Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Fiber Bragg Grating Sensor Networks enhances the in-situ real time monitoring capabilities of MLI Thermal Blankets for Space Applications

Version 1 : Received: 5 April 2023 / Approved: 6 April 2023 / Online: 6 April 2023 (12:40:41 CEST)

A peer-reviewed article of this Preprint also exists.

Aimasso, A.; Ferro, C.G.; Bertone, M.; Dalla Vedova, M.D.L.; Maggiore, P. Fiber Bragg Grating Sensor Networks Enhance the In Situ Real-Time Monitoring Capabilities of MLI Thermal Blankets for Space Applications. Micromachines 2023, 14, 926. Aimasso, A.; Ferro, C.G.; Bertone, M.; Dalla Vedova, M.D.L.; Maggiore, P. Fiber Bragg Grating Sensor Networks Enhance the In Situ Real-Time Monitoring Capabilities of MLI Thermal Blankets for Space Applications. Micromachines 2023, 14, 926.

Abstract

The utilization of Fiber Bragg Grating (FBG) sensors in innovative optical sensor networks has displayed remarkable potential in providing precise and dependable thermal measurements in hostile environments on Earth. Multi-Layer Insulation (MLI) blankets serve as critical components of spacecraft and are employed to regulate the temperature of sensitive components by reflecting or absorbing thermal radiation. To enable accurate and continuous monitoring of temperature along the length of the insulative barrier without compromising its flexibility and lightweight, FBG sensors can be embedded within the thermal blanket, thereby enabling distributed temperature sensing. This capability can aid in optimizing the thermal regulation of the spacecraft and ensuring the reliable and safe operation of vital components. Furthermore, FBG sensors offer several advantages over traditional temperature sensors, including high sensitivity, immunity to electromagnetic interference, and the ability to operate in harsh environments. These properties make FBG sensors an excellent option for thermal blankets in space applications, where precise temperature regulation is crucial for mission success. Nevertheless, the calibration of temperature sensors in vacuum conditions poses a significant challenge due to the lack of an appropriate calibration reference. Therefore, this paper aims to investigate innovative solutions for calibrating temperature sensors in vacuum conditions. The proposed solutions have the potential to enhance the accuracy and reliability of temperature measurements in space applications, which can enable engineers to develop more resilient and dependable spacecraft systems.

Keywords

Aerospace, Fiber Bragg Gratings, Thermal Measurements, Thermal Control, MLI, Onboard System, Optical Fibers, Sensors Network, Smart Systems.

Subject

Engineering, Aerospace Engineering

Comments (0)

We encourage comments and feedback from a broad range of readers. See criteria for comments and our Diversity statement.

Leave a public comment
Send a private comment to the author(s)
* All users must log in before leaving a comment
Views 0
Downloads 0
Comments 0
Metrics 0


×
Alerts
Notify me about updates to this article or when a peer-reviewed version is published.
We use cookies on our website to ensure you get the best experience.
Read more about our cookies here.