Thermal Design and Modeling of Tri-Band Beacon Payload for a Seismological Satellite

Document Type : selected article

Authors
Esmat Kishani Farahani 1
Azar Anvari 2
Foad Farhani 2
Shervin Amiri 2
1 Iranian Research Organization for science and technology
2 Iranian Research Organization for Science and Technology
10.22034/jssta.2025.495183.1222
Abstract
Extensive research has been conducted for predicting earthquakes using satellites and space-based methods in recent decades. In pursuit of this goal, the correlation between the ionosphere's total electron content (TEC) distribution and earthquake events has been studied and analyzed. Tri-band beacon transmitters (TBB) transmit coherent-phase signals to receivers. The primary objective of using TBB is to study electron density in the Earth's ionosphere through TEC data analysis. This approach enables the creation of two-dimensional maps or one-dimensional electron density profiles. This article focuses on the thermal analysis of the beacon transmitter payload in a typical seismological satellite under different space environmental conditions. The findings indicate that, in the satellite's thermal design, implemented using passive thermal control hardware, the transmitter payload maintains its operational temperature range under worst-case hot and cold orbital conditions. The results can be used in designing a thermal control system to monitor and control the TBB temperatures under different conditions in the satellite orbit.
Keywords
Earthquake prediction
electron density
seismological satellite
space-based seismology
thermal analysis
Tri-band beacon
Subjects
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Space Science, Technology and Applications
Volume 5, Issue 1 - Serial Number 9
September 2025
Pages 163-171

  • Receive Date 28 December 2024
  • Revise Date 05 February 2025
  • Accept Date 06 May 2025