Thermal Control Model Could Extend Satellite Lifespans
Russian scientists have proposed a new heat-transfer model for so-called “space blankets” that helps manage onboard temperatures more precisely. The approach could extend satellite lifespans and reduce the mass of thermal protection systems.
Researchers from Moscow Aviation Institute and Central Aerohydrodynamic Institute named after Professor N. E. Zhukovsky developed a computational model for screen-vacuum thermal insulation used in satellites and spacesuits. Unlike conventional methods, the model accounts for the finite speed of heat propagation – a critical factor during rapid temperature shifts, such as when a spacecraft exits Earth’s shadow. This makes it possible to predict overheating zones in advance and direct heat toward radiators.
According to the developers, the technology could extend the active service life of satellites by about one-third and reduce insulation mass by 15–20%. In the future, the team plans to develop a software module based on the model for use in engineering design systems.
