Electrization of the surface of low-orbiting small spacecraft “AIST”

Abstract


The article presents the results of a space experiment that analyzed the process of electrization of low-orbit satellites. The research of the process of electrization took place on the small spacecraft "AIST-L" (flight) and "AIST-T" (technological) using the "Meteor” scientific equipment. The equipment includes multi-sensors that measure the temperature, illumination and electrification. The experiment revealed significant correlation between the process of differential charging of the apparatus and the external factors of space environment. The influence of   both controlled and uncontrolled flight modes on the electrization of low-orbit satellites was estimated. The mode of micro acceleration compensation is controlled by three orthogonally arranged solenoids. The data obtained make it possible to assess the density of the flow of electrons falling on the surface of the sensor, and confirm the mathematical model of spacecraft electrization proposed in the article and based on the method of integral equations. The model takes into account the effect of shielding the redistribution of charges on the surface of the spacecraft by plasma.


About the authors

N. D. Syomkin

Samara State Aerospace University

Author for correspondence.
Email: semkin@ssau.ru

Russian Federation

Doctor of Science (Engineering)

Professor the Department of Design and Technology of Electronic Systems and Devices

V. V. Bragin

Samara State Aerospace University

Email: bragin_vv@inbox.ru

Russian Federation

Engineer, Department of Design and Technology of Electronic Systems and Devices

A. V. Piyakov

Samara State Aerospace University

Email: piyakov@ssau.ru

Russian Federation

Candidate of Science (Engineering)

A. M. Telegin

Samara State Aerospace University

Email: talex85@mail.ru

Russian Federation

Candidate of Science (Physics and Mathematics)

Associate Professor

D. M. Ryazanov

Samara State Aerospace University

Email: drfleard@gmail.com

Russian Federation

Engineer, Department of Design and Technology of Electronic Systems and Devices

M. G. Matviets

Samara State Aerospace University

Email: mihailmatviets@gmail.com

Russian Federation

Graduate student

References

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  2. Purvis K., Barlet R., De-Forest Sh. Active control of the spacecraft charge by the static electricity on the satellites ATS-5, ATS-6. Issue of the conference devoted to the problems of charging the space crafts by the static electricity. Leningrad, 1980. P. 38-62. (In Russ.)
  3. Rozen A. Anomalies of the functioning caused by the environment. USA: TRW SYSTEM GROUP, 1975.
  4. Grafodatsky O.S., Islyaev Sh.N. Vzaimodeystvie sputnikov svyazi s okrujayuschey sredoy [Interaction of communication satellites with the environment]. Tomsk: MGP «RASCO» Publ., 1993. 208 p.
  5. Bragin V.V. The calculation of the self capacity of spacecraft taking into account the capacity of plasma. Issue of the 6th international scientific and technological conference «Astronautics. Radio. Geoinfor-matics». Ryazan: Ryazan State Radioengi-neering University Publ., 2013. P. 81-82. (In Russ.)

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