in various fields due to its high accuracy, reliability, and immunity to electromagnetic interference. One of the critical applications of fiber grating sensing technology in the field of nuclear power is strain monitoring of nuclear power facilities. 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 support the strain monitoring of nuclear power facilities in the field of nuclear power.
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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Demand Analysis for Strain Monitoring of Nuclear Power Facilities：
Nuclear power facilities are subject to high levels of stress and strain due to thermal expansion, structural deformation, and external forces. Therefore, it is essential to monitor the strain in critical components of the nuclear power plant, such as pressure vessels, pipes, and support structures. Strain monitoring can detect any abnormalities or damages that may compromise the safety and efficiency of the nuclear power plant.
Why Emergency Monitoring of Nuclear Power Facilities is Required:
Nuclear power plants must operate safely and reliably to avoid accidents and ensure the continuous supply of electricity. However, unforeseen events such as earthquakes, explosions, or extreme weather conditions can cause stress and strain on the critical components of the nuclear power plant, leading to failure or damage. Emergency monitoring of nuclear power facilities is required to detect any anomalies and initiate appropriate actions to prevent accidents and minimize the impact of emergencies.
Difficulties in Emergency Monitoring of Nuclear Power Facilities：
Emergency monitoring of nuclear power facilities is challenging due to the harsh environment of a nuclear reactor, which includes high radiation levels, high temperatures, and high pressure. Traditional sensing methods such as electrical strain gauges and thermocouples are not suitable for emergency monitoring due to their susceptibility to electromagnetic interference, limited durability, and difficulty in installation and maintenance.
What Problems can be Solved by FBG Sensing Technology:
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Recommended fiber grating strain sensors:
The product is a fiber Bragg grating strain sensor (FBG strain gauge) encapsulated in seamless steel tube, used for strain measurement. In most cases, it is a single-point single-ended structure, or it can be produced as a multi-point single-ended structure. In a few cases, it can also be a double-ended structure. The deployment method of the product depends on the supporting fixtures, which can be directly inserted into the test object, or installed by surface welding with corresponding fixtures, bolted with drilled holes for fixation, adhesive surface mounting, tied with straps for fixation, or fixed with clamps, among various installation methods. This product is a basic structural product, which can be calibrated as a FBG displacement sensor, or used as a FBG stress sensor.
Product Summary:
The OFSCN® Capillary Seamless Steel Tube Fiber Bragg Grating Strain Sensor (FBG strain gauge) is composed of fiber optic connectors (FC, SC, LC, ST, etc.), stainless steel seamless tubes, and single-point FBG encapsulation.
It can also be customized as a high-temperature resistant fiber Bragg grating strain sensor.
This product features a small size, lightweight, high tensile and compressive strength, waterproof, moisture-proof, and fully sealed characteristics. By utilizing the strain characteristics of the FBG, this sensor can be inserted, clamped, surface-mounted, glued, or embedded into the measured structure to perform strain detection and monitoring.
6000με Fiber Bragg Grating Strain Sensor - FBG Strain Gauge - polymer material packaging - metal protection strain sensor - range 6000με/8000μεThis product is a high-range fiber bragg grating strain sensor (FBG strain gauge) used for strain measurement. It can be used in a single-ended structure, where it is inserted into the object to be measured for strain measurement. It can also be used in a double-ended structure, where it is fixed with a fixture or bonded directly to the surface for strain measurement, enabling multi-point strain measurement when connected in series. The structure of this product is the same as that of fiber bragg grating stress sensors.
Product Overview:
The OFSCN® high-range fiber bragg grating strain sensor (FBG strain gauge) consists of fiber connectors (FC, SC, LC, ST, etc.), high elastic materials, and single-point FBG encapsulation. Depending on the materials used, it can work at room temperature or a maximum high temperature of 120 degrees Celsius (customizable upon request).
This product is characterized by its small size, light weight, high tensile and compressive strength, waterproof and moisture-proof properties, and full sealing. By utilizing the strain characteristics of FBG, this sensor can be inserted, welded, bonded, or adhered to the internal or surface of the test structure for strain detection and monitoring.
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 Stain of Nuclear Power Facilities：
DCYS is a professional manufacturer of fiber grating strain sensors, fiber grating demodulators, and system software.DCYS's fiber grating strain sensors are highly accurate, reliable, and suitable for use in harsh environments, including nuclear power plants. DCYS can customize and develop related application software to meet the specific requirements of the nuclear power plant. DCYS can help solve some problems in the emergency monitoring of nuclear power facilities by providing high-quality and customized fiber grating sensing solutions.
Other Points Need to Be Clarified:
In conclusion, fiber grating sensing technology has a crucial role in the strain monitoring of nuclear power facilities. The use of fiber grating sensors in nuclear power facilities provides accurate and reliable real-time data that helps to ensure the safety and integrity of the facility. With the advanced capabilities of fiber grating sensors, nuclear power facility operators can identify potential strain-related problems and address them promptly. Beijing Dacheng Yongsheng Technology Co., Ltd. is a professional manufacturer of fiber grating strain sensors and related equipment, and DCYS's products can help solve many of the challenges associated with strain monitoring in nuclear power facilities. With the continuing advancements in fiber grating sensing technology, it is clear that this technology will continue to play an increasingly important role in ensuring the safety and reliability of nuclear power facilities in the future.